Script started on 2024-10-22 23:21:50+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
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;          (set_option_value  html false)
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;          (set_option_value  python true)
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;        (is_cmd_option  execute python --python=enable enable)
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;        (is_cmd_option  execute timeout --timeout=40 40)
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;         (is_cmd_option  execute output --output=./reports/tests_output/baseline-compat/ ./reports/tests_output/baseline-compat/)
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;         (set_option_value  output ./reports/tests_output/baseline-compat/)
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;         (is_cmd_option  execute html --html true)
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;         (is_cmd_option  execute test --test true)
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; (load_metta_file  &self tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
P;HTML|
;                       (track_load_into_file  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
; (%COMMENT  ";;         5. Type inference: (: TERM $type)" 32 0) ; line: 157 
; Done translating 29 forms: asserted_metta_pred(nthesize_long_1729639315_9690866,'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta').


(failed  once fail)




(failed  once fail)


^  Call: (171) [user] call(user:once, user:fail)
^  Call: (172) [user] once(user:fail)
   Call: (173) [system] fail
^  Fail: (171) [system] call(user:once, user:fail)
^  Call: (171) [bugger] bugger:mquietly_if(true, rtrace:pop_tracer)
   Call: (173) [system] var(rtrace:pop_tracer)
   Fail: (173) [system] var(rtrace:pop_tracer)
^  Call: (175) [system] setup_call_cleanup('$notrace'(_12598, _12600), once(rtrace:retract(t_l:tracer_reset(_12588))), '$restore_trace'(_12598, _12600))
^  Call: (176) [system] sig_atomic(system:'$notrace'(_12598, _12600))
^  Exit: (175) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(rtrace:retract(t_l:tracer_reset(tAt_normal))), system:'$restore_trace'(3, -1))
^  Call: (175) [rtrace] tAt(false, 271, 271, false)


(failed  once (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))




(failed  once (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))


^  Call: (158) [user] call(user:once, user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (159) [user] once(user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (160) [user] convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360)
^  Call: (161) [user] ignore(symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360))
^  Call: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Call: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Exit: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (161) [system] ignore(user:symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog'))
^  Call: (161) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _77628, [encoding(utf8)]), setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _77656, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _77628, _77656)), close(_77656)), close(_77628))
^  Call: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _77628, [encoding(utf8)]))
   Call: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _77628, [encoding(utf8)])
   Exit: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x560c892e10d0), [encoding(utf8)])
^  Exit: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x560c892e10d0), [encoding(utf8)]))
^  Call: (162) [user] setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _77656, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x560c892e10d0), _77656)), close(_77656))
^  Call: (163) [system] sig_atomic(user:open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _77656, [encoding(utf8)]))
   Call: (165) [system] open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _77656, [encoding(utf8)])
   Exit: (165) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x560c893a0f80), [encoding(utf8)])
^  Exit: (163) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x560c893a0f80), [encoding(utf8)]))
^  Call: (163) [user] must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x560c892e10d0), (0x560c893a0f80)))
^  Call: (164) [user] once(user:translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x560c892e10d0), (0x560c893a0f80)))
^  Call: (165) [user] translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x560c892e10d0), (0x560c893a0f80))
^  Call: (166) [user] may_use_datalog
^  Exit: (166) [user] may_use_datalog
^  Call: (166) [user] must_det_ll(notrace((write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(_138666), stamp_date_time(_138666, _138678, 'UTC'), format_time(string(_138698), '%FT%T%z', _138678), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), _138698), writeln((0x560c893a0f80), ' */'))))
^  Call: (167) [user] once(user:notrace((write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(_138666), stamp_date_time(_138666, _138678, 'UTC'), format_time(string(_138698), '%FT%T%z', _138678), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), _138698), writeln((0x560c893a0f80), ' */'))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_148418, _148420), once(user:(write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(_138666), stamp_date_time(_138666, _138678, 'UTC'), format_time(string(_138698), '%FT%T%z', _138678), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), _138698), writeln((0x560c893a0f80), ' */'))), '$restore_trace'(_148418, _148420))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_148418, _148420))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(1729639320.1364253), stamp_date_time(1729639320.1364253, date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -), 'UTC'), format_time(string("2024-10-22T23:22:00+0000"), '%FT%T%z', date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -)), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), "2024-10-22T23:22:00+0000"), writeln((0x560c893a0f80), ' */'))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(1729639320.1364253), stamp_date_time(1729639320.1364253, date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -), 'UTC'), format_time(string("2024-10-22T23:22:00+0000"), '%FT%T%z', date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -)), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), "2024-10-22T23:22:00+0000"), writeln((0x560c893a0f80), ' */'))))
^  Exit: (166) [user] must_det_ll(user:notrace((write((0x560c893a0f80), '/* '), write((0x560c893a0f80), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x560c893a0f80), ' */'), get_time(1729639320.1364253), stamp_date_time(1729639320.1364253, date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -), 'UTC'), format_time(string("2024-10-22T23:22:00+0000"), '%FT%T%z', date(2024, 10, 22, 23, 22, 0.136425256, 0, 'UTC', -)), write((0x560c893a0f80), '/* '), write((0x560c893a0f80), "2024-10-22T23:22:00+0000"), writeln((0x560c893a0f80), ' */'))))
^  Call: (166) [user] must_det_ll(filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _168798))
^  Call: (167) [user] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _168798))
^  Call: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _168798)
   Call: (169) [system] get_time(_183318)
   Exit: (169) [system] get_time(1729639320.140374)
^  Call: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1729639320.140374], '_', _185192)
   Call: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1729639320.140374], '_', _185192)
   Exit: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1729639320.140374], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
^  Exit: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1729639320.140374], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
   Call: (169) [system] _204562=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
   Exit: (169) [system] ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
^  Call: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], _206504)
^  Call: (170) [user] apply:foldl(replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', _206504)
   Call: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', _206504)
^  Call: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', _209322)
^  Call: (173) [user] symbolic_list_concat(_210256, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
   Call: (174) [system] atomic_list_concat(_210256, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374')
^  Call: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '_', _209322)
   Call: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '_', _209322)
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1729639320.140374'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Call: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', _206504)
^  Call: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', _219594)
^  Call: (174) [user] symbolic_list_concat(_220528, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Call: (175) [system] atomic_list_concat(_220528, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Call: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_', _219594)
   Call: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_', _219594)
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Call: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', _206504)
^  Call: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', _229860)
^  Call: (175) [user] symbolic_list_concat(_230794, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Call: (176) [system] atomic_list_concat(_230794, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374')
^  Call: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], '_', _229860)
   Call: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], '_', _229860)
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1729639320.140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Call: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', _206504)
^  Call: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', _240186)
^  Call: (176) [user] symbolic_list_concat(_241120, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Call: (177) [system] atomic_list_concat(_241120, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Call: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], '_', _240186)
   Call: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], '_', _240186)
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Call: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', _206504)
^  Call: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', _250452)
^  Call: (177) [user] symbolic_list_concat(_251386, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Call: (178) [system] atomic_list_concat(_251386, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374')
^  Call: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '_', _250452)
   Call: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '_', _250452)
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320', '140374'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
^  Exit: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
   Call: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374', _206504)
^  Call: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374', _260724)
^  Call: (178) [user] symbolic_list_concat(_261658, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
   Call: (179) [system] atomic_list_concat(_261658, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374')
^  Call: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', _260724)
   Call: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', _260724)
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Call: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, _206504)
^  Call: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, _271008)
^  Call: (179) [user] symbolic_list_concat(_271942, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Call: (180) [system] atomic_list_concat(_271942, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Call: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', _271008)
   Call: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', _271008)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Call: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, _206504)
   Exit: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
   Exit: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (170) [apply] apply:foldl(user:replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Exit: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1729639320.140374', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374)
^  Call: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, _168798)
   Call: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, _291574)
   Exit: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, 139)
   Call: (170) [system] 139=<24
   Call: (170) [system] _294366 is 139+ -32
   Exit: (170) [system] 107 is 139+ -32
   Call: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, 107, 32, _296304, _168798)
   Exit: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, 107, 32, 0, ynthesize_long_1729639320_140374)
^  Exit: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1729639320_140374, ynthesize_long_1729639320_140374)
^  Exit: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1729639320_140374)
^  Exit: (167) [system] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1729639320_140374))
^  Exit: (166) [user] must_det_ll(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1729639320_140374))
^  Call: (166) [user] must_det_ll(mangle_iz(ynthesize_long_1729639320_140374, _313552))
^  Call: (167) [user] once(user:mangle_iz(ynthesize_long_1729639320_140374, _313552))
^  Call: (168) [user] mangle_iz(ynthesize_long_1729639320_140374, _313552)
^  Call: (169) [user] symbol_concat(ynthesize_long_1729639320_140374, '_iz', _313552)
   Call: (170) [system] atom_concat(ynthesize_long_1729639320_140374, '_iz', _313552)
   Exit: (170) [system] atom_concat(ynthesize_long_1729639320_140374, '_iz', ynthesize_long_1729639320_140374_iz)
^  Exit: (169) [user] symbol_concat(ynthesize_long_1729639320_140374, '_iz', ynthesize_long_1729639320_140374_iz)
^  Exit: (168) [user] mangle_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374_iz)
^  Exit: (167) [system] once(user:mangle_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374_iz))
^  Exit: (166) [user] must_det_ll(user:mangle_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374_iz))
^  Call: (166) [user] must_det_ll(notrace((format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))))
^  Call: (167) [user] once(user:notrace((format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_332852, _332854), once(user:(format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))), '$restore_trace'(_332852, _332854))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_332852, _332854))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))))
^  Exit: (166) [user] must_det_ll(user:notrace((format((0x560c893a0f80), ':- style_check(-singleton). ~n', []), format((0x560c893a0f80), ':- style_check(-discontiguous). ~n', []), format((0x560c893a0f80), ':- dynamic((~q)/2). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/3). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374]), format((0x560c893a0f80), ':- dynamic((~q)/4). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/5). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/6). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/7). ~n', [ynthesize_long_1729639320_140374_iz]), format((0x560c893a0f80), ':- dynamic((~q)/8). ~n', [ynthesize_long_1729639320_140374_iz]), writeln((0x560c893a0f80), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x560c893a0f80), ':- multifile(user:asserted_metta_pred/2).'), format((0x560c893a0f80), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1729639320_140374, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x560c893a0f80), produce_iz(ynthesize_long_1729639320_140374)))))
^  Call: (166) [user] must_det_ll(flag(translated_forms, _353298, 0))
^  Call: (167) [user] once(user:flag(translated_forms, _353298, 0))
   Call: (168) [$syspreds] flag(translated_forms, _353298, 0)
   Call: (169) [system] _353298==0
^  Call: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _353298, 0))
   Call: (171) [$syspreds] update_flag(translated_forms, _353298, 0)
   Call: (172) [system] get_flag(translated_forms, _353298)
   Exit: (172) [system] get_flag(translated_forms, 29)
   Call: (172) [system] atom(0)
   Call: (172) [system] set_flag(translated_forms, 0)
   Exit: (172) [system] set_flag(translated_forms, 0)
   Exit: (171) [$syspreds] update_flag(translated_forms, 29, 0)
^  Exit: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 29, 0))
   Exit: (168) [$syspreds] flag(translated_forms, 29, 0)
^  Exit: (167) [system] once(user:flag(translated_forms, 29, 0))
^  Exit: (166) [user] must_det_ll(user:flag(translated_forms, 29, 0))
^  Call: (166) [user] must_det_ll(_368186=t(1729639320.1364253))
^  Call: (167) [user] once(user:(_368186=t(1729639320.1364253)))
   Call: (168) [system] _368186=t(1729639320.1364253)
   Exit: (168) [system] t(1729639320.1364253)=t(1729639320.1364253)
^  Exit: (167) [system] once(user:(t(1729639320.1364253)=t(1729639320.1364253)))
^  Exit: (166) [user] must_det_ll(user:(t(1729639320.1364253)=t(1729639320.1364253)))
^  Call: (166) [user] once(call((repeat, (at_end_of_stream((0x560c892e10d0))->!;(must_det_ll(line_count((0x560c892e10d0), _373810)), must_det_ll(read_sform((0x560c892e10d0), _373820))), (_373820==end_of_file->!;once((if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_373820), _373810]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _373982, _373982+1), write_metta_datalog_term((0x560c893a0f80), _373820, ynthesize_long_1729639320_140374, _373810))), fail)))))
^  Call: (167) [user] call((repeat, (at_end_of_stream((0x560c892e10d0))->!;(must_det_ll(line_count((0x560c892e10d0), _373810)), must_det_ll(read_sform((0x560c892e10d0), _373820))), (_373820==end_of_file->!;once((if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_373820), _373810]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _373982, _373982+1), write_metta_datalog_term((0x560c893a0f80), _373820, ynthesize_long_1729639320_140374, _373810))), fail))))
   Call: (169) [system] repeat
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _373810))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _373810))
   Call: (171) [system] line_count((0x560c892e10d0), _373810)
   Exit: (171) [system] line_count((0x560c892e10d0), 1)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 1))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 1))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _373820))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _373820))
^  Call: (171) [user] read_sform((0x560c892e10d0), _373820)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _373820)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _373820)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _394644)
   Exit: (174) [system] peek_char((0x560c892e10d0), ;)
   Call: (174) [system] char_type(;, space)
   Call: (174) [system] _397430=(0x560c892e10d0)
   Exit: (174) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (174) [user] once((read_position((0x560c892e10d0), _399298, _399300, _399302, _399304), read_sexpr((0x560c892e10d0), _399316), assertz(metta_file_comment(_399298, _399300, _399302, _399316, _399304))))
^  Call: (176) [user] read_position((0x560c892e10d0), _399298, _399300, _399302, _399304)
   Call: (177) [system] stream_property((0x560c892e10d0), position(_399304))
   Call: (178) [system] nonvar((0x560c892e10d0))
   Exit: (178) [system] nonvar((0x560c892e10d0))
   Call: (178) [system] nonvar(position(_399304))
   Exit: (178) [system] nonvar(position(_399304))
   Exit: (177) [system] stream_property((0x560c892e10d0), position('$stream_position'(0, 1, 0, 0)))
   Call: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _399298)
   Call: (178) [system] nonvar(line_count)
   Exit: (178) [system] nonvar(line_count)
   Call: (178) [$syspreds] stream_position_field(line_count, _409556)
   Exit: (178) [$syspreds] stream_position_field(line_count, 2)
   Call: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), _399298)
   Exit: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _399300)
   Call: (178) [system] nonvar(line_position)
   Exit: (178) [system] nonvar(line_position)
   Call: (178) [$syspreds] stream_position_field(line_position, _416990)
   Exit: (178) [$syspreds] stream_position_field(line_position, 3)
   Call: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), _399300)
   Exit: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _399302)
   Call: (178) [system] nonvar(char_count)
   Exit: (178) [system] nonvar(char_count)
   Call: (178) [$syspreds] stream_position_field(char_count, _424424)
   Exit: (178) [$syspreds] stream_position_field(char_count, 1)
   Call: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), _399302)
   Exit: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (176) [user] read_position((0x560c892e10d0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (176) [user] read_sexpr((0x560c892e10d0), _399316)
   Call: (177) [system] string((0x560c892e10d0))
   Fail: (177) [system] string((0x560c892e10d0))
^  Call: (177) [user] cont_sexpr(')', (0x560c892e10d0), _399316)
^  Call: (178) [user] skip_spaces((0x560c892e10d0))
   Call: (179) [system] peek_char((0x560c892e10d0), _434650)
   Exit: (179) [system] peek_char((0x560c892e10d0), ;)
   Call: (179) [system] (;)=(;)
   Exit: (179) [system] (;)=(;)
^  Call: (179) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (180) [user] read_position((0x560c892e10d0), _439288, _439290, _439292, _439294)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_439294))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_439294))
   Exit: (182) [system] nonvar(position(_439294))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(0, 1, 0, 0)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _439288)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _448582)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), _439288)
   Exit: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _439290)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _456016)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), _439290)
   Exit: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _439292)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _463450)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), _439292)
   Exit: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (180) [user] read_position((0x560c892e10d0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
   Call: (180) [read_util] read_util:read_line_to_string((0x560c892e10d0), _469044)
   Call: (181) [system] read_string((0x560c892e10d0), '\n', '\r', _469974, _469976)
   Exit: (181) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (181) [system] 10\== -1
   Exit: (181) [system] 10\== -1
   Call: (181) [system] _469044=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (181) [system] ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (180) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (179) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (179) [user] skip_spaces((0x560c892e10d0))
   Call: (180) [system] peek_char((0x560c892e10d0), _480252)
   Exit: (180) [system] peek_char((0x560c892e10d0), ;)
   Call: (180) [system] (;)=(;)
   Exit: (180) [system] (;)=(;)
^  Call: (180) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (181) [user] read_position((0x560c892e10d0), _484890, _484892, _484894, _484896)
   Call: (182) [system] stream_property((0x560c892e10d0), position(_484896))
   Call: (183) [system] nonvar((0x560c892e10d0))
   Exit: (183) [system] nonvar((0x560c892e10d0))
   Call: (183) [system] nonvar(position(_484896))
   Exit: (183) [system] nonvar(position(_484896))
   Exit: (182) [system] stream_property((0x560c892e10d0), position('$stream_position'(86, 2, 0, 86)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), _484890)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _494184)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), _484890)
   Exit: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), 2)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), 2)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), _484892)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _501618)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), _484892)
   Exit: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), _484894)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _509052)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), _484894)
   Exit: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), 86)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), 86)
^  Exit: (181) [user] read_position((0x560c892e10d0), 2, 0, 86, '$stream_position'(86, 2, 0, 86))
   Call: (181) [read_util] read_util:read_line_to_string((0x560c892e10d0), _514646)
   Call: (182) [system] read_string((0x560c892e10d0), '\n', '\r', _515576, _515578)
   Exit: (182) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;real    1m1.667s")
   Call: (182) [system] 10\== -1
   Exit: (182) [system] 10\== -1
   Call: (182) [system] _514646=";;real    1m1.667s"
   Exit: (182) [system] ";;real    1m1.667s"=";;real    1m1.667s"
   Exit: (181) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;real    1m1.667s")
^  Call: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (180) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (180) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] peek_char((0x560c892e10d0), _525838)
   Exit: (181) [system] peek_char((0x560c892e10d0), ;)
   Call: (181) [system] (;)=(;)
   Exit: (181) [system] (;)=(;)
^  Call: (181) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] read_position((0x560c892e10d0), _530476, _530478, _530480, _530482)
   Call: (183) [system] stream_property((0x560c892e10d0), position(_530482))
   Call: (184) [system] nonvar((0x560c892e10d0))
   Exit: (184) [system] nonvar((0x560c892e10d0))
   Call: (184) [system] nonvar(position(_530482))
   Exit: (184) [system] nonvar(position(_530482))
   Exit: (183) [system] stream_property((0x560c892e10d0), position('$stream_position'(105, 3, 0, 105)))
   Call: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), _530476)
   Call: (184) [system] nonvar(line_count)
   Exit: (184) [system] nonvar(line_count)
   Call: (184) [$syspreds] stream_position_field(line_count, _539770)
   Exit: (184) [$syspreds] stream_position_field(line_count, 2)
   Call: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), _530476)
   Exit: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), 3)
   Exit: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), 3)
   Call: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), _530478)
   Call: (184) [system] nonvar(line_position)
   Exit: (184) [system] nonvar(line_position)
   Call: (184) [$syspreds] stream_position_field(line_position, _547204)
   Exit: (184) [$syspreds] stream_position_field(line_position, 3)
   Call: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), _530478)
   Exit: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), 0)
   Exit: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), 0)
   Call: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), _530480)
   Call: (184) [system] nonvar(char_count)
   Exit: (184) [system] nonvar(char_count)
   Call: (184) [$syspreds] stream_position_field(char_count, _554638)
   Exit: (184) [$syspreds] stream_position_field(char_count, 1)
   Call: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), _530480)
   Exit: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), 105)
   Exit: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), 105)
^  Exit: (182) [user] read_position((0x560c892e10d0), 3, 0, 105, '$stream_position'(105, 3, 0, 105))
   Call: (182) [read_util] read_util:read_line_to_string((0x560c892e10d0), _560232)
   Call: (183) [system] read_string((0x560c892e10d0), '\n', '\r', _561162, _561164)
   Exit: (183) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;user    1m1.635s")
   Call: (183) [system] 10\== -1
   Exit: (183) [system] 10\== -1
   Call: (183) [system] _560232=";;user    1m1.635s"
   Exit: (183) [system] ";;user    1m1.635s"=";;user    1m1.635s"
   Exit: (182) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;user    1m1.635s")
^  Call: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (181) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _571424)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _576062, _576064, _576066, _576068)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_576068))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_576068))
   Exit: (185) [system] nonvar(position(_576068))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(124, 4, 0, 124)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), _576062)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _585356)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), _576062)
   Exit: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), 4)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), 4)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), _576064)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _592790)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), _576064)
   Exit: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), _576066)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _600224)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), _576066)
   Exit: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), 124)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), 124)
^  Exit: (183) [user] read_position((0x560c892e10d0), 4, 0, 124, '$stream_position'(124, 4, 0, 124))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _605818)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _606748, _606750)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;sys     0m0.030s")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _605818=";;sys     0m0.030s"
   Exit: (184) [system] ";;sys     0m0.030s"=";;sys     0m0.030s"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;sys     0m0.030s")
^  Call: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _617010)
   Exit: (183) [system] peek_char((0x560c892e10d0), '\n')
   Call: (183) [system] '\n'=(;)
   Fail: (183) [system] '\n'=(;)
   Call: (183) [system] '\n'=(/)
   Fail: (183) [system] '\n'=(/)
^  Call: (183) [user] is_like_space('\n')
   Call: (184) [system] char_type('\n', 'white')
   Fail: (184) [system] char_type('\n', 'white')
   Call: (184) [system] char_type('\n', end_of_line)
   Exit: (184) [system] char_type('\n', end_of_line)
^  Exit: (183) [user] is_like_space('\n')
   Call: (183) [system] get_char((0x560c892e10d0), _628460)
   Exit: (183) [system] get_char((0x560c892e10d0), '\n')
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _631164)
   Exit: (184) [system] peek_char((0x560c892e10d0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (185) [user] read_position((0x560c892e10d0), _635802, _635804, _635806, _635808)
   Call: (186) [system] stream_property((0x560c892e10d0), position(_635808))
   Call: (187) [system] nonvar((0x560c892e10d0))
   Exit: (187) [system] nonvar((0x560c892e10d0))
   Call: (187) [system] nonvar(position(_635808))
   Exit: (187) [system] nonvar(position(_635808))
   Exit: (186) [system] stream_property((0x560c892e10d0), position('$stream_position'(144, 6, 0, 144)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), _635802)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _645096)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), _635802)
   Exit: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), 6)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), 6)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), _635804)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _652530)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), _635804)
   Exit: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), _635806)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _659964)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), _635806)
   Exit: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), 144)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), 144)
^  Exit: (185) [user] read_position((0x560c892e10d0), 6, 0, 144, '$stream_position'(144, 6, 0, 144))
   Call: (185) [read_util] read_util:read_line_to_string((0x560c892e10d0), _665558)
   Call: (186) [system] read_string((0x560c892e10d0), '\n', '\r', _666488, _666490)
   Exit: (186) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] 10\== -1
   Exit: (186) [system] 10\== -1
   Call: (186) [system] _665558=";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (186) [system] ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"=";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (185) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (184) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _676768)
   Exit: (185) [system] peek_char((0x560c892e10d0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (186) [user] read_position((0x560c892e10d0), _681406, _681408, _681410, _681412)
   Call: (187) [system] stream_property((0x560c892e10d0), position(_681412))
   Call: (188) [system] nonvar((0x560c892e10d0))
   Exit: (188) [system] nonvar((0x560c892e10d0))
   Call: (188) [system] nonvar(position(_681412))
   Exit: (188) [system] nonvar(position(_681412))
   Exit: (187) [system] stream_property((0x560c892e10d0), position('$stream_position'(233, 7, 0, 233)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), _681406)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _690700)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), _681406)
   Exit: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), 7)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), 7)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), _681408)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _698134)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), _681408)
   Exit: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), _681410)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _705568)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), _681410)
   Exit: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), 233)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), 233)
^  Exit: (186) [user] read_position((0x560c892e10d0), 7, 0, 233, '$stream_position'(233, 7, 0, 233))
   Call: (186) [read_util] read_util:read_line_to_string((0x560c892e10d0), _711162)
   Call: (187) [system] read_string((0x560c892e10d0), '\n', '\r', _712092, _712094)
   Exit: (187) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;real    1m1.667s")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _711162=";;real    1m1.667s"
   Exit: (187) [system] ";;real    1m1.667s"=";;real    1m1.667s"
   Exit: (186) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;real    1m1.667s")
^  Call: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (185) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _722354)
   Exit: (186) [system] peek_char((0x560c892e10d0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (187) [user] read_position((0x560c892e10d0), _726992, _726994, _726996, _726998)
   Call: (188) [system] stream_property((0x560c892e10d0), position(_726998))
   Call: (189) [system] nonvar((0x560c892e10d0))
   Exit: (189) [system] nonvar((0x560c892e10d0))
   Call: (189) [system] nonvar(position(_726998))
   Exit: (189) [system] nonvar(position(_726998))
   Exit: (188) [system] stream_property((0x560c892e10d0), position('$stream_position'(252, 8, 0, 252)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), _726992)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _736286)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), _726992)
   Exit: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), 8)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), 8)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), _726994)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _743720)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), _726994)
   Exit: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), _726996)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _751154)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), _726996)
   Exit: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), 252)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), 252)
^  Exit: (187) [user] read_position((0x560c892e10d0), 8, 0, 252, '$stream_position'(252, 8, 0, 252))
   Call: (187) [read_util] read_util:read_line_to_string((0x560c892e10d0), _756748)
   Call: (188) [system] read_string((0x560c892e10d0), '\n', '\r', _757678, _757680)
   Exit: (188) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;user    1m1.635s")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _756748=";;user    1m1.635s"
   Exit: (188) [system] ";;user    1m1.635s"=";;user    1m1.635s"
   Exit: (187) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;user    1m1.635s")
^  Call: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (186) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _767940)
   Exit: (187) [system] peek_char((0x560c892e10d0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (188) [user] read_position((0x560c892e10d0), _772578, _772580, _772582, _772584)
   Call: (189) [system] stream_property((0x560c892e10d0), position(_772584))
   Call: (190) [system] nonvar((0x560c892e10d0))
   Exit: (190) [system] nonvar((0x560c892e10d0))
   Call: (190) [system] nonvar(position(_772584))
   Exit: (190) [system] nonvar(position(_772584))
   Exit: (189) [system] stream_property((0x560c892e10d0), position('$stream_position'(271, 9, 0, 271)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), _772578)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _781872)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), _772578)
   Exit: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), 9)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), 9)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), _772580)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _789306)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), _772580)
   Exit: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), _772582)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _796740)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), _772582)
   Exit: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), 271)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), 271)
^  Exit: (188) [user] read_position((0x560c892e10d0), 9, 0, 271, '$stream_position'(271, 9, 0, 271))
   Call: (188) [read_util] read_util:read_line_to_string((0x560c892e10d0), _802334)
   Call: (189) [system] read_string((0x560c892e10d0), '\n', '\r', _803264, _803266)
   Exit: (189) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;sys     0m0.030s")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _802334=";;sys     0m0.030s"
   Exit: (189) [system] ";;sys     0m0.030s"=";;sys     0m0.030s"
   Exit: (188) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;sys     0m0.030s")
^  Call: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (187) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _813526)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _824976)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _827680)
   Exit: (189) [system] peek_char((0x560c892e10d0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (190) [user] read_position((0x560c892e10d0), _832318, _832320, _832322, _832324)
   Call: (191) [system] stream_property((0x560c892e10d0), position(_832324))
   Call: (192) [system] nonvar((0x560c892e10d0))
   Exit: (192) [system] nonvar((0x560c892e10d0))
   Call: (192) [system] nonvar(position(_832324))
   Exit: (192) [system] nonvar(position(_832324))
   Exit: (191) [system] stream_property((0x560c892e10d0), position('$stream_position'(291, 11, 0, 291)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), _832318)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _841612)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), _832318)
   Exit: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), 11)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), 11)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), _832320)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _849046)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), _832320)
   Exit: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), _832322)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _856480)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), _832322)
   Exit: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), 291)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), 291)
^  Exit: (190) [user] read_position((0x560c892e10d0), 11, 0, 291, '$stream_position'(291, 11, 0, 291))
   Call: (190) [read_util] read_util:read_line_to_string((0x560c892e10d0), _862074)
   Call: (191) [system] read_string((0x560c892e10d0), '\n', '\r', _863004, _863006)
   Exit: (191) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Import modules")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _862074=";; Import modules"
   Exit: (191) [system] ";; Import modules"=";; Import modules"
   Exit: (190) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Import modules")
^  Call: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (189) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _873266)
   Exit: (190) [system] peek_char((0x560c892e10d0), '\n')
   Call: (190) [system] '\n'=(;)
   Fail: (190) [system] '\n'=(;)
   Call: (190) [system] '\n'=(/)
   Fail: (190) [system] '\n'=(/)
^  Call: (190) [user] is_like_space('\n')
   Call: (191) [system] char_type('\n', 'white')
   Fail: (191) [system] char_type('\n', 'white')
   Call: (191) [system] char_type('\n', end_of_line)
   Exit: (191) [system] char_type('\n', end_of_line)
^  Exit: (190) [user] is_like_space('\n')
   Call: (190) [system] get_char((0x560c892e10d0), _884716)
   Exit: (190) [system] get_char((0x560c892e10d0), '\n')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _887420)
   Exit: (191) [system] peek_char((0x560c892e10d0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (192) [user] read_position((0x560c892e10d0), _892058, _892060, _892062, _892064)
   Call: (193) [system] stream_property((0x560c892e10d0), position(_892064))
   Call: (194) [system] nonvar((0x560c892e10d0))
   Exit: (194) [system] nonvar((0x560c892e10d0))
   Call: (194) [system] nonvar(position(_892064))
   Exit: (194) [system] nonvar(position(_892064))
   Exit: (193) [system] stream_property((0x560c892e10d0), position('$stream_position'(310, 13, 0, 310)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), _892058)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _901352)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), _892058)
   Exit: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), 13)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), 13)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), _892060)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _908786)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), _892060)
   Exit: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), _892062)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _916220)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), _892062)
   Exit: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), 310)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), 310)
^  Exit: (192) [user] read_position((0x560c892e10d0), 13, 0, 310, '$stream_position'(310, 13, 0, 310))
   Call: (192) [read_util] read_util:read_line_to_string((0x560c892e10d0), _921814)
   Call: (193) [system] read_string((0x560c892e10d0), '\n', '\r', _922744, _922746)
   Exit: (193) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Define Nat")
   Call: (193) [system] 10\== -1
   Exit: (193) [system] 10\== -1
   Call: (193) [system] _921814=";; Define Nat"
   Exit: (193) [system] ";; Define Nat"=";; Define Nat"
   Exit: (192) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Define Nat")
^  Call: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (191) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _933004)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
^  Exit: (180) [user] skip_spaces((0x560c892e10d0))
^  Exit: (179) [user] skip_spaces((0x560c892e10d0))
^  Exit: (178) [user] skip_spaces((0x560c892e10d0))
   Call: (178) [system] get_char((0x560c892e10d0), _961026)
   Exit: (178) [system] get_char((0x560c892e10d0), '(')
   Call: (178) [system] '('='('
   Exit: (178) [system] '('='('
^  Call: (178) [user] read_list(')', (0x560c892e10d0), _399316)
^  Call: (179) [user] skip_spaces((0x560c892e10d0))
   Call: (180) [system] peek_char((0x560c892e10d0), _966596)
   Exit: (180) [system] peek_char((0x560c892e10d0), :)
   Call: (180) [system] (:)=(;)
   Fail: (180) [system] (:)=(;)
   Call: (180) [system] (:)=(/)
   Fail: (180) [system] (:)=(/)
^  Call: (180) [user] is_like_space(:)
   Call: (181) [system] char_type(:, 'white')
   Fail: (181) [system] char_type(:, 'white')
   Call: (181) [system] char_type(:, end_of_line)
   Fail: (181) [system] char_type(:, end_of_line)
   Call: (181) [system] char_type(:, space)
   Fail: (181) [system] char_type(:, space)
   Call: (181) [system] char_type(:, cntrl)
   Fail: (181) [system] char_type(:, cntrl)
^  Fail: (180) [user] is_like_space(:)
^  Exit: (179) [user] skip_spaces((0x560c892e10d0))
   Call: (179) [system] peek_char((0x560c892e10d0), _982606)
   Exit: (179) [system] peek_char((0x560c892e10d0), :)
   Call: (179) [system] (:)=')'
   Fail: (179) [system] (:)=')'
   Call: (179) [system] (:)=end_of_file
   Fail: (179) [system] (:)=end_of_file
^  Call: (179) [user] cont_sexpr(')', (0x560c892e10d0), _988176)
^  Call: (180) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] peek_char((0x560c892e10d0), _990034)
   Exit: (181) [system] peek_char((0x560c892e10d0), :)
   Call: (181) [system] (:)=(;)
   Fail: (181) [system] (:)=(;)
   Call: (181) [system] (:)=(/)
   Fail: (181) [system] (:)=(/)
^  Call: (181) [user] is_like_space(:)
   Call: (182) [system] char_type(:, 'white')
   Fail: (182) [system] char_type(:, 'white')
   Call: (182) [system] char_type(:, end_of_line)
   Fail: (182) [system] char_type(:, end_of_line)
   Call: (182) [system] char_type(:, space)
   Fail: (182) [system] char_type(:, space)
   Call: (182) [system] char_type(:, cntrl)
   Fail: (182) [system] char_type(:, cntrl)
^  Fail: (181) [user] is_like_space(:)
^  Exit: (180) [user] skip_spaces((0x560c892e10d0))
   Call: (180) [system] get_char((0x560c892e10d0), _1006044)
   Exit: (180) [system] get_char((0x560c892e10d0), :)
   Call: (180) [system] (:)='('
   Fail: (180) [system] (:)='('
   Call: (180) [system] (:)='['
   Fail: (180) [system] (:)='['
   Call: (180) [system] (:)='{'
   Fail: (180) [system] (:)='{'
   Call: (180) [system] (:)='"'
   Fail: (180) [system] (:)='"'
   Call: (180) [system] (:)=!
   Fail: (180) [system] (:)=!
   Call: (180) [system] (:)='\''
   Fail: (180) [system] (:)='\''
   Call: (180) [system] (:)='`'
   Fail: (180) [system] (:)='`'
   Call: (180) [system] (:)=end_of_file
   Fail: (180) [system] (:)=end_of_file
^  Call: (180) [user] read_symbolic(')', (0x560c892e10d0), :, _988176)
^  Call: (181) [user] read_symbolic_cont(')', (0x560c892e10d0), _1023686)
   Call: (182) [system] peek_char((0x560c892e10d0), _1024620)
   Exit: (182) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (182) [user] is_delimiter(' ')
   Call: (183) [system] char_type(' ', space)
   Exit: (183) [system] char_type(' ', space)
^  Exit: (182) [user] is_delimiter(' ')
   Call: (182) [system] _1023686=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (181) [user] classify_and_convert_charseq([:], _988176)
^  Call: (182) [user] classify_and_convert_charseq_([:], _1033904)
^  Call: (184) [system] setup_call_cleanup('$notrace'(_1034856, _1034858), once(user:catch(read_from_chars([:], _1033904), _1034838, fail)), '$restore_trace'(_1034856, _1034858))
^  Call: (185) [system] sig_atomic(system:'$notrace'(_1034856, _1034858))
^  Exit: (184) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1034838, fail)), system:'$restore_trace'(3, -1))
   Call: (183) [system] atomic(:)
   Exit: (183) [system] atomic(:)
^  Exit: (182) [user] classify_and_convert_charseq_([:], :)
   Call: (182) [system] integer(:)
   Fail: (182) [system] integer(:)
   Call: (182) [system] _988176=(:)
   Exit: (182) [system] (:)=(:)
^  Exit: (181) [user] classify_and_convert_charseq([:], :)
^  Exit: (180) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (179) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (179) [user] read_list(')', (0x560c892e10d0), _1046984)
^  Call: (180) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] peek_char((0x560c892e10d0), _1048842)
   Exit: (181) [system] peek_char((0x560c892e10d0), ' ')
   Call: (181) [system] ' '=(;)
   Fail: (181) [system] ' '=(;)
   Call: (181) [system] ' '=(/)
   Fail: (181) [system] ' '=(/)
^  Call: (181) [user] is_like_space(' ')
   Call: (182) [system] char_type(' ', 'white')
   Exit: (182) [system] char_type(' ', 'white')
^  Exit: (181) [user] is_like_space(' ')
   Call: (181) [system] get_char((0x560c892e10d0), _1058436)
   Exit: (181) [system] get_char((0x560c892e10d0), ' ')
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1061140)
   Exit: (182) [system] peek_char((0x560c892e10d0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
^  Exit: (180) [user] skip_spaces((0x560c892e10d0))
   Call: (180) [system] peek_char((0x560c892e10d0), _1078074)
   Exit: (180) [system] peek_char((0x560c892e10d0), 'N')
   Call: (180) [system] 'N'=')'
   Fail: (180) [system] 'N'=')'
   Call: (180) [system] 'N'=end_of_file
   Fail: (180) [system] 'N'=end_of_file
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1083644)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1085502)
   Exit: (182) [system] peek_char((0x560c892e10d0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1101512)
   Exit: (181) [system] get_char((0x560c892e10d0), 'N')
   Call: (181) [system] 'N'='('
   Fail: (181) [system] 'N'='('
   Call: (181) [system] 'N'='['
   Fail: (181) [system] 'N'='['
   Call: (181) [system] 'N'='{'
   Fail: (181) [system] 'N'='{'
   Call: (181) [system] 'N'='"'
   Fail: (181) [system] 'N'='"'
   Call: (181) [system] 'N'=!
   Fail: (181) [system] 'N'=!
   Call: (181) [system] 'N'='\''
   Fail: (181) [system] 'N'='\''
   Call: (181) [system] 'N'='`'
   Fail: (181) [system] 'N'='`'
   Call: (181) [system] 'N'=end_of_file
   Fail: (181) [system] 'N'=end_of_file
^  Call: (181) [user] read_symbolic(')', (0x560c892e10d0), 'N', _1083644)
^  Call: (182) [user] read_symbolic_cont(')', (0x560c892e10d0), _1119154)
   Call: (183) [system] peek_char((0x560c892e10d0), _1120088)
   Exit: (183) [system] peek_char((0x560c892e10d0), a)
^  Call: (183) [user] is_delimiter(a)
   Call: (184) [system] char_type(a, space)
   Fail: (184) [system] char_type(a, space)
   Call: (184) [system] arg(_1124808, v('(', ')', end_of_file), a)
   Fail: (184) [system] arg(_1125740, v('(', ')', end_of_file), a)
^  Fail: (183) [user] is_delimiter(a)
   Call: (183) [system] ')'==a
   Fail: (183) [system] ')'==a
   Call: (183) [system] get_char((0x560c892e10d0), a)
   Exit: (183) [system] get_char((0x560c892e10d0), a)
   Call: (183) [system] a=(\)
   Fail: (183) [system] a=(\)
^  Call: (183) [user] read_symbolic_cont(')', (0x560c892e10d0), _1133090)
   Call: (184) [system] peek_char((0x560c892e10d0), _1134024)
   Exit: (184) [system] peek_char((0x560c892e10d0), t)
^  Call: (184) [user] is_delimiter(t)
   Call: (185) [system] char_type(t, space)
   Fail: (185) [system] char_type(t, space)
   Call: (185) [system] arg(_1138744, v('(', ')', end_of_file), t)
   Fail: (185) [system] arg(_1139676, v('(', ')', end_of_file), t)
^  Fail: (184) [user] is_delimiter(t)
   Call: (184) [system] ')'==t
   Fail: (184) [system] ')'==t
   Call: (184) [system] get_char((0x560c892e10d0), t)
   Exit: (184) [system] get_char((0x560c892e10d0), t)
   Call: (184) [system] t=(\)
   Fail: (184) [system] t=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1147026)
   Call: (185) [system] peek_char((0x560c892e10d0), _1147960)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1147026=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (184) [system] _1133090=[t]
   Exit: (184) [system] [t]=[t]
^  Exit: (183) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (183) [system] _1119154=[a, t]
   Exit: (183) [system] [a, t]=[a, t]
^  Exit: (182) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t])
^  Call: (182) [user] classify_and_convert_charseq(['N', a, t], _1083644)
^  Call: (183) [user] classify_and_convert_charseq_(['N', a, t], _1162832)
^  Call: (185) [system] setup_call_cleanup('$notrace'(_1163784, _1163786), once(user:catch(read_from_chars(['N', a, t], _1162832), _1163766, fail)), '$restore_trace'(_1163784, _1163786))
^  Call: (186) [system] sig_atomic(system:'$notrace'(_1163784, _1163786))
^  Exit: (185) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1162832), _1163766, fail)), system:'$restore_trace'(3, -1))
   Call: (184) [system] atomic(_1162832)
   Fail: (184) [system] atomic(_1162832)
   Call: (184) [system] atom_chars(_1162832, ['N', a, t])
   Exit: (184) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (183) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (183) [system] integer('Nat')
   Fail: (183) [system] integer('Nat')
   Call: (183) [system] _1083644='Nat'
   Exit: (183) [system] 'Nat'='Nat'
^  Exit: (182) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (181) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'Nat')
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), 'Nat')
^  Call: (180) [user] read_list(')', (0x560c892e10d0), _1177782)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1179640)
   Exit: (182) [system] peek_char((0x560c892e10d0), ' ')
   Call: (182) [system] ' '=(;)
   Fail: (182) [system] ' '=(;)
   Call: (182) [system] ' '=(/)
   Fail: (182) [system] ' '=(/)
^  Call: (182) [user] is_like_space(' ')
   Call: (183) [system] char_type(' ', 'white')
   Exit: (183) [system] char_type(' ', 'white')
^  Exit: (182) [user] is_like_space(' ')
   Call: (182) [system] get_char((0x560c892e10d0), _1189234)
   Exit: (182) [system] get_char((0x560c892e10d0), ' ')
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1191938)
   Exit: (183) [system] peek_char((0x560c892e10d0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] peek_char((0x560c892e10d0), _1208872)
   Exit: (181) [system] peek_char((0x560c892e10d0), 'T')
   Call: (181) [system] 'T'=')'
   Fail: (181) [system] 'T'=')'
   Call: (181) [system] 'T'=end_of_file
   Fail: (181) [system] 'T'=end_of_file
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _1214442)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1216300)
   Exit: (183) [system] peek_char((0x560c892e10d0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _1232310)
   Exit: (182) [system] get_char((0x560c892e10d0), 'T')
   Call: (182) [system] 'T'='('
   Fail: (182) [system] 'T'='('
   Call: (182) [system] 'T'='['
   Fail: (182) [system] 'T'='['
   Call: (182) [system] 'T'='{'
   Fail: (182) [system] 'T'='{'
   Call: (182) [system] 'T'='"'
   Fail: (182) [system] 'T'='"'
   Call: (182) [system] 'T'=!
   Fail: (182) [system] 'T'=!
   Call: (182) [system] 'T'='\''
   Fail: (182) [system] 'T'='\''
   Call: (182) [system] 'T'='`'
   Fail: (182) [system] 'T'='`'
   Call: (182) [system] 'T'=end_of_file
   Fail: (182) [system] 'T'=end_of_file
^  Call: (182) [user] read_symbolic(')', (0x560c892e10d0), 'T', _1214442)
^  Call: (183) [user] read_symbolic_cont(')', (0x560c892e10d0), _1249952)
   Call: (184) [system] peek_char((0x560c892e10d0), _1250886)
   Exit: (184) [system] peek_char((0x560c892e10d0), y)
^  Call: (184) [user] is_delimiter(y)
   Call: (185) [system] char_type(y, space)
   Fail: (185) [system] char_type(y, space)
   Call: (185) [system] arg(_1255606, v('(', ')', end_of_file), y)
   Fail: (185) [system] arg(_1256538, v('(', ')', end_of_file), y)
^  Fail: (184) [user] is_delimiter(y)
   Call: (184) [system] ')'==y
   Fail: (184) [system] ')'==y
   Call: (184) [system] get_char((0x560c892e10d0), y)
   Exit: (184) [system] get_char((0x560c892e10d0), y)
   Call: (184) [system] y=(\)
   Fail: (184) [system] y=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1263888)
   Call: (185) [system] peek_char((0x560c892e10d0), _1264822)
   Exit: (185) [system] peek_char((0x560c892e10d0), p)
^  Call: (185) [user] is_delimiter(p)
   Call: (186) [system] char_type(p, space)
   Fail: (186) [system] char_type(p, space)
   Call: (186) [system] arg(_1269542, v('(', ')', end_of_file), p)
   Fail: (186) [system] arg(_1270474, v('(', ')', end_of_file), p)
^  Fail: (185) [user] is_delimiter(p)
   Call: (185) [system] ')'==p
   Fail: (185) [system] ')'==p
   Call: (185) [system] get_char((0x560c892e10d0), p)
   Exit: (185) [system] get_char((0x560c892e10d0), p)
   Call: (185) [system] p=(\)
   Fail: (185) [system] p=(\)
^  Call: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), _1277824)
   Call: (186) [system] peek_char((0x560c892e10d0), _1278758)
   Exit: (186) [system] peek_char((0x560c892e10d0), e)
^  Call: (186) [user] is_delimiter(e)
   Call: (187) [system] char_type(e, space)
   Fail: (187) [system] char_type(e, space)
   Call: (187) [system] arg(_1283478, v('(', ')', end_of_file), e)
   Fail: (187) [system] arg(_1284410, v('(', ')', end_of_file), e)
^  Fail: (186) [user] is_delimiter(e)
   Call: (186) [system] ')'==e
   Fail: (186) [system] ')'==e
   Call: (186) [system] get_char((0x560c892e10d0), e)
   Exit: (186) [system] get_char((0x560c892e10d0), e)
   Call: (186) [system] e=(\)
   Fail: (186) [system] e=(\)
^  Call: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), _1291760)
   Call: (187) [system] peek_char((0x560c892e10d0), _1292694)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
^  Call: (187) [user] is_delimiter(')')
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] arg(_1297414, v('(', ')', end_of_file), ')')
   Exit: (188) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (187) [user] is_delimiter(')')
   Call: (187) [system] _1291760=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (186) [system] _1277824=[e]
   Exit: (186) [system] [e]=[e]
^  Exit: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (185) [system] _1263888=[p, e]
   Exit: (185) [system] [p, e]=[p, e]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, e])
   Call: (184) [system] _1249952=[y, p, e]
   Exit: (184) [system] [y, p, e]=[y, p, e]
^  Exit: (183) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, p, e])
^  Call: (183) [user] classify_and_convert_charseq(['T', y, p, e], _1214442)
^  Call: (184) [user] classify_and_convert_charseq_(['T', y, p, e], _1312232)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1313184, _1313186), once(user:catch(read_from_chars(['T', y, p, e], _1312232), _1313166, fail)), '$restore_trace'(_1313184, _1313186))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1313184, _1313186))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['T', y, p, e], _1312232), _1313166, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(_1312232)
   Fail: (185) [system] atomic(_1312232)
   Call: (185) [system] atom_chars(_1312232, ['T', y, p, e])
   Exit: (185) [system] atom_chars('Type', ['T', y, p, e])
^  Exit: (184) [user] classify_and_convert_charseq_(['T', y, p, e], 'Type')
   Call: (184) [system] integer('Type')
   Fail: (184) [system] integer('Type')
   Call: (184) [system] _1214442='Type'
   Exit: (184) [system] 'Type'='Type'
^  Exit: (183) [user] classify_and_convert_charseq(['T', y, p, e], 'Type')
^  Exit: (182) [user] read_symbolic(')', (0x560c892e10d0), 'T', 'Type')
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), 'Type')
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1327182)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1329040)
   Exit: (183) [system] peek_char((0x560c892e10d0), ')')
   Call: (183) [system] ')'=(;)
   Fail: (183) [system] ')'=(;)
   Call: (183) [system] ')'=(/)
   Fail: (183) [system] ')'=(/)
^  Call: (183) [user] is_like_space(')')
   Call: (184) [system] char_type(')', 'white')
   Fail: (184) [system] char_type(')', 'white')
   Call: (184) [system] char_type(')', end_of_line)
   Fail: (184) [system] char_type(')', end_of_line)
   Call: (184) [system] char_type(')', space)
   Fail: (184) [system] char_type(')', space)
   Call: (184) [system] char_type(')', cntrl)
   Fail: (184) [system] char_type(')', cntrl)
^  Fail: (183) [user] is_like_space(')')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1345050)
   Exit: (182) [system] peek_char((0x560c892e10d0), ')')
   Call: (182) [system] ')'=')'
   Exit: (182) [system] ')'=')'
   Call: (182) [system] get_char((0x560c892e10d0), _1348840)
   Exit: (182) [system] get_char((0x560c892e10d0), ')')
   Call: (182) [system] _1327182=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [])
   Call: (181) [system] _1177782=['Type']
   Exit: (181) [system] ['Type']=['Type']
^  Exit: (180) [user] read_list(')', (0x560c892e10d0), ['Type'])
   Call: (180) [system] _1046984=['Nat', 'Type']
   Exit: (180) [system] ['Nat', 'Type']=['Nat', 'Type']
^  Exit: (179) [user] read_list(')', (0x560c892e10d0), ['Nat', 'Type'])
   Call: (179) [system] _399316=[:, 'Nat', 'Type']
   Exit: (179) [system] [:, 'Nat', 'Type']=[:, 'Nat', 'Type']
^  Exit: (178) [user] read_list(')', (0x560c892e10d0), [:, 'Nat', 'Type'])
^  Exit: (177) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'Nat', 'Type'])
^  Exit: (176) [user] read_sexpr((0x560c892e10d0), [:, 'Nat', 'Type'])
^  Call: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (174) [system] once(user:(read_position((0x560c892e10d0), 1, 0, 0, '$stream_position'(0, 1, 0, 0)), read_sexpr((0x560c892e10d0), [:, 'Nat', 'Type']), assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))))
   Call: (174) [system] fail
^  Call: (174) [user] retract(metta_file_comment(_1367358, _1367360, _1367362, _1367364, _1367366))
^  Exit: (174) [user] retract(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Call: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _373820)
^  Call: (175) [user] once(call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198))
^  Call: (176) [user] call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198)
^  Call: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198)
^  Call: (178) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373014))
^  Call: (179) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373014))
^  Call: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373014)
^  Call: (181) [user] once(call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1375814))
^  Call: (182) [user] call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1375814)
^  Call: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1375814)
   Call: (184) [system] var('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] atom('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==true
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==false
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==[_1382334, _1382340]
   Call: (184) [system] is_list('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] string('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Exit: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1386968, _1386970)
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] '$COMMENT'\=='$VAR'
   Exit: (184) [system] '$COMMENT'\=='$VAR'
^  Call: (184) [user] apply:maplist(mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], _1390710)
   Call: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], _1390710, user:mfix_vars1)
^  Call: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", _1392590)
   Call: (187) [system] var(";; $kb: a nullary function to axiom")
   Call: (187) [system] atom(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"==true
   Call: (187) [system] ";; $kb: a nullary function to axiom"==false
   Call: (187) [system] ";; $kb: a nullary function to axiom"==[_1397232, _1397238]
   Call: (187) [system] is_list(";; $kb: a nullary function to axiom")
   Call: (187) [system] string(";; $kb: a nullary function to axiom")
   Exit: (187) [system] string(";; $kb: a nullary function to axiom")
^  Call: (187) [user] string_to_syms
   Call: (188) [system] fail
   Call: (187) [system] compound(";; $kb: a nullary function to axiom")
^  Call: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (188) [system] atom(";; $kb: a nullary function to axiom")
   Fail: (188) [system] atom(";; $kb: a nullary function to axiom")
^  Fail: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"=_1392590
   Exit: (187) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
^  Exit: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
   Call: (186) [apply] apply:maplist_([34, 0], _1392592, user:mfix_vars1)
^  Call: (187) [user] mfix_vars1(34, _1411112)
   Call: (188) [system] var(34)
   Call: (188) [system] atom(34)
   Call: (188) [system] 34==true
   Call: (188) [system] 34==false
   Call: (188) [system] 34==[_1415754, _1415760]
   Call: (188) [system] is_list(34)
   Call: (188) [system] string(34)
   Call: (188) [system] compound(34)
^  Call: (188) [user] symbol(34)
   Call: (189) [system] atom(34)
   Fail: (189) [system] atom(34)
^  Fail: (188) [user] symbol(34)
   Call: (188) [system] 34=_1411112
   Exit: (188) [system] 34=34
^  Exit: (187) [user] mfix_vars1(34, 34)
   Call: (187) [apply] apply:maplist_([0], _1411114, user:mfix_vars1)
^  Call: (188) [user] mfix_vars1(0, _1426878)
   Call: (189) [system] var(0)
   Call: (189) [system] atom(0)
   Call: (189) [system] 0==true
   Call: (189) [system] 0==false
   Call: (189) [system] 0==[_1431520, _1431526]
   Call: (189) [system] is_list(0)
   Call: (189) [system] string(0)
   Call: (189) [system] compound(0)
^  Call: (189) [user] symbol(0)
   Call: (190) [system] atom(0)
   Fail: (190) [system] atom(0)
^  Fail: (189) [user] symbol(0)
   Call: (189) [system] 0=_1426878
   Exit: (189) [system] 0=0
^  Exit: (188) [user] mfix_vars1(0, 0)
   Call: (188) [apply] apply:maplist_([], _1426880, user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (187) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (186) [apply] apply:maplist_([34, 0], [34, 0], user:mfix_vars1)
   Exit: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0], user:mfix_vars1)
^  Exit: (184) [apply] apply:maplist(user:mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] compound_name_arguments(_1375814, '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
^  Exit: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1455696))
^  Call: (179) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1455696))
^  Call: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1455696)
^  Call: (181) [user] once(call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1458496))
^  Call: (182) [user] call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1458496)
^  Call: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1458496)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198))
^  Call: (179) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198))
^  Call: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370198)
^  Call: (181) [user] once(call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1472454))
^  Call: (182) [user] call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1472454)
^  Call: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1472454)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (176) [system] call(user:untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (175) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (175) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _373982, _373982+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1729639320_140374, 1)))
^  Call: (171) [user] if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_373870)
   Exit: (173) [system] get_time(1729639320.2914164)
   Call: (173) [system] arg(1, t(1729639320.1364253), _373884)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _373894 is 1729639320.2914164-1729639320.1364253
   Exit: (173) [system] 0.15499114990234375 is 1729639320.2914164-1729639320.1364253
   Call: (173) [system] 0.15499114990234375>4
   Fail: (173) [system] 0.15499114990234375>4
^  Exit: (171) [user] if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _373982, _373982+1)
   Call: (172) [system] _373982==_373982+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _373982, _373982+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _373982, _373982+1)
   Call: (175) [system] get_flag(translated_forms, _373982)
   Exit: (175) [system] get_flag(translated_forms, 0)
   Call: (175) [system] atom(0+1)
   Call: (175) [system] set_flag(translated_forms, 1)
   Exit: (175) [system] set_flag(translated_forms, 1)
   Exit: (174) [$syspreds] update_flag(translated_forms, 0, 0+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 0, 0+1))
   Exit: (171) [$syspreds] flag(translated_forms, 0, 0+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1729639320_140374, 1)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1729639320_140374, 1)
^  Exit: (169) [system] once(user:(if_t((get_time(_373870), arg(1, t(1729639320.1364253), _373884), _373894 is _373870-_373884, _373894>4), (nb_setarg(1, t(1729639320.1364253), _373870), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 0, 0+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1729639320_140374, 1)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _373810))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _373810))
   Call: (171) [system] line_count((0x560c892e10d0), _373810)
   Exit: (171) [system] line_count((0x560c892e10d0), 14)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 14))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 14))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _373820))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _373820))
^  Call: (171) [user] read_sform((0x560c892e10d0), _373820)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _373820)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _373820)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1542620)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _373820)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1550042)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _373820)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _373820)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1558380)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1561166=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1563034, _1563036, _1563038, _1563040), read_sexpr((0x560c892e10d0), _1563052), assertz(metta_file_comment(_1563034, _1563036, _1563038, _1563052, _1563040))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1563034, _1563036, _1563038, _1563040)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1563040))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1563040))
   Exit: (181) [system] nonvar(position(_1563040))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(337, 15, 0, 337)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), _1563034)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1573292)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), _1563034)
   Exit: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), 15)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), 15)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), _1563036)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1580726)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), _1563036)
   Exit: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), _1563038)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1588160)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), _1563038)
   Exit: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), 337)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), 337)
^  Exit: (179) [user] read_position((0x560c892e10d0), 15, 0, 337, '$stream_position'(337, 15, 0, 337))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1563052)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1563052)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1598386)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1614396)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1563052)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1619966)
   Exit: (183) [system] peek_char((0x560c892e10d0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1635976)
   Exit: (182) [system] peek_char((0x560c892e10d0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1641546)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1643404)
   Exit: (184) [system] peek_char((0x560c892e10d0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1659414)
   Exit: (183) [system] get_char((0x560c892e10d0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), :, _1641546)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677056)
   Call: (185) [system] peek_char((0x560c892e10d0), _1677990)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1677056=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _1641546)
^  Call: (185) [user] classify_and_convert_charseq_([:], _1687274)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1688226, _1688228), once(user:catch(read_from_chars([:], _1687274), _1688208, fail)), '$restore_trace'(_1688226, _1688228))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1688226, _1688228))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1688208, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _1641546=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1700354)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1702212)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1711806)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1714510)
   Exit: (185) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1731444)
   Exit: (183) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (183) [system] 'Z'=')'
   Fail: (183) [system] 'Z'=')'
   Call: (183) [system] 'Z'=end_of_file
   Fail: (183) [system] 'Z'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1737014)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1738872)
   Exit: (185) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1754882)
   Exit: (184) [system] get_char((0x560c892e10d0), 'Z')
   Call: (184) [system] 'Z'='('
   Fail: (184) [system] 'Z'='('
   Call: (184) [system] 'Z'='['
   Fail: (184) [system] 'Z'='['
   Call: (184) [system] 'Z'='{'
   Fail: (184) [system] 'Z'='{'
   Call: (184) [system] 'Z'='"'
   Fail: (184) [system] 'Z'='"'
   Call: (184) [system] 'Z'=!
   Fail: (184) [system] 'Z'=!
   Call: (184) [system] 'Z'='\''
   Fail: (184) [system] 'Z'='\''
   Call: (184) [system] 'Z'='`'
   Fail: (184) [system] 'Z'='`'
   Call: (184) [system] 'Z'=end_of_file
   Fail: (184) [system] 'Z'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x560c892e10d0), 'Z', _1737014)
^  Call: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), _1772524)
   Call: (186) [system] peek_char((0x560c892e10d0), _1773458)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1772524=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (185) [user] classify_and_convert_charseq(['Z'], _1737014)
^  Call: (186) [user] classify_and_convert_charseq_(['Z'], _1782742)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1783694, _1783696), once(user:catch(read_from_chars(['Z'], _1782742), _1783676, fail)), '$restore_trace'(_1783694, _1783696))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1783694, _1783696))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1782742), _1783676, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_1782742)
   Fail: (187) [system] atomic(_1782742)
   Call: (187) [system] atom_chars(_1782742, ['Z'])
   Exit: (187) [system] atom_chars('Z', ['Z'])
^  Exit: (186) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (186) [system] integer('Z')
   Fail: (186) [system] integer('Z')
   Call: (186) [system] _1737014='Z'
   Exit: (186) [system] 'Z'='Z'
^  Exit: (185) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (184) [user] read_symbolic(')', (0x560c892e10d0), 'Z', 'Z')
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), 'Z')
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1797692)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1799550)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1809144)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1811848)
   Exit: (186) [system] peek_char((0x560c892e10d0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1828782)
   Exit: (184) [system] peek_char((0x560c892e10d0), 'N')
   Call: (184) [system] 'N'=')'
   Fail: (184) [system] 'N'=')'
   Call: (184) [system] 'N'=end_of_file
   Fail: (184) [system] 'N'=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1834352)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1836210)
   Exit: (186) [system] peek_char((0x560c892e10d0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1852220)
   Exit: (185) [system] get_char((0x560c892e10d0), 'N')
   Call: (185) [system] 'N'='('
   Fail: (185) [system] 'N'='('
   Call: (185) [system] 'N'='['
   Fail: (185) [system] 'N'='['
   Call: (185) [system] 'N'='{'
   Fail: (185) [system] 'N'='{'
   Call: (185) [system] 'N'='"'
   Fail: (185) [system] 'N'='"'
   Call: (185) [system] 'N'=!
   Fail: (185) [system] 'N'=!
   Call: (185) [system] 'N'='\''
   Fail: (185) [system] 'N'='\''
   Call: (185) [system] 'N'='`'
   Fail: (185) [system] 'N'='`'
   Call: (185) [system] 'N'=end_of_file
   Fail: (185) [system] 'N'=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x560c892e10d0), 'N', _1834352)
^  Call: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), _1869862)
   Call: (187) [system] peek_char((0x560c892e10d0), _1870796)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
^  Call: (187) [user] is_delimiter(a)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] arg(_1875516, v('(', ')', end_of_file), a)
   Fail: (188) [system] arg(_1876448, v('(', ')', end_of_file), a)
^  Fail: (187) [user] is_delimiter(a)
   Call: (187) [system] ')'==a
   Fail: (187) [system] ')'==a
   Call: (187) [system] get_char((0x560c892e10d0), a)
   Exit: (187) [system] get_char((0x560c892e10d0), a)
   Call: (187) [system] a=(\)
   Fail: (187) [system] a=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1883798)
   Call: (188) [system] peek_char((0x560c892e10d0), _1884732)
   Exit: (188) [system] peek_char((0x560c892e10d0), t)
^  Call: (188) [user] is_delimiter(t)
   Call: (189) [system] char_type(t, space)
   Fail: (189) [system] char_type(t, space)
   Call: (189) [system] arg(_1889452, v('(', ')', end_of_file), t)
   Fail: (189) [system] arg(_1890384, v('(', ')', end_of_file), t)
^  Fail: (188) [user] is_delimiter(t)
   Call: (188) [system] ')'==t
   Fail: (188) [system] ')'==t
   Call: (188) [system] get_char((0x560c892e10d0), t)
   Exit: (188) [system] get_char((0x560c892e10d0), t)
   Call: (188) [system] t=(\)
   Fail: (188) [system] t=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1897734)
   Call: (189) [system] peek_char((0x560c892e10d0), _1898668)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1903388, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1897734=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1883798=[t]
   Exit: (188) [system] [t]=[t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (187) [system] _1869862=[a, t]
   Exit: (187) [system] [a, t]=[a, t]
^  Exit: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t])
^  Call: (186) [user] classify_and_convert_charseq(['N', a, t], _1834352)
^  Call: (187) [user] classify_and_convert_charseq_(['N', a, t], _1915412)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1916364, _1916366), once(user:catch(read_from_chars(['N', a, t], _1915412), _1916346, fail)), '$restore_trace'(_1916364, _1916366))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1916364, _1916366))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1915412), _1916346, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(_1915412)
   Fail: (188) [system] atomic(_1915412)
   Call: (188) [system] atom_chars(_1915412, ['N', a, t])
   Exit: (188) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (187) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (187) [system] integer('Nat')
   Fail: (187) [system] integer('Nat')
   Call: (187) [system] _1834352='Nat'
   Exit: (187) [system] 'Nat'='Nat'
^  Exit: (186) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (185) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'Nat')
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), 'Nat')
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1930362)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1932220)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1948230)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1952020)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1930362=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _1797692=['Nat']
   Exit: (184) [system] ['Nat']=['Nat']
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), ['Nat'])
   Call: (183) [system] _1700354=['Z', 'Nat']
   Exit: (183) [system] ['Z', 'Nat']=['Z', 'Nat']
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), ['Z', 'Nat'])
   Call: (182) [system] _1563052=[:, 'Z', 'Nat']
   Exit: (182) [system] [:, 'Z', 'Nat']=[:, 'Z', 'Nat']
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [:, 'Z', 'Nat'])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'Z', 'Nat'])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [:, 'Z', 'Nat'])
^  Call: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 15, 0, 337, '$stream_position'(337, 15, 0, 337)), read_sexpr((0x560c892e10d0), [:, 'Z', 'Nat']), assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1970538, _1970540, _1970542, _1970544, _1970546))
^  Exit: (177) [user] retract(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _373820)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976194))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976194))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976194)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1978994))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1978994)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1978994)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==[_1985514, _1985520]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1990148, _1990150)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], _1993890)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], _1993890, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", _1995770)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==[_2000412, _2000418]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"=_1995770
   Exit: (190) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
   Call: (189) [apply] apply:maplist_([35, 0], _1995772, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(35, _2014292)
   Call: (191) [system] var(35)
   Call: (191) [system] atom(35)
   Call: (191) [system] 35==true
   Call: (191) [system] 35==false
   Call: (191) [system] 35==[_2018934, _2018940]
   Call: (191) [system] is_list(35)
   Call: (191) [system] string(35)
   Call: (191) [system] compound(35)
^  Call: (191) [user] symbol(35)
   Call: (192) [system] atom(35)
   Fail: (192) [system] atom(35)
^  Fail: (191) [user] symbol(35)
   Call: (191) [system] 35=_2014292
   Exit: (191) [system] 35=35
^  Exit: (190) [user] mfix_vars1(35, 35)
   Call: (190) [apply] apply:maplist_([0], _2014294, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2030058)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2034700, _2034706]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2030058
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2030060, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([35, 0], [35, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] compound_name_arguments(_1978994, '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2058876))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2058876))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2058876)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2061676))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2061676)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2061676)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1973378)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2075634))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2075634)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2075634)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1729639320_140374, 14)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639320.357203)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639320.357203-1729639320.1364253
   Exit: (173) [system] 0.2207777500152588 is 1729639320.357203-1729639320.1364253
   Call: (173) [system] 0.2207777500152588>4
   Fail: (173) [system] 0.2207777500152588>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 1)
   Call: (175) [system] atom(1+1)
   Call: (175) [system] set_flag(translated_forms, 2)
   Exit: (175) [system] set_flag(translated_forms, 2)
   Exit: (174) [$syspreds] update_flag(translated_forms, 1, 1+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 1, 1+1))
   Exit: (171) [$syspreds] flag(translated_forms, 1, 1+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1729639320_140374, 14)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1729639320_140374, 14)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 1, 1+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1729639320_140374, 14)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 15)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 15))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 15))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _56730)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _64152)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _72490)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _75276=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _77144, _77146, _77148, _77150), read_sexpr((0x560c892e10d0), _77162), assertz(metta_file_comment(_77144, _77146, _77148, _77162, _77150))))
^  Call: (179) [user] read_position((0x560c892e10d0), _77144, _77146, _77148, _77150)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_77150))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_77150))
   Exit: (181) [system] nonvar(position(_77150))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(347, 16, 0, 347)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), _77144)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _87402)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), _77144)
   Exit: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), 16)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), 16)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), _77146)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _94836)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), _77146)
   Exit: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), _77148)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _102270)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), _77148)
   Exit: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), 347)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), 347)
^  Exit: (179) [user] read_position((0x560c892e10d0), 16, 0, 347, '$stream_position'(347, 16, 0, 347))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _77162)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _77162)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _112496)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _128506)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _77162)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _134076)
   Exit: (183) [system] peek_char((0x560c892e10d0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _150086)
   Exit: (182) [system] peek_char((0x560c892e10d0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _155656)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _157514)
   Exit: (184) [system] peek_char((0x560c892e10d0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _173524)
   Exit: (183) [system] get_char((0x560c892e10d0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), :, _155656)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _191166)
   Call: (185) [system] peek_char((0x560c892e10d0), _192100)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _191166=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _155656)
^  Call: (185) [user] classify_and_convert_charseq_([:], _201384)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_202336, _202338), once(user:catch(read_from_chars([:], _201384), _202318, fail)), '$restore_trace'(_202336, _202338))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_202336, _202338))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _202318, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _155656=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _214464)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _216322)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _225916)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _228620)
   Exit: (185) [system] peek_char((0x560c892e10d0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _245554)
   Exit: (183) [system] peek_char((0x560c892e10d0), 'S')
   Call: (183) [system] 'S'=')'
   Fail: (183) [system] 'S'=')'
   Call: (183) [system] 'S'=end_of_file
   Fail: (183) [system] 'S'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _251124)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _252982)
   Exit: (185) [system] peek_char((0x560c892e10d0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _268992)
   Exit: (184) [system] get_char((0x560c892e10d0), 'S')
   Call: (184) [system] 'S'='('
   Fail: (184) [system] 'S'='('
   Call: (184) [system] 'S'='['
   Fail: (184) [system] 'S'='['
   Call: (184) [system] 'S'='{'
   Fail: (184) [system] 'S'='{'
   Call: (184) [system] 'S'='"'
   Fail: (184) [system] 'S'='"'
   Call: (184) [system] 'S'=!
   Fail: (184) [system] 'S'=!
   Call: (184) [system] 'S'='\''
   Fail: (184) [system] 'S'='\''
   Call: (184) [system] 'S'='`'
   Fail: (184) [system] 'S'='`'
   Call: (184) [system] 'S'=end_of_file
   Fail: (184) [system] 'S'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x560c892e10d0), 'S', _251124)
^  Call: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), _286634)
   Call: (186) [system] peek_char((0x560c892e10d0), _287568)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _286634=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (185) [user] classify_and_convert_charseq(['S'], _251124)
^  Call: (186) [user] classify_and_convert_charseq_(['S'], _296852)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_297804, _297806), once(user:catch(read_from_chars(['S'], _296852), _297786, fail)), '$restore_trace'(_297804, _297806))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_297804, _297806))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _296852), _297786, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_296852)
   Fail: (187) [system] atomic(_296852)
   Call: (187) [system] atom_chars(_296852, ['S'])
   Exit: (187) [system] atom_chars('S', ['S'])
^  Exit: (186) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (186) [system] integer('S')
   Fail: (186) [system] integer('S')
   Call: (186) [system] _251124='S'
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (184) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _311802)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _313660)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _323254)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _325958)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _342892)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _348462)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _350320)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _366330)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _348462)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _371900)
   Exit: (187) [system] peek_char((0x560c892e10d0), -)
   Call: (187) [system] (-)=(;)
   Fail: (187) [system] (-)=(;)
   Call: (187) [system] (-)=(/)
   Fail: (187) [system] (-)=(/)
^  Call: (187) [user] is_like_space(-)
   Call: (188) [system] char_type(-, 'white')
   Fail: (188) [system] char_type(-, 'white')
   Call: (188) [system] char_type(-, end_of_line)
   Fail: (188) [system] char_type(-, end_of_line)
   Call: (188) [system] char_type(-, space)
   Fail: (188) [system] char_type(-, space)
   Call: (188) [system] char_type(-, cntrl)
   Fail: (188) [system] char_type(-, cntrl)
^  Fail: (187) [user] is_like_space(-)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _387910)
   Exit: (186) [system] peek_char((0x560c892e10d0), -)
   Call: (186) [system] (-)=')'
   Fail: (186) [system] (-)=')'
   Call: (186) [system] (-)=end_of_file
   Fail: (186) [system] (-)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _393480)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _395338)
   Exit: (188) [system] peek_char((0x560c892e10d0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _411348)
   Exit: (187) [system] get_char((0x560c892e10d0), -)
   Call: (187) [system] (-)='('
   Fail: (187) [system] (-)='('
   Call: (187) [system] (-)='['
   Fail: (187) [system] (-)='['
   Call: (187) [system] (-)='{'
   Fail: (187) [system] (-)='{'
   Call: (187) [system] (-)='"'
   Fail: (187) [system] (-)='"'
   Call: (187) [system] (-)=!
   Fail: (187) [system] (-)=!
   Call: (187) [system] (-)='\''
   Fail: (187) [system] (-)='\''
   Call: (187) [system] (-)='`'
   Fail: (187) [system] (-)='`'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), -, _393480)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _428990)
   Call: (189) [system] peek_char((0x560c892e10d0), _429924)
   Exit: (189) [system] peek_char((0x560c892e10d0), >)
^  Call: (189) [user] is_delimiter(>)
   Call: (190) [system] char_type(>, space)
   Fail: (190) [system] char_type(>, space)
   Call: (190) [system] arg(_434644, v('(', ')', end_of_file), >)
   Fail: (190) [system] arg(_435576, v('(', ')', end_of_file), >)
^  Fail: (189) [user] is_delimiter(>)
   Call: (189) [system] ')'==(>)
   Fail: (189) [system] ')'==(>)
   Call: (189) [system] get_char((0x560c892e10d0), >)
   Exit: (189) [system] get_char((0x560c892e10d0), >)
   Call: (189) [system] (>)=(\)
   Fail: (189) [system] (>)=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _442926)
   Call: (190) [system] peek_char((0x560c892e10d0), _443860)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _442926=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (189) [system] _428990=[>]
   Exit: (189) [system] [>]=[>]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (188) [user] classify_and_convert_charseq([-, >], _393480)
^  Call: (189) [user] classify_and_convert_charseq_([-, >], _455938)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_456890, _456892), once(user:catch(read_from_chars([-, >], _455938), _456872, fail)), '$restore_trace'(_456890, _456892))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_456890, _456892))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _456872, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (189) [system] integer(->)
   Fail: (189) [system] integer(->)
   Call: (189) [system] _393480=(->)
   Exit: (189) [system] (->)=(->)
^  Exit: (188) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _469018)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _470876)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _480470)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _483174)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _500108)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'N')
   Call: (187) [system] 'N'=')'
   Fail: (187) [system] 'N'=')'
   Call: (187) [system] 'N'=end_of_file
   Fail: (187) [system] 'N'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _505678)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _507536)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _523546)
   Exit: (188) [system] get_char((0x560c892e10d0), 'N')
   Call: (188) [system] 'N'='('
   Fail: (188) [system] 'N'='('
   Call: (188) [system] 'N'='['
   Fail: (188) [system] 'N'='['
   Call: (188) [system] 'N'='{'
   Fail: (188) [system] 'N'='{'
   Call: (188) [system] 'N'='"'
   Fail: (188) [system] 'N'='"'
   Call: (188) [system] 'N'=!
   Fail: (188) [system] 'N'=!
   Call: (188) [system] 'N'='\''
   Fail: (188) [system] 'N'='\''
   Call: (188) [system] 'N'='`'
   Fail: (188) [system] 'N'='`'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'N', _505678)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _541188)
   Call: (190) [system] peek_char((0x560c892e10d0), _542122)
   Exit: (190) [system] peek_char((0x560c892e10d0), a)
^  Call: (190) [user] is_delimiter(a)
   Call: (191) [system] char_type(a, space)
   Fail: (191) [system] char_type(a, space)
   Call: (191) [system] arg(_546842, v('(', ')', end_of_file), a)
   Fail: (191) [system] arg(_547774, v('(', ')', end_of_file), a)
^  Fail: (190) [user] is_delimiter(a)
   Call: (190) [system] ')'==a
   Fail: (190) [system] ')'==a
   Call: (190) [system] get_char((0x560c892e10d0), a)
   Exit: (190) [system] get_char((0x560c892e10d0), a)
   Call: (190) [system] a=(\)
   Fail: (190) [system] a=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _555124)
   Call: (191) [system] peek_char((0x560c892e10d0), _556058)
   Exit: (191) [system] peek_char((0x560c892e10d0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_560778, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_561710, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x560c892e10d0), t)
   Exit: (191) [system] get_char((0x560c892e10d0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _569060)
   Call: (192) [system] peek_char((0x560c892e10d0), _569994)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _569060=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _555124=[t]
   Exit: (191) [system] [t]=[t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (190) [system] _541188=[a, t]
   Exit: (190) [system] [a, t]=[a, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t])
^  Call: (189) [user] classify_and_convert_charseq(['N', a, t], _505678)
^  Call: (190) [user] classify_and_convert_charseq_(['N', a, t], _584866)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_585818, _585820), once(user:catch(read_from_chars(['N', a, t], _584866), _585800, fail)), '$restore_trace'(_585818, _585820))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_585818, _585820))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _584866), _585800, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_584866)
   Fail: (191) [system] atomic(_584866)
   Call: (191) [system] atom_chars(_584866, ['N', a, t])
   Exit: (191) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (190) [system] integer('Nat')
   Fail: (190) [system] integer('Nat')
   Call: (190) [system] _505678='Nat'
   Exit: (190) [system] 'Nat'='Nat'
^  Exit: (189) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'Nat')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'Nat')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _599816)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _601674)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _611268)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _613972)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _630906)
   Exit: (188) [system] peek_char((0x560c892e10d0), 'N')
   Call: (188) [system] 'N'=')'
   Fail: (188) [system] 'N'=')'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _636476)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _638334)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _654344)
   Exit: (189) [system] get_char((0x560c892e10d0), 'N')
   Call: (189) [system] 'N'='('
   Fail: (189) [system] 'N'='('
   Call: (189) [system] 'N'='['
   Fail: (189) [system] 'N'='['
   Call: (189) [system] 'N'='{'
   Fail: (189) [system] 'N'='{'
   Call: (189) [system] 'N'='"'
   Fail: (189) [system] 'N'='"'
   Call: (189) [system] 'N'=!
   Fail: (189) [system] 'N'=!
   Call: (189) [system] 'N'='\''
   Fail: (189) [system] 'N'='\''
   Call: (189) [system] 'N'='`'
   Fail: (189) [system] 'N'='`'
   Call: (189) [system] 'N'=end_of_file
   Fail: (189) [system] 'N'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), 'N', _636476)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _671986)
   Call: (191) [system] peek_char((0x560c892e10d0), _672920)
   Exit: (191) [system] peek_char((0x560c892e10d0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_677640, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_678572, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x560c892e10d0), a)
   Exit: (191) [system] get_char((0x560c892e10d0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _685922)
   Call: (192) [system] peek_char((0x560c892e10d0), _686856)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_691576, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_692508, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _699858)
   Call: (193) [system] peek_char((0x560c892e10d0), _700792)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
^  Call: (193) [user] is_delimiter(')')
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] arg(_705512, v('(', ')', end_of_file), ')')
   Exit: (194) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (193) [user] is_delimiter(')')
   Call: (193) [system] _699858=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _685922=[t]
   Exit: (192) [system] [t]=[t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (191) [system] _671986=[a, t]
   Exit: (191) [system] [a, t]=[a, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t])
^  Call: (190) [user] classify_and_convert_charseq(['N', a, t], _636476)
^  Call: (191) [user] classify_and_convert_charseq_(['N', a, t], _717536)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_718488, _718490), once(user:catch(read_from_chars(['N', a, t], _717536), _718470, fail)), '$restore_trace'(_718488, _718490))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_718488, _718490))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _717536), _718470, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_717536)
   Fail: (192) [system] atomic(_717536)
   Call: (192) [system] atom_chars(_717536, ['N', a, t])
   Exit: (192) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (191) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (191) [system] integer('Nat')
   Fail: (191) [system] integer('Nat')
   Call: (191) [system] _636476='Nat'
   Exit: (191) [system] 'Nat'='Nat'
^  Exit: (190) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'Nat')
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), 'Nat')
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _732486)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _734344)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _750354)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _754144)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _732486=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _599816=['Nat']
   Exit: (188) [system] ['Nat']=['Nat']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), ['Nat'])
   Call: (187) [system] _469018=['Nat', 'Nat']
   Exit: (187) [system] ['Nat', 'Nat']=['Nat', 'Nat']
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['Nat', 'Nat'])
   Call: (186) [system] _348462=[->, 'Nat', 'Nat']
   Exit: (186) [system] [->, 'Nat', 'Nat']=[->, 'Nat', 'Nat']
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [->, 'Nat', 'Nat'])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [->, 'Nat', 'Nat'])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _768026)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _769884)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _785894)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _789684)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _768026=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _311802=[[->, 'Nat', 'Nat']]
   Exit: (184) [system] [[->, 'Nat', 'Nat']]=[[->, 'Nat', 'Nat']]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[->, 'Nat', 'Nat']])
   Call: (183) [system] _214464=['S', [->, 'Nat', 'Nat']]
   Exit: (183) [system] ['S', [->, 'Nat', 'Nat']]=['S', [->, 'Nat', 'Nat']]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), ['S', [->, 'Nat', 'Nat']])
   Call: (182) [system] _77162=[:, 'S', [->, 'Nat', 'Nat']]
   Exit: (182) [system] [:, 'S', [->, 'Nat', 'Nat']]=[:, 'S', [->, 'Nat', 'Nat']]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [:, 'S', [->, 'Nat', 'Nat']])
^  Call: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 16, 0, 347, '$stream_position'(347, 16, 0, 347)), read_sexpr((0x560c892e10d0), [:, 'S', [->, 'Nat', 'Nat']]), assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_808202, _808204, _808206, _808208, _808210))
^  Exit: (177) [user] retract(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _813866))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _813866))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _813866)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _816666))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _816666)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _816666)
   Call: (187) [system] var('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] atom('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==true
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==false
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==[_823186, _823192]
   Call: (187) [system] is_list('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] string('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _827820, _827822)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _831562)
   Call: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _831562, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _833442)
   Call: (190) [system] var(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==[_838084, _838090]
   Call: (190) [system] is_list(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=_833442
   Exit: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([36, 0], _833444, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(36, _851964)
   Call: (191) [system] var(36)
   Call: (191) [system] atom(36)
   Call: (191) [system] 36==true
   Call: (191) [system] 36==false
   Call: (191) [system] 36==[_856606, _856612]
   Call: (191) [system] is_list(36)
   Call: (191) [system] string(36)
   Call: (191) [system] compound(36)
^  Call: (191) [user] symbol(36)
   Call: (192) [system] atom(36)
   Fail: (192) [system] atom(36)
^  Fail: (191) [user] symbol(36)
   Call: (191) [system] 36=_851964
   Exit: (191) [system] 36=36
^  Exit: (190) [user] mfix_vars1(36, 36)
   Call: (190) [apply] apply:maplist_([0], _851966, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _867730)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_872372, _872378]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_867730
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _867732, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([36, 0], [36, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] compound_name_arguments(_816666, '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _896548))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _896548))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _896548)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _899348))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _899348)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _899348)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811050)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _913306))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _913306)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _913306)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (178) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1729639320_140374, 15)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639320.4568381)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639320.4568381-1729639320.1364253
   Exit: (173) [system] 0.32041287422180176 is 1729639320.4568381-1729639320.1364253
   Call: (173) [system] 0.32041287422180176>4
   Fail: (173) [system] 0.32041287422180176>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 2)
   Call: (175) [system] atom(2+1)
   Call: (175) [system] set_flag(translated_forms, 3)
   Exit: (175) [system] set_flag(translated_forms, 3)
   Exit: (174) [$syspreds] update_flag(translated_forms, 2, 2+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 2, 2+1))
   Exit: (171) [$syspreds] flag(translated_forms, 2, 2+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1729639320_140374, 15)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1729639320_140374, 15)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 2, 2+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1729639320_140374, 15)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 16)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 16))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 16))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _988090)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _995512)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _1002934)
   Exit: (176) [system] peek_char((0x560c892e10d0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _1011272)
   Exit: (178) [system] peek_char((0x560c892e10d0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _1014058=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _1015926, _1015928, _1015930, _1015932), read_sexpr((0x560c892e10d0), _1015944), assertz(metta_file_comment(_1015926, _1015928, _1015930, _1015944, _1015932))))
^  Call: (180) [user] read_position((0x560c892e10d0), _1015926, _1015928, _1015930, _1015932)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_1015932))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_1015932))
   Exit: (182) [system] nonvar(position(_1015932))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(367, 18, 0, 367)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1015926)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1026184)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1015926)
   Exit: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1015928)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1033618)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1015928)
   Exit: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1015930)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1041052)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1015930)
   Exit: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (180) [user] read_position((0x560c892e10d0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _1015944)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _1015944)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1051278)
   Exit: (183) [system] peek_char((0x560c892e10d0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (184) [user] read_position((0x560c892e10d0), _1055916, _1055918, _1055920, _1055922)
   Call: (185) [system] stream_property((0x560c892e10d0), position(_1055922))
   Call: (186) [system] nonvar((0x560c892e10d0))
   Exit: (186) [system] nonvar((0x560c892e10d0))
   Call: (186) [system] nonvar(position(_1055922))
   Exit: (186) [system] nonvar(position(_1055922))
   Exit: (185) [system] stream_property((0x560c892e10d0), position('$stream_position'(367, 18, 0, 367)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1055916)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _1065210)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1055916)
   Exit: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1055918)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _1072644)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1055918)
   Exit: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1055920)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _1080078)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1055920)
   Exit: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (184) [user] read_position((0x560c892e10d0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
   Call: (184) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1085672)
   Call: (185) [system] read_string((0x560c892e10d0), '\n', '\r', _1086602, _1086604)
   Exit: (185) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Enumerate all programs up to a given depth that are consistent with")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _1085672=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (185) [system] ";; Enumerate all programs up to a given depth that are consistent with"=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (184) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Enumerate all programs up to a given depth that are consistent with")
^  Call: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (183) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1096876)
   Exit: (184) [system] peek_char((0x560c892e10d0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (185) [user] read_position((0x560c892e10d0), _1101514, _1101516, _1101518, _1101520)
   Call: (186) [system] stream_property((0x560c892e10d0), position(_1101520))
   Call: (187) [system] nonvar((0x560c892e10d0))
   Exit: (187) [system] nonvar((0x560c892e10d0))
   Call: (187) [system] nonvar(position(_1101520))
   Exit: (187) [system] nonvar(position(_1101520))
   Exit: (186) [system] stream_property((0x560c892e10d0), position('$stream_position'(438, 19, 0, 438)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), _1101514)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1110808)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), _1101514)
   Exit: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), 19)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), 19)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), _1101516)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1118242)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), _1101516)
   Exit: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), _1101518)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1125676)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), _1101518)
   Exit: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), 438)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), 438)
^  Exit: (185) [user] read_position((0x560c892e10d0), 19, 0, 438, '$stream_position'(438, 19, 0, 438))
   Call: (185) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1131270)
   Call: (186) [system] read_string((0x560c892e10d0), '\n', '\r', _1132200, _1132202)
   Exit: (186) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; the query")
   Call: (186) [system] 10\== -1
   Exit: (186) [system] 10\== -1
   Call: (186) [system] _1131270=";; the query"
   Exit: (186) [system] ";; the query"=";; the query"
   Exit: (185) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; the query")
^  Call: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (184) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1142460)
   Exit: (185) [system] peek_char((0x560c892e10d0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (186) [user] read_position((0x560c892e10d0), _1147098, _1147100, _1147102, _1147104)
   Call: (187) [system] stream_property((0x560c892e10d0), position(_1147104))
   Call: (188) [system] nonvar((0x560c892e10d0))
   Exit: (188) [system] nonvar((0x560c892e10d0))
   Call: (188) [system] nonvar(position(_1147104))
   Exit: (188) [system] nonvar(position(_1147104))
   Exit: (187) [system] stream_property((0x560c892e10d0), position('$stream_position'(451, 20, 0, 451)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), _1147098)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _1156392)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), _1147098)
   Exit: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), 20)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), 20)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), _1147100)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _1163826)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), _1147100)
   Exit: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), _1147102)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _1171260)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), _1147102)
   Exit: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), 451)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), 451)
^  Exit: (186) [user] read_position((0x560c892e10d0), 20, 0, 451, '$stream_position'(451, 20, 0, 451))
   Call: (186) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1176854)
   Call: (187) [system] read_string((0x560c892e10d0), '\n', '\r', _1177784, _1177786)
   Exit: (187) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;\t\t using the given axiom non-deterministic functions and rules.")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _1176854=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (187) [system] ";;\t\t using the given axiom non-deterministic functions and rules."=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (186) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Call: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (185) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1188058)
   Exit: (186) [system] peek_char((0x560c892e10d0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (187) [user] read_position((0x560c892e10d0), _1192696, _1192698, _1192700, _1192702)
   Call: (188) [system] stream_property((0x560c892e10d0), position(_1192702))
   Call: (189) [system] nonvar((0x560c892e10d0))
   Exit: (189) [system] nonvar((0x560c892e10d0))
   Call: (189) [system] nonvar(position(_1192702))
   Exit: (189) [system] nonvar(position(_1192702))
   Exit: (188) [system] stream_property((0x560c892e10d0), position('$stream_position'(517, 21, 0, 517)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), _1192696)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _1201990)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), _1192696)
   Exit: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), 21)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), 21)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), _1192698)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _1209424)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), _1192698)
   Exit: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), _1192700)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _1216858)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), _1192700)
   Exit: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), 517)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), 517)
^  Exit: (187) [user] read_position((0x560c892e10d0), 21, 0, 517, '$stream_position'(517, 21, 0, 517))
   Call: (187) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1222452)
   Call: (188) [system] read_string((0x560c892e10d0), '\n', '\r', _1223382, _1223384)
   Exit: (188) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _1222452=";;"
   Exit: (188) [system] ";;"=";;"
   Exit: (187) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (186) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1233640)
   Exit: (187) [system] peek_char((0x560c892e10d0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (188) [user] read_position((0x560c892e10d0), _1238278, _1238280, _1238282, _1238284)
   Call: (189) [system] stream_property((0x560c892e10d0), position(_1238284))
   Call: (190) [system] nonvar((0x560c892e10d0))
   Exit: (190) [system] nonvar((0x560c892e10d0))
   Call: (190) [system] nonvar(position(_1238284))
   Exit: (190) [system] nonvar(position(_1238284))
   Exit: (189) [system] stream_property((0x560c892e10d0), position('$stream_position'(520, 22, 0, 520)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), _1238278)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _1247572)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), _1238278)
   Exit: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), 22)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), 22)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), _1238280)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _1255006)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), _1238280)
   Exit: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), _1238282)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _1262440)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), _1238282)
   Exit: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), 520)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), 520)
^  Exit: (188) [user] read_position((0x560c892e10d0), 22, 0, 520, '$stream_position'(520, 22, 0, 520))
   Call: (188) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1268034)
   Call: (189) [system] read_string((0x560c892e10d0), '\n', '\r', _1268964, _1268966)
   Exit: (189) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; The arguments are:")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _1268034=";; The arguments are:"
   Exit: (189) [system] ";; The arguments are:"=";; The arguments are:"
   Exit: (188) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; The arguments are:")
^  Call: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (187) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1279226)
   Exit: (188) [system] peek_char((0x560c892e10d0), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (189) [user] read_position((0x560c892e10d0), _1283864, _1283866, _1283868, _1283870)
   Call: (190) [system] stream_property((0x560c892e10d0), position(_1283870))
   Call: (191) [system] nonvar((0x560c892e10d0))
   Exit: (191) [system] nonvar((0x560c892e10d0))
   Call: (191) [system] nonvar(position(_1283870))
   Exit: (191) [system] nonvar(position(_1283870))
   Exit: (190) [system] stream_property((0x560c892e10d0), position('$stream_position'(542, 23, 0, 542)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), _1283864)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _1293158)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), _1283864)
   Exit: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), 23)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), 23)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), _1283866)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _1300592)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), _1283866)
   Exit: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), _1283868)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _1308026)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), _1283868)
   Exit: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), 542)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), 542)
^  Exit: (189) [user] read_position((0x560c892e10d0), 23, 0, 542, '$stream_position'(542, 23, 0, 542))
   Call: (189) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1313620)
   Call: (190) [system] read_string((0x560c892e10d0), '\n', '\r', _1314550, _1314552)
   Exit: (190) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (190) [system] 10\== -1
   Exit: (190) [system] 10\== -1
   Call: (190) [system] _1313620=";;"
   Exit: (190) [system] ";;"=";;"
   Exit: (189) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (188) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1324808)
   Exit: (189) [system] peek_char((0x560c892e10d0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (190) [user] read_position((0x560c892e10d0), _1329446, _1329448, _1329450, _1329452)
   Call: (191) [system] stream_property((0x560c892e10d0), position(_1329452))
   Call: (192) [system] nonvar((0x560c892e10d0))
   Exit: (192) [system] nonvar((0x560c892e10d0))
   Call: (192) [system] nonvar(position(_1329452))
   Exit: (192) [system] nonvar(position(_1329452))
   Exit: (191) [system] stream_property((0x560c892e10d0), position('$stream_position'(545, 24, 0, 545)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), _1329446)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _1338740)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), _1329446)
   Exit: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), 24)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), 24)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), _1329448)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _1346174)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), _1329448)
   Exit: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), _1329450)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _1353608)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), _1329450)
   Exit: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), 545)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), 545)
^  Exit: (190) [user] read_position((0x560c892e10d0), 24, 0, 545, '$stream_position'(545, 24, 0, 545))
   Call: (190) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1359202)
   Call: (191) [system] read_string((0x560c892e10d0), '\n', '\r', _1360132, _1360134)
   Exit: (191) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _1359202=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (191) [system] ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (190) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Call: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (189) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1370406)
   Exit: (190) [system] peek_char((0x560c892e10d0), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (191) [user] read_position((0x560c892e10d0), _1375044, _1375046, _1375048, _1375050)
   Call: (192) [system] stream_property((0x560c892e10d0), position(_1375050))
   Call: (193) [system] nonvar((0x560c892e10d0))
   Exit: (193) [system] nonvar((0x560c892e10d0))
   Call: (193) [system] nonvar(position(_1375050))
   Exit: (193) [system] nonvar(position(_1375050))
   Exit: (192) [system] stream_property((0x560c892e10d0), position('$stream_position'(616, 25, 0, 616)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), _1375044)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _1384338)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), _1375044)
   Exit: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), 25)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), 25)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), _1375046)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _1391772)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), _1375046)
   Exit: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), _1375048)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _1399206)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), _1375048)
   Exit: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), 616)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), 616)
^  Exit: (191) [user] read_position((0x560c892e10d0), 25, 0, 616, '$stream_position'(616, 25, 0, 616))
   Call: (191) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1404800)
   Call: (192) [system] read_string((0x560c892e10d0), '\n', '\r', _1405730, _1405732)
   Exit: (192) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         free variables within TERM and TYPE to form various sort of")
   Call: (192) [system] 10\== -1
   Exit: (192) [system] 10\== -1
   Call: (192) [system] _1404800=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (192) [system] ";;         free variables within TERM and TYPE to form various sort of"=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (191) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         free variables within TERM and TYPE to form various sort of")
^  Call: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (190) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1416004)
   Exit: (191) [system] peek_char((0x560c892e10d0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (192) [user] read_position((0x560c892e10d0), _1420642, _1420644, _1420646, _1420648)
   Call: (193) [system] stream_property((0x560c892e10d0), position(_1420648))
   Call: (194) [system] nonvar((0x560c892e10d0))
   Exit: (194) [system] nonvar((0x560c892e10d0))
   Call: (194) [system] nonvar(position(_1420648))
   Exit: (194) [system] nonvar(position(_1420648))
   Exit: (193) [system] stream_property((0x560c892e10d0), position('$stream_position'(687, 26, 0, 687)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), _1420642)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1429936)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), _1420642)
   Exit: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), 26)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), 26)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), _1420644)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1437370)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), _1420644)
   Exit: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), _1420646)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1444804)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), _1420646)
   Exit: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), 687)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), 687)
^  Exit: (192) [user] read_position((0x560c892e10d0), 26, 0, 687, '$stream_position'(687, 26, 0, 687))
   Call: (192) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1450398)
   Call: (193) [system] read_string((0x560c892e10d0), '\n', '\r', _1451328, _1451330)
   Exit: (193) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         queries")
   Call: (193) [system] 10\== -1
   Exit: (193) [system] 10\== -1
   Call: (193) [system] _1450398=";;         queries"
   Exit: (193) [system] ";;         queries"=";;         queries"
   Exit: (192) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         queries")
^  Call: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (191) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1461590)
   Exit: (192) [system] peek_char((0x560c892e10d0), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (193) [user] read_position((0x560c892e10d0), _1466228, _1466230, _1466232, _1466234)
   Call: (194) [system] stream_property((0x560c892e10d0), position(_1466234))
   Call: (195) [system] nonvar((0x560c892e10d0))
   Exit: (195) [system] nonvar((0x560c892e10d0))
   Call: (195) [system] nonvar(position(_1466234))
   Exit: (195) [system] nonvar(position(_1466234))
   Exit: (194) [system] stream_property((0x560c892e10d0), position('$stream_position'(706, 27, 0, 706)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), _1466228)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _1475522)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), _1466228)
   Exit: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), 27)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), 27)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), _1466230)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _1482956)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), _1466230)
   Exit: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), _1466232)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _1490390)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), _1466232)
   Exit: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), 706)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), 706)
^  Exit: (193) [user] read_position((0x560c892e10d0), 27, 0, 706, '$stream_position'(706, 27, 0, 706))
   Call: (193) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1495984)
   Call: (194) [system] read_string((0x560c892e10d0), '\n', '\r', _1496914, _1496916)
   Exit: (194) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;\t\t such as:")
   Call: (194) [system] 10\== -1
   Exit: (194) [system] 10\== -1
   Call: (194) [system] _1495984=";;\t\t such as:"
   Exit: (194) [system] ";;\t\t such as:"=";;\t\t such as:"
   Exit: (193) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;\t\t such as:")
^  Call: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (192) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1507174)
   Exit: (193) [system] peek_char((0x560c892e10d0), ;)
   Call: (193) [system] (;)=(;)
   Exit: (193) [system] (;)=(;)
^  Call: (193) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (194) [user] read_position((0x560c892e10d0), _1511812, _1511814, _1511816, _1511818)
   Call: (195) [system] stream_property((0x560c892e10d0), position(_1511818))
   Call: (196) [system] nonvar((0x560c892e10d0))
   Exit: (196) [system] nonvar((0x560c892e10d0))
   Call: (196) [system] nonvar(position(_1511818))
   Exit: (196) [system] nonvar(position(_1511818))
   Exit: (195) [system] stream_property((0x560c892e10d0), position('$stream_position'(720, 28, 0, 720)))
   Call: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), _1511812)
   Call: (196) [system] nonvar(line_count)
   Exit: (196) [system] nonvar(line_count)
   Call: (196) [$syspreds] stream_position_field(line_count, _1521106)
   Exit: (196) [$syspreds] stream_position_field(line_count, 2)
   Call: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), _1511812)
   Exit: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), 28)
   Exit: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), 28)
   Call: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), _1511814)
   Call: (196) [system] nonvar(line_position)
   Exit: (196) [system] nonvar(line_position)
   Call: (196) [$syspreds] stream_position_field(line_position, _1528540)
   Exit: (196) [$syspreds] stream_position_field(line_position, 3)
   Call: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), _1511814)
   Exit: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), 0)
   Exit: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), 0)
   Call: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), _1511816)
   Call: (196) [system] nonvar(char_count)
   Exit: (196) [system] nonvar(char_count)
   Call: (196) [$syspreds] stream_position_field(char_count, _1535974)
   Exit: (196) [$syspreds] stream_position_field(char_count, 1)
   Call: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), _1511816)
   Exit: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), 720)
   Exit: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), 720)
^  Exit: (194) [user] read_position((0x560c892e10d0), 28, 0, 720, '$stream_position'(720, 28, 0, 720))
   Call: (194) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1541568)
   Call: (195) [system] read_string((0x560c892e10d0), '\n', '\r', _1542498, _1542500)
   Exit: (195) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (195) [system] 10\== -1
   Exit: (195) [system] 10\== -1
   Call: (195) [system] _1541568=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (195) [system] ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (194) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Call: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (193) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1552772)
   Exit: (194) [system] peek_char((0x560c892e10d0), ;)
   Call: (194) [system] (;)=(;)
   Exit: (194) [system] (;)=(;)
^  Call: (194) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (195) [user] read_position((0x560c892e10d0), _1557410, _1557412, _1557414, _1557416)
   Call: (196) [system] stream_property((0x560c892e10d0), position(_1557416))
   Call: (197) [system] nonvar((0x560c892e10d0))
   Exit: (197) [system] nonvar((0x560c892e10d0))
   Call: (197) [system] nonvar(position(_1557416))
   Exit: (197) [system] nonvar(position(_1557416))
   Exit: (196) [system] stream_property((0x560c892e10d0), position('$stream_position'(787, 29, 0, 787)))
   Call: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), _1557410)
   Call: (197) [system] nonvar(line_count)
   Exit: (197) [system] nonvar(line_count)
   Call: (197) [$syspreds] stream_position_field(line_count, _1566704)
   Exit: (197) [$syspreds] stream_position_field(line_count, 2)
   Call: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), _1557410)
   Exit: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), 29)
   Exit: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), 29)
   Call: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), _1557412)
   Call: (197) [system] nonvar(line_position)
   Exit: (197) [system] nonvar(line_position)
   Call: (197) [$syspreds] stream_position_field(line_position, _1574138)
   Exit: (197) [$syspreds] stream_position_field(line_position, 3)
   Call: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), _1557412)
   Exit: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), 0)
   Exit: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), 0)
   Call: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), _1557414)
   Call: (197) [system] nonvar(char_count)
   Exit: (197) [system] nonvar(char_count)
   Call: (197) [$syspreds] stream_position_field(char_count, _1581572)
   Exit: (197) [$syspreds] stream_position_field(char_count, 1)
   Call: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), _1557414)
   Exit: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), 787)
   Exit: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), 787)
^  Exit: (195) [user] read_position((0x560c892e10d0), 29, 0, 787, '$stream_position'(787, 29, 0, 787))
   Call: (195) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1587166)
   Call: (196) [system] read_string((0x560c892e10d0), '\n', '\r', _1588096, _1588098)
   Exit: (196) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (196) [system] 10\== -1
   Exit: (196) [system] 10\== -1
   Call: (196) [system] _1587166=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (196) [system] ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (195) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Call: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (194) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1598370)
   Exit: (195) [system] peek_char((0x560c892e10d0), ;)
   Call: (195) [system] (;)=(;)
   Exit: (195) [system] (;)=(;)
^  Call: (195) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (196) [user] read_position((0x560c892e10d0), _1603008, _1603010, _1603012, _1603014)
   Call: (197) [system] stream_property((0x560c892e10d0), position(_1603014))
   Call: (198) [system] nonvar((0x560c892e10d0))
   Exit: (198) [system] nonvar((0x560c892e10d0))
   Call: (198) [system] nonvar(position(_1603014))
   Exit: (198) [system] nonvar(position(_1603014))
   Exit: (197) [system] stream_property((0x560c892e10d0), position('$stream_position'(852, 30, 0, 852)))
   Call: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), _1603008)
   Call: (198) [system] nonvar(line_count)
   Exit: (198) [system] nonvar(line_count)
   Call: (198) [$syspreds] stream_position_field(line_count, _1612302)
   Exit: (198) [$syspreds] stream_position_field(line_count, 2)
   Call: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), _1603008)
   Exit: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), 30)
   Exit: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), 30)
   Call: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), _1603010)
   Call: (198) [system] nonvar(line_position)
   Exit: (198) [system] nonvar(line_position)
   Call: (198) [$syspreds] stream_position_field(line_position, _1619736)
   Exit: (198) [$syspreds] stream_position_field(line_position, 3)
   Call: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), _1603010)
   Exit: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), 0)
   Exit: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), 0)
   Call: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), _1603012)
   Call: (198) [system] nonvar(char_count)
   Exit: (198) [system] nonvar(char_count)
   Call: (198) [$syspreds] stream_position_field(char_count, _1627170)
   Exit: (198) [$syspreds] stream_position_field(char_count, 1)
   Call: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), _1603012)
   Exit: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), 852)
   Exit: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), 852)
^  Exit: (196) [user] read_position((0x560c892e10d0), 30, 0, 852, '$stream_position'(852, 30, 0, 852))
   Call: (196) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1632764)
   Call: (197) [system] read_string((0x560c892e10d0), '\n', '\r', _1633694, _1633696)
   Exit: (197) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (197) [system] 10\== -1
   Exit: (197) [system] 10\== -1
   Call: (197) [system] _1632764=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (197) [system] ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (196) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Call: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (195) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1643972)
   Exit: (196) [system] peek_char((0x560c892e10d0), ;)
   Call: (196) [system] (;)=(;)
   Exit: (196) [system] (;)=(;)
^  Call: (196) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (197) [user] read_position((0x560c892e10d0), _1648610, _1648612, _1648614, _1648616)
   Call: (198) [system] stream_property((0x560c892e10d0), position(_1648616))
   Call: (199) [system] nonvar((0x560c892e10d0))
   Exit: (199) [system] nonvar((0x560c892e10d0))
   Call: (199) [system] nonvar(position(_1648616))
   Exit: (199) [system] nonvar(position(_1648616))
   Exit: (198) [system] stream_property((0x560c892e10d0), position('$stream_position'(933, 31, 0, 933)))
   Call: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), _1648610)
   Call: (199) [system] nonvar(line_count)
   Exit: (199) [system] nonvar(line_count)
   Call: (199) [$syspreds] stream_position_field(line_count, _1657904)
   Exit: (199) [$syspreds] stream_position_field(line_count, 2)
   Call: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), _1648610)
   Exit: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), 31)
   Exit: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), 31)
   Call: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), _1648612)
   Call: (199) [system] nonvar(line_position)
   Exit: (199) [system] nonvar(line_position)
   Call: (199) [$syspreds] stream_position_field(line_position, _1665338)
   Exit: (199) [$syspreds] stream_position_field(line_position, 3)
   Call: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), _1648612)
   Exit: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), 0)
   Exit: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), 0)
   Call: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), _1648614)
   Call: (199) [system] nonvar(char_count)
   Exit: (199) [system] nonvar(char_count)
   Call: (199) [$syspreds] stream_position_field(char_count, _1672772)
   Exit: (199) [$syspreds] stream_position_field(char_count, 1)
   Call: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), _1648614)
   Exit: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), 933)
   Exit: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), 933)
^  Exit: (197) [user] read_position((0x560c892e10d0), 31, 0, 933, '$stream_position'(933, 31, 0, 933))
   Call: (197) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1678366)
   Call: (198) [system] read_string((0x560c892e10d0), '\n', '\r', _1679296, _1679298)
   Exit: (198) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         4. Type checking: (: TERM TYPE)")
   Call: (198) [system] 10\== -1
   Exit: (198) [system] 10\== -1
   Call: (198) [system] _1678366=";;         4. Type checking: (: TERM TYPE)"
   Exit: (198) [system] ";;         4. Type checking: (: TERM TYPE)"=";;         4. Type checking: (: TERM TYPE)"
   Exit: (197) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         4. Type checking: (: TERM TYPE)")
^  Call: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (196) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1689564)
   Exit: (197) [system] peek_char((0x560c892e10d0), ;)
   Call: (197) [system] (;)=(;)
   Exit: (197) [system] (;)=(;)
^  Call: (197) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (198) [user] read_position((0x560c892e10d0), _1694202, _1694204, _1694206, _1694208)
   Call: (199) [system] stream_property((0x560c892e10d0), position(_1694208))
   Call: (200) [system] nonvar((0x560c892e10d0))
   Exit: (200) [system] nonvar((0x560c892e10d0))
   Call: (200) [system] nonvar(position(_1694208))
   Exit: (200) [system] nonvar(position(_1694208))
   Exit: (199) [system] stream_property((0x560c892e10d0), position('$stream_position'(976, 32, 0, 976)))
   Call: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), _1694202)
   Call: (200) [system] nonvar(line_count)
   Exit: (200) [system] nonvar(line_count)
   Call: (200) [$syspreds] stream_position_field(line_count, _1703496)
   Exit: (200) [$syspreds] stream_position_field(line_count, 2)
   Call: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), _1694202)
   Exit: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), 32)
   Exit: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), 32)
   Call: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), _1694204)
   Call: (200) [system] nonvar(line_position)
   Exit: (200) [system] nonvar(line_position)
   Call: (200) [$syspreds] stream_position_field(line_position, _1710930)
   Exit: (200) [$syspreds] stream_position_field(line_position, 3)
   Call: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), _1694204)
   Exit: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), 0)
   Exit: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), 0)
   Call: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), _1694206)
   Call: (200) [system] nonvar(char_count)
   Exit: (200) [system] nonvar(char_count)
   Call: (200) [$syspreds] stream_position_field(char_count, _1718364)
   Exit: (200) [$syspreds] stream_position_field(char_count, 1)
   Call: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), _1694206)
   Exit: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), 976)
   Exit: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), 976)
^  Exit: (198) [user] read_position((0x560c892e10d0), 32, 0, 976, '$stream_position'(976, 32, 0, 976))
   Call: (198) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1723958)
   Call: (199) [system] read_string((0x560c892e10d0), '\n', '\r', _1724888, _1724890)
   Exit: (199) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         5. Type inference: (: TERM $type)")
   Call: (199) [system] 10\== -1
   Exit: (199) [system] 10\== -1
   Call: (199) [system] _1723958=";;         5. Type inference: (: TERM $type)"
   Exit: (199) [system] ";;         5. Type inference: (: TERM $type)"=";;         5. Type inference: (: TERM $type)"
   Exit: (198) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         5. Type inference: (: TERM $type)")
^  Call: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (197) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1735156)
   Exit: (198) [system] peek_char((0x560c892e10d0), ;)
   Call: (198) [system] (;)=(;)
   Exit: (198) [system] (;)=(;)
^  Call: (198) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (199) [user] read_position((0x560c892e10d0), _1739794, _1739796, _1739798, _1739800)
   Call: (200) [system] stream_property((0x560c892e10d0), position(_1739800))
   Call: (201) [system] nonvar((0x560c892e10d0))
   Exit: (201) [system] nonvar((0x560c892e10d0))
   Call: (201) [system] nonvar(position(_1739800))
   Exit: (201) [system] nonvar(position(_1739800))
   Exit: (200) [system] stream_property((0x560c892e10d0), position('$stream_position'(1021, 33, 0, 1021)))
   Call: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), _1739794)
   Call: (201) [system] nonvar(line_count)
   Exit: (201) [system] nonvar(line_count)
   Call: (201) [$syspreds] stream_position_field(line_count, _1749088)
   Exit: (201) [$syspreds] stream_position_field(line_count, 2)
   Call: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), _1739794)
   Exit: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), 33)
   Exit: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), 33)
   Call: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), _1739796)
   Call: (201) [system] nonvar(line_position)
   Exit: (201) [system] nonvar(line_position)
   Call: (201) [$syspreds] stream_position_field(line_position, _1756522)
   Exit: (201) [$syspreds] stream_position_field(line_position, 3)
   Call: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), _1739796)
   Exit: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), 0)
   Exit: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), 0)
   Call: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), _1739798)
   Call: (201) [system] nonvar(char_count)
   Exit: (201) [system] nonvar(char_count)
   Call: (201) [$syspreds] stream_position_field(char_count, _1763956)
   Exit: (201) [$syspreds] stream_position_field(char_count, 1)
   Call: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), _1739798)
   Exit: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), 1021)
   Exit: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), 1021)
^  Exit: (199) [user] read_position((0x560c892e10d0), 33, 0, 1021, '$stream_position'(1021, 33, 0, 1021))
   Call: (199) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1769550)
   Call: (200) [system] read_string((0x560c892e10d0), '\n', '\r', _1770480, _1770482)
   Exit: (200) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (200) [system] 10\== -1
   Exit: (200) [system] 10\== -1
   Call: (200) [system] _1769550=";;"
   Exit: (200) [system] ";;"=";;"
   Exit: (199) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (198) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1780738)
   Exit: (199) [system] peek_char((0x560c892e10d0), ;)
   Call: (199) [system] (;)=(;)
   Exit: (199) [system] (;)=(;)
^  Call: (199) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (200) [user] read_position((0x560c892e10d0), _1785376, _1785378, _1785380, _1785382)
   Call: (201) [system] stream_property((0x560c892e10d0), position(_1785382))
   Call: (202) [system] nonvar((0x560c892e10d0))
   Exit: (202) [system] nonvar((0x560c892e10d0))
   Call: (202) [system] nonvar(position(_1785382))
   Exit: (202) [system] nonvar(position(_1785382))
   Exit: (201) [system] stream_property((0x560c892e10d0), position('$stream_position'(1024, 34, 0, 1024)))
   Call: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), _1785376)
   Call: (202) [system] nonvar(line_count)
   Exit: (202) [system] nonvar(line_count)
   Call: (202) [$syspreds] stream_position_field(line_count, _1794670)
   Exit: (202) [$syspreds] stream_position_field(line_count, 2)
   Call: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), _1785376)
   Exit: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), 34)
   Exit: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), 34)
   Call: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), _1785378)
   Call: (202) [system] nonvar(line_position)
   Exit: (202) [system] nonvar(line_position)
   Call: (202) [$syspreds] stream_position_field(line_position, _1802104)
   Exit: (202) [$syspreds] stream_position_field(line_position, 3)
   Call: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), _1785378)
   Exit: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), 0)
   Exit: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), 0)
   Call: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), _1785380)
   Call: (202) [system] nonvar(char_count)
   Exit: (202) [system] nonvar(char_count)
   Call: (202) [$syspreds] stream_position_field(char_count, _1809538)
   Exit: (202) [$syspreds] stream_position_field(char_count, 1)
   Call: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), _1785380)
   Exit: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), 1024)
   Exit: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), 1024)
^  Exit: (200) [user] read_position((0x560c892e10d0), 34, 0, 1024, '$stream_position'(1024, 34, 0, 1024))
   Call: (200) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1815132)
   Call: (201) [system] read_string((0x560c892e10d0), '\n', '\r', _1816062, _1816064)
   Exit: (201) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; $kb: a nullary function to axiom")
   Call: (201) [system] 10\== -1
   Exit: (201) [system] 10\== -1
   Call: (201) [system] _1815132=";; $kb: a nullary function to axiom"
   Exit: (201) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
   Exit: (200) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; $kb: a nullary function to axiom")
^  Call: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (199) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1826328)
   Exit: (200) [system] peek_char((0x560c892e10d0), ;)
   Call: (200) [system] (;)=(;)
   Exit: (200) [system] (;)=(;)
^  Call: (200) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (201) [user] read_position((0x560c892e10d0), _1830966, _1830968, _1830970, _1830972)
   Call: (202) [system] stream_property((0x560c892e10d0), position(_1830972))
   Call: (203) [system] nonvar((0x560c892e10d0))
   Exit: (203) [system] nonvar((0x560c892e10d0))
   Call: (203) [system] nonvar(position(_1830972))
   Exit: (203) [system] nonvar(position(_1830972))
   Exit: (202) [system] stream_property((0x560c892e10d0), position('$stream_position'(1060, 35, 0, 1060)))
   Call: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), _1830966)
   Call: (203) [system] nonvar(line_count)
   Exit: (203) [system] nonvar(line_count)
   Call: (203) [$syspreds] stream_position_field(line_count, _1840260)
   Exit: (203) [$syspreds] stream_position_field(line_count, 2)
   Call: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), _1830966)
   Exit: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), 35)
   Exit: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), 35)
   Call: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), _1830968)
   Call: (203) [system] nonvar(line_position)
   Exit: (203) [system] nonvar(line_position)
   Call: (203) [$syspreds] stream_position_field(line_position, _1847694)
   Exit: (203) [$syspreds] stream_position_field(line_position, 3)
   Call: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), _1830968)
   Exit: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), 0)
   Exit: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), 0)
   Call: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), _1830970)
   Call: (203) [system] nonvar(char_count)
   Exit: (203) [system] nonvar(char_count)
   Call: (203) [$syspreds] stream_position_field(char_count, _1855128)
   Exit: (203) [$syspreds] stream_position_field(char_count, 1)
   Call: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), _1830970)
   Exit: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), 1060)
   Exit: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), 1060)
^  Exit: (201) [user] read_position((0x560c892e10d0), 35, 0, 1060, '$stream_position'(1060, 35, 0, 1060))
   Call: (201) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1860722)
   Call: (202) [system] read_string((0x560c892e10d0), '\n', '\r', _1861652, _1861654)
   Exit: (202) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;\t\t to non-deterministically pick up")
   Call: (202) [system] 10\== -1
   Exit: (202) [system] 10\== -1
   Call: (202) [system] _1860722=";;\t\t to non-deterministically pick up"
   Exit: (202) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
   Exit: (201) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;\t\t to non-deterministically pick up")
^  Call: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (200) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1871918)
   Exit: (201) [system] peek_char((0x560c892e10d0), ;)
   Call: (201) [system] (;)=(;)
   Exit: (201) [system] (;)=(;)
^  Call: (201) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (202) [user] read_position((0x560c892e10d0), _1876556, _1876558, _1876560, _1876562)
   Call: (203) [system] stream_property((0x560c892e10d0), position(_1876562))
   Call: (204) [system] nonvar((0x560c892e10d0))
   Exit: (204) [system] nonvar((0x560c892e10d0))
   Call: (204) [system] nonvar(position(_1876562))
   Exit: (204) [system] nonvar(position(_1876562))
   Exit: (203) [system] stream_property((0x560c892e10d0), position('$stream_position'(1098, 36, 0, 1098)))
   Call: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), _1876556)
   Call: (204) [system] nonvar(line_count)
   Exit: (204) [system] nonvar(line_count)
   Call: (204) [$syspreds] stream_position_field(line_count, _1885850)
   Exit: (204) [$syspreds] stream_position_field(line_count, 2)
   Call: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), _1876556)
   Exit: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), 36)
   Exit: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), 36)
   Call: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), _1876558)
   Call: (204) [system] nonvar(line_position)
   Exit: (204) [system] nonvar(line_position)
   Call: (204) [$syspreds] stream_position_field(line_position, _1893284)
   Exit: (204) [$syspreds] stream_position_field(line_position, 3)
   Call: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), _1876558)
   Exit: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), 0)
   Exit: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), 0)
   Call: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), _1876560)
   Call: (204) [system] nonvar(char_count)
   Exit: (204) [system] nonvar(char_count)
   Call: (204) [$syspreds] stream_position_field(char_count, _1900718)
   Exit: (204) [$syspreds] stream_position_field(char_count, 1)
   Call: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), _1876560)
   Exit: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), 1098)
   Exit: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), 1098)
^  Exit: (202) [user] read_position((0x560c892e10d0), 36, 0, 1098, '$stream_position'(1098, 36, 0, 1098))
   Call: (202) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1906312)
   Call: (203) [system] read_string((0x560c892e10d0), '\n', '\r', _1907242, _1907244)
   Exit: (203) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (203) [system] 10\== -1
   Exit: (203) [system] 10\== -1
   Call: (203) [system] _1906312=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (203) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (202) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (201) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1917516)
   Exit: (202) [system] peek_char((0x560c892e10d0), ;)
   Call: (202) [system] (;)=(;)
   Exit: (202) [system] (;)=(;)
^  Call: (202) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (203) [user] read_position((0x560c892e10d0), _1922154, _1922156, _1922158, _1922160)
   Call: (204) [system] stream_property((0x560c892e10d0), position(_1922160))
   Call: (205) [system] nonvar((0x560c892e10d0))
   Exit: (205) [system] nonvar((0x560c892e10d0))
   Call: (205) [system] nonvar(position(_1922160))
   Exit: (205) [system] nonvar(position(_1922160))
   Exit: (204) [system] stream_property((0x560c892e10d0), position('$stream_position'(1164, 37, 0, 1164)))
   Call: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), _1922154)
   Call: (205) [system] nonvar(line_count)
   Exit: (205) [system] nonvar(line_count)
   Call: (205) [$syspreds] stream_position_field(line_count, _1931448)
   Exit: (205) [$syspreds] stream_position_field(line_count, 2)
   Call: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), _1922154)
   Exit: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), 37)
   Exit: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), 37)
   Call: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), _1922156)
   Call: (205) [system] nonvar(line_position)
   Exit: (205) [system] nonvar(line_position)
   Call: (205) [$syspreds] stream_position_field(line_position, _1938882)
   Exit: (205) [$syspreds] stream_position_field(line_position, 3)
   Call: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), _1922156)
   Exit: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), 0)
   Exit: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), 0)
   Call: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), _1922158)
   Call: (205) [system] nonvar(char_count)
   Exit: (205) [system] nonvar(char_count)
   Call: (205) [$syspreds] stream_position_field(char_count, _1946316)
   Exit: (205) [$syspreds] stream_position_field(char_count, 1)
   Call: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), _1922158)
   Exit: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), 1164)
   Exit: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), 1164)
^  Exit: (203) [user] read_position((0x560c892e10d0), 37, 0, 1164, '$stream_position'(1164, 37, 0, 1164))
   Call: (203) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1951910)
   Call: (204) [system] read_string((0x560c892e10d0), '\n', '\r', _1952840, _1952842)
   Exit: (204) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (204) [system] 10\== -1
   Exit: (204) [system] 10\== -1
   Call: (204) [system] _1951910=";;"
   Exit: (204) [system] ";;"=";;"
   Exit: (203) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (202) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1963098)
   Exit: (203) [system] peek_char((0x560c892e10d0), ;)
   Call: (203) [system] (;)=(;)
   Exit: (203) [system] (;)=(;)
^  Call: (203) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (204) [user] read_position((0x560c892e10d0), _1967736, _1967738, _1967740, _1967742)
   Call: (205) [system] stream_property((0x560c892e10d0), position(_1967742))
   Call: (206) [system] nonvar((0x560c892e10d0))
   Exit: (206) [system] nonvar((0x560c892e10d0))
   Call: (206) [system] nonvar(position(_1967742))
   Exit: (206) [system] nonvar(position(_1967742))
   Exit: (205) [system] stream_property((0x560c892e10d0), position('$stream_position'(1167, 38, 0, 1167)))
   Call: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), _1967736)
   Call: (206) [system] nonvar(line_count)
   Exit: (206) [system] nonvar(line_count)
   Call: (206) [$syspreds] stream_position_field(line_count, _1977030)
   Exit: (206) [$syspreds] stream_position_field(line_count, 2)
   Call: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), _1967736)
   Exit: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), 38)
   Exit: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), 38)
   Call: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), _1967738)
   Call: (206) [system] nonvar(line_position)
   Exit: (206) [system] nonvar(line_position)
   Call: (206) [$syspreds] stream_position_field(line_position, _1984464)
   Exit: (206) [$syspreds] stream_position_field(line_position, 3)
   Call: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), _1967738)
   Exit: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), 0)
   Exit: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), 0)
   Call: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), _1967740)
   Call: (206) [system] nonvar(char_count)
   Exit: (206) [system] nonvar(char_count)
   Call: (206) [$syspreds] stream_position_field(char_count, _1991898)
   Exit: (206) [$syspreds] stream_position_field(char_count, 1)
   Call: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), _1967740)
   Exit: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), 1167)
   Exit: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), 1167)
^  Exit: (204) [user] read_position((0x560c892e10d0), 38, 0, 1167, '$stream_position'(1167, 38, 0, 1167))
   Call: (204) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1997492)
   Call: (205) [system] read_string((0x560c892e10d0), '\n', '\r', _1998422, _1998424)
   Exit: (205) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; $rb: a nullary function to rule")
   Call: (205) [system] 10\== -1
   Exit: (205) [system] 10\== -1
   Call: (205) [system] _1997492=";; $rb: a nullary function to rule"
   Exit: (205) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
   Exit: (204) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; $rb: a nullary function to rule")
^  Call: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (203) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2008688)
   Exit: (204) [system] peek_char((0x560c892e10d0), ;)
   Call: (204) [system] (;)=(;)
   Exit: (204) [system] (;)=(;)
^  Call: (204) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (205) [user] read_position((0x560c892e10d0), _2013326, _2013328, _2013330, _2013332)
   Call: (206) [system] stream_property((0x560c892e10d0), position(_2013332))
   Call: (207) [system] nonvar((0x560c892e10d0))
   Exit: (207) [system] nonvar((0x560c892e10d0))
   Call: (207) [system] nonvar(position(_2013332))
   Exit: (207) [system] nonvar(position(_2013332))
   Exit: (206) [system] stream_property((0x560c892e10d0), position('$stream_position'(1202, 39, 0, 1202)))
   Call: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), _2013326)
   Call: (207) [system] nonvar(line_count)
   Exit: (207) [system] nonvar(line_count)
   Call: (207) [$syspreds] stream_position_field(line_count, _2022620)
   Exit: (207) [$syspreds] stream_position_field(line_count, 2)
   Call: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), _2013326)
   Exit: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), 39)
   Exit: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), 39)
   Call: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), _2013328)
   Call: (207) [system] nonvar(line_position)
   Exit: (207) [system] nonvar(line_position)
   Call: (207) [$syspreds] stream_position_field(line_position, _2030054)
   Exit: (207) [$syspreds] stream_position_field(line_position, 3)
   Call: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), _2013328)
   Exit: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), 0)
   Exit: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), 0)
   Call: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), _2013330)
   Call: (207) [system] nonvar(char_count)
   Exit: (207) [system] nonvar(char_count)
   Call: (207) [$syspreds] stream_position_field(char_count, _2037488)
   Exit: (207) [$syspreds] stream_position_field(char_count, 1)
   Call: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), _2013330)
   Exit: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), 1202)
   Exit: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), 1202)
^  Exit: (205) [user] read_position((0x560c892e10d0), 39, 0, 1202, '$stream_position'(1202, 39, 0, 1202))
   Call: (205) [read_util] read_util:read_line_to_string((0x560c892e10d0), _2043082)
   Call: (206) [system] read_string((0x560c892e10d0), '\n', '\r', _2044012, _2044014)
   Exit: (206) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;\t\t to non-deterministically pick up a")
   Call: (206) [system] 10\== -1
   Exit: (206) [system] 10\== -1
   Call: (206) [system] _2043082=";;\t\t to non-deterministically pick up a"
   Exit: (206) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
   Exit: (205) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;\t\t to non-deterministically pick up a")
^  Call: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (204) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2054280)
   Exit: (205) [system] peek_char((0x560c892e10d0), ;)
   Call: (205) [system] (;)=(;)
   Exit: (205) [system] (;)=(;)
^  Call: (205) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (206) [user] read_position((0x560c892e10d0), _2058918, _2058920, _2058922, _2058924)
   Call: (207) [system] stream_property((0x560c892e10d0), position(_2058924))
   Call: (208) [system] nonvar((0x560c892e10d0))
   Exit: (208) [system] nonvar((0x560c892e10d0))
   Call: (208) [system] nonvar(position(_2058924))
   Exit: (208) [system] nonvar(position(_2058924))
   Exit: (207) [system] stream_property((0x560c892e10d0), position('$stream_position'(1242, 40, 0, 1242)))
   Call: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), _2058918)
   Call: (208) [system] nonvar(line_count)
   Exit: (208) [system] nonvar(line_count)
   Call: (208) [$syspreds] stream_position_field(line_count, _2068212)
   Exit: (208) [$syspreds] stream_position_field(line_count, 2)
   Call: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), _2058918)
   Exit: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), 40)
   Exit: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), 40)
   Call: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), _2058920)
   Call: (208) [system] nonvar(line_position)
   Exit: (208) [system] nonvar(line_position)
   Call: (208) [$syspreds] stream_position_field(line_position, _2075646)
   Exit: (208) [$syspreds] stream_position_field(line_position, 3)
   Call: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), _2058920)
   Exit: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), 0)
   Exit: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), 0)
   Call: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), _2058922)
   Call: (208) [system] nonvar(char_count)
   Exit: (208) [system] nonvar(char_count)
   Call: (208) [$syspreds] stream_position_field(char_count, _2083080)
   Exit: (208) [$syspreds] stream_position_field(char_count, 1)
   Call: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), _2058922)
   Exit: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), 1242)
   Exit: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), 1242)
^  Exit: (206) [user] read_position((0x560c892e10d0), 40, 0, 1242, '$stream_position'(1242, 40, 0, 1242))
   Call: (206) [read_util] read_util:read_line_to_string((0x560c892e10d0), _2088674)
   Call: (207) [system] read_string((0x560c892e10d0), '\n', '\r', _2089604, _2089606)
   Exit: (207) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (207) [system] 10\== -1
   Exit: (207) [system] 10\== -1
   Call: (207) [system] _2088674=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (207) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (206) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (205) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _6588)
   Exit: (206) [system] peek_char((0x560c892e10d0), ;)
   Call: (206) [system] (;)=(;)
   Exit: (206) [system] (;)=(;)
^  Call: (206) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (207) [user] read_position((0x560c892e10d0), _11226, _11228, _11230, _11232)
   Call: (208) [system] stream_property((0x560c892e10d0), position(_11232))
   Call: (209) [system] nonvar((0x560c892e10d0))
   Exit: (209) [system] nonvar((0x560c892e10d0))
   Call: (209) [system] nonvar(position(_11232))
   Exit: (209) [system] nonvar(position(_11232))
   Exit: (208) [system] stream_property((0x560c892e10d0), position('$stream_position'(1309, 41, 0, 1309)))
   Call: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), _11226)
   Call: (209) [system] nonvar(line_count)
   Exit: (209) [system] nonvar(line_count)
   Call: (209) [$syspreds] stream_position_field(line_count, _20520)
   Exit: (209) [$syspreds] stream_position_field(line_count, 2)
   Call: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), _11226)
   Exit: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), 41)
   Exit: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), 41)
   Call: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), _11228)
   Call: (209) [system] nonvar(line_position)
   Exit: (209) [system] nonvar(line_position)
   Call: (209) [$syspreds] stream_position_field(line_position, _27954)
   Exit: (209) [$syspreds] stream_position_field(line_position, 3)
   Call: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), _11228)
   Exit: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), 0)
   Exit: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), 0)
   Call: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), _11230)
   Call: (209) [system] nonvar(char_count)
   Exit: (209) [system] nonvar(char_count)
   Call: (209) [$syspreds] stream_position_field(char_count, _35388)
   Exit: (209) [$syspreds] stream_position_field(char_count, 1)
   Call: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), _11230)
   Exit: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), 1309)
   Exit: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), 1309)
^  Exit: (207) [user] read_position((0x560c892e10d0), 41, 0, 1309, '$stream_position'(1309, 41, 0, 1309))
   Call: (207) [read_util] read_util:read_line_to_string((0x560c892e10d0), _40982)
   Call: (208) [system] read_string((0x560c892e10d0), '\n', '\r', _41912, _41914)
   Exit: (208) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;\t\t")
   Call: (208) [system] 10\== -1
   Exit: (208) [system] 10\== -1
   Call: (208) [system] _40982=";;\t\t"
   Exit: (208) [system] ";;\t\t"=";;\t\t"
   Exit: (207) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;\t\t")
^  Call: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (206) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _52170)
   Exit: (207) [system] peek_char((0x560c892e10d0), ;)
   Call: (207) [system] (;)=(;)
   Exit: (207) [system] (;)=(;)
^  Call: (207) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (208) [user] read_position((0x560c892e10d0), _56808, _56810, _56812, _56814)
   Call: (209) [system] stream_property((0x560c892e10d0), position(_56814))
   Call: (210) [system] nonvar((0x560c892e10d0))
   Exit: (210) [system] nonvar((0x560c892e10d0))
   Call: (210) [system] nonvar(position(_56814))
   Exit: (210) [system] nonvar(position(_56814))
   Exit: (209) [system] stream_property((0x560c892e10d0), position('$stream_position'(1314, 42, 0, 1314)))
   Call: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), _56808)
   Call: (210) [system] nonvar(line_count)
   Exit: (210) [system] nonvar(line_count)
   Call: (210) [$syspreds] stream_position_field(line_count, _66102)
   Exit: (210) [$syspreds] stream_position_field(line_count, 2)
   Call: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), _56808)
   Exit: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), 42)
   Exit: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), 42)
   Call: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), _56810)
   Call: (210) [system] nonvar(line_position)
   Exit: (210) [system] nonvar(line_position)
   Call: (210) [$syspreds] stream_position_field(line_position, _73536)
   Exit: (210) [$syspreds] stream_position_field(line_position, 3)
   Call: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), _56810)
   Exit: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), 0)
   Exit: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), 0)
   Call: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), _56812)
   Call: (210) [system] nonvar(char_count)
   Exit: (210) [system] nonvar(char_count)
   Call: (210) [$syspreds] stream_position_field(char_count, _80970)
   Exit: (210) [$syspreds] stream_position_field(char_count, 1)
   Call: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), _56812)
   Exit: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), 1314)
   Exit: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), 1314)
^  Exit: (208) [user] read_position((0x560c892e10d0), 42, 0, 1314, '$stream_position'(1314, 42, 0, 1314))
   Call: (208) [read_util] read_util:read_line_to_string((0x560c892e10d0), _86564)
   Call: (209) [system] read_string((0x560c892e10d0), '\n', '\r', _87494, _87496)
   Exit: (209) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (209) [system] 10\== -1
   Exit: (209) [system] 10\== -1
   Call: (209) [system] _86564=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (209) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (208) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (207) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _97768)
   Exit: (208) [system] peek_char((0x560c892e10d0), ;)
   Call: (208) [system] (;)=(;)
   Exit: (208) [system] (;)=(;)
^  Call: (208) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (209) [user] read_position((0x560c892e10d0), _102406, _102408, _102410, _102412)
   Call: (210) [system] stream_property((0x560c892e10d0), position(_102412))
   Call: (211) [system] nonvar((0x560c892e10d0))
   Exit: (211) [system] nonvar((0x560c892e10d0))
   Call: (211) [system] nonvar(position(_102412))
   Exit: (211) [system] nonvar(position(_102412))
   Exit: (210) [system] stream_property((0x560c892e10d0), position('$stream_position'(1381, 43, 0, 1381)))
   Call: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), _102406)
   Call: (211) [system] nonvar(line_count)
   Exit: (211) [system] nonvar(line_count)
   Call: (211) [$syspreds] stream_position_field(line_count, _111700)
   Exit: (211) [$syspreds] stream_position_field(line_count, 2)
   Call: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), _102406)
   Exit: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), 43)
   Exit: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), 43)
   Call: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), _102408)
   Call: (211) [system] nonvar(line_position)
   Exit: (211) [system] nonvar(line_position)
   Call: (211) [$syspreds] stream_position_field(line_position, _119134)
   Exit: (211) [$syspreds] stream_position_field(line_position, 3)
   Call: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), _102408)
   Exit: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), 0)
   Exit: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), 0)
   Call: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), _102410)
   Call: (211) [system] nonvar(char_count)
   Exit: (211) [system] nonvar(char_count)
   Call: (211) [$syspreds] stream_position_field(char_count, _126568)
   Exit: (211) [$syspreds] stream_position_field(char_count, 1)
   Call: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), _102410)
   Exit: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), 1381)
   Exit: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), 1381)
^  Exit: (209) [user] read_position((0x560c892e10d0), 43, 0, 1381, '$stream_position'(1381, 43, 0, 1381))
   Call: (209) [read_util] read_util:read_line_to_string((0x560c892e10d0), _132162)
   Call: (210) [system] read_string((0x560c892e10d0), '\n', '\r', _133092, _133094)
   Exit: (210) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (210) [system] 10\== -1
   Exit: (210) [system] 10\== -1
   Call: (210) [system] _132162=";;"
   Exit: (210) [system] ";;"=";;"
   Exit: (209) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (208) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _143350)
   Exit: (209) [system] peek_char((0x560c892e10d0), ;)
   Call: (209) [system] (;)=(;)
   Exit: (209) [system] (;)=(;)
^  Call: (209) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (210) [user] read_position((0x560c892e10d0), _147988, _147990, _147992, _147994)
   Call: (211) [system] stream_property((0x560c892e10d0), position(_147994))
   Call: (212) [system] nonvar((0x560c892e10d0))
   Exit: (212) [system] nonvar((0x560c892e10d0))
   Call: (212) [system] nonvar(position(_147994))
   Exit: (212) [system] nonvar(position(_147994))
   Exit: (211) [system] stream_property((0x560c892e10d0), position('$stream_position'(1384, 44, 0, 1384)))
   Call: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), _147988)
   Call: (212) [system] nonvar(line_count)
   Exit: (212) [system] nonvar(line_count)
   Call: (212) [$syspreds] stream_position_field(line_count, _157282)
   Exit: (212) [$syspreds] stream_position_field(line_count, 2)
   Call: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), _147988)
   Exit: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), 44)
   Exit: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), 44)
   Call: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), _147990)
   Call: (212) [system] nonvar(line_position)
   Exit: (212) [system] nonvar(line_position)
   Call: (212) [$syspreds] stream_position_field(line_position, _164716)
   Exit: (212) [$syspreds] stream_position_field(line_position, 3)
   Call: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), _147990)
   Exit: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), 0)
   Exit: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), 0)
   Call: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), _147992)
   Call: (212) [system] nonvar(char_count)
   Exit: (212) [system] nonvar(char_count)
   Call: (212) [$syspreds] stream_position_field(char_count, _172150)
   Exit: (212) [$syspreds] stream_position_field(char_count, 1)
   Call: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), _147992)
   Exit: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), 1384)
   Exit: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), 1384)
^  Exit: (210) [user] read_position((0x560c892e10d0), 44, 0, 1384, '$stream_position'(1384, 44, 0, 1384))
   Call: (210) [read_util] read_util:read_line_to_string((0x560c892e10d0), _177744)
   Call: (211) [system] read_string((0x560c892e10d0), '\n', '\r', _178674, _178676)
   Exit: (211) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (211) [system] 10\== -1
   Exit: (211) [system] 10\== -1
   Call: (211) [system] _177744=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (211) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (210) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (209) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _188948)
   Exit: (210) [system] peek_char((0x560c892e10d0), ;)
   Call: (210) [system] (;)=(;)
   Exit: (210) [system] (;)=(;)
^  Call: (210) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (211) [user] read_position((0x560c892e10d0), _193586, _193588, _193590, _193592)
   Call: (212) [system] stream_property((0x560c892e10d0), position(_193592))
   Call: (213) [system] nonvar((0x560c892e10d0))
   Exit: (213) [system] nonvar((0x560c892e10d0))
   Call: (213) [system] nonvar(position(_193592))
   Exit: (213) [system] nonvar(position(_193592))
   Exit: (212) [system] stream_property((0x560c892e10d0), position('$stream_position'(1449, 45, 0, 1449)))
   Call: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), _193586)
   Call: (213) [system] nonvar(line_count)
   Exit: (213) [system] nonvar(line_count)
   Call: (213) [$syspreds] stream_position_field(line_count, _202880)
   Exit: (213) [$syspreds] stream_position_field(line_count, 2)
   Call: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), _193586)
   Exit: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), 45)
   Exit: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), 45)
   Call: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), _193588)
   Call: (213) [system] nonvar(line_position)
   Exit: (213) [system] nonvar(line_position)
   Call: (213) [$syspreds] stream_position_field(line_position, _210314)
   Exit: (213) [$syspreds] stream_position_field(line_position, 3)
   Call: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), _193588)
   Exit: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), 0)
   Exit: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), 0)
   Call: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), _193590)
   Call: (213) [system] nonvar(char_count)
   Exit: (213) [system] nonvar(char_count)
   Call: (213) [$syspreds] stream_position_field(char_count, _217748)
   Exit: (213) [$syspreds] stream_position_field(char_count, 1)
   Call: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), _193590)
   Exit: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), 1449)
   Exit: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), 1449)
^  Exit: (211) [user] read_position((0x560c892e10d0), 45, 0, 1449, '$stream_position'(1449, 45, 0, 1449))
   Call: (211) [read_util] read_util:read_line_to_string((0x560c892e10d0), _223342)
   Call: (212) [system] read_string((0x560c892e10d0), '\n', '\r', _224272, _224274)
   Exit: (212) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;         programs.")
   Call: (212) [system] 10\== -1
   Exit: (212) [system] 10\== -1
   Call: (212) [system] _223342=";;         programs."
   Exit: (212) [system] ";;         programs."=";;         programs."
   Exit: (211) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;         programs.")
^  Call: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (210) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _234534)
   Exit: (211) [system] peek_char((0x560c892e10d0), ;)
   Call: (211) [system] (;)=(;)
   Exit: (211) [system] (;)=(;)
^  Call: (211) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (212) [user] read_position((0x560c892e10d0), _239172, _239174, _239176, _239178)
   Call: (213) [system] stream_property((0x560c892e10d0), position(_239178))
   Call: (214) [system] nonvar((0x560c892e10d0))
   Exit: (214) [system] nonvar((0x560c892e10d0))
   Call: (214) [system] nonvar(position(_239178))
   Exit: (214) [system] nonvar(position(_239178))
   Exit: (213) [system] stream_property((0x560c892e10d0), position('$stream_position'(1470, 46, 0, 1470)))
   Call: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), _239172)
   Call: (214) [system] nonvar(line_count)
   Exit: (214) [system] nonvar(line_count)
   Call: (214) [$syspreds] stream_position_field(line_count, _248466)
   Exit: (214) [$syspreds] stream_position_field(line_count, 2)
   Call: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), _239172)
   Exit: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), 46)
   Exit: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), 46)
   Call: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), _239174)
   Call: (214) [system] nonvar(line_position)
   Exit: (214) [system] nonvar(line_position)
   Call: (214) [$syspreds] stream_position_field(line_position, _255900)
   Exit: (214) [$syspreds] stream_position_field(line_position, 3)
   Call: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), _239174)
   Exit: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), 0)
   Exit: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), 0)
   Call: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), _239176)
   Call: (214) [system] nonvar(char_count)
   Exit: (214) [system] nonvar(char_count)
   Call: (214) [$syspreds] stream_position_field(char_count, _263334)
   Exit: (214) [$syspreds] stream_position_field(char_count, 1)
   Call: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), _239176)
   Exit: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), 1470)
   Exit: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), 1470)
^  Exit: (212) [user] read_position((0x560c892e10d0), 46, 0, 1470, '$stream_position'(1470, 46, 0, 1470))
   Call: (212) [read_util] read_util:read_line_to_string((0x560c892e10d0), _268928)
   Call: (213) [system] read_string((0x560c892e10d0), '\n', '\r', _269858, _269860)
   Exit: (213) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";;")
   Call: (213) [system] 10\== -1
   Exit: (213) [system] 10\== -1
   Call: (213) [system] _268928=";;"
   Exit: (213) [system] ";;"=";;"
   Exit: (212) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";;")
^  Call: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (211) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _280116)
   Exit: (212) [system] peek_char((0x560c892e10d0), ;)
   Call: (212) [system] (;)=(;)
   Exit: (212) [system] (;)=(;)
^  Call: (212) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (213) [user] read_position((0x560c892e10d0), _284754, _284756, _284758, _284760)
   Call: (214) [system] stream_property((0x560c892e10d0), position(_284760))
   Call: (215) [system] nonvar((0x560c892e10d0))
   Exit: (215) [system] nonvar((0x560c892e10d0))
   Call: (215) [system] nonvar(position(_284760))
   Exit: (215) [system] nonvar(position(_284760))
   Exit: (214) [system] stream_property((0x560c892e10d0), position('$stream_position'(1473, 47, 0, 1473)))
   Call: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), _284754)
   Call: (215) [system] nonvar(line_count)
   Exit: (215) [system] nonvar(line_count)
   Call: (215) [$syspreds] stream_position_field(line_count, _294048)
   Exit: (215) [$syspreds] stream_position_field(line_count, 2)
   Call: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), _284754)
   Exit: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), 47)
   Exit: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), 47)
   Call: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), _284756)
   Call: (215) [system] nonvar(line_position)
   Exit: (215) [system] nonvar(line_position)
   Call: (215) [$syspreds] stream_position_field(line_position, _301482)
   Exit: (215) [$syspreds] stream_position_field(line_position, 3)
   Call: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), _284756)
   Exit: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), 0)
   Exit: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), 0)
   Call: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), _284758)
   Call: (215) [system] nonvar(char_count)
   Exit: (215) [system] nonvar(char_count)
   Call: (215) [$syspreds] stream_position_field(char_count, _308916)
   Exit: (215) [$syspreds] stream_position_field(char_count, 1)
   Call: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), _284758)
   Exit: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), 1473)
   Exit: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), 1473)
^  Exit: (213) [user] read_position((0x560c892e10d0), 47, 0, 1473, '$stream_position'(1473, 47, 0, 1473))
   Call: (213) [read_util] read_util:read_line_to_string((0x560c892e10d0), _314510)
   Call: (214) [system] read_string((0x560c892e10d0), '\n', '\r', _315440, _315442)
   Exit: (214) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (214) [system] 10\== -1
   Exit: (214) [system] 10\== -1
   Call: (214) [system] _314510=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (214) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (213) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (212) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _325714)
   Exit: (213) [system] peek_char((0x560c892e10d0), ;)
   Call: (213) [system] (;)=(;)
   Exit: (213) [system] (;)=(;)
^  Call: (213) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (214) [user] read_position((0x560c892e10d0), _330352, _330354, _330356, _330358)
   Call: (215) [system] stream_property((0x560c892e10d0), position(_330358))
   Call: (216) [system] nonvar((0x560c892e10d0))
   Exit: (216) [system] nonvar((0x560c892e10d0))
   Call: (216) [system] nonvar(position(_330358))
   Exit: (216) [system] nonvar(position(_330358))
   Exit: (215) [system] stream_property((0x560c892e10d0), position('$stream_position'(1542, 48, 0, 1542)))
   Call: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), _330352)
   Call: (216) [system] nonvar(line_count)
   Exit: (216) [system] nonvar(line_count)
   Call: (216) [$syspreds] stream_position_field(line_count, _339646)
   Exit: (216) [$syspreds] stream_position_field(line_count, 2)
   Call: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), _330352)
   Exit: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), 48)
   Exit: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), 48)
   Call: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), _330354)
   Call: (216) [system] nonvar(line_position)
   Exit: (216) [system] nonvar(line_position)
   Call: (216) [$syspreds] stream_position_field(line_position, _347080)
   Exit: (216) [$syspreds] stream_position_field(line_position, 3)
   Call: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), _330354)
   Exit: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), 0)
   Exit: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), 0)
   Call: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), _330356)
   Call: (216) [system] nonvar(char_count)
   Exit: (216) [system] nonvar(char_count)
   Call: (216) [$syspreds] stream_position_field(char_count, _354514)
   Exit: (216) [$syspreds] stream_position_field(char_count, 1)
   Call: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), _330356)
   Exit: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), 1542)
   Exit: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), 1542)
^  Exit: (214) [user] read_position((0x560c892e10d0), 48, 0, 1542, '$stream_position'(1542, 48, 0, 1542))
   Call: (214) [read_util] read_util:read_line_to_string((0x560c892e10d0), _360108)
   Call: (215) [system] read_string((0x560c892e10d0), '\n', '\r', _361038, _361040)
   Exit: (215) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; tuples.")
   Call: (215) [system] 10\== -1
   Exit: (215) [system] 10\== -1
   Call: (215) [system] _360108=";; tuples."
   Exit: (215) [system] ";; tuples."=";; tuples."
   Exit: (214) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; tuples.")
^  Call: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (213) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _371298)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _415952)
   Exit: (182) [system] get_char((0x560c892e10d0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _3318)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _421522)
   Exit: (184) [system] peek_char((0x560c892e10d0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _437532)
   Exit: (183) [system] peek_char((0x560c892e10d0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _443102)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _444960)
   Exit: (185) [system] peek_char((0x560c892e10d0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _460970)
   Exit: (184) [system] get_char((0x560c892e10d0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x560c892e10d0), :, _443102)
^  Call: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), _478612)
   Call: (186) [system] peek_char((0x560c892e10d0), _479546)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _478612=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _443102)
^  Call: (186) [user] classify_and_convert_charseq_([:], _488830)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_489782, _489784), once(user:catch(read_from_chars([:], _488830), _489764, fail)), '$restore_trace'(_489782, _489784))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_489782, _489784))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _489764, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _443102=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _501910)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _503768)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _513362)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _516066)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _533000)
   Exit: (184) [system] peek_char((0x560c892e10d0), s)
   Call: (184) [system] s=')'
   Fail: (184) [system] s=')'
   Call: (184) [system] s=end_of_file
   Fail: (184) [system] s=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _538570)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _540428)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _556438)
   Exit: (185) [system] get_char((0x560c892e10d0), s)
   Call: (185) [system] s='('
   Fail: (185) [system] s='('
   Call: (185) [system] s='['
   Fail: (185) [system] s='['
   Call: (185) [system] s='{'
   Fail: (185) [system] s='{'
   Call: (185) [system] s='"'
   Fail: (185) [system] s='"'
   Call: (185) [system] s=!
   Fail: (185) [system] s=!
   Call: (185) [system] s='\''
   Fail: (185) [system] s='\''
   Call: (185) [system] s='`'
   Fail: (185) [system] s='`'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x560c892e10d0), s, _538570)
^  Call: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), _574080)
   Call: (187) [system] peek_char((0x560c892e10d0), _575014)
   Exit: (187) [system] peek_char((0x560c892e10d0), y)
^  Call: (187) [user] is_delimiter(y)
   Call: (188) [system] char_type(y, space)
   Fail: (188) [system] char_type(y, space)
   Call: (188) [system] arg(_579734, v('(', ')', end_of_file), y)
   Fail: (188) [system] arg(_580666, v('(', ')', end_of_file), y)
^  Fail: (187) [user] is_delimiter(y)
   Call: (187) [system] ')'==y
   Fail: (187) [system] ')'==y
   Call: (187) [system] get_char((0x560c892e10d0), y)
   Exit: (187) [system] get_char((0x560c892e10d0), y)
   Call: (187) [system] y=(\)
   Fail: (187) [system] y=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _588016)
   Call: (188) [system] peek_char((0x560c892e10d0), _588950)
   Exit: (188) [system] peek_char((0x560c892e10d0), n)
^  Call: (188) [user] is_delimiter(n)
   Call: (189) [system] char_type(n, space)
   Fail: (189) [system] char_type(n, space)
   Call: (189) [system] arg(_593670, v('(', ')', end_of_file), n)
   Fail: (189) [system] arg(_594602, v('(', ')', end_of_file), n)
^  Fail: (188) [user] is_delimiter(n)
   Call: (188) [system] ')'==n
   Fail: (188) [system] ')'==n
   Call: (188) [system] get_char((0x560c892e10d0), n)
   Exit: (188) [system] get_char((0x560c892e10d0), n)
   Call: (188) [system] n=(\)
   Fail: (188) [system] n=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _601952)
   Call: (189) [system] peek_char((0x560c892e10d0), _602886)
   Exit: (189) [system] peek_char((0x560c892e10d0), t)
^  Call: (189) [user] is_delimiter(t)
   Call: (190) [system] char_type(t, space)
   Fail: (190) [system] char_type(t, space)
   Call: (190) [system] arg(_607606, v('(', ')', end_of_file), t)
   Fail: (190) [system] arg(_608538, v('(', ')', end_of_file), t)
^  Fail: (189) [user] is_delimiter(t)
   Call: (189) [system] ')'==t
   Fail: (189) [system] ')'==t
   Call: (189) [system] get_char((0x560c892e10d0), t)
   Exit: (189) [system] get_char((0x560c892e10d0), t)
   Call: (189) [system] t=(\)
   Fail: (189) [system] t=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _615888)
   Call: (190) [system] peek_char((0x560c892e10d0), _616822)
   Exit: (190) [system] peek_char((0x560c892e10d0), h)
^  Call: (190) [user] is_delimiter(h)
   Call: (191) [system] char_type(h, space)
   Fail: (191) [system] char_type(h, space)
   Call: (191) [system] arg(_621542, v('(', ')', end_of_file), h)
   Fail: (191) [system] arg(_622474, v('(', ')', end_of_file), h)
^  Fail: (190) [user] is_delimiter(h)
   Call: (190) [system] ')'==h
   Fail: (190) [system] ')'==h
   Call: (190) [system] get_char((0x560c892e10d0), h)
   Exit: (190) [system] get_char((0x560c892e10d0), h)
   Call: (190) [system] h=(\)
   Fail: (190) [system] h=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _629824)
   Call: (191) [system] peek_char((0x560c892e10d0), _630758)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_635478, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_636410, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _643760)
   Call: (192) [system] peek_char((0x560c892e10d0), _644694)
   Exit: (192) [system] peek_char((0x560c892e10d0), s)
^  Call: (192) [user] is_delimiter(s)
   Call: (193) [system] char_type(s, space)
   Fail: (193) [system] char_type(s, space)
   Call: (193) [system] arg(_649414, v('(', ')', end_of_file), s)
   Fail: (193) [system] arg(_650346, v('(', ')', end_of_file), s)
^  Fail: (192) [user] is_delimiter(s)
   Call: (192) [system] ')'==s
   Fail: (192) [system] ')'==s
   Call: (192) [system] get_char((0x560c892e10d0), s)
   Exit: (192) [system] get_char((0x560c892e10d0), s)
   Call: (192) [system] s=(\)
   Fail: (192) [system] s=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _657696)
   Call: (193) [system] peek_char((0x560c892e10d0), _658630)
   Exit: (193) [system] peek_char((0x560c892e10d0), i)
^  Call: (193) [user] is_delimiter(i)
   Call: (194) [system] char_type(i, space)
   Fail: (194) [system] char_type(i, space)
   Call: (194) [system] arg(_663350, v('(', ')', end_of_file), i)
   Fail: (194) [system] arg(_664282, v('(', ')', end_of_file), i)
^  Fail: (193) [user] is_delimiter(i)
   Call: (193) [system] ')'==i
   Fail: (193) [system] ')'==i
   Call: (193) [system] get_char((0x560c892e10d0), i)
   Exit: (193) [system] get_char((0x560c892e10d0), i)
   Call: (193) [system] i=(\)
   Fail: (193) [system] i=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _671632)
   Call: (194) [system] peek_char((0x560c892e10d0), _672566)
   Exit: (194) [system] peek_char((0x560c892e10d0), z)
^  Call: (194) [user] is_delimiter(z)
   Call: (195) [system] char_type(z, space)
   Fail: (195) [system] char_type(z, space)
   Call: (195) [system] arg(_677286, v('(', ')', end_of_file), z)
   Fail: (195) [system] arg(_678218, v('(', ')', end_of_file), z)
^  Fail: (194) [user] is_delimiter(z)
   Call: (194) [system] ')'==z
   Fail: (194) [system] ')'==z
   Call: (194) [system] get_char((0x560c892e10d0), z)
   Exit: (194) [system] get_char((0x560c892e10d0), z)
   Call: (194) [system] z=(\)
   Fail: (194) [system] z=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _685568)
   Call: (195) [system] peek_char((0x560c892e10d0), _686502)
   Exit: (195) [system] peek_char((0x560c892e10d0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_691222, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_692154, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x560c892e10d0), e)
   Exit: (195) [system] get_char((0x560c892e10d0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _699504)
   Call: (196) [system] peek_char((0x560c892e10d0), _700438)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _699504=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _685568=[e]
   Exit: (195) [system] [e]=[e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (194) [system] _671632=[z, e]
   Exit: (194) [system] [z, e]=[z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (193) [system] _657696=[i, z, e]
   Exit: (193) [system] [i, z, e]=[i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (192) [system] _643760=[s, i, z, e]
   Exit: (192) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (191) [system] _629824=[e, s, i, z, e]
   Exit: (191) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (190) [system] _615888=[h, e, s, i, z, e]
   Exit: (190) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (189) [system] _601952=[t, h, e, s, i, z, e]
   Exit: (189) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (188) [system] _588016=[n, t, h, e, s, i, z, e]
   Exit: (188) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (187) [system] _574080=[y, n, t, h, e, s, i, z, e]
   Exit: (187) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _538570)
^  Call: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _734868)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_735820, _735822), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _734868), _735802, fail)), '$restore_trace'(_735820, _735822))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_735820, _735822))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _735802, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (187) [system] integer(synthesize)
   Fail: (187) [system] integer(synthesize)
   Call: (187) [system] _538570=synthesize
   Exit: (187) [system] synthesize=synthesize
^  Exit: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (185) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _747948)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _749806)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _759400)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _762104)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _779038)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _784608)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _786466)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _802476)
   Exit: (186) [system] get_char((0x560c892e10d0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _784608)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _808046)
   Exit: (188) [system] peek_char((0x560c892e10d0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _824056)
   Exit: (187) [system] peek_char((0x560c892e10d0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _829626)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _831484)
   Exit: (189) [system] peek_char((0x560c892e10d0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _847494)
   Exit: (188) [system] get_char((0x560c892e10d0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), -, _829626)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _865136)
   Call: (190) [system] peek_char((0x560c892e10d0), _866070)
   Exit: (190) [system] peek_char((0x560c892e10d0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_870790, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_871722, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x560c892e10d0), >)
   Exit: (190) [system] get_char((0x560c892e10d0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _879072)
   Call: (191) [system] peek_char((0x560c892e10d0), _880006)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _879072=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (190) [system] _865136=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _829626)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _892084)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_893036, _893038), once(user:catch(read_from_chars([-, >], _892084), _893018, fail)), '$restore_trace'(_893036, _893038))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_893036, _893038))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _893018, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _829626=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _905164)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _907022)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _916616)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _919320)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _936254)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _941824)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _943682)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _959692)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _941824)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _977334)
   Call: (191) [system] peek_char((0x560c892e10d0), _978268)
   Exit: (191) [system] peek_char((0x560c892e10d0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_982988, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_983920, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x560c892e10d0), a)
   Exit: (191) [system] get_char((0x560c892e10d0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _991270)
   Call: (192) [system] peek_char((0x560c892e10d0), _992204)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _991270=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _977334=[a]
   Exit: (191) [system] [a]=[a]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [a])
^  Call: (190) [user] classify_and_convert_charseq([$, a], _941824)
^  Call: (191) [user] classify_and_convert_charseq_([$, a], _1004282)
   Call: (192) [system] atom_chars(_1005214, ['_', a])
   Exit: (192) [system] atom_chars('_a', ['_', a])
^  Exit: (191) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (191) [system] integer(_a)
   Fail: (191) [system] integer(_a)
   Call: (191) [system] _941824=_a
   Exit: (191) [system] _a=_a
^  Exit: (190) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _a)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _a)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1014506)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1016364)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1025958)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1028662)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1045596)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1051166)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1053024)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1069034)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1051166)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1074604)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1090614)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=')'
   Fail: (191) [system] (-)=')'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1096184)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1098042)
   Exit: (193) [system] peek_char((0x560c892e10d0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1114052)
   Exit: (192) [system] get_char((0x560c892e10d0), -)
   Call: (192) [system] (-)='('
   Fail: (192) [system] (-)='('
   Call: (192) [system] (-)='['
   Fail: (192) [system] (-)='['
   Call: (192) [system] (-)='{'
   Fail: (192) [system] (-)='{'
   Call: (192) [system] (-)='"'
   Fail: (192) [system] (-)='"'
   Call: (192) [system] (-)=!
   Fail: (192) [system] (-)=!
   Call: (192) [system] (-)='\''
   Fail: (192) [system] (-)='\''
   Call: (192) [system] (-)='`'
   Fail: (192) [system] (-)='`'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), -, _1096184)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1131694)
   Call: (194) [system] peek_char((0x560c892e10d0), _1132628)
   Exit: (194) [system] peek_char((0x560c892e10d0), >)
^  Call: (194) [user] is_delimiter(>)
   Call: (195) [system] char_type(>, space)
   Fail: (195) [system] char_type(>, space)
   Call: (195) [system] arg(_1137348, v('(', ')', end_of_file), >)
   Fail: (195) [system] arg(_1138280, v('(', ')', end_of_file), >)
^  Fail: (194) [user] is_delimiter(>)
   Call: (194) [system] ')'==(>)
   Fail: (194) [system] ')'==(>)
   Call: (194) [system] get_char((0x560c892e10d0), >)
   Exit: (194) [system] get_char((0x560c892e10d0), >)
   Call: (194) [system] (>)=(\)
   Fail: (194) [system] (>)=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1145630)
   Call: (195) [system] peek_char((0x560c892e10d0), _1146564)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1145630=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1131694=[>]
   Exit: (194) [system] [>]=[>]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (193) [user] classify_and_convert_charseq([-, >], _1096184)
^  Call: (194) [user] classify_and_convert_charseq_([-, >], _1158642)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1159594, _1159596), once(user:catch(read_from_chars([-, >], _1158642), _1159576, fail)), '$restore_trace'(_1159594, _1159596))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1159594, _1159596))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1159576, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(->)
   Exit: (195) [system] atomic(->)
^  Exit: (194) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (194) [system] integer(->)
   Fail: (194) [system] integer(->)
   Call: (194) [system] _1096184=(->)
   Exit: (194) [system] (->)=(->)
^  Exit: (193) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1171722)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1173580)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1183174)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1185878)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1202812)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1208382)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1210240)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1226250)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1208382)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1243892)
   Call: (195) [system] peek_char((0x560c892e10d0), _1244826)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1249546, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1250478, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257828)
   Call: (196) [system] peek_char((0x560c892e10d0), _1258762)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1263482, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1264414, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1271764)
   Call: (197) [system] peek_char((0x560c892e10d0), _1272698)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1277418, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1271764=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1257828=[t]
   Exit: (196) [system] [t]=[t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (195) [system] _1243892=[k, t]
   Exit: (195) [system] [k, t]=[k, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, t])
^  Call: (194) [user] classify_and_convert_charseq([$, k, t], _1208382)
^  Call: (195) [user] classify_and_convert_charseq_([$, k, t], _1289442)
   Call: (196) [system] atom_chars(_1290374, ['_', k, t])
   Exit: (196) [system] atom_chars('_kt', ['_', k, t])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k, t], _kt)
   Call: (195) [system] integer(_kt)
   Fail: (195) [system] integer(_kt)
   Call: (195) [system] _1208382=_kt
   Exit: (195) [system] _kt=_kt
^  Exit: (194) [user] classify_and_convert_charseq([$, k, t], _kt)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _kt)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _kt)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1299666)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1301524)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1317534)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1321324)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1299666=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1171722=[_kt]
   Exit: (192) [system] [_kt]=[_kt]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_kt])
   Call: (191) [system] _1051166=[->, _kt]
   Exit: (191) [system] [->, _kt]=[->, _kt]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [->, _kt])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [->, _kt])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1332412)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1334270)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1343864)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1346568)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1363502)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1369072)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1370930)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1386940)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1369072)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1392510)
   Exit: (193) [system] peek_char((0x560c892e10d0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1408520)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=')'
   Fail: (192) [system] (-)=')'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1414090)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1415948)
   Exit: (194) [system] peek_char((0x560c892e10d0), -)
   Call: (194) [system] (-)=(;)
   Fail: (194) [system] (-)=(;)
   Call: (194) [system] (-)=(/)
   Fail: (194) [system] (-)=(/)
^  Call: (194) [user] is_like_space(-)
   Call: (195) [system] char_type(-, 'white')
   Fail: (195) [system] char_type(-, 'white')
   Call: (195) [system] char_type(-, end_of_line)
   Fail: (195) [system] char_type(-, end_of_line)
   Call: (195) [system] char_type(-, space)
   Fail: (195) [system] char_type(-, space)
   Call: (195) [system] char_type(-, cntrl)
   Fail: (195) [system] char_type(-, cntrl)
^  Fail: (194) [user] is_like_space(-)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1431958)
   Exit: (193) [system] get_char((0x560c892e10d0), -)
   Call: (193) [system] (-)='('
   Fail: (193) [system] (-)='('
   Call: (193) [system] (-)='['
   Fail: (193) [system] (-)='['
   Call: (193) [system] (-)='{'
   Fail: (193) [system] (-)='{'
   Call: (193) [system] (-)='"'
   Fail: (193) [system] (-)='"'
   Call: (193) [system] (-)=!
   Fail: (193) [system] (-)=!
   Call: (193) [system] (-)='\''
   Fail: (193) [system] (-)='\''
   Call: (193) [system] (-)='`'
   Fail: (193) [system] (-)='`'
   Call: (193) [system] (-)=end_of_file
   Fail: (193) [system] (-)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), -, _1414090)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1449600)
   Call: (195) [system] peek_char((0x560c892e10d0), _1450534)
   Exit: (195) [system] peek_char((0x560c892e10d0), >)
^  Call: (195) [user] is_delimiter(>)
   Call: (196) [system] char_type(>, space)
   Fail: (196) [system] char_type(>, space)
   Call: (196) [system] arg(_1455254, v('(', ')', end_of_file), >)
   Fail: (196) [system] arg(_1456186, v('(', ')', end_of_file), >)
^  Fail: (195) [user] is_delimiter(>)
   Call: (195) [system] ')'==(>)
   Fail: (195) [system] ')'==(>)
   Call: (195) [system] get_char((0x560c892e10d0), >)
   Exit: (195) [system] get_char((0x560c892e10d0), >)
   Call: (195) [system] (>)=(\)
   Fail: (195) [system] (>)=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1463536)
   Call: (196) [system] peek_char((0x560c892e10d0), _1464470)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1463536=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1449600=[>]
   Exit: (195) [system] [>]=[>]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (194) [user] classify_and_convert_charseq([-, >], _1414090)
^  Call: (195) [user] classify_and_convert_charseq_([-, >], _1476548)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1477500, _1477502), once(user:catch(read_from_chars([-, >], _1476548), _1477482, fail)), '$restore_trace'(_1477500, _1477502))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1477500, _1477502))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1477482, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(->)
   Exit: (196) [system] atomic(->)
^  Exit: (195) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (195) [system] integer(->)
   Fail: (195) [system] integer(->)
   Call: (195) [system] _1414090=(->)
   Exit: (195) [system] (->)=(->)
^  Exit: (194) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1489628)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1491486)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1501080)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1503784)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1520718)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1526288)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1528146)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1544156)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1526288)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561798)
   Call: (196) [system] peek_char((0x560c892e10d0), _1562732)
   Exit: (196) [system] peek_char((0x560c892e10d0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1567452, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_1568384, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x560c892e10d0), r)
   Exit: (196) [system] get_char((0x560c892e10d0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575734)
   Call: (197) [system] peek_char((0x560c892e10d0), _1576668)
   Exit: (197) [system] peek_char((0x560c892e10d0), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Fail: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_1581388, v('(', ')', end_of_file), t)
   Fail: (198) [system] arg(_1582320, v('(', ')', end_of_file), t)
^  Fail: (197) [user] is_delimiter(t)
   Call: (197) [system] ')'==t
   Fail: (197) [system] ')'==t
   Call: (197) [system] get_char((0x560c892e10d0), t)
   Exit: (197) [system] get_char((0x560c892e10d0), t)
   Call: (197) [system] t=(\)
   Fail: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589670)
   Call: (198) [system] peek_char((0x560c892e10d0), _1590604)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1595324, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1589670=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _1575734=[t]
   Exit: (197) [system] [t]=[t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (196) [system] _1561798=[r, t]
   Exit: (196) [system] [r, t]=[r, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, t])
^  Call: (195) [user] classify_and_convert_charseq([$, r, t], _1526288)
^  Call: (196) [user] classify_and_convert_charseq_([$, r, t], _1607348)
   Call: (197) [system] atom_chars(_1608280, ['_', r, t])
   Exit: (197) [system] atom_chars('_rt', ['_', r, t])
^  Exit: (196) [user] classify_and_convert_charseq_([$, r, t], _rt)
   Call: (196) [system] integer(_rt)
   Fail: (196) [system] integer(_rt)
   Call: (196) [system] _1526288=_rt
   Exit: (196) [system] _rt=_rt
^  Exit: (195) [user] classify_and_convert_charseq([$, r, t], _rt)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _rt)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _rt)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1617572)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1619430)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1635440)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1639230)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1617572=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1489628=[_rt]
   Exit: (193) [system] [_rt]=[_rt]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_rt])
   Call: (192) [system] _1369072=[->, _rt]
   Exit: (192) [system] [->, _rt]=[->, _rt]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [->, _rt])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [->, _rt])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1650318)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1652176)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1661770)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1664474)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1681408)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'N')
   Call: (191) [system] 'N'=')'
   Fail: (191) [system] 'N'=')'
   Call: (191) [system] 'N'=end_of_file
   Fail: (191) [system] 'N'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1686978)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1688836)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1704846)
   Exit: (192) [system] get_char((0x560c892e10d0), 'N')
   Call: (192) [system] 'N'='('
   Fail: (192) [system] 'N'='('
   Call: (192) [system] 'N'='['
   Fail: (192) [system] 'N'='['
   Call: (192) [system] 'N'='{'
   Fail: (192) [system] 'N'='{'
   Call: (192) [system] 'N'='"'
   Fail: (192) [system] 'N'='"'
   Call: (192) [system] 'N'=!
   Fail: (192) [system] 'N'=!
   Call: (192) [system] 'N'='\''
   Fail: (192) [system] 'N'='\''
   Call: (192) [system] 'N'='`'
   Fail: (192) [system] 'N'='`'
   Call: (192) [system] 'N'=end_of_file
   Fail: (192) [system] 'N'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'N', _1686978)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1722488)
   Call: (194) [system] peek_char((0x560c892e10d0), _1723422)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
^  Call: (194) [user] is_delimiter(a)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] arg(_1728142, v('(', ')', end_of_file), a)
   Fail: (195) [system] arg(_1729074, v('(', ')', end_of_file), a)
^  Fail: (194) [user] is_delimiter(a)
   Call: (194) [system] ')'==a
   Fail: (194) [system] ')'==a
   Call: (194) [system] get_char((0x560c892e10d0), a)
   Exit: (194) [system] get_char((0x560c892e10d0), a)
   Call: (194) [system] a=(\)
   Fail: (194) [system] a=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1736424)
   Call: (195) [system] peek_char((0x560c892e10d0), _1737358)
   Exit: (195) [system] peek_char((0x560c892e10d0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1742078, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1743010, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x560c892e10d0), t)
   Exit: (195) [system] get_char((0x560c892e10d0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1750360)
   Call: (196) [system] peek_char((0x560c892e10d0), _1751294)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1750360=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1736424=[t]
   Exit: (195) [system] [t]=[t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (194) [system] _1722488=[a, t]
   Exit: (194) [system] [a, t]=[a, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t])
^  Call: (193) [user] classify_and_convert_charseq(['N', a, t], _1686978)
^  Call: (194) [user] classify_and_convert_charseq_(['N', a, t], _1766166)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1767118, _1767120), once(user:catch(read_from_chars(['N', a, t], _1766166), _1767100, fail)), '$restore_trace'(_1767118, _1767120))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1767118, _1767120))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1766166), _1767100, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1766166)
   Fail: (195) [system] atomic(_1766166)
   Call: (195) [system] atom_chars(_1766166, ['N', a, t])
   Exit: (195) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (194) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (194) [system] integer('Nat')
   Fail: (194) [system] integer('Nat')
   Call: (194) [system] _1686978='Nat'
   Exit: (194) [system] 'Nat'='Nat'
^  Exit: (193) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'Nat')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'Nat')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1781116)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1782974)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1792568)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1795272)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1812206)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1817776)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1819634)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1835644)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1817776)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1853286)
   Call: (195) [system] peek_char((0x560c892e10d0), _1854220)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
^  Call: (195) [user] is_delimiter(a)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] arg(_1858940, v('(', ')', end_of_file), a)
   Fail: (196) [system] arg(_1859872, v('(', ')', end_of_file), a)
^  Fail: (195) [user] is_delimiter(a)
   Call: (195) [system] ')'==a
   Fail: (195) [system] ')'==a
   Call: (195) [system] get_char((0x560c892e10d0), a)
   Exit: (195) [system] get_char((0x560c892e10d0), a)
   Call: (195) [system] a=(\)
   Fail: (195) [system] a=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1867222)
   Call: (196) [system] peek_char((0x560c892e10d0), _1868156)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1872876, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1867222=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1853286=[a]
   Exit: (195) [system] [a]=[a]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [a])
^  Call: (194) [user] classify_and_convert_charseq([$, a], _1817776)
^  Call: (195) [user] classify_and_convert_charseq_([$, a], _1882106)
   Call: (196) [system] atom_chars(_1883038, ['_', a])
   Exit: (196) [system] atom_chars('_a', ['_', a])
^  Exit: (195) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (195) [system] integer(_a)
   Fail: (195) [system] integer(_a)
   Call: (195) [system] _1817776=_a
   Exit: (195) [system] _a=_a
^  Exit: (194) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _a)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _a)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1892330)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1894188)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1910198)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1913988)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1892330=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1781116=[_a]
   Exit: (192) [system] [_a]=[_a]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_a])
   Call: (191) [system] _1650318=['Nat', _a]
   Exit: (191) [system] ['Nat', _a]=['Nat', _a]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['Nat', _a])
   Call: (190) [system] _1332412=[[->, _rt], 'Nat', _a]
   Exit: (190) [system] [[->, _rt], 'Nat', _a]=[[->, _rt], 'Nat', _a]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[->, _rt], 'Nat', _a])
   Call: (189) [system] _1014506=[[->, _kt], [->, _rt], 'Nat', _a]
   Exit: (189) [system] [[->, _kt], [->, _rt], 'Nat', _a]=[[->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] _905164=[_a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (188) [system] [_a, [->, _kt], [->, _rt], 'Nat', _a]=[_a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (187) [system] _784608=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (187) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1936252)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1938110)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1954120)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1957910)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1936252=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _747948=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (185) [system] [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (184) [system] _501910=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (184) [system] [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (183) [system] _3318=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (183) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [user] read_sexpr((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (178) [system] once(user:(read_position((0x560c892e10d0), 18, 0, 367, '$stream_position'(367, 18, 0, 367)), read_sexpr((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1976428, _1976430, _1976432, _1976434, _1976436))
^  Exit: (178) [user] retract(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1979260))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1979260)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), _1979260)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1982076))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1982076))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1982076)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1984876))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1984876)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), _1984876)
   Call: (188) [system] var('$COMMENT'(";;", 37, 0))
   Call: (188) [system] atom('$COMMENT'(";;", 37, 0))
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==true
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==false
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==[_1991396, _1991402]
   Call: (188) [system] is_list('$COMMENT'(";;", 37, 0))
   Call: (188) [system] string('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Exit: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), _1996030, _1996032)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;", 37, 0], _1999772)
   Call: (189) [apply] apply:maplist_([";;", 37, 0], _1999772, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;", _2001652)
   Call: (191) [system] var(";;")
   Call: (191) [system] atom(";;")
   Call: (191) [system] ";;"==true
   Call: (191) [system] ";;"==false
   Call: (191) [system] ";;"==[_2006294, _2006300]
   Call: (191) [system] is_list(";;")
   Call: (191) [system] string(";;")
   Exit: (191) [system] string(";;")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;")
^  Call: (191) [user] symbol(";;")
   Call: (192) [system] atom(";;")
   Fail: (192) [system] atom(";;")
^  Fail: (191) [user] symbol(";;")
   Call: (191) [system] ";;"=_2001652
   Exit: (191) [system] ";;"=";;"
^  Exit: (190) [user] mfix_vars1(";;", ";;")
   Call: (190) [apply] apply:maplist_([37, 0], _2001654, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(37, _2020174)
   Call: (192) [system] var(37)
   Call: (192) [system] atom(37)
   Call: (192) [system] 37==true
   Call: (192) [system] 37==false
   Call: (192) [system] 37==[_2024816, _2024822]
   Call: (192) [system] is_list(37)
   Call: (192) [system] string(37)
   Call: (192) [system] compound(37)
^  Call: (192) [user] symbol(37)
   Call: (193) [system] atom(37)
   Fail: (193) [system] atom(37)
^  Fail: (192) [user] symbol(37)
   Call: (192) [system] 37=_2020174
   Exit: (192) [system] 37=37
^  Exit: (191) [user] mfix_vars1(37, 37)
   Call: (191) [apply] apply:maplist_([0], _2020176, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _2035940)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_2040582, _2040588]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_2035940
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _2035942, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([37, 0], [37, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;", 37, 0], [";;", 37, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;", 37, 0], [";;", 37, 0])
   Call: (188) [system] compound_name_arguments(_1984876, '$COMMENT', [";;", 37, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2064758))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2064758))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2064758)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;", 37, 0), _2067558))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;", 37, 0), _2067558)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), _2067558)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1979260))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1979260))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1979260)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;", 37, 0), _2081516))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;", 37, 0), _2081516)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), _2081516)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (179) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 37, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;", 37, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 37, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 37, 0)))
   Call: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 37, 0), ynthesize_long_1729639320_140374, 16)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639320.7953231)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639320.7953231-1729639320.1364253
   Exit: (173) [system] 0.658897876739502 is 1729639320.7953231-1729639320.1364253
   Call: (173) [system] 0.658897876739502>4
   Fail: (173) [system] 0.658897876739502>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 3)
   Call: (175) [system] atom(3+1)
   Call: (175) [system] set_flag(translated_forms, 4)
   Exit: (175) [system] set_flag(translated_forms, 4)
   Exit: (174) [$syspreds] update_flag(translated_forms, 3, 3+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 3, 3+1))
   Exit: (171) [$syspreds] flag(translated_forms, 3, 3+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 37, 0), ynthesize_long_1729639320_140374, 16)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 37, 0), ynthesize_long_1729639320_140374, 16)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 3, 3+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 37, 0), ynthesize_long_1729639320_140374, 16)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 49)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 49))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 49))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _63798)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _71220)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _79558)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _82344=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _84212, _84214, _84216, _84218), read_sexpr((0x560c892e10d0), _84230), assertz(metta_file_comment(_84212, _84214, _84216, _84230, _84218))))
^  Call: (179) [user] read_position((0x560c892e10d0), _84212, _84214, _84216, _84218)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_84218))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_84218))
   Exit: (181) [system] nonvar(position(_84218))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _84212)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _94470)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _84212)
   Exit: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _84214)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _101904)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _84214)
   Exit: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _84216)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _109338)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _84216)
   Exit: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (179) [user] read_position((0x560c892e10d0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _84230)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _84230)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _119564)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _124202, _124204, _124206, _124208)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_124208))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_124208))
   Exit: (185) [system] nonvar(position(_124208))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _124202)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _133496)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _124202)
   Exit: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _124204)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _140930)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _124204)
   Exit: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _124206)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _148364)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _124206)
   Exit: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (183) [user] read_position((0x560c892e10d0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _153958)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _154888, _154890)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Nullary rule (axiom)")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _153958=";; Nullary rule (axiom)"
   Exit: (184) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Nullary rule (axiom)")
^  Call: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _165152)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _182086)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _84230)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _187656)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _203666)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _209236)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _211094)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _227104)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _209236)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _244746)
   Call: (185) [system] peek_char((0x560c892e10d0), _245680)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _244746=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _209236)
^  Call: (185) [user] classify_and_convert_charseq_([=], _254964)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_255916, _255918), once(user:catch(read_from_chars([=], _254964), _255898, fail)), '$restore_trace'(_255916, _255918))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_255916, _255918))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _255898, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _209236=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _268044)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _269902)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _279496)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _282200)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _299134)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _304704)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _306562)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _322572)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _304704)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _328142)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _344152)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _349722)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _351580)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _367590)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _349722)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _385232)
   Call: (188) [system] peek_char((0x560c892e10d0), _386166)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_390886, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_391818, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _399168)
   Call: (189) [system] peek_char((0x560c892e10d0), _400102)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_404822, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_405754, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _413104)
   Call: (190) [system] peek_char((0x560c892e10d0), _414038)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_418758, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_419690, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _427040)
   Call: (191) [system] peek_char((0x560c892e10d0), _427974)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_432694, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_433626, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _440976)
   Call: (192) [system] peek_char((0x560c892e10d0), _441910)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_446630, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_447562, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _454912)
   Call: (193) [system] peek_char((0x560c892e10d0), _455846)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_460566, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_461498, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _468848)
   Call: (194) [system] peek_char((0x560c892e10d0), _469782)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_474502, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_475434, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _482784)
   Call: (195) [system] peek_char((0x560c892e10d0), _483718)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_488438, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_489370, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _496720)
   Call: (196) [system] peek_char((0x560c892e10d0), _497654)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_502374, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_503306, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _510656)
   Call: (197) [system] peek_char((0x560c892e10d0), _511590)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _510656=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _496720=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _482784=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _468848=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _454912=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _440976=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _427040=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _413104=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _399168=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _385232=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _349722)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _546020)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_546972, _546974), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _546020), _546954, fail)), '$restore_trace'(_546972, _546974))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_546972, _546974))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _546954, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _349722=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _559100)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _560958)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _570552)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _573256)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _590190)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _595760)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _597618)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _613628)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _595760)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _631270)
   Call: (189) [system] peek_char((0x560c892e10d0), _632204)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_636924, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_637856, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _645206)
   Call: (190) [system] peek_char((0x560c892e10d0), _646140)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_650860, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_651792, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _659142)
   Call: (191) [system] peek_char((0x560c892e10d0), _660076)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_664796, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_665728, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _673078)
   Call: (192) [system] peek_char((0x560c892e10d0), _674012)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_678732, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_679664, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _687014)
   Call: (193) [system] peek_char((0x560c892e10d0), _687948)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_692668, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_693600, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _700950)
   Call: (194) [system] peek_char((0x560c892e10d0), _701884)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _700950=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _687014=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _673078=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _659142=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _645206=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _631270=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _595760)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _725138)
   Call: (190) [system] atom_chars(_726070, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _595760=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _735362)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _737220)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _746814)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _749518)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _766452)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _772022)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _773880)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _789890)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _772022)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _807532)
   Call: (190) [system] peek_char((0x560c892e10d0), _808466)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_813186, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_814118, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _821468)
   Call: (191) [system] peek_char((0x560c892e10d0), _822402)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_827122, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_828054, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _835404)
   Call: (192) [system] peek_char((0x560c892e10d0), _836338)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _835404=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _821468=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _807532=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _772022)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _851210)
   Call: (191) [system] atom_chars(_852142, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _772022=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _861434)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _863292)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _872886)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _875590)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _892524)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _898094)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _899952)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _915962)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _898094)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _933604)
   Call: (191) [system] peek_char((0x560c892e10d0), _934538)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_939258, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_940190, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _947540)
   Call: (192) [system] peek_char((0x560c892e10d0), _948474)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_953194, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_954126, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _961476)
   Call: (193) [system] peek_char((0x560c892e10d0), _962410)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _961476=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _947540=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _933604=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _898094)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _977282)
   Call: (192) [system] atom_chars(_978214, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _898094=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _987506)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _989364)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _998958)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1001662)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1018596)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1024166)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1026024)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1042034)
   Exit: (190) [system] get_char((0x560c892e10d0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x560c892e10d0), $, _1024166)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059676)
   Call: (192) [system] peek_char((0x560c892e10d0), _1060610)
   Exit: (192) [system] peek_char((0x560c892e10d0), d)
^  Call: (192) [user] is_delimiter(d)
   Call: (193) [system] char_type(d, space)
   Fail: (193) [system] char_type(d, space)
   Call: (193) [system] arg(_1065330, v('(', ')', end_of_file), d)
   Fail: (193) [system] arg(_1066262, v('(', ')', end_of_file), d)
^  Fail: (192) [user] is_delimiter(d)
   Call: (192) [system] ')'==d
   Fail: (192) [system] ')'==d
   Call: (192) [system] get_char((0x560c892e10d0), d)
   Exit: (192) [system] get_char((0x560c892e10d0), d)
   Call: (192) [system] d=(\)
   Fail: (192) [system] d=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073612)
   Call: (193) [system] peek_char((0x560c892e10d0), _1074546)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1079266, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1080198, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087548)
   Call: (194) [system] peek_char((0x560c892e10d0), _1088482)
   Exit: (194) [system] peek_char((0x560c892e10d0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1093202, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1094134, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x560c892e10d0), p)
   Exit: (194) [system] get_char((0x560c892e10d0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101484)
   Call: (195) [system] peek_char((0x560c892e10d0), _1102418)
   Exit: (195) [system] peek_char((0x560c892e10d0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1107138, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1108070, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x560c892e10d0), t)
   Exit: (195) [system] get_char((0x560c892e10d0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1115420)
   Call: (196) [system] peek_char((0x560c892e10d0), _1116354)
   Exit: (196) [system] peek_char((0x560c892e10d0), h)
^  Call: (196) [user] is_delimiter(h)
   Call: (197) [system] char_type(h, space)
   Fail: (197) [system] char_type(h, space)
   Call: (197) [system] arg(_1121074, v('(', ')', end_of_file), h)
   Fail: (197) [system] arg(_1122006, v('(', ')', end_of_file), h)
^  Fail: (196) [user] is_delimiter(h)
   Call: (196) [system] ')'==h
   Fail: (196) [system] ')'==h
   Call: (196) [system] get_char((0x560c892e10d0), h)
   Exit: (196) [system] get_char((0x560c892e10d0), h)
   Call: (196) [system] h=(\)
   Fail: (196) [system] h=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1129356)
   Call: (197) [system] peek_char((0x560c892e10d0), _1130290)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1135010, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1129356=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1115420=[h]
   Exit: (196) [system] [h]=[h]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [h])
   Call: (195) [system] _1101484=[t, h]
   Exit: (195) [system] [t, h]=[t, h]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h])
   Call: (194) [system] _1087548=[p, t, h]
   Exit: (194) [system] [p, t, h]=[p, t, h]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, t, h])
   Call: (193) [system] _1073612=[e, p, t, h]
   Exit: (193) [system] [e, p, t, h]=[e, p, t, h]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, p, t, h])
   Call: (192) [system] _1059676=[d, e, p, t, h]
   Exit: (192) [system] [d, e, p, t, h]=[d, e, p, t, h]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e, p, t, h])
^  Call: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _1024166)
^  Call: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _1155416)
   Call: (193) [system] atom_chars(_1156348, ['_', d, e, p, t, h])
   Exit: (193) [system] atom_chars('_depth', ['_', d, e, p, t, h])
^  Exit: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _depth)
   Call: (192) [system] integer(_depth)
   Fail: (192) [system] integer(_depth)
   Call: (192) [system] _1024166=_depth
   Exit: (192) [system] _depth=_depth
^  Exit: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _depth)
^  Exit: (190) [user] read_symbolic(')', (0x560c892e10d0), $, _depth)
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), _depth)
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1165640)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1167498)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1183508)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _1187298)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1165640=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _987506=[_depth]
   Exit: (189) [system] [_depth]=[_depth]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [_depth])
   Call: (188) [system] _861434=[_rb, _depth]
   Exit: (188) [system] [_rb, _depth]=[_rb, _depth]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, _depth])
   Call: (187) [system] _735362=[_kb, _rb, _depth]
   Exit: (187) [system] [_kb, _rb, _depth]=[_kb, _rb, _depth]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _depth])
   Call: (186) [system] _559100=[_query, _kb, _rb, _depth]
   Exit: (186) [system] [_query, _kb, _rb, _depth]=[_query, _kb, _rb, _depth]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, _depth])
   Call: (185) [system] _304704=[synthesize, _query, _kb, _rb, _depth]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, _depth]=[synthesize, _query, _kb, _rb, _depth]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, _depth])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, _depth])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1206768)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1208626)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _1220076)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1222780)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1232374)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1235078)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1244672)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1247376)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1256970)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1259674)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1279380)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1284950)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1286808)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1302818)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1284950)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1308388)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1324398)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1329968)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1331826)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1347836)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _1329968)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1365478)
   Call: (189) [system] peek_char((0x560c892e10d0), _1366412)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1371132, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1372064, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1379414)
   Call: (190) [system] peek_char((0x560c892e10d0), _1380348)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1385068, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1386000, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1393350)
   Call: (191) [system] peek_char((0x560c892e10d0), _1394284)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1393350=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (190) [system] _1379414=[t]
   Exit: (190) [system] [t]=[t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (189) [system] _1365478=[e, t]
   Exit: (189) [system] [e, t]=[e, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t], _1329968)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t], _1409156)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1410108, _1410110), once(user:catch(read_from_chars([l, e, t], _1409156), _1410090, fail)), '$restore_trace'(_1410108, _1410110))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1410108, _1410110))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([l, e, t], let), _1410090, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(let)
   Exit: (190) [system] atomic(let)
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t], let)
   Call: (189) [system] integer(let)
   Fail: (189) [system] integer(let)
   Call: (189) [system] _1329968=let
   Exit: (189) [system] let=let
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t], let)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, let)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), let)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1422236)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1424094)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1433688)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1436392)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1453326)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1458896)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1460754)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1476764)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _1458896)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1494406)
   Call: (190) [system] peek_char((0x560c892e10d0), _1495340)
   Exit: (190) [system] peek_char((0x560c892e10d0), q)
^  Call: (190) [user] is_delimiter(q)
   Call: (191) [system] char_type(q, space)
   Fail: (191) [system] char_type(q, space)
   Call: (191) [system] arg(_1500060, v('(', ')', end_of_file), q)
   Fail: (191) [system] arg(_1500992, v('(', ')', end_of_file), q)
^  Fail: (190) [user] is_delimiter(q)
   Call: (190) [system] ')'==q
   Fail: (190) [system] ')'==q
   Call: (190) [system] get_char((0x560c892e10d0), q)
   Exit: (190) [system] get_char((0x560c892e10d0), q)
   Call: (190) [system] q=(\)
   Fail: (190) [system] q=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508342)
   Call: (191) [system] peek_char((0x560c892e10d0), _1509276)
   Exit: (191) [system] peek_char((0x560c892e10d0), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Fail: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_1513996, v('(', ')', end_of_file), u)
   Fail: (192) [system] arg(_1514928, v('(', ')', end_of_file), u)
^  Fail: (191) [user] is_delimiter(u)
   Call: (191) [system] ')'==u
   Fail: (191) [system] ')'==u
   Call: (191) [system] get_char((0x560c892e10d0), u)
   Exit: (191) [system] get_char((0x560c892e10d0), u)
   Call: (191) [system] u=(\)
   Fail: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522278)
   Call: (192) [system] peek_char((0x560c892e10d0), _1523212)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1527932, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1528864, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536214)
   Call: (193) [system] peek_char((0x560c892e10d0), _1537148)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
^  Call: (193) [user] is_delimiter(r)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] arg(_1541868, v('(', ')', end_of_file), r)
   Fail: (194) [system] arg(_1542800, v('(', ')', end_of_file), r)
^  Fail: (193) [user] is_delimiter(r)
   Call: (193) [system] ')'==r
   Fail: (193) [system] ')'==r
   Call: (193) [system] get_char((0x560c892e10d0), r)
   Exit: (193) [system] get_char((0x560c892e10d0), r)
   Call: (193) [system] r=(\)
   Fail: (193) [system] r=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1550150)
   Call: (194) [system] peek_char((0x560c892e10d0), _1551084)
   Exit: (194) [system] peek_char((0x560c892e10d0), y)
^  Call: (194) [user] is_delimiter(y)
   Call: (195) [system] char_type(y, space)
   Fail: (195) [system] char_type(y, space)
   Call: (195) [system] arg(_1555804, v('(', ')', end_of_file), y)
   Fail: (195) [system] arg(_1556736, v('(', ')', end_of_file), y)
^  Fail: (194) [user] is_delimiter(y)
   Call: (194) [system] ')'==y
   Fail: (194) [system] ')'==y
   Call: (194) [system] get_char((0x560c892e10d0), y)
   Exit: (194) [system] get_char((0x560c892e10d0), y)
   Call: (194) [system] y=(\)
   Fail: (194) [system] y=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1564086)
   Call: (195) [system] peek_char((0x560c892e10d0), _1565020)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1564086=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1550150=[y]
   Exit: (194) [system] [y]=[y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (193) [system] _1536214=[r, y]
   Exit: (193) [system] [r, y]=[r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (192) [system] _1522278=[e, r, y]
   Exit: (192) [system] [e, r, y]=[e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (191) [system] _1508342=[u, e, r, y]
   Exit: (191) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (190) [system] _1494406=[q, u, e, r, y]
   Exit: (190) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1458896)
^  Call: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1588274)
   Call: (191) [system] atom_chars(_1589206, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (190) [system] integer(_query)
   Fail: (190) [system] integer(_query)
   Call: (190) [system] _1458896=_query
   Exit: (190) [system] _query=_query
^  Exit: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1598498)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1600356)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1609950)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1612654)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1629588)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1635158)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1637016)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1653026)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1635158)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1658596)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1674606)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=')'
   Fail: (190) [system] ($)=')'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1680176)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1682034)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=(;)
   Fail: (192) [system] ($)=(;)
   Call: (192) [system] ($)=(/)
   Fail: (192) [system] ($)=(/)
^  Call: (192) [user] is_like_space($)
   Call: (193) [system] char_type($, 'white')
   Fail: (193) [system] char_type($, 'white')
   Call: (193) [system] char_type($, end_of_line)
   Fail: (193) [system] char_type($, end_of_line)
   Call: (193) [system] char_type($, space)
   Fail: (193) [system] char_type($, space)
   Call: (193) [system] char_type($, cntrl)
   Fail: (193) [system] char_type($, cntrl)
^  Fail: (192) [user] is_like_space($)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1698044)
   Exit: (191) [system] get_char((0x560c892e10d0), $)
   Call: (191) [system] ($)='('
   Fail: (191) [system] ($)='('
   Call: (191) [system] ($)='['
   Fail: (191) [system] ($)='['
   Call: (191) [system] ($)='{'
   Fail: (191) [system] ($)='{'
   Call: (191) [system] ($)='"'
   Fail: (191) [system] ($)='"'
   Call: (191) [system] ($)=!
   Fail: (191) [system] ($)=!
   Call: (191) [system] ($)='\''
   Fail: (191) [system] ($)='\''
   Call: (191) [system] ($)='`'
   Fail: (191) [system] ($)='`'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), $, _1680176)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1715686)
   Call: (193) [system] peek_char((0x560c892e10d0), _1716620)
   Exit: (193) [system] peek_char((0x560c892e10d0), k)
^  Call: (193) [user] is_delimiter(k)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] arg(_1721340, v('(', ')', end_of_file), k)
   Fail: (194) [system] arg(_1722272, v('(', ')', end_of_file), k)
^  Fail: (193) [user] is_delimiter(k)
   Call: (193) [system] ')'==k
   Fail: (193) [system] ')'==k
   Call: (193) [system] get_char((0x560c892e10d0), k)
   Exit: (193) [system] get_char((0x560c892e10d0), k)
   Call: (193) [system] k=(\)
   Fail: (193) [system] k=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1729622)
   Call: (194) [system] peek_char((0x560c892e10d0), _1730556)
   Exit: (194) [system] peek_char((0x560c892e10d0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1735276, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1736208, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x560c892e10d0), b)
   Exit: (194) [system] get_char((0x560c892e10d0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1743558)
   Call: (195) [system] peek_char((0x560c892e10d0), _1744492)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1749212, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1743558=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1729622=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (193) [system] _1715686=[k, b]
   Exit: (193) [system] [k, b]=[k, b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (192) [user] classify_and_convert_charseq([$, k, b], _1680176)
^  Call: (193) [user] classify_and_convert_charseq_([$, k, b], _1761236)
   Call: (194) [system] atom_chars(_1762168, ['_', k, b])
   Exit: (194) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (193) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (193) [system] integer(_kb)
   Fail: (193) [system] integer(_kb)
   Call: (193) [system] _1680176=_kb
   Exit: (193) [system] _kb=_kb
^  Exit: (192) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1771460)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1773318)
   Exit: (192) [system] peek_char((0x560c892e10d0), ')')
   Call: (192) [system] ')'=(;)
   Fail: (192) [system] ')'=(;)
   Call: (192) [system] ')'=(/)
   Fail: (192) [system] ')'=(/)
^  Call: (192) [user] is_like_space(')')
   Call: (193) [system] char_type(')', 'white')
   Fail: (193) [system] char_type(')', 'white')
   Call: (193) [system] char_type(')', end_of_line)
   Fail: (193) [system] char_type(')', end_of_line)
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] char_type(')', cntrl)
   Fail: (193) [system] char_type(')', cntrl)
^  Fail: (192) [user] is_like_space(')')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1789328)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=')'
   Exit: (191) [system] ')'=')'
   Call: (191) [system] get_char((0x560c892e10d0), _1793118)
   Exit: (191) [system] get_char((0x560c892e10d0), ')')
   Call: (191) [system] _1771460=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [])
   Call: (190) [system] _1635158=[_kb]
   Exit: (190) [system] [_kb]=[_kb]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [_kb])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [_kb])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1801412)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1803270)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1812864)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1815568)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1832502)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1838072)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1839930)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1855940)
   Exit: (190) [system] get_char((0x560c892e10d0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x560c892e10d0), $, _1838072)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873582)
   Call: (192) [system] peek_char((0x560c892e10d0), _1874516)
   Exit: (192) [system] peek_char((0x560c892e10d0), q)
^  Call: (192) [user] is_delimiter(q)
   Call: (193) [system] char_type(q, space)
   Fail: (193) [system] char_type(q, space)
   Call: (193) [system] arg(_1879236, v('(', ')', end_of_file), q)
   Fail: (193) [system] arg(_1880168, v('(', ')', end_of_file), q)
^  Fail: (192) [user] is_delimiter(q)
   Call: (192) [system] ')'==q
   Fail: (192) [system] ')'==q
   Call: (192) [system] get_char((0x560c892e10d0), q)
   Exit: (192) [system] get_char((0x560c892e10d0), q)
   Call: (192) [system] q=(\)
   Fail: (192) [system] q=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1887518)
   Call: (193) [system] peek_char((0x560c892e10d0), _1888452)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1893172, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1894104, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1901454)
   Call: (194) [system] peek_char((0x560c892e10d0), _1902388)
   Exit: (194) [system] peek_char((0x560c892e10d0), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Fail: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_1907108, v('(', ')', end_of_file), e)
   Fail: (195) [system] arg(_1908040, v('(', ')', end_of_file), e)
^  Fail: (194) [user] is_delimiter(e)
   Call: (194) [system] ')'==e
   Fail: (194) [system] ')'==e
   Call: (194) [system] get_char((0x560c892e10d0), e)
   Exit: (194) [system] get_char((0x560c892e10d0), e)
   Call: (194) [system] e=(\)
   Fail: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1915390)
   Call: (195) [system] peek_char((0x560c892e10d0), _1916324)
   Exit: (195) [system] peek_char((0x560c892e10d0), r)
^  Call: (195) [user] is_delimiter(r)
   Call: (196) [system] char_type(r, space)
   Fail: (196) [system] char_type(r, space)
   Call: (196) [system] arg(_1921044, v('(', ')', end_of_file), r)
   Fail: (196) [system] arg(_1921976, v('(', ')', end_of_file), r)
^  Fail: (195) [user] is_delimiter(r)
   Call: (195) [system] ')'==r
   Fail: (195) [system] ')'==r
   Call: (195) [system] get_char((0x560c892e10d0), r)
   Exit: (195) [system] get_char((0x560c892e10d0), r)
   Call: (195) [system] r=(\)
   Fail: (195) [system] r=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1929326)
   Call: (196) [system] peek_char((0x560c892e10d0), _1930260)
   Exit: (196) [system] peek_char((0x560c892e10d0), y)
^  Call: (196) [user] is_delimiter(y)
   Call: (197) [system] char_type(y, space)
   Fail: (197) [system] char_type(y, space)
   Call: (197) [system] arg(_1934980, v('(', ')', end_of_file), y)
   Fail: (197) [system] arg(_1935912, v('(', ')', end_of_file), y)
^  Fail: (196) [user] is_delimiter(y)
   Call: (196) [system] ')'==y
   Fail: (196) [system] ')'==y
   Call: (196) [system] get_char((0x560c892e10d0), y)
   Exit: (196) [system] get_char((0x560c892e10d0), y)
   Call: (196) [system] y=(\)
   Fail: (196) [system] y=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1943262)
   Call: (197) [system] peek_char((0x560c892e10d0), _1944196)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1948916, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1943262=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1929326=[y]
   Exit: (196) [system] [y]=[y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (195) [system] _1915390=[r, y]
   Exit: (195) [system] [r, y]=[r, y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (194) [system] _1901454=[e, r, y]
   Exit: (194) [system] [e, r, y]=[e, r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (193) [system] _1887518=[u, e, r, y]
   Exit: (193) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (192) [system] _1873582=[q, u, e, r, y]
   Exit: (192) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1838072)
^  Call: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1969322)
   Call: (193) [system] atom_chars(_1970254, ['_', q, u, e, r, y])
   Exit: (193) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (192) [system] integer(_query)
   Fail: (192) [system] integer(_query)
   Call: (192) [system] _1838072=_query
   Exit: (192) [system] _query=_query
^  Exit: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (190) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1979546)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1981404)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1997414)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _2001204)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1979546=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _1801412=[_query]
   Exit: (189) [system] [_query]=[_query]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (188) [system] _1598498=[[_kb], _query]
   Exit: (188) [system] [[_kb], _query]=[[_kb], _query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[_kb], _query])
   Call: (187) [system] _1422236=[_query, [_kb], _query]
   Exit: (187) [system] [_query, [_kb], _query]=[_query, [_kb], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_query, [_kb], _query])
   Call: (186) [system] _1284950=[let, _query, [_kb], _query]
   Exit: (186) [system] [let, _query, [_kb], _query]=[let, _query, [_kb], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [let, _query, [_kb], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [let, _query, [_kb], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _2017880)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2019738)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _2035748)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _2039538)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _2017880=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _1206768=[[let, _query, [_kb], _query]]
   Exit: (184) [system] [[let, _query, [_kb], _query]]=[[let, _query, [_kb], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[let, _query, [_kb], _query]])
   Call: (183) [system] _268044=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (182) [system] _84230=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2058056, _2058058, _2058060, _2058062, _2058064))
^  Exit: (177) [user] retract(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2060896))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2060896)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2060896)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2063712))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2063712))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2063712)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2066512))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2066512)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2066512)
   Call: (187) [system] var('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] atom('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==true
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==false
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==[_2073032, _2073038]
   Call: (187) [system] is_list('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] string('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2077666, _2077668)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], _2081408)
   Call: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], _2081408, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", _2083288)
   Call: (190) [system] var(";; $rb: a nullary function to rule")
   Call: (190) [system] atom(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"==true
   Call: (190) [system] ";; $rb: a nullary function to rule"==false
   Call: (190) [system] ";; $rb: a nullary function to rule"==[_2087930, _2087936]
   Call: (190) [system] is_list(";; $rb: a nullary function to rule")
   Call: (190) [system] string(";; $rb: a nullary function to rule")
   Exit: (190) [system] string(";; $rb: a nullary function to rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $rb: a nullary function to rule")
^  Call: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (191) [system] atom(";; $rb: a nullary function to rule")
   Fail: (191) [system] atom(";; $rb: a nullary function to rule")
^  Fail: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"=_3406
   Exit: (190) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
^  Exit: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
   Call: (189) [apply] apply:maplist_([38, 0], _3408, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(38, _8404)
   Call: (191) [system] var(38)
   Call: (191) [system] atom(38)
   Call: (191) [system] 38==true
   Call: (191) [system] 38==false
   Call: (191) [system] 38==[_13046, _13052]
   Call: (191) [system] is_list(38)
   Call: (191) [system] string(38)
   Call: (191) [system] compound(38)
^  Call: (191) [user] symbol(38)
   Call: (192) [system] atom(38)
   Fail: (192) [system] atom(38)
^  Fail: (191) [user] symbol(38)
   Call: (191) [system] 38=_8404
   Exit: (191) [system] 38=38
^  Exit: (190) [user] mfix_vars1(38, 38)
   Call: (190) [apply] apply:maplist_([0], _8406, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _24170)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_28812, _28818]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_24170
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _24172, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([38, 0], [38, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] compound_name_arguments(_3360, '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _52988))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _52988))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _52988)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _55788))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _55788)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _55788)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _69746))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _69746)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _69746)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (178) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1729639320_140374, 49)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639321.026824)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639321.026824-1729639320.1364253
   Exit: (173) [system] 0.8903987407684326 is 1729639321.026824-1729639320.1364253
   Call: (173) [system] 0.8903987407684326>4
   Fail: (173) [system] 0.8903987407684326>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 4)
   Call: (175) [system] atom(4+1)
   Call: (175) [system] set_flag(translated_forms, 5)
   Exit: (175) [system] set_flag(translated_forms, 5)
   Exit: (174) [$syspreds] update_flag(translated_forms, 4, 4+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 4, 4+1))
   Exit: (171) [$syspreds] flag(translated_forms, 4, 4+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1729639320_140374, 49)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1729639320_140374, 49)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 4, 4+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1729639320_140374, 49)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 52)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 52))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 52))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _144530)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _151952)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _160290)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _163076=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _164944, _164946, _164948, _164950), read_sexpr((0x560c892e10d0), _164962), assertz(metta_file_comment(_164944, _164946, _164948, _164962, _164950))))
^  Call: (179) [user] read_position((0x560c892e10d0), _164944, _164946, _164948, _164950)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_164950))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_164950))
   Exit: (181) [system] nonvar(position(_164950))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _164944)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _175202)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _164944)
   Exit: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _164946)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _182636)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _164946)
   Exit: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _164948)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _190070)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _164948)
   Exit: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (179) [user] read_position((0x560c892e10d0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _164962)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _164962)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _200296)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _204934, _204936, _204938, _204940)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_204940))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_204940))
   Exit: (185) [system] nonvar(position(_204940))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _204934)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _214228)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _204934)
   Exit: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _204936)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _221662)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _204936)
   Exit: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _204938)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _229096)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _204938)
   Exit: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (183) [user] read_position((0x560c892e10d0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _234690)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _235620, _235622)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Unary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _234690=";; Unary rule"
   Exit: (184) [system] ";; Unary rule"=";; Unary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Unary rule")
^  Call: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _245880)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _262814)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _164962)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _268384)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _284394)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _289964)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _291822)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _307832)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _289964)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _325474)
   Call: (185) [system] peek_char((0x560c892e10d0), _326408)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _325474=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _289964)
^  Call: (185) [user] classify_and_convert_charseq_([=], _335692)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_336644, _336646), once(user:catch(read_from_chars([=], _335692), _336626, fail)), '$restore_trace'(_336644, _336646))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_336644, _336646))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _336626, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _289964=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _348772)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _350630)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _360224)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _362928)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _379862)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _385432)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _387290)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _403300)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _385432)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _408870)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _424880)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _430450)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _432308)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _448318)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _430450)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _465960)
   Call: (188) [system] peek_char((0x560c892e10d0), _466894)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_471614, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_472546, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _479896)
   Call: (189) [system] peek_char((0x560c892e10d0), _480830)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_485550, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_486482, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _493832)
   Call: (190) [system] peek_char((0x560c892e10d0), _494766)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_499486, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_500418, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _507768)
   Call: (191) [system] peek_char((0x560c892e10d0), _508702)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_513422, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_514354, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _521704)
   Call: (192) [system] peek_char((0x560c892e10d0), _522638)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_527358, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_528290, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _535640)
   Call: (193) [system] peek_char((0x560c892e10d0), _536574)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_541294, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_542226, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _549576)
   Call: (194) [system] peek_char((0x560c892e10d0), _550510)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_555230, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_556162, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _563512)
   Call: (195) [system] peek_char((0x560c892e10d0), _564446)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_569166, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_570098, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _577448)
   Call: (196) [system] peek_char((0x560c892e10d0), _578382)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_583102, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_584034, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _591384)
   Call: (197) [system] peek_char((0x560c892e10d0), _592318)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _591384=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _577448=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _563512=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _549576=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _535640=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _521704=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _507768=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _493832=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _479896=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _465960=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _430450)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _626748)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_627700, _627702), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _626748), _627682, fail)), '$restore_trace'(_627700, _627702))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_627700, _627702))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _627682, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _430450=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _639828)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _641686)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _651280)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _653984)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _670918)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _676488)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _678346)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _694356)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _676488)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _711998)
   Call: (189) [system] peek_char((0x560c892e10d0), _712932)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_717652, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_718584, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _725934)
   Call: (190) [system] peek_char((0x560c892e10d0), _726868)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_731588, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_732520, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _739870)
   Call: (191) [system] peek_char((0x560c892e10d0), _740804)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_745524, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_746456, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _753806)
   Call: (192) [system] peek_char((0x560c892e10d0), _754740)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_759460, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_760392, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _767742)
   Call: (193) [system] peek_char((0x560c892e10d0), _768676)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_773396, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_774328, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _781678)
   Call: (194) [system] peek_char((0x560c892e10d0), _782612)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _781678=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _767742=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _753806=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _739870=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _725934=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _711998=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _676488)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _805866)
   Call: (190) [system] atom_chars(_806798, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _676488=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _816090)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _817948)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _827542)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _830246)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _847180)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _852750)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _854608)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _870618)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _852750)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _888260)
   Call: (190) [system] peek_char((0x560c892e10d0), _889194)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_893914, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_894846, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _902196)
   Call: (191) [system] peek_char((0x560c892e10d0), _903130)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_907850, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_908782, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _916132)
   Call: (192) [system] peek_char((0x560c892e10d0), _917066)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _916132=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _902196=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _888260=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _852750)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _931938)
   Call: (191) [system] atom_chars(_932870, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _852750=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _942162)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _944020)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _953614)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _956318)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _973252)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _978822)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _980680)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _996690)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _978822)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014332)
   Call: (191) [system] peek_char((0x560c892e10d0), _1015266)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1019986, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1020918, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1028268)
   Call: (192) [system] peek_char((0x560c892e10d0), _1029202)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1033922, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1034854, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1042204)
   Call: (193) [system] peek_char((0x560c892e10d0), _1043138)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1042204=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _1028268=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _1014332=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _978822)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1058010)
   Call: (192) [system] atom_chars(_1058942, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _978822=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1068234)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1070092)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1079686)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1082390)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1099324)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1104894)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1106752)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1122762)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1104894)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1128332)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1144342)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1149912)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1151770)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1167780)
   Exit: (192) [system] get_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', _1149912)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1185422)
   Call: (194) [system] peek_char((0x560c892e10d0), _1186356)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1185422=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1149912)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1195640)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1196592, _1196594), once(user:catch(read_from_chars(['S'], _1195640), _1196574, fail)), '$restore_trace'(_1196592, _1196594))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1196592, _1196594))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1195640), _1196574, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1195640)
   Fail: (195) [system] atomic(_1195640)
   Call: (195) [system] atom_chars(_1195640, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1149912='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1210590)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1212448)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1222042)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1224746)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1241680)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1247250)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1249108)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1265118)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1247250)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1282760)
   Call: (195) [system] peek_char((0x560c892e10d0), _1283694)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1288414, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1289346, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1296696)
   Call: (196) [system] peek_char((0x560c892e10d0), _1297630)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1302350, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1296696=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1282760=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1247250)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1311580)
   Call: (196) [system] atom_chars(_1312512, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1247250=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1321804)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1323662)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1339672)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1343462)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1321804=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1210590=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (191) [system] _1104894=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1354550)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1356408)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1372418)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _1376208)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1354550=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _1068234=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [['S', _k]])
   Call: (188) [system] _942162=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, ['S', _k]])
   Call: (187) [system] _816090=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _639828=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _385432=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1395678)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1397536)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _1408986)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1411690)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1421284)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1423988)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1433582)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1436286)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1445880)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1448584)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1468290)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1473860)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1475718)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1491728)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1473860)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1497298)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1513308)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1518878)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1520736)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1536746)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _1518878)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1554388)
   Call: (189) [system] peek_char((0x560c892e10d0), _1555322)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1560042, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1560974, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1568324)
   Call: (190) [system] peek_char((0x560c892e10d0), _1569258)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1573978, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1574910, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1582260)
   Call: (191) [system] peek_char((0x560c892e10d0), _1583194)
   Exit: (191) [system] peek_char((0x560c892e10d0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1587914, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1588846, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x560c892e10d0), *)
   Exit: (191) [system] get_char((0x560c892e10d0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1596196)
   Call: (192) [system] peek_char((0x560c892e10d0), _1597130)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1596196=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1582260=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [*])
   Call: (190) [system] _1568324=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, *])
   Call: (189) [system] _1554388=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1518878)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1614796)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1615748, _1615750), once(user:catch(read_from_chars([l, e, t, *], _1614796), _1615730, fail)), '$restore_trace'(_1615748, _1615750))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1615748, _1615750))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), 'let*')
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _12826)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _14684)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _24278)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _26982)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _43916)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _49486)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _51344)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _67354)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _49486)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _72924)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _88934)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _94504)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _96362)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _112372)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _94504)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _117942)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _133952)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _139522)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _141380)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _157390)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _139522)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _162960)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _178970)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _184540)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _186398)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _202408)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _220050)
   Call: (196) [system] peek_char((0x560c892e10d0), _220984)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _243348)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _245206)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _254800)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _257504)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _274438)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _280008)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _281866)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _297876)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _315518)
   Call: (197) [system] peek_char((0x560c892e10d0), _316452)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _329454)
   Call: (198) [system] peek_char((0x560c892e10d0), _330388)
   Exit: (198) [system] peek_char((0x560c892e10d0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x560c892e10d0), u)
   Exit: (198) [system] get_char((0x560c892e10d0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _343390)
   Call: (199) [system] peek_char((0x560c892e10d0), _344324)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _357326)
   Call: (200) [system] peek_char((0x560c892e10d0), _358260)
   Exit: (200) [system] peek_char((0x560c892e10d0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x560c892e10d0), t)
   Exit: (200) [system] get_char((0x560c892e10d0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _371262)
   Call: (201) [system] peek_char((0x560c892e10d0), _372196)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _385198)
   Call: (202) [system] peek_char((0x560c892e10d0), _386132)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _399134)
   Call: (203) [system] peek_char((0x560c892e10d0), _400068)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _436340)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _438198)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _447792)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _450496)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _467430)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _473000)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _474858)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _490868)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _473000)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _496438)
   Exit: (198) [system] peek_char((0x560c892e10d0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _512448)
   Exit: (197) [system] peek_char((0x560c892e10d0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _518018)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _519876)
   Exit: (199) [system] peek_char((0x560c892e10d0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _535886)
   Exit: (198) [system] get_char((0x560c892e10d0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _553528)
   Call: (200) [system] peek_char((0x560c892e10d0), _554462)
   Exit: (200) [system] peek_char((0x560c892e10d0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x560c892e10d0), >)
   Exit: (200) [system] get_char((0x560c892e10d0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _567464)
   Call: (201) [system] peek_char((0x560c892e10d0), _568398)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _593556)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _595414)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _605008)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607712)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _624646)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _630216)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _632074)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _648084)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _665726)
   Call: (201) [system] peek_char((0x560c892e10d0), _666660)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _679662)
   Call: (202) [system] peek_char((0x560c892e10d0), _680596)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _693598)
   Call: (203) [system] peek_char((0x560c892e10d0), _694532)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _707534)
   Call: (204) [system] peek_char((0x560c892e10d0), _708468)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _721470)
   Call: (205) [system] peek_char((0x560c892e10d0), _722404)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _735406)
   Call: (206) [system] peek_char((0x560c892e10d0), _736340)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _749342)
   Call: (207) [system] peek_char((0x560c892e10d0), _750276)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _763278)
   Call: (208) [system] peek_char((0x560c892e10d0), _764212)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _763278=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _749342=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _735406=[s, e]
   Exit: (206) [system] [s, e]=[s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e])
   Call: (205) [system] _721470=[i, s, e]
   Exit: (205) [system] [i, s, e]=[i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e])
   Call: (204) [system] _707534=[m, i, s, e]
   Exit: (204) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e])
   Call: (203) [system] _693598=[e, m, i, s, e]
   Exit: (203) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e])
   Call: (202) [system] _679662=[r, e, m, i, s, e]
   Exit: (202) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e]
   Exit: (201) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _793054)
   Call: (202) [system] atom_chars(_793986, ['_', p, r, e, m, i, s, e])
   Exit: (202) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (201) [system] integer(_premise)
   Fail: (201) [system] integer(_premise)
   Call: (201) [system] _630216=_premise
   Exit: (201) [system] _premise=_premise
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _803278)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _805136)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _814730)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _817434)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _834368)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _839938)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _841796)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _857806)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _839938)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _875448)
   Call: (202) [system] peek_char((0x560c892e10d0), _876382)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_881102, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_882034, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _889384)
   Call: (203) [system] peek_char((0x560c892e10d0), _890318)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_895038, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_895970, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _903320)
   Call: (204) [system] peek_char((0x560c892e10d0), _904254)
   Exit: (204) [system] peek_char((0x560c892e10d0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_908974, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_909906, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x560c892e10d0), n)
   Exit: (204) [system] get_char((0x560c892e10d0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _917256)
   Call: (205) [system] peek_char((0x560c892e10d0), _918190)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_922910, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_923842, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _931192)
   Call: (206) [system] peek_char((0x560c892e10d0), _932126)
   Exit: (206) [system] peek_char((0x560c892e10d0), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Fail: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_936846, v('(', ')', end_of_file), l)
   Fail: (207) [system] arg(_937778, v('(', ')', end_of_file), l)
^  Fail: (206) [user] is_delimiter(l)
   Call: (206) [system] ')'==l
   Fail: (206) [system] ')'==l
   Call: (206) [system] get_char((0x560c892e10d0), l)
   Exit: (206) [system] get_char((0x560c892e10d0), l)
   Call: (206) [system] l=(\)
   Fail: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _945128)
   Call: (207) [system] peek_char((0x560c892e10d0), _946062)
   Exit: (207) [system] peek_char((0x560c892e10d0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_950782, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_951714, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x560c892e10d0), u)
   Exit: (207) [system] get_char((0x560c892e10d0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _959064)
   Call: (208) [system] peek_char((0x560c892e10d0), _959998)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_964718, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_965650, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _973000)
   Call: (209) [system] peek_char((0x560c892e10d0), _973934)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_978654, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_979586, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _986936)
   Call: (210) [system] peek_char((0x560c892e10d0), _987870)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_992590, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_993522, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1000872)
   Call: (211) [system] peek_char((0x560c892e10d0), _1001806)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1006526, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1007458, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014808)
   Call: (212) [system] peek_char((0x560c892e10d0), _1015742)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1020462, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1014808=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1000872=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (210) [system] _986936=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (209) [system] _973000=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (208) [system] _959064=[s, i, o, n]
   Exit: (208) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (207) [system] _945128=[u, s, i, o, n]
   Exit: (207) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (206) [system] _931192=[l, u, s, i, o, n]
   Exit: (206) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (205) [system] _917256=[c, l, u, s, i, o, n]
   Exit: (205) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (204) [system] _903320=[n, c, l, u, s, i, o, n]
   Exit: (204) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (203) [system] _889384=[o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (202) [system] _875448=[c, o, n, c, l, u, s, i, o, n]
   Exit: (202) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _839938)
^  Call: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1054838)
   Call: (203) [system] atom_chars(_1055770, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (203) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (202) [system] integer(_conclusion)
   Fail: (202) [system] integer(_conclusion)
   Call: (202) [system] _839938=_conclusion
   Exit: (202) [system] _conclusion=_conclusion
^  Exit: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1065062)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1066920)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1082930)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _1086720)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _1065062=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _803278=[_conclusion]
   Exit: (199) [system] [_conclusion]=[_conclusion]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (198) [system] _593556=[_premise, _conclusion]
   Exit: (198) [system] [_premise, _conclusion]=[_premise, _conclusion]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise, _conclusion])
   Call: (197) [system] _473000=[->, _premise, _conclusion]
   Exit: (197) [system] [->, _premise, _conclusion]=[->, _premise, _conclusion]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [->, _premise, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [->, _premise, _conclusion])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1100602)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1102460)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1118470)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1122260)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1100602=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _436340=[[->, _premise, _conclusion]]
   Exit: (195) [system] [[->, _premise, _conclusion]]=[[->, _premise, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[->, _premise, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise, _conclusion]]=[_ructor, [->, _premise, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_ructor, [->, _premise, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise, _conclusion]]=[:, _ructor, [->, _premise, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, _ructor, [->, _premise, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, _ructor, [->, _premise, _conclusion]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1136142)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1138000)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1147594)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1150298)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1167232)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1172802)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1174660)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1190670)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1172802)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1196240)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1212250)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1217820)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1219678)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1235688)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1217820)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1253330)
   Call: (197) [system] peek_char((0x560c892e10d0), _1254264)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1258984, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1259916, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1267266)
   Call: (198) [system] peek_char((0x560c892e10d0), _1268200)
   Exit: (198) [system] peek_char((0x560c892e10d0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1272920, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1273852, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x560c892e10d0), b)
   Exit: (198) [system] get_char((0x560c892e10d0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1281202)
   Call: (199) [system] peek_char((0x560c892e10d0), _1282136)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1286856, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1281202=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1267266=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (197) [system] _1253330=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1217820)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1298880)
   Call: (198) [system] atom_chars(_1299812, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1217820=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1309104)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1310962)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1326972)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1330762)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1309104=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1172802=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [_rb])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1339056)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1340914)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1356924)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1360714)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1339056=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1136142=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1371802)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1373660)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _1385110)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1387814)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1397408)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1400112)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1409706)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1412410)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1422004)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1424708)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1434302)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1437006)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1446600)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1449304)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1458898)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1461602)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1471196)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1473900)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1483494)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1486198)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1495792)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1498496)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1508090)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1510794)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1536968)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1542538)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1544396)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1560406)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1542538)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1565976)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1581986)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1587556)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1589414)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1605424)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1587556)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1610994)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1627004)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1632574)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1634432)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1650442)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _1632574)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668084)
   Call: (197) [system] peek_char((0x560c892e10d0), _1669018)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1668084=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1632574)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1678302)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1679254, _1679256), once(user:catch(read_from_chars([:], _1678302), _1679236, fail)), '$restore_trace'(_1679254, _1679256))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1679254, _1679256))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1679236, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1632574=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1691382)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1693240)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1702834)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1705538)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1722472)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1728042)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1729900)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1745910)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1728042)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1751480)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1767490)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1773060)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1774918)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1790928)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1773060)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1808570)
   Call: (200) [system] peek_char((0x560c892e10d0), _1809504)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1814224, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1815156, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1822506)
   Call: (201) [system] peek_char((0x560c892e10d0), _1823440)
   Exit: (201) [system] peek_char((0x560c892e10d0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1828160, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1829092, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x560c892e10d0), u)
   Exit: (201) [system] get_char((0x560c892e10d0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1836442)
   Call: (202) [system] peek_char((0x560c892e10d0), _1837376)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1842096, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1843028, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1850378)
   Call: (203) [system] peek_char((0x560c892e10d0), _1851312)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1856032, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1856964, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1864314)
   Call: (204) [system] peek_char((0x560c892e10d0), _1865248)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1869968, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1870900, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1878250)
   Call: (205) [system] peek_char((0x560c892e10d0), _1879184)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1883904, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1884836, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1892186)
   Call: (206) [system] peek_char((0x560c892e10d0), _1893120)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1892186=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1878250=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (204) [system] _1864314=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (203) [system] _1850378=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (202) [system] _1836442=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (201) [system] _1822506=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (200) [system] _1808570=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _1773060)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _1919168)
   Call: (201) [system] atom_chars(_1920100, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _1773060=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1929392)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1931250)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1940844)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1943548)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1960482)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1966052)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1967910)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1983920)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1966052)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2001562)
   Call: (201) [system] peek_char((0x560c892e10d0), _2002496)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2007216, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2008148, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2015498)
   Call: (202) [system] peek_char((0x560c892e10d0), _2016432)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2021152, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2022084, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2029434)
   Call: (203) [system] peek_char((0x560c892e10d0), _2030368)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2035088, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_2036020, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2043370)
   Call: (204) [system] peek_char((0x560c892e10d0), _2044304)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2049024, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_2049956, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2057306)
   Call: (205) [system] peek_char((0x560c892e10d0), _2058240)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_2062960, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_2063892, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2071242)
   Call: (206) [system] peek_char((0x560c892e10d0), _2072176)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_2076896, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _2071242=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _2057306=[f]
   Exit: (205) [system] [f]=[f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f])
   Call: (204) [system] _2043370=[o, f]
   Exit: (204) [system] [o, f]=[o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f])
   Call: (203) [system] _2029434=[o, o, f]
   Exit: (203) [system] [o, o, f]=[o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f])
   Call: (202) [system] _2015498=[r, o, o, f]
   Exit: (202) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f])
   Call: (201) [system] _2001562=[p, r, o, o, f]
   Exit: (201) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _3552)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _4170)
   Call: (202) [system] atom_chars(_5102, ['_', p, r, o, o, f])
   Exit: (202) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (201) [system] integer(_proof)
   Fail: (201) [system] integer(_proof)
   Call: (201) [system] _3552=_proof
   Exit: (201) [system] _proof=_proof
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _14394)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _16252)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _32262)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _36052)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _14394=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _3548=[_proof]
   Exit: (198) [system] [_proof]=[_proof]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof])
   Call: (197) [system] _3536=[_ructor, _proof]
   Exit: (197) [system] [_ructor, _proof]=[_ructor, _proof]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_ructor, _proof])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [_ructor, _proof])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _47140)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _48998)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _58592)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _61296)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _78230)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _83800)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _85658)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _101668)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _83800)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _119310)
   Call: (199) [system] peek_char((0x560c892e10d0), _120244)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_124964, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_125896, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _133246)
   Call: (200) [system] peek_char((0x560c892e10d0), _134180)
   Exit: (200) [system] peek_char((0x560c892e10d0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_138900, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_139832, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x560c892e10d0), o)
   Exit: (200) [system] get_char((0x560c892e10d0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _147182)
   Call: (201) [system] peek_char((0x560c892e10d0), _148116)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_152836, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_153768, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _161118)
   Call: (202) [system] peek_char((0x560c892e10d0), _162052)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_166772, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_167704, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _175054)
   Call: (203) [system] peek_char((0x560c892e10d0), _175988)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_180708, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_181640, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _188990)
   Call: (204) [system] peek_char((0x560c892e10d0), _189924)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_194644, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_195576, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _202926)
   Call: (205) [system] peek_char((0x560c892e10d0), _203860)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_208580, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_209512, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _216862)
   Call: (206) [system] peek_char((0x560c892e10d0), _217796)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_222516, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_223448, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _230798)
   Call: (207) [system] peek_char((0x560c892e10d0), _231732)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_236452, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_237384, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _244734)
   Call: (208) [system] peek_char((0x560c892e10d0), _245668)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_250388, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_251320, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _258670)
   Call: (209) [system] peek_char((0x560c892e10d0), _259604)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_264324, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _258670=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _244734=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _230798=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _216862=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _202926=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (204) [system] _188990=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (203) [system] _175054=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (202) [system] _161118=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (201) [system] _147182=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _133246=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _119310=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _83800)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _298700)
   Call: (200) [system] atom_chars(_299632, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _83800=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _308924)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _310782)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _326792)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _330582)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _308924=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _47140=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (195) [system] _3532=[[_ructor, _proof], _conclusion]
   Exit: (195) [system] [[_ructor, _proof], _conclusion]=[[_ructor, _proof], _conclusion]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[_ructor, _proof], _conclusion])
   Call: (194) [system] _3524=[:, [_ructor, _proof], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof], _conclusion]=[:, [_ructor, _proof], _conclusion]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, [_ructor, _proof], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, [_ructor, _proof], _conclusion])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _344464)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _346322)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _355916)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _358620)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _375554)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _381124)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _382982)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _398992)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _381124)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _416634)
   Call: (196) [system] peek_char((0x560c892e10d0), _417568)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_422288, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_423220, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _430570)
   Call: (197) [system] peek_char((0x560c892e10d0), _431504)
   Exit: (197) [system] peek_char((0x560c892e10d0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_436224, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_437156, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x560c892e10d0), u)
   Exit: (197) [system] get_char((0x560c892e10d0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _444506)
   Call: (198) [system] peek_char((0x560c892e10d0), _445440)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_450160, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_451092, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _458442)
   Call: (199) [system] peek_char((0x560c892e10d0), _459376)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_464096, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_465028, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _472378)
   Call: (200) [system] peek_char((0x560c892e10d0), _473312)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_478032, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_478964, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _486314)
   Call: (201) [system] peek_char((0x560c892e10d0), _487248)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_491968, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _486314=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _472378=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (199) [system] _458442=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (198) [system] _444506=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (197) [system] _430570=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (196) [system] _416634=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _381124)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _512374)
   Call: (197) [system] atom_chars(_513306, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _381124=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _522598)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _524456)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _540466)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _544256)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _522598=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _344464=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (192) [system] _3518=[[:, [_ructor, _proof], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof], _conclusion], _query]=[[:, [_ructor, _proof], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, [_ructor, _proof], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [[:, [_ructor, _proof], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _555344)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _557202)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _568652)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _571356)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _580950)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _583654)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _593248)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _595952)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _605546)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _608250)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _617844)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _620548)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _630142)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _632846)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _642440)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _645144)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _654738)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _657442)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _667036)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _669740)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _679334)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _682038)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _691632)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _694336)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _720510)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _726080)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _727938)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _743948)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _726080)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _749518)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _765528)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _771098)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _772956)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _788966)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _771098)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _794536)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _810546)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _816116)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _817974)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _833984)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _816116)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _851626)
   Call: (198) [system] peek_char((0x560c892e10d0), _852560)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _851626=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _816116)
^  Call: (198) [user] classify_and_convert_charseq_([:], _861844)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_862796, _862798), once(user:catch(read_from_chars([:], _861844), _862778, fail)), '$restore_trace'(_862796, _862798))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_862796, _862798))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _862778, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _816116=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _874924)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _876782)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _886376)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _889080)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _906014)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _911584)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _913442)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _929452)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _911584)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _947094)
   Call: (199) [system] peek_char((0x560c892e10d0), _948028)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_952748, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_953680, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _961030)
   Call: (200) [system] peek_char((0x560c892e10d0), _961964)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_966684, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_967616, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _974966)
   Call: (201) [system] peek_char((0x560c892e10d0), _975900)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_980620, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_981552, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _988902)
   Call: (202) [system] peek_char((0x560c892e10d0), _989836)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_994556, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_995488, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1002838)
   Call: (203) [system] peek_char((0x560c892e10d0), _1003772)
   Exit: (203) [system] peek_char((0x560c892e10d0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1008492, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1009424, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x560c892e10d0), f)
   Exit: (203) [system] get_char((0x560c892e10d0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1016774)
   Call: (204) [system] peek_char((0x560c892e10d0), _1017708)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1016774=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1002838=[f]
   Exit: (203) [system] [f]=[f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [f])
   Call: (202) [system] _988902=[o, f]
   Exit: (202) [system] [o, f]=[o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f])
   Call: (201) [system] _974966=[o, o, f]
   Exit: (201) [system] [o, o, f]=[o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f])
   Call: (200) [system] _961030=[r, o, o, f]
   Exit: (200) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f])
   Call: (199) [system] _947094=[p, r, o, o, f]
   Exit: (199) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _911584)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1040962)
   Call: (200) [system] atom_chars(_1041894, ['_', p, r, o, o, f])
   Exit: (200) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (199) [system] integer(_proof)
   Fail: (199) [system] integer(_proof)
   Call: (199) [system] _911584=_proof
   Exit: (199) [system] _proof=_proof
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _proof)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _proof)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1051186)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1053044)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1062638)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1065342)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1082276)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1087846)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1089704)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1105714)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1087846)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1123356)
   Call: (200) [system] peek_char((0x560c892e10d0), _1124290)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1129010, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1129942, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1137292)
   Call: (201) [system] peek_char((0x560c892e10d0), _1138226)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1142946, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1143878, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1151228)
   Call: (202) [system] peek_char((0x560c892e10d0), _1152162)
   Exit: (202) [system] peek_char((0x560c892e10d0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1156882, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1157814, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x560c892e10d0), e)
   Exit: (202) [system] get_char((0x560c892e10d0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1165164)
   Call: (203) [system] peek_char((0x560c892e10d0), _1166098)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1170818, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1171750, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1179100)
   Call: (204) [system] peek_char((0x560c892e10d0), _1180034)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1184754, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1185686, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1193036)
   Call: (205) [system] peek_char((0x560c892e10d0), _1193970)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1198690, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1199622, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1206972)
   Call: (206) [system] peek_char((0x560c892e10d0), _1207906)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1212626, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1213558, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1220908)
   Call: (207) [system] peek_char((0x560c892e10d0), _1221842)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1226562, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1220908=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1206972=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (205) [system] _1193036=[s, e]
   Exit: (205) [system] [s, e]=[s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e])
   Call: (204) [system] _1179100=[i, s, e]
   Exit: (204) [system] [i, s, e]=[i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e])
   Call: (203) [system] _1165164=[m, i, s, e]
   Exit: (203) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e])
   Call: (202) [system] _1151228=[e, m, i, s, e]
   Exit: (202) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e])
   Call: (201) [system] _1137292=[r, e, m, i, s, e]
   Exit: (201) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e])
   Call: (200) [system] _1123356=[p, r, e, m, i, s, e]
   Exit: (200) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _1087846)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _1252556)
   Call: (201) [system] atom_chars(_1253488, ['_', p, r, e, m, i, s, e])
   Exit: (201) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (200) [system] integer(_premise)
   Fail: (200) [system] integer(_premise)
   Call: (200) [system] _1087846=_premise
   Exit: (200) [system] _premise=_premise
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _premise)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _premise)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1262780)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1264638)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1280648)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1284438)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1262780=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _1051186=[_premise]
   Exit: (197) [system] [_premise]=[_premise]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_premise])
   Call: (196) [system] _874924=[_proof, _premise]
   Exit: (196) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_proof, _premise])
   Call: (195) [system] _771098=[:, _proof, _premise]
   Exit: (195) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, _proof, _premise])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof, _premise])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1298320)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1300178)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1309772)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1312476)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1329410)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1334980)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1336838)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1352848)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1334980)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1358418)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1374428)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1379998)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1381856)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1397866)
   Exit: (197) [system] get_char((0x560c892e10d0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), s, _1379998)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1415508)
   Call: (199) [system] peek_char((0x560c892e10d0), _1416442)
   Exit: (199) [system] peek_char((0x560c892e10d0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1421162, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1422094, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x560c892e10d0), y)
   Exit: (199) [system] get_char((0x560c892e10d0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1429444)
   Call: (200) [system] peek_char((0x560c892e10d0), _1430378)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1435098, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1436030, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1443380)
   Call: (201) [system] peek_char((0x560c892e10d0), _1444314)
   Exit: (201) [system] peek_char((0x560c892e10d0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1449034, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1449966, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x560c892e10d0), t)
   Exit: (201) [system] get_char((0x560c892e10d0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1457316)
   Call: (202) [system] peek_char((0x560c892e10d0), _1458250)
   Exit: (202) [system] peek_char((0x560c892e10d0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1462970, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1463902, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x560c892e10d0), h)
   Exit: (202) [system] get_char((0x560c892e10d0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1471252)
   Call: (203) [system] peek_char((0x560c892e10d0), _1472186)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1476906, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1477838, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1485188)
   Call: (204) [system] peek_char((0x560c892e10d0), _1486122)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1490842, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1491774, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499124)
   Call: (205) [system] peek_char((0x560c892e10d0), _1500058)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1504778, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1505710, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1513060)
   Call: (206) [system] peek_char((0x560c892e10d0), _1513994)
   Exit: (206) [system] peek_char((0x560c892e10d0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1518714, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1519646, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x560c892e10d0), z)
   Exit: (206) [system] get_char((0x560c892e10d0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1526996)
   Call: (207) [system] peek_char((0x560c892e10d0), _1527930)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1532650, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1533582, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1540932)
   Call: (208) [system] peek_char((0x560c892e10d0), _1541866)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1540932=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1526996=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _1513060=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (205) [system] _1499124=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (204) [system] _1485188=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (203) [system] _1471252=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (202) [system] _1457316=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (201) [system] _1443380=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1429444=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1415508=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1379998)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1576296)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1577248, _1577250), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1576296), _1577230, fail)), '$restore_trace'(_1577248, _1577250))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1577248, _1577250))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1577230, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1379998=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1589376)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1591234)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1600828)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1603532)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1620466)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1626036)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1627894)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1643904)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1626036)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1649474)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1665484)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1671054)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1672912)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1688922)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _1671054)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1706564)
   Call: (202) [system] peek_char((0x560c892e10d0), _1707498)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1706564=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1671054)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1716782)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1717734, _1717736), once(user:catch(read_from_chars([:], _1716782), _1717716, fail)), '$restore_trace'(_1717734, _1717736))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1717734, _1717736))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1717716, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1671054=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1729862)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1731720)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1741314)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1744018)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1760952)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1766522)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1768380)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1784390)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1766522)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1802032)
   Call: (203) [system] peek_char((0x560c892e10d0), _1802966)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1807686, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1808618, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1815968)
   Call: (204) [system] peek_char((0x560c892e10d0), _1816902)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1821622, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1822554, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1829904)
   Call: (205) [system] peek_char((0x560c892e10d0), _1830838)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1835558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1836490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1843840)
   Call: (206) [system] peek_char((0x560c892e10d0), _1844774)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1849494, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1850426, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1857776)
   Call: (207) [system] peek_char((0x560c892e10d0), _1858710)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1863430, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1864362, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1871712)
   Call: (208) [system] peek_char((0x560c892e10d0), _1872646)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1871712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1857776=[f]
   Exit: (207) [system] [f]=[f]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f])
   Call: (206) [system] _1843840=[o, f]
   Exit: (206) [system] [o, f]=[o, f]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f])
   Call: (205) [system] _1829904=[o, o, f]
   Exit: (205) [system] [o, o, f]=[o, o, f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f])
   Call: (204) [system] _1815968=[r, o, o, f]
   Exit: (204) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f])
   Call: (203) [system] _1802032=[p, r, o, o, f]
   Exit: (203) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _1766522)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1895900)
   Call: (204) [system] atom_chars(_1896832, ['_', p, r, o, o, f])
   Exit: (204) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (203) [system] integer(_proof)
   Fail: (203) [system] integer(_proof)
   Call: (203) [system] _1766522=_proof
   Exit: (203) [system] _proof=_proof
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1906124)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1907982)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1917576)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1920280)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1937214)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1942784)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1944642)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1960652)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1942784)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1978294)
   Call: (204) [system] peek_char((0x560c892e10d0), _1979228)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1983948, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1984880, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1992230)
   Call: (205) [system] peek_char((0x560c892e10d0), _1993164)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1997884, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1998816, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2006166)
   Call: (206) [system] peek_char((0x560c892e10d0), _2007100)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_2011820, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_2012752, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2020102)
   Call: (207) [system] peek_char((0x560c892e10d0), _2021036)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_2025756, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_2026688, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _2034038)
   Call: (208) [system] peek_char((0x560c892e10d0), _2034972)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2039692, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2040624, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2047974)
   Call: (209) [system] peek_char((0x560c892e10d0), _2048908)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_2053628, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_2054560, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2061910)
   Call: (210) [system] peek_char((0x560c892e10d0), _2062844)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_2067564, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_2068496, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2075846)
   Call: (211) [system] peek_char((0x560c892e10d0), _2076780)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_2081500, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _2075846=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _2061910=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (209) [system] _2047974=[s, e]
   Exit: (209) [system] [s, e]=[s, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e])
   Call: (208) [system] _2034038=[i, s, e]
   Exit: (208) [system] [i, s, e]=[i, s, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e])
   Call: (207) [system] _2020102=[m, i, s, e]
   Exit: (207) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e])
   Call: (206) [system] _3666=[e, m, i, s, e]
   Exit: (206) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e])
   Call: (205) [system] _3662=[r, e, m, i, s, e]
   Exit: (205) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e])
   Call: (204) [system] _3658=[p, r, e, m, i, s, e]
   Exit: (204) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _3654)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _14378)
   Call: (205) [system] atom_chars(_15310, ['_', p, r, e, m, i, s, e])
   Exit: (205) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (204) [system] integer(_premise)
   Fail: (204) [system] integer(_premise)
   Call: (204) [system] _3654=_premise
   Exit: (204) [system] _premise=_premise
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _24602)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _26460)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _42470)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _46260)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _24602=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _3650=[_premise]
   Exit: (201) [system] [_premise]=[_premise]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise])
   Call: (200) [system] _3640=[_proof, _premise]
   Exit: (200) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof, _premise])
   Call: (199) [system] _3632=[:, _proof, _premise]
   Exit: (199) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof, _premise])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof, _premise])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _60142)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _62000)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _71594)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _74298)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _91232)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _96802)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _98660)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _114670)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _96802)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _132312)
   Call: (201) [system] peek_char((0x560c892e10d0), _133246)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_137966, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_138898, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _146248)
   Call: (202) [system] peek_char((0x560c892e10d0), _147182)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_151902, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_152834, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _160184)
   Call: (203) [system] peek_char((0x560c892e10d0), _161118)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _160184=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _146248=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (201) [system] _132312=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _96802)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _175990)
   Call: (202) [system] atom_chars(_176922, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _96802=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _186214)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _188072)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _197666)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _200370)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _217304)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _222874)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _224732)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _240742)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _222874)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _258384)
   Call: (202) [system] peek_char((0x560c892e10d0), _259318)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_264038, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_264970, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _272320)
   Call: (203) [system] peek_char((0x560c892e10d0), _273254)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_277974, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_278906, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _286256)
   Call: (204) [system] peek_char((0x560c892e10d0), _287190)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _286256=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _272320=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _258384=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _222874)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _302062)
   Call: (203) [system] atom_chars(_302994, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _222874=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _312286)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _314144)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _323738)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _326442)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _343376)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _348946)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _350804)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _366814)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _348946)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _384456)
   Call: (203) [system] peek_char((0x560c892e10d0), _385390)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_390110, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_391042, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _398392)
   Call: (204) [system] peek_char((0x560c892e10d0), _399326)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_404046, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _398392=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _384456=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _348946)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _413276)
   Call: (204) [system] atom_chars(_414208, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _348946=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _423500)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _425358)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _441368)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _445158)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _423500=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _312286=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (199) [system] _186214=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (198) [system] _60142=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (197) [system] _3628=[[:, _proof, _premise], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof, _premise], _kb, _rb, _k]=[[:, _proof, _premise], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof, _premise], _kb, _rb, _k])
   Call: (196) [system] _3620=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof, _premise], _kb, _rb, _k]=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _464628)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _466486)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _482496)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _486286)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _464628=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _3616=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (193) [system] _3582=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _497374)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _499232)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=(;)
   Fail: (193) [system] ')'=(;)
   Call: (193) [system] ')'=(/)
   Fail: (193) [system] ')'=(/)
^  Call: (193) [user] is_like_space(')')
   Call: (194) [system] char_type(')', 'white')
   Fail: (194) [system] char_type(')', 'white')
   Call: (194) [system] char_type(')', end_of_line)
   Fail: (194) [system] char_type(')', end_of_line)
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] char_type(')', cntrl)
   Fail: (194) [system] char_type(')', cntrl)
^  Fail: (193) [user] is_like_space(')')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _515242)
   Exit: (192) [system] peek_char((0x560c892e10d0), ')')
   Call: (192) [system] ')'=')'
   Exit: (192) [system] ')'=')'
   Call: (192) [system] get_char((0x560c892e10d0), _519032)
   Exit: (192) [system] get_char((0x560c892e10d0), ')')
   Call: (192) [system] _497374=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [])
   Call: (191) [system] _3578=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (190) [system] _3514=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _532914)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _534772)
   Exit: (189) [system] peek_char((0x560c892e10d0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x560c892e10d0), _546222)
   Exit: (189) [system] get_char((0x560c892e10d0), '\n')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _548926)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _558520)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _561224)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _570818)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _573522)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _583116)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _585820)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _595414)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _598118)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _607712)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _610416)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _631970)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _637540)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _639398)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _655408)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _637540)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _673050)
   Call: (191) [system] peek_char((0x560c892e10d0), _673984)
   Exit: (191) [system] peek_char((0x560c892e10d0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_678704, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_679636, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x560c892e10d0), q)
   Exit: (191) [system] get_char((0x560c892e10d0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _686986)
   Call: (192) [system] peek_char((0x560c892e10d0), _687920)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_692640, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_693572, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _700922)
   Call: (193) [system] peek_char((0x560c892e10d0), _701856)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_706576, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_707508, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _714858)
   Call: (194) [system] peek_char((0x560c892e10d0), _715792)
   Exit: (194) [system] peek_char((0x560c892e10d0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_720512, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_721444, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x560c892e10d0), r)
   Exit: (194) [system] get_char((0x560c892e10d0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _728794)
   Call: (195) [system] peek_char((0x560c892e10d0), _729728)
   Exit: (195) [system] peek_char((0x560c892e10d0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_734448, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_735380, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x560c892e10d0), y)
   Exit: (195) [system] get_char((0x560c892e10d0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _742730)
   Call: (196) [system] peek_char((0x560c892e10d0), _743664)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_748384, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _742730=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _728794=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (194) [system] _714858=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (193) [system] _700922=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (192) [system] _686986=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (191) [system] _673050=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _637540)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _768790)
   Call: (192) [system] atom_chars(_769722, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _637540=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _779014)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _780872)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _796882)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _800672)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _779014=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _532914=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _814554)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _816412)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _832422)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _836212)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _814554=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_854730, _854732, _854734, _854736, _854738))
^  Exit: (177) [user] retract(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==[_869708, _869714]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _874342, _874344)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], _878084)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], _878084, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", _879964)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==[_884606, _884612]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up a")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up a")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up a")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"=_879964
   Exit: (190) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
   Call: (189) [apply] apply:maplist_([39, 0], _879966, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(39, _898486)
   Call: (191) [system] var(39)
   Call: (191) [system] atom(39)
   Call: (191) [system] 39==true
   Call: (191) [system] 39==false
   Call: (191) [system] 39==[_903128, _903134]
   Call: (191) [system] is_list(39)
   Call: (191) [system] string(39)
   Call: (191) [system] compound(39)
^  Call: (191) [user] symbol(39)
   Call: (192) [system] atom(39)
   Fail: (192) [system] atom(39)
^  Fail: (191) [user] symbol(39)
   Call: (191) [system] 39=_898486
   Exit: (191) [system] 39=39
^  Exit: (190) [user] mfix_vars1(39, 39)
   Call: (190) [apply] apply:maplist_([0], _898488, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _914252)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_918894, _918900]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_914252
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _914254, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([39, 0], [39, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] compound_name_arguments(_863188, '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1729639320_140374, 52)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639321.7471404)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639321.7471404-1729639320.1364253
   Exit: (173) [system] 1.6107151508331299 is 1729639321.7471404-1729639320.1364253
   Call: (173) [system] 1.6107151508331299>4
   Fail: (173) [system] 1.6107151508331299>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 5)
   Call: (175) [system] atom(5+1)
   Call: (175) [system] set_flag(translated_forms, 6)
   Exit: (175) [system] set_flag(translated_forms, 6)
   Exit: (174) [$syspreds] update_flag(translated_forms, 5, 5+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 5, 5+1))
   Exit: (171) [$syspreds] flag(translated_forms, 5, 5+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1729639320_140374, 52)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1729639320_140374, 52)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 5, 5+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1729639320_140374, 52)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 58)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 58))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 58))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1034612)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1042034)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1050372)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1053158=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1055026, _1055028, _1055030, _1055032), read_sexpr((0x560c892e10d0), _1055044), assertz(metta_file_comment(_1055026, _1055028, _1055030, _1055044, _1055032))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1055026, _1055028, _1055030, _1055032)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1055032))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1055032))
   Exit: (181) [system] nonvar(position(_1055032))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1055026)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1065284)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1055026)
   Exit: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1055028)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1072718)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1055028)
   Exit: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1055030)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1080152)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1055030)
   Exit: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (179) [user] read_position((0x560c892e10d0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1055044)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1055044)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1090378)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _1095016, _1095018, _1095020, _1095022)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_1095022))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_1095022))
   Exit: (185) [system] nonvar(position(_1095022))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1095016)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1104310)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1095016)
   Exit: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1095018)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1111744)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1095018)
   Exit: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1095020)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1119178)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1095020)
   Exit: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (183) [user] read_position((0x560c892e10d0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1124772)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _1125702, _1125704)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Binary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1124772=";; Binary rule"
   Exit: (184) [system] ";; Binary rule"=";; Binary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Binary rule")
^  Call: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1135962)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1152896)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1055044)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1158466)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1174476)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1180046)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1181904)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1197914)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1180046)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1215556)
   Call: (185) [system] peek_char((0x560c892e10d0), _1216490)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1215556=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1180046)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1225774)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1226726, _1226728), once(user:catch(read_from_chars([=], _1225774), _1226708, fail)), '$restore_trace'(_1226726, _1226728))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1226726, _1226728))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1226708, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1180046=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1238854)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1240712)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1250306)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1253010)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1269944)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1275514)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1277372)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1293382)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1275514)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1298952)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1314962)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1320532)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1322390)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1338400)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _1320532)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1356042)
   Call: (188) [system] peek_char((0x560c892e10d0), _1356976)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1361696, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1362628, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1369978)
   Call: (189) [system] peek_char((0x560c892e10d0), _1370912)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1375632, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1376564, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1383914)
   Call: (190) [system] peek_char((0x560c892e10d0), _1384848)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1389568, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1390500, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1397850)
   Call: (191) [system] peek_char((0x560c892e10d0), _1398784)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1403504, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1404436, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1411786)
   Call: (192) [system] peek_char((0x560c892e10d0), _1412720)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1417440, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1418372, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1425722)
   Call: (193) [system] peek_char((0x560c892e10d0), _1426656)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1431376, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1432308, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1439658)
   Call: (194) [system] peek_char((0x560c892e10d0), _1440592)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1445312, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1446244, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1453594)
   Call: (195) [system] peek_char((0x560c892e10d0), _1454528)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1459248, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1460180, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1467530)
   Call: (196) [system] peek_char((0x560c892e10d0), _1468464)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1473184, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1474116, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1481466)
   Call: (197) [system] peek_char((0x560c892e10d0), _1482400)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1481466=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1467530=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _1453594=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _1439658=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _1425722=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _1411786=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _1397850=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _1383914=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1369978=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1356042=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1320532)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1516830)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1517782, _1517784), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1516830), _1517764, fail)), '$restore_trace'(_1517782, _1517784))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1517782, _1517784))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1517764, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1320532=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1529910)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1531768)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1541362)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1544066)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1561000)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1566570)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1568428)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1584438)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _1566570)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1602080)
   Call: (189) [system] peek_char((0x560c892e10d0), _1603014)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1607734, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1608666, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1616016)
   Call: (190) [system] peek_char((0x560c892e10d0), _1616950)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1621670, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1622602, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1629952)
   Call: (191) [system] peek_char((0x560c892e10d0), _1630886)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1635606, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1636538, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1643888)
   Call: (192) [system] peek_char((0x560c892e10d0), _1644822)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1649542, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1650474, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1657824)
   Call: (193) [system] peek_char((0x560c892e10d0), _1658758)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1663478, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1664410, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1671760)
   Call: (194) [system] peek_char((0x560c892e10d0), _1672694)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1671760=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1657824=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _1643888=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _1629952=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _1616016=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _1602080=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1566570)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1695948)
   Call: (190) [system] atom_chars(_1696880, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _1566570=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1706172)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1708030)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1717624)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1720328)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1737262)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1742832)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1744690)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1760700)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _1742832)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778342)
   Call: (190) [system] peek_char((0x560c892e10d0), _1779276)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1783996, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1784928, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792278)
   Call: (191) [system] peek_char((0x560c892e10d0), _1793212)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1797932, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1798864, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1806214)
   Call: (192) [system] peek_char((0x560c892e10d0), _1807148)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1806214=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1792278=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _1778342=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1742832)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1822020)
   Call: (191) [system] atom_chars(_1822952, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1742832=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1832244)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1834102)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1843696)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1846400)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1863334)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1868904)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1870762)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1886772)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _1868904)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904414)
   Call: (191) [system] peek_char((0x560c892e10d0), _1905348)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1910068, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1911000, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1918350)
   Call: (192) [system] peek_char((0x560c892e10d0), _1919284)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1924004, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1924936, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1932286)
   Call: (193) [system] peek_char((0x560c892e10d0), _1933220)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1932286=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _1918350=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _1904414=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1868904)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1948092)
   Call: (192) [system] atom_chars(_1949024, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1868904=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1958316)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1960174)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1969768)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1972472)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1989406)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1994976)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1996834)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _2012844)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1994976)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2018414)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2034424)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _2039994)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2041852)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2057862)
   Exit: (192) [system] get_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', _2039994)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _2075504)
   Call: (194) [system] peek_char((0x560c892e10d0), _2076438)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2075504=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _2039994)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _2085722)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_2086674, _2086676), once(user:catch(read_from_chars(['S'], _2085722), _2086656, fail)), '$restore_trace'(_2086674, _2086676))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_2086674, _2086676))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _2085722), _2086656, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_2085722)
   Fail: (195) [system] atomic(_2085722)
   Call: (195) [system] atom_chars(_2085722, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _2039994='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _7110)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _8968)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _18562)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _21266)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _38200)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _43770)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _45628)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _61638)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _43770)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _79280)
   Call: (195) [system] peek_char((0x560c892e10d0), _80214)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_84934, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_85866, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _93216)
   Call: (196) [system] peek_char((0x560c892e10d0), _94150)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_98870, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _93216=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _79280=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _43770)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _108100)
   Call: (196) [system] atom_chars(_109032, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _43770=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _118324)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _120182)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _136192)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _139982)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _118324=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _7110=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _151070)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _152928)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _168938)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _172728)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _151070=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _192198)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _194056)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _205506)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _208210)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _217804)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _220508)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _230102)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _232806)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _242400)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _245104)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _264810)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _270380)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _272238)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _288248)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _270380)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _293818)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _309828)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _315398)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _317256)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _333266)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _315398)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _350908)
   Call: (189) [system] peek_char((0x560c892e10d0), _351842)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_356562, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_357494, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _364844)
   Call: (190) [system] peek_char((0x560c892e10d0), _365778)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_370498, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_371430, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _378780)
   Call: (191) [system] peek_char((0x560c892e10d0), _379714)
   Exit: (191) [system] peek_char((0x560c892e10d0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_384434, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_385366, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x560c892e10d0), *)
   Exit: (191) [system] get_char((0x560c892e10d0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _392716)
   Call: (192) [system] peek_char((0x560c892e10d0), _393650)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _392716=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _378780=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [*])
   Call: (190) [system] _364844=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, *])
   Call: (189) [system] _350908=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _315398)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _411316)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_412268, _412270), once(user:catch(read_from_chars([l, e, t, *], _411316), _412250, fail)), '$restore_trace'(_412268, _412270))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_412268, _412270))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), 'let*')
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _12826)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _14684)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _24278)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _26982)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _43916)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _49486)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _51344)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _67354)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _49486)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _72924)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _88934)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _94504)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _96362)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _112372)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _94504)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _117942)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _133952)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _139522)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _141380)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _157390)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _139522)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _162960)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _178970)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _184540)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _186398)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _202408)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _220050)
   Call: (196) [system] peek_char((0x560c892e10d0), _220984)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _243348)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _245206)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _254800)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _257504)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _274438)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _280008)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _281866)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _297876)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _315518)
   Call: (197) [system] peek_char((0x560c892e10d0), _316452)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _329454)
   Call: (198) [system] peek_char((0x560c892e10d0), _330388)
   Exit: (198) [system] peek_char((0x560c892e10d0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x560c892e10d0), u)
   Exit: (198) [system] get_char((0x560c892e10d0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _343390)
   Call: (199) [system] peek_char((0x560c892e10d0), _344324)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _357326)
   Call: (200) [system] peek_char((0x560c892e10d0), _358260)
   Exit: (200) [system] peek_char((0x560c892e10d0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x560c892e10d0), t)
   Exit: (200) [system] get_char((0x560c892e10d0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _371262)
   Call: (201) [system] peek_char((0x560c892e10d0), _372196)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _385198)
   Call: (202) [system] peek_char((0x560c892e10d0), _386132)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _399134)
   Call: (203) [system] peek_char((0x560c892e10d0), _400068)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _436340)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _438198)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _447792)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _450496)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _467430)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _473000)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _474858)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _490868)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _473000)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _496438)
   Exit: (198) [system] peek_char((0x560c892e10d0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _512448)
   Exit: (197) [system] peek_char((0x560c892e10d0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _518018)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _519876)
   Exit: (199) [system] peek_char((0x560c892e10d0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _535886)
   Exit: (198) [system] get_char((0x560c892e10d0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _553528)
   Call: (200) [system] peek_char((0x560c892e10d0), _554462)
   Exit: (200) [system] peek_char((0x560c892e10d0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x560c892e10d0), >)
   Exit: (200) [system] get_char((0x560c892e10d0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _567464)
   Call: (201) [system] peek_char((0x560c892e10d0), _568398)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _593556)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _595414)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _605008)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607712)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _624646)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _630216)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _632074)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _648084)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _665726)
   Call: (201) [system] peek_char((0x560c892e10d0), _666660)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _679662)
   Call: (202) [system] peek_char((0x560c892e10d0), _680596)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _693598)
   Call: (203) [system] peek_char((0x560c892e10d0), _694532)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _707534)
   Call: (204) [system] peek_char((0x560c892e10d0), _708468)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _721470)
   Call: (205) [system] peek_char((0x560c892e10d0), _722404)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _735406)
   Call: (206) [system] peek_char((0x560c892e10d0), _736340)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _749342)
   Call: (207) [system] peek_char((0x560c892e10d0), _750276)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _763278)
   Call: (208) [system] peek_char((0x560c892e10d0), _764212)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _777214)
   Call: (209) [system] peek_char((0x560c892e10d0), _778148)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _820008)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _821866)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _831460)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _834164)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _851098)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _856668)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _858526)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _874536)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _892178)
   Call: (202) [system] peek_char((0x560c892e10d0), _893112)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _906114)
   Call: (203) [system] peek_char((0x560c892e10d0), _907048)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _920050)
   Call: (204) [system] peek_char((0x560c892e10d0), _920984)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _933986)
   Call: (205) [system] peek_char((0x560c892e10d0), _934920)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _947922)
   Call: (206) [system] peek_char((0x560c892e10d0), _948856)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _961858)
   Call: (207) [system] peek_char((0x560c892e10d0), _962792)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _975794)
   Call: (208) [system] peek_char((0x560c892e10d0), _976728)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _989730)
   Call: (209) [system] peek_char((0x560c892e10d0), _990664)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003666)
   Call: (210) [system] peek_char((0x560c892e10d0), _1004600)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1046460)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1048318)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1057912)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1060616)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1077550)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1083120)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1084978)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1100988)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118630)
   Call: (203) [system] peek_char((0x560c892e10d0), _1119564)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x560c892e10d0), c)
   Exit: (203) [system] get_char((0x560c892e10d0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132566)
   Call: (204) [system] peek_char((0x560c892e10d0), _1133500)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146502)
   Call: (205) [system] peek_char((0x560c892e10d0), _1147436)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160438)
   Call: (206) [system] peek_char((0x560c892e10d0), _1161372)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174374)
   Call: (207) [system] peek_char((0x560c892e10d0), _1175308)
   Exit: (207) [system] peek_char((0x560c892e10d0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x560c892e10d0), l)
   Exit: (207) [system] get_char((0x560c892e10d0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188310)
   Call: (208) [system] peek_char((0x560c892e10d0), _1189244)
   Exit: (208) [system] peek_char((0x560c892e10d0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x560c892e10d0), u)
   Exit: (208) [system] get_char((0x560c892e10d0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202246)
   Call: (209) [system] peek_char((0x560c892e10d0), _1203180)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216182)
   Call: (210) [system] peek_char((0x560c892e10d0), _1217116)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230118)
   Call: (211) [system] peek_char((0x560c892e10d0), _1231052)
   Exit: (211) [system] peek_char((0x560c892e10d0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1235772, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1236704, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x560c892e10d0), o)
   Exit: (211) [system] get_char((0x560c892e10d0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1244054)
   Call: (212) [system] peek_char((0x560c892e10d0), _1244988)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1249708, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1250640, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257990)
   Call: (213) [system] peek_char((0x560c892e10d0), _1258924)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1263644, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1257990=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1244054=[n]
   Exit: (212) [system] [n]=[n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (211) [system] _1230118=[o, n]
   Exit: (211) [system] [o, n]=[o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (210) [system] _1216182=[i, o, n]
   Exit: (210) [system] [i, o, n]=[i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (209) [system] _1202246=[s, i, o, n]
   Exit: (209) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (208) [system] _1188310=[u, s, i, o, n]
   Exit: (208) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (207) [system] _1174374=[l, u, s, i, o, n]
   Exit: (207) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (206) [system] _1160438=[c, l, u, s, i, o, n]
   Exit: (206) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (205) [system] _1146502=[n, c, l, u, s, i, o, n]
   Exit: (205) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (204) [system] _1132566=[o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (203) [system] _1118630=[c, o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1298020)
   Call: (204) [system] atom_chars(_1298952, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (204) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (203) [system] integer(_conclusion)
   Fail: (203) [system] integer(_conclusion)
   Call: (203) [system] _1083120=_conclusion
   Exit: (203) [system] _conclusion=_conclusion
^  Exit: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1308244)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1310102)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1326112)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1329902)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1308244=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _1046460=[_conclusion]
   Exit: (200) [system] [_conclusion]=[_conclusion]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (199) [system] _820008=[_premise2, _conclusion]
   Exit: (199) [system] [_premise2, _conclusion]=[_premise2, _conclusion]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise2, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _conclusion]=[_premise1, _premise2, _conclusion]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise1, _premise2, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _conclusion]=[->, _premise1, _premise2, _conclusion]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [->, _premise1, _premise2, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [->, _premise1, _premise2, _conclusion])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1346578)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1348436)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1364446)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1368236)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1346578=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _conclusion]]=[[->, _premise1, _premise2, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[->, _premise1, _premise2, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _conclusion]]=[_ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1382118)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1383976)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1393570)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1396274)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1413208)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1418778)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1420636)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1436646)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1418778)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1442216)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1458226)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1463796)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1465654)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1481664)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1463796)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499306)
   Call: (197) [system] peek_char((0x560c892e10d0), _1500240)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1504960, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1505892, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1513242)
   Call: (198) [system] peek_char((0x560c892e10d0), _1514176)
   Exit: (198) [system] peek_char((0x560c892e10d0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1518896, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1519828, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x560c892e10d0), b)
   Exit: (198) [system] get_char((0x560c892e10d0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1527178)
   Call: (199) [system] peek_char((0x560c892e10d0), _1528112)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1532832, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1527178=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1513242=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (197) [system] _1499306=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1463796)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1544856)
   Call: (198) [system] atom_chars(_1545788, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1463796=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1555080)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1556938)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1572948)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1576738)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1555080=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1418778=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [_rb])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1585032)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1586890)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1602900)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1606690)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1585032=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1382118=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1617778)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1619636)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _1631086)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1633790)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1643384)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1646088)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1655682)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1658386)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1667980)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1670684)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1680278)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1682982)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1692576)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1695280)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1704874)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1707578)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1717172)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1719876)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1729470)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1732174)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1741768)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1744472)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1754066)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1756770)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1782944)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1788514)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1790372)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1806382)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1788514)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1811952)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1827962)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1833532)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1835390)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1851400)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1833532)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1856970)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1872980)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1878550)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1880408)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1896418)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _1878550)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1914060)
   Call: (197) [system] peek_char((0x560c892e10d0), _1914994)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1914060=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1878550)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1924278)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1925230, _1925232), once(user:catch(read_from_chars([:], _1924278), _1925212, fail)), '$restore_trace'(_1925230, _1925232))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1925230, _1925232))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1925212, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1878550=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1937358)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1939216)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1948810)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1951514)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1968448)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1974018)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1975876)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1991886)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1974018)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1997456)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2013466)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _2019036)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2020894)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _2036904)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _2019036)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _2054546)
   Call: (200) [system] peek_char((0x560c892e10d0), _2055480)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_2060200, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_2061132, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2068482)
   Call: (201) [system] peek_char((0x560c892e10d0), _2069416)
   Exit: (201) [system] peek_char((0x560c892e10d0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_2074136, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_2075068, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x560c892e10d0), u)
   Exit: (201) [system] get_char((0x560c892e10d0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2082418)
   Call: (202) [system] peek_char((0x560c892e10d0), _2083352)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2088072, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2089004, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _3570)
   Call: (203) [system] peek_char((0x560c892e10d0), _4100)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_8820, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_9752, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _17102)
   Call: (204) [system] peek_char((0x560c892e10d0), _18036)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_22756, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_23688, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _31038)
   Call: (205) [system] peek_char((0x560c892e10d0), _31972)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_36692, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_37624, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _44974)
   Call: (206) [system] peek_char((0x560c892e10d0), _45908)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _44974=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _31038=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (204) [system] _17102=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (203) [system] _3570=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (202) [system] _3564=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (201) [system] _3560=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (200) [system] _3556=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _3552)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _71956)
   Call: (201) [system] atom_chars(_72888, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _3552=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _82180)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _84038)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _93632)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _96336)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _113270)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _118840)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _120698)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _136708)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _118840)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _154350)
   Call: (201) [system] peek_char((0x560c892e10d0), _155284)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_160004, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_160936, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _168286)
   Call: (202) [system] peek_char((0x560c892e10d0), _169220)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_173940, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_174872, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _182222)
   Call: (203) [system] peek_char((0x560c892e10d0), _183156)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_187876, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_188808, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _196158)
   Call: (204) [system] peek_char((0x560c892e10d0), _197092)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_201812, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_202744, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _210094)
   Call: (205) [system] peek_char((0x560c892e10d0), _211028)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_215748, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_216680, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _224030)
   Call: (206) [system] peek_char((0x560c892e10d0), _224964)
   Exit: (206) [system] peek_char((0x560c892e10d0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_229684, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_230616, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x560c892e10d0), '1')
   Exit: (206) [system] get_char((0x560c892e10d0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _237966)
   Call: (207) [system] peek_char((0x560c892e10d0), _238900)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _237966=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _224030=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (205) [system] _210094=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (204) [system] _196158=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (203) [system] _182222=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (202) [system] _168286=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (201) [system] _154350=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _118840)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _264948)
   Call: (202) [system] atom_chars(_265880, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _118840=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _275172)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _277030)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _286624)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _289328)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _306262)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _311832)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _313690)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _329700)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _311832)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _347342)
   Call: (202) [system] peek_char((0x560c892e10d0), _348276)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_352996, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_353928, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _361278)
   Call: (203) [system] peek_char((0x560c892e10d0), _362212)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_366932, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_367864, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _375214)
   Call: (204) [system] peek_char((0x560c892e10d0), _376148)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_380868, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_381800, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _389150)
   Call: (205) [system] peek_char((0x560c892e10d0), _390084)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_394804, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_395736, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _403086)
   Call: (206) [system] peek_char((0x560c892e10d0), _404020)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_408740, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_409672, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _417022)
   Call: (207) [system] peek_char((0x560c892e10d0), _417956)
   Exit: (207) [system] peek_char((0x560c892e10d0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_422676, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_423608, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x560c892e10d0), '2')
   Exit: (207) [system] get_char((0x560c892e10d0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _430958)
   Call: (208) [system] peek_char((0x560c892e10d0), _431892)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_436612, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _430958=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _417022=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (206) [system] _403086=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (205) [system] _389150=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (204) [system] _375214=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (203) [system] _361278=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (202) [system] _347342=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _311832)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _459812)
   Call: (203) [system] atom_chars(_460744, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _311832=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _470036)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _471894)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _487904)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _491694)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _470036=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _275172=[_proof2]
   Exit: (199) [system] [_proof2]=[_proof2]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof2])
   Call: (198) [system] _82180=[_proof1, _proof2]
   Exit: (198) [system] [_proof1, _proof2]=[_proof1, _proof2]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof1, _proof2])
   Call: (197) [system] _3546=[_ructor, _proof1, _proof2]
   Exit: (197) [system] [_ructor, _proof1, _proof2]=[_ructor, _proof1, _proof2]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_ructor, _proof1, _proof2])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [_ructor, _proof1, _proof2])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _505576)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _507434)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _517028)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _519732)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _536666)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _542236)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _544094)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _560104)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _542236)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _577746)
   Call: (199) [system] peek_char((0x560c892e10d0), _578680)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_583400, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_584332, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _591682)
   Call: (200) [system] peek_char((0x560c892e10d0), _592616)
   Exit: (200) [system] peek_char((0x560c892e10d0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_597336, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_598268, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x560c892e10d0), o)
   Exit: (200) [system] get_char((0x560c892e10d0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _605618)
   Call: (201) [system] peek_char((0x560c892e10d0), _606552)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_611272, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_612204, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _619554)
   Call: (202) [system] peek_char((0x560c892e10d0), _620488)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_625208, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_626140, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _633490)
   Call: (203) [system] peek_char((0x560c892e10d0), _634424)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_639144, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_640076, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _647426)
   Call: (204) [system] peek_char((0x560c892e10d0), _648360)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_653080, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_654012, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _661362)
   Call: (205) [system] peek_char((0x560c892e10d0), _662296)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_667016, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_667948, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _675298)
   Call: (206) [system] peek_char((0x560c892e10d0), _676232)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_680952, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_681884, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _689234)
   Call: (207) [system] peek_char((0x560c892e10d0), _690168)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_694888, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_695820, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _703170)
   Call: (208) [system] peek_char((0x560c892e10d0), _704104)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_708824, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_709756, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _717106)
   Call: (209) [system] peek_char((0x560c892e10d0), _718040)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_722760, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _717106=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _703170=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _689234=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _675298=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _661362=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (204) [system] _647426=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (203) [system] _633490=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (202) [system] _619554=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (201) [system] _605618=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _591682=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _577746=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _542236)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _757136)
   Call: (200) [system] atom_chars(_758068, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _542236=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _767360)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _769218)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _785228)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _789018)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _767360=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _505576=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (195) [system] _3542=[[_ructor, _proof1, _proof2], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2], _conclusion]=[[_ructor, _proof1, _proof2], _conclusion]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[_ructor, _proof1, _proof2], _conclusion])
   Call: (194) [system] _3534=[:, [_ructor, _proof1, _proof2], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=[:, [_ructor, _proof1, _proof2], _conclusion]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _802900)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _804758)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _814352)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _817056)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _833990)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _839560)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _841418)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _857428)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _839560)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _875070)
   Call: (196) [system] peek_char((0x560c892e10d0), _876004)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_880724, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_881656, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _889006)
   Call: (197) [system] peek_char((0x560c892e10d0), _889940)
   Exit: (197) [system] peek_char((0x560c892e10d0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_894660, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_895592, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x560c892e10d0), u)
   Exit: (197) [system] get_char((0x560c892e10d0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _902942)
   Call: (198) [system] peek_char((0x560c892e10d0), _903876)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_908596, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_909528, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _916878)
   Call: (199) [system] peek_char((0x560c892e10d0), _917812)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_922532, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_923464, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _930814)
   Call: (200) [system] peek_char((0x560c892e10d0), _931748)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_936468, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_937400, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _944750)
   Call: (201) [system] peek_char((0x560c892e10d0), _945684)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_950404, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _944750=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _930814=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (199) [system] _916878=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (198) [system] _902942=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (197) [system] _889006=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (196) [system] _875070=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _839560)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _970810)
   Call: (197) [system] atom_chars(_971742, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _839560=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _981034)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _982892)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _998902)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1002692)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _981034=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _802900=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (192) [system] _3528=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1013780)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1015638)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _1027088)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1029792)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1039386)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1042090)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1051684)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1054388)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1063982)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1066686)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1076280)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1078984)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1088578)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1091282)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1100876)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1103580)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1113174)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1115878)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1125472)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1128176)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1137770)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1140474)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1150068)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1152772)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1178946)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1184516)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1186374)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1202384)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1184516)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1207954)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1223964)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1229534)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1231392)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1247402)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1229534)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1252972)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1268982)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1274552)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1276410)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1292420)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _1274552)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1310062)
   Call: (198) [system] peek_char((0x560c892e10d0), _1310996)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1310062=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1274552)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1320280)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1321232, _1321234), once(user:catch(read_from_chars([:], _1320280), _1321214, fail)), '$restore_trace'(_1321232, _1321234))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1321232, _1321234))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1321214, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1274552=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1333360)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1335218)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1344812)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1347516)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1364450)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1370020)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1371878)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1387888)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1370020)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1405530)
   Call: (199) [system] peek_char((0x560c892e10d0), _1406464)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1411184, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1412116, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1419466)
   Call: (200) [system] peek_char((0x560c892e10d0), _1420400)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1425120, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1426052, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1433402)
   Call: (201) [system] peek_char((0x560c892e10d0), _1434336)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1439056, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1439988, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1447338)
   Call: (202) [system] peek_char((0x560c892e10d0), _1448272)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1452992, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1453924, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1461274)
   Call: (203) [system] peek_char((0x560c892e10d0), _1462208)
   Exit: (203) [system] peek_char((0x560c892e10d0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1466928, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1467860, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x560c892e10d0), f)
   Exit: (203) [system] get_char((0x560c892e10d0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1475210)
   Call: (204) [system] peek_char((0x560c892e10d0), _1476144)
   Exit: (204) [system] peek_char((0x560c892e10d0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1480864, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1481796, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x560c892e10d0), '1')
   Exit: (204) [system] get_char((0x560c892e10d0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1489146)
   Call: (205) [system] peek_char((0x560c892e10d0), _1490080)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1489146=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1475210=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (203) [system] _1461274=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (202) [system] _1447338=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (201) [system] _1433402=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (200) [system] _1419466=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (199) [system] _1405530=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1370020)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1516128)
   Call: (200) [system] atom_chars(_1517060, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1370020=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1526352)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1528210)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1537804)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1540508)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1557442)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1563012)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1564870)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1580880)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1563012)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1598522)
   Call: (200) [system] peek_char((0x560c892e10d0), _1599456)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1604176, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1605108, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1612458)
   Call: (201) [system] peek_char((0x560c892e10d0), _1613392)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1618112, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1619044, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1626394)
   Call: (202) [system] peek_char((0x560c892e10d0), _1627328)
   Exit: (202) [system] peek_char((0x560c892e10d0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1632048, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1632980, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x560c892e10d0), e)
   Exit: (202) [system] get_char((0x560c892e10d0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1640330)
   Call: (203) [system] peek_char((0x560c892e10d0), _1641264)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1645984, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1646916, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1654266)
   Call: (204) [system] peek_char((0x560c892e10d0), _1655200)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1659920, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1660852, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668202)
   Call: (205) [system] peek_char((0x560c892e10d0), _1669136)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1673856, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1674788, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682138)
   Call: (206) [system] peek_char((0x560c892e10d0), _1683072)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1687792, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1688724, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696074)
   Call: (207) [system] peek_char((0x560c892e10d0), _1697008)
   Exit: (207) [system] peek_char((0x560c892e10d0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1701728, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_1702660, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x560c892e10d0), '1')
   Exit: (207) [system] get_char((0x560c892e10d0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710010)
   Call: (208) [system] peek_char((0x560c892e10d0), _1710944)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1715664, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1710010=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1696074=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (206) [system] _1682138=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (205) [system] _1668202=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (204) [system] _1654266=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (203) [system] _1640330=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (202) [system] _1626394=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (201) [system] _1612458=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1598522=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1563012)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1744452)
   Call: (201) [system] atom_chars(_1745384, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _1563012=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1754676)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1756534)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1772544)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1776334)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1754676=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _1526352=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (196) [system] _1333360=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (195) [system] _1229534=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1790216)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1792074)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1801668)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1804372)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1821306)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1826876)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1828734)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1844744)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1826876)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1850314)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1866324)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1871894)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1873752)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1889762)
   Exit: (197) [system] get_char((0x560c892e10d0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), s, _1871894)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1907404)
   Call: (199) [system] peek_char((0x560c892e10d0), _1908338)
   Exit: (199) [system] peek_char((0x560c892e10d0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1913058, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1913990, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x560c892e10d0), y)
   Exit: (199) [system] get_char((0x560c892e10d0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1921340)
   Call: (200) [system] peek_char((0x560c892e10d0), _1922274)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1926994, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1927926, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1935276)
   Call: (201) [system] peek_char((0x560c892e10d0), _1936210)
   Exit: (201) [system] peek_char((0x560c892e10d0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1940930, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1941862, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x560c892e10d0), t)
   Exit: (201) [system] get_char((0x560c892e10d0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1949212)
   Call: (202) [system] peek_char((0x560c892e10d0), _1950146)
   Exit: (202) [system] peek_char((0x560c892e10d0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1954866, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1955798, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x560c892e10d0), h)
   Exit: (202) [system] get_char((0x560c892e10d0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1963148)
   Call: (203) [system] peek_char((0x560c892e10d0), _1964082)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1968802, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1969734, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1977084)
   Call: (204) [system] peek_char((0x560c892e10d0), _1978018)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1982738, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1983670, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1991020)
   Call: (205) [system] peek_char((0x560c892e10d0), _1991954)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1996674, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1997606, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2004956)
   Call: (206) [system] peek_char((0x560c892e10d0), _2005890)
   Exit: (206) [system] peek_char((0x560c892e10d0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_2010610, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_2011542, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x560c892e10d0), z)
   Exit: (206) [system] get_char((0x560c892e10d0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2018892)
   Call: (207) [system] peek_char((0x560c892e10d0), _2019826)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_2024546, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_2025478, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _2032828)
   Call: (208) [system] peek_char((0x560c892e10d0), _2033762)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _2032828=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _2018892=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _2004956=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (205) [system] _1991020=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (204) [system] _1977084=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (203) [system] _1963148=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (202) [system] _1949212=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (201) [system] _1935276=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1921340=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1907404=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1871894)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2068192)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2069144, _2069146), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2068192), _2069126, fail)), '$restore_trace'(_2069144, _2069146))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2069144, _2069146))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2069126, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1871894=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _2081272)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _2083130)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _2092724)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2095428)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _19258)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _24828)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _26686)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _42696)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _24828)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _48266)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _64276)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _69846)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _71704)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _87714)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _69846)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _105356)
   Call: (202) [system] peek_char((0x560c892e10d0), _106290)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _105356=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _69846)
^  Call: (202) [user] classify_and_convert_charseq_([:], _115574)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_116526, _116528), once(user:catch(read_from_chars([:], _115574), _116508, fail)), '$restore_trace'(_116526, _116528))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_116526, _116528))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _116508, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _69846=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _128654)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _130512)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _140106)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _142810)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _159744)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _165314)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _167172)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _183182)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _165314)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _200824)
   Call: (203) [system] peek_char((0x560c892e10d0), _201758)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_206478, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_207410, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _214760)
   Call: (204) [system] peek_char((0x560c892e10d0), _215694)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_220414, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_221346, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _228696)
   Call: (205) [system] peek_char((0x560c892e10d0), _229630)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_234350, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_235282, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _242632)
   Call: (206) [system] peek_char((0x560c892e10d0), _243566)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_248286, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_249218, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _256568)
   Call: (207) [system] peek_char((0x560c892e10d0), _257502)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_262222, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_263154, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _270504)
   Call: (208) [system] peek_char((0x560c892e10d0), _271438)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_276158, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_277090, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _284440)
   Call: (209) [system] peek_char((0x560c892e10d0), _285374)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _284440=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _270504=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _256568=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (206) [system] _242632=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (205) [system] _228696=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (204) [system] _214760=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (203) [system] _200824=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _165314)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _311422)
   Call: (204) [system] atom_chars(_312354, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _165314=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _321646)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _323504)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _333098)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _335802)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _352736)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _358306)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _360164)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _376174)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _358306)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _393816)
   Call: (204) [system] peek_char((0x560c892e10d0), _394750)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_399470, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_400402, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _407752)
   Call: (205) [system] peek_char((0x560c892e10d0), _408686)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_413406, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_414338, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _421688)
   Call: (206) [system] peek_char((0x560c892e10d0), _422622)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_427342, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_428274, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _435624)
   Call: (207) [system] peek_char((0x560c892e10d0), _436558)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_441278, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_442210, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _449560)
   Call: (208) [system] peek_char((0x560c892e10d0), _450494)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_455214, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_456146, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _463496)
   Call: (209) [system] peek_char((0x560c892e10d0), _464430)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_469150, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_470082, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _477432)
   Call: (210) [system] peek_char((0x560c892e10d0), _478366)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_483086, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_484018, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _491368)
   Call: (211) [system] peek_char((0x560c892e10d0), _492302)
   Exit: (211) [system] peek_char((0x560c892e10d0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_497022, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_497954, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x560c892e10d0), '1')
   Exit: (211) [system] get_char((0x560c892e10d0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _505304)
   Call: (212) [system] peek_char((0x560c892e10d0), _506238)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_510958, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _505304=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _491368=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (210) [system] _477432=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (209) [system] _463496=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (208) [system] _449560=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (207) [system] _435624=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (206) [system] _421688=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (205) [system] _407752=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _393816=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _358306)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _539746)
   Call: (205) [system] atom_chars(_540678, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _358306=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _549970)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _551828)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _567838)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _571628)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _549970=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _321646=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (200) [system] _128654=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (199) [system] _24828=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _585510)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _587368)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _596962)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _599666)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _616600)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _622170)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _624028)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _640038)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _622170)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _657680)
   Call: (201) [system] peek_char((0x560c892e10d0), _658614)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_663334, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_664266, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _671616)
   Call: (202) [system] peek_char((0x560c892e10d0), _672550)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_677270, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_678202, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _685552)
   Call: (203) [system] peek_char((0x560c892e10d0), _686486)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _685552=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _671616=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (201) [system] _657680=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _622170)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _701358)
   Call: (202) [system] atom_chars(_702290, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _622170=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _711582)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _713440)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _723034)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _725738)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _742672)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _748242)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _750100)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _766110)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _748242)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _783752)
   Call: (202) [system] peek_char((0x560c892e10d0), _784686)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_789406, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_790338, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _797688)
   Call: (203) [system] peek_char((0x560c892e10d0), _798622)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_803342, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_804274, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _811624)
   Call: (204) [system] peek_char((0x560c892e10d0), _812558)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _811624=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _797688=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _783752=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _748242)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _827430)
   Call: (203) [system] atom_chars(_828362, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _748242=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _837654)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _839512)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _849106)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _851810)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _868744)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _874314)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _876172)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _892182)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _874314)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _909824)
   Call: (203) [system] peek_char((0x560c892e10d0), _910758)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_915478, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_916410, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _923760)
   Call: (204) [system] peek_char((0x560c892e10d0), _924694)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_929414, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _923760=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _909824=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _874314)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _938644)
   Call: (204) [system] atom_chars(_939576, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _874314=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _948868)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _950726)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _966736)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _970526)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _948868=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _837654=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (199) [system] _711582=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (198) [system] _585510=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (197) [system] _3648=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3640=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _989996)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _991854)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1007864)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1011654)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _989996=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _3636=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3602=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1022742)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1024600)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1036050)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1038754)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1048348)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1051052)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1060646)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1063350)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1072944)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1075648)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1085242)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1087946)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1097540)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1100244)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1109838)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1112542)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1122136)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1124840)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1134434)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1137138)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1146732)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1149436)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1159030)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1161734)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1187908)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1193478)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1195336)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1211346)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1193478)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1216916)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1232926)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1238496)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1240354)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1256364)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1238496)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1261934)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1277944)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1283514)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1285372)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1301382)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _1283514)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1319024)
   Call: (199) [system] peek_char((0x560c892e10d0), _1319958)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1319024=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1283514)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1329242)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1330194, _1330196), once(user:catch(read_from_chars([:], _1329242), _1330176, fail)), '$restore_trace'(_1330194, _1330196))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1330194, _1330196))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1330176, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1283514=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1342322)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1344180)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1353774)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1356478)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1373412)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1378982)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1380840)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1396850)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1378982)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414492)
   Call: (200) [system] peek_char((0x560c892e10d0), _1415426)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1420146, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1421078, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1428428)
   Call: (201) [system] peek_char((0x560c892e10d0), _1429362)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1434082, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1435014, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442364)
   Call: (202) [system] peek_char((0x560c892e10d0), _1443298)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1448018, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1448950, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1456300)
   Call: (203) [system] peek_char((0x560c892e10d0), _1457234)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1461954, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1462886, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1470236)
   Call: (204) [system] peek_char((0x560c892e10d0), _1471170)
   Exit: (204) [system] peek_char((0x560c892e10d0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1475890, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1476822, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x560c892e10d0), f)
   Exit: (204) [system] get_char((0x560c892e10d0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1484172)
   Call: (205) [system] peek_char((0x560c892e10d0), _1485106)
   Exit: (205) [system] peek_char((0x560c892e10d0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1489826, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1490758, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x560c892e10d0), '2')
   Exit: (205) [system] get_char((0x560c892e10d0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1498108)
   Call: (206) [system] peek_char((0x560c892e10d0), _1499042)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1498108=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1484172=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (204) [system] _1470236=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (203) [system] _1456300=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (202) [system] _1442364=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (201) [system] _1428428=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (200) [system] _1414492=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1378982)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1525090)
   Call: (201) [system] atom_chars(_1526022, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1378982=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1535314)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1537172)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1546766)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1549470)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1566404)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1571974)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1573832)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1589842)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1571974)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1607484)
   Call: (201) [system] peek_char((0x560c892e10d0), _1608418)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1613138, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1614070, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1621420)
   Call: (202) [system] peek_char((0x560c892e10d0), _1622354)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1627074, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1628006, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1635356)
   Call: (203) [system] peek_char((0x560c892e10d0), _1636290)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1641010, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1641942, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1649292)
   Call: (204) [system] peek_char((0x560c892e10d0), _1650226)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1654946, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1655878, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1663228)
   Call: (205) [system] peek_char((0x560c892e10d0), _1664162)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1668882, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1669814, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677164)
   Call: (206) [system] peek_char((0x560c892e10d0), _1678098)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1682818, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1683750, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1691100)
   Call: (207) [system] peek_char((0x560c892e10d0), _1692034)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1696754, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1697686, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705036)
   Call: (208) [system] peek_char((0x560c892e10d0), _1705970)
   Exit: (208) [system] peek_char((0x560c892e10d0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1710690, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_1711622, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x560c892e10d0), '2')
   Exit: (208) [system] get_char((0x560c892e10d0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1718972)
   Call: (209) [system] peek_char((0x560c892e10d0), _1719906)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1724626, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1718972=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1705036=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (207) [system] _1691100=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (206) [system] _1677164=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (205) [system] _1663228=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (204) [system] _1649292=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (203) [system] _1635356=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (202) [system] _1621420=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1607484=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1571974)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1753414)
   Call: (202) [system] atom_chars(_1754346, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _1571974=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1763638)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1765496)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1781506)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _1785296)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _1763638=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _1535314=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (197) [system] _1342322=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (196) [system] _1238496=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1799178)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1801036)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1810630)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1813334)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1830268)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1835838)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1837696)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1853706)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1835838)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1859276)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1875286)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1880856)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1882714)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1898724)
   Exit: (198) [system] get_char((0x560c892e10d0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), s, _1880856)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1916366)
   Call: (200) [system] peek_char((0x560c892e10d0), _1917300)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1922020, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1922952, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1930302)
   Call: (201) [system] peek_char((0x560c892e10d0), _1931236)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1935956, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1936888, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1944238)
   Call: (202) [system] peek_char((0x560c892e10d0), _1945172)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1949892, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1950824, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1958174)
   Call: (203) [system] peek_char((0x560c892e10d0), _1959108)
   Exit: (203) [system] peek_char((0x560c892e10d0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1963828, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1964760, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x560c892e10d0), h)
   Exit: (203) [system] get_char((0x560c892e10d0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1972110)
   Call: (204) [system] peek_char((0x560c892e10d0), _1973044)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1977764, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1978696, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1986046)
   Call: (205) [system] peek_char((0x560c892e10d0), _1986980)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1991700, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1992632, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1999982)
   Call: (206) [system] peek_char((0x560c892e10d0), _2000916)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_2005636, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_2006568, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2013918)
   Call: (207) [system] peek_char((0x560c892e10d0), _2014852)
   Exit: (207) [system] peek_char((0x560c892e10d0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_2019572, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_2020504, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x560c892e10d0), z)
   Exit: (207) [system] get_char((0x560c892e10d0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _2027854)
   Call: (208) [system] peek_char((0x560c892e10d0), _2028788)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_2033508, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_2034440, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2041790)
   Call: (209) [system] peek_char((0x560c892e10d0), _2042724)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2041790=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _2027854=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (207) [system] _2013918=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (206) [system] _1999982=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (205) [system] _1986046=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (204) [system] _1972110=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (203) [system] _1958174=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (202) [system] _1944238=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1930302=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1916366=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1880856)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2077154)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_2078106, _2078108), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2077154), _2078088, fail)), '$restore_trace'(_2078106, _2078108))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_2078106, _2078108))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2078088, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1880856=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _2090234)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2092092)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _8580)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _11284)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _28218)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _33788)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _35646)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _51656)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _33788)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _57226)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _73236)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _78806)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _80664)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _96674)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _78806)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _114316)
   Call: (203) [system] peek_char((0x560c892e10d0), _115250)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _114316=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _78806)
^  Call: (203) [user] classify_and_convert_charseq_([:], _124534)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_125486, _125488), once(user:catch(read_from_chars([:], _124534), _125468, fail)), '$restore_trace'(_125486, _125488))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_125486, _125488))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _125468, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _78806=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _137614)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _139472)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _149066)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _151770)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _168704)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _174274)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _176132)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _192142)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _174274)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _209784)
   Call: (204) [system] peek_char((0x560c892e10d0), _210718)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_215438, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_216370, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _223720)
   Call: (205) [system] peek_char((0x560c892e10d0), _224654)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_229374, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_230306, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _237656)
   Call: (206) [system] peek_char((0x560c892e10d0), _238590)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_243310, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_244242, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _251592)
   Call: (207) [system] peek_char((0x560c892e10d0), _252526)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_257246, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_258178, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _265528)
   Call: (208) [system] peek_char((0x560c892e10d0), _266462)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_271182, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_272114, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _279464)
   Call: (209) [system] peek_char((0x560c892e10d0), _280398)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_285118, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_286050, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _293400)
   Call: (210) [system] peek_char((0x560c892e10d0), _294334)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _293400=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _279464=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _265528=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (207) [system] _251592=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (206) [system] _237656=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (205) [system] _223720=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (204) [system] _209784=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _174274)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _320382)
   Call: (205) [system] atom_chars(_321314, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _174274=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _330606)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _332464)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _342058)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _344762)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _361696)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _367266)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _369124)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _385134)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _367266)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _402776)
   Call: (205) [system] peek_char((0x560c892e10d0), _403710)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_408430, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_409362, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _416712)
   Call: (206) [system] peek_char((0x560c892e10d0), _417646)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_422366, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_423298, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _430648)
   Call: (207) [system] peek_char((0x560c892e10d0), _431582)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_436302, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_437234, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _444584)
   Call: (208) [system] peek_char((0x560c892e10d0), _445518)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_450238, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_451170, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _458520)
   Call: (209) [system] peek_char((0x560c892e10d0), _459454)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_464174, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_465106, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _472456)
   Call: (210) [system] peek_char((0x560c892e10d0), _473390)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_478110, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_479042, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _486392)
   Call: (211) [system] peek_char((0x560c892e10d0), _487326)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_492046, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_492978, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _500328)
   Call: (212) [system] peek_char((0x560c892e10d0), _501262)
   Exit: (212) [system] peek_char((0x560c892e10d0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_505982, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_506914, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x560c892e10d0), '2')
   Exit: (212) [system] get_char((0x560c892e10d0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _514264)
   Call: (213) [system] peek_char((0x560c892e10d0), _515198)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_519918, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _514264=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _500328=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (211) [system] _486392=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (210) [system] _472456=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (209) [system] _458520=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (208) [system] _444584=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (207) [system] _430648=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (206) [system] _416712=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _402776=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _367266)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _548706)
   Call: (206) [system] atom_chars(_549638, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _367266=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _558930)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _560788)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _576798)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _580588)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _558930=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _330606=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (201) [system] _137614=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (200) [system] _33788=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _594470)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _596328)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _605922)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _608626)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _625560)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _631130)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _632988)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _648998)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _631130)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _666640)
   Call: (202) [system] peek_char((0x560c892e10d0), _667574)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_672294, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_673226, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _680576)
   Call: (203) [system] peek_char((0x560c892e10d0), _681510)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_686230, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_687162, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _694512)
   Call: (204) [system] peek_char((0x560c892e10d0), _695446)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _694512=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _680576=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _666640=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _631130)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _710318)
   Call: (203) [system] atom_chars(_711250, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _631130=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _720542)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _722400)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _731994)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _734698)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _751632)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _757202)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _759060)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _775070)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _757202)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _792712)
   Call: (203) [system] peek_char((0x560c892e10d0), _793646)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_798366, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_799298, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _806648)
   Call: (204) [system] peek_char((0x560c892e10d0), _807582)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_812302, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_813234, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _820584)
   Call: (205) [system] peek_char((0x560c892e10d0), _821518)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _820584=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _806648=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _792712=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _757202)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _836390)
   Call: (204) [system] atom_chars(_837322, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _757202=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _846614)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _848472)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _858066)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _860770)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _877704)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _883274)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _885132)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _901142)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _883274)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _918784)
   Call: (204) [system] peek_char((0x560c892e10d0), _919718)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_924438, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_925370, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _932720)
   Call: (205) [system] peek_char((0x560c892e10d0), _933654)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_938374, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _932720=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _918784=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _883274)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _947604)
   Call: (205) [system] atom_chars(_948536, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _883274=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _957828)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _959686)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _975696)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _979486)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _957828=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _846614=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (200) [system] _720542=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (199) [system] _594470=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (198) [system] _3760=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3752=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _998956)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1000814)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1016824)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1020614)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _998956=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _3748=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3714=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1031702)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1033560)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1049570)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1053360)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1031702=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _3710=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (191) [system] _3598=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (190) [system] _3524=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1070036)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1071894)
   Exit: (189) [system] peek_char((0x560c892e10d0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x560c892e10d0), _1083344)
   Exit: (189) [system] get_char((0x560c892e10d0), '\n')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1086048)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1095642)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1098346)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1107940)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1110644)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1120238)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1122942)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1132536)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1135240)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1144834)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1147538)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1169092)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1174662)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1176520)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1192530)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _1174662)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1210172)
   Call: (191) [system] peek_char((0x560c892e10d0), _1211106)
   Exit: (191) [system] peek_char((0x560c892e10d0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1215826, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1216758, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x560c892e10d0), q)
   Exit: (191) [system] get_char((0x560c892e10d0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1224108)
   Call: (192) [system] peek_char((0x560c892e10d0), _1225042)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1229762, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1230694, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1238044)
   Call: (193) [system] peek_char((0x560c892e10d0), _1238978)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1243698, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1244630, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1251980)
   Call: (194) [system] peek_char((0x560c892e10d0), _1252914)
   Exit: (194) [system] peek_char((0x560c892e10d0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1257634, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1258566, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x560c892e10d0), r)
   Exit: (194) [system] get_char((0x560c892e10d0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1265916)
   Call: (195) [system] peek_char((0x560c892e10d0), _1266850)
   Exit: (195) [system] peek_char((0x560c892e10d0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1271570, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1272502, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x560c892e10d0), y)
   Exit: (195) [system] get_char((0x560c892e10d0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1279852)
   Call: (196) [system] peek_char((0x560c892e10d0), _1280786)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1285506, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1279852=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1265916=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (194) [system] _1251980=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (193) [system] _1238044=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (192) [system] _1224108=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (191) [system] _1210172=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1174662)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1305912)
   Call: (192) [system] atom_chars(_1306844, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1174662=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1316136)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1317994)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1334004)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1337794)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1316136=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1070036=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1351676)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1353534)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1369544)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1373334)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1351676=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1391852, _1391854, _1391856, _1391858, _1391860))
^  Exit: (177) [user] retract(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316)
   Call: (187) [system] var('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] atom('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==true
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==false
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==[_1406836, _1406842]
   Call: (187) [system] is_list('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] string('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1411470, _1411472)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1415212)
   Call: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1415212, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", _1417092)
   Call: (190) [system] var(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==true
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==false
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==[_1421734, _1421740]
   Call: (190) [system] is_list(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
   Exit: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Fail: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
^  Fail: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=_1417092
   Exit: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
^  Exit: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (189) [apply] apply:maplist_([40, 0], _1417094, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(40, _1435614)
   Call: (191) [system] var(40)
   Call: (191) [system] atom(40)
   Call: (191) [system] 40==true
   Call: (191) [system] 40==false
   Call: (191) [system] 40==[_1440256, _1440262]
   Call: (191) [system] is_list(40)
   Call: (191) [system] string(40)
   Call: (191) [system] compound(40)
^  Call: (191) [user] symbol(40)
   Call: (192) [system] atom(40)
   Fail: (192) [system] atom(40)
^  Fail: (191) [user] symbol(40)
   Call: (191) [system] 40=_1435614
   Exit: (191) [system] 40=40
^  Exit: (190) [user] mfix_vars1(40, 40)
   Call: (190) [apply] apply:maplist_([0], _1435616, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1451380)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1456022, _1456028]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1451380
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1451382, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([40, 0], [40, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] compound_name_arguments(_1400316, '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (178) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1729639320_140374, 58)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639322.691723)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639322.691723-1729639320.1364253
   Exit: (173) [system] 2.5552978515625 is 1729639322.691723-1729639320.1364253
   Call: (173) [system] 2.5552978515625>4
   Fail: (173) [system] 2.5552978515625>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 6)
   Call: (175) [system] atom(6+1)
   Call: (175) [system] set_flag(translated_forms, 7)
   Exit: (175) [system] set_flag(translated_forms, 7)
   Exit: (174) [$syspreds] update_flag(translated_forms, 6, 6+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 6, 6+1))
   Exit: (171) [$syspreds] flag(translated_forms, 6, 6+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1729639320_140374, 58)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1729639320_140374, 58)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 6, 6+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1729639320_140374, 58)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 65)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 65))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 65))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1571740)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1579162)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1587500)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1590286=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1592154, _1592156, _1592158, _1592160), read_sexpr((0x560c892e10d0), _1592172), assertz(metta_file_comment(_1592154, _1592156, _1592158, _1592172, _1592160))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1592154, _1592156, _1592158, _1592160)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1592160))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1592160))
   Exit: (181) [system] nonvar(position(_1592160))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1592154)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1602412)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1592154)
   Exit: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1592156)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1609846)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1592156)
   Exit: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1592158)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1617280)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1592158)
   Exit: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (179) [user] read_position((0x560c892e10d0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1592172)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1592172)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1627506)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _1632144, _1632146, _1632148, _1632150)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_1632150))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_1632150))
   Exit: (185) [system] nonvar(position(_1632150))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1632144)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1641438)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1632144)
   Exit: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1632146)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1648872)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1632146)
   Exit: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1632148)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1656306)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1632148)
   Exit: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (183) [user] read_position((0x560c892e10d0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _1661900)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _1662830, _1662832)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Trinary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1661900=";; Trinary rule"
   Exit: (184) [system] ";; Trinary rule"=";; Trinary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Trinary rule")
^  Call: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1673092)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1690026)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1592172)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1695596)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1711606)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1717176)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1719034)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1735044)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1717176)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752686)
   Call: (185) [system] peek_char((0x560c892e10d0), _1753620)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1752686=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1717176)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1762904)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1763856, _1763858), once(user:catch(read_from_chars([=], _1762904), _1763838, fail)), '$restore_trace'(_1763856, _1763858))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1763856, _1763858))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1763838, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1717176=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1775984)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1777842)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1787436)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1790140)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1807074)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1812644)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1814502)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1830512)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1812644)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1836082)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1852092)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1857662)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1859520)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1875530)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _1857662)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1893172)
   Call: (188) [system] peek_char((0x560c892e10d0), _1894106)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1898826, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1899758, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1907108)
   Call: (189) [system] peek_char((0x560c892e10d0), _1908042)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1912762, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1913694, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1921044)
   Call: (190) [system] peek_char((0x560c892e10d0), _1921978)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1926698, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1927630, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1934980)
   Call: (191) [system] peek_char((0x560c892e10d0), _1935914)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1940634, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1941566, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1948916)
   Call: (192) [system] peek_char((0x560c892e10d0), _1949850)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1954570, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1955502, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1962852)
   Call: (193) [system] peek_char((0x560c892e10d0), _1963786)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1968506, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1969438, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1976788)
   Call: (194) [system] peek_char((0x560c892e10d0), _1977722)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1982442, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1983374, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1990724)
   Call: (195) [system] peek_char((0x560c892e10d0), _1991658)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1996378, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1997310, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _2004660)
   Call: (196) [system] peek_char((0x560c892e10d0), _2005594)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_2010314, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_2011246, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _2018596)
   Call: (197) [system] peek_char((0x560c892e10d0), _2019530)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _2018596=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _2004660=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _1990724=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _1976788=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _1962852=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _1948916=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _1934980=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _1921044=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1907108=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1893172=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1857662)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2053960)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_2054912, _2054914), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2053960), _2054894, fail)), '$restore_trace'(_2054912, _2054914))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_2054912, _2054914))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2054894, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1857662=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _2067040)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _2068898)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _2078492)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2081196)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _4688)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _10258)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _12116)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _28126)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _10258)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _45768)
   Call: (189) [system] peek_char((0x560c892e10d0), _46702)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_51422, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_52354, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _59704)
   Call: (190) [system] peek_char((0x560c892e10d0), _60638)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_65358, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_66290, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _73640)
   Call: (191) [system] peek_char((0x560c892e10d0), _74574)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_79294, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_80226, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _87576)
   Call: (192) [system] peek_char((0x560c892e10d0), _88510)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_93230, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_94162, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _101512)
   Call: (193) [system] peek_char((0x560c892e10d0), _102446)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_107166, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_108098, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _115448)
   Call: (194) [system] peek_char((0x560c892e10d0), _116382)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _115448=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _101512=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _87576=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _73640=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _59704=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _45768=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _10258)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _139636)
   Call: (190) [system] atom_chars(_140568, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _10258=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _149860)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _151718)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _161312)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _164016)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _180950)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _186520)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _188378)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _204388)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _186520)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _222030)
   Call: (190) [system] peek_char((0x560c892e10d0), _222964)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_227684, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_228616, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _235966)
   Call: (191) [system] peek_char((0x560c892e10d0), _236900)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_241620, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_242552, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _249902)
   Call: (192) [system] peek_char((0x560c892e10d0), _250836)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _249902=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _235966=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _222030=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _186520)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _265708)
   Call: (191) [system] atom_chars(_266640, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _186520=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _275932)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _277790)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _287384)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _290088)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _307022)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _312592)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _314450)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _330460)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _312592)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _348102)
   Call: (191) [system] peek_char((0x560c892e10d0), _349036)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_353756, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_354688, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _362038)
   Call: (192) [system] peek_char((0x560c892e10d0), _362972)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_367692, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_368624, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _375974)
   Call: (193) [system] peek_char((0x560c892e10d0), _376908)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _375974=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _362038=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _348102=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _312592)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _391780)
   Call: (192) [system] atom_chars(_392712, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _312592=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _402004)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _403862)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _413456)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _416160)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _433094)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _438664)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _440522)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _456532)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _438664)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _462102)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _478112)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _483682)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _485540)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _501550)
   Exit: (192) [system] get_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', _483682)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _519192)
   Call: (194) [system] peek_char((0x560c892e10d0), _520126)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _519192=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _483682)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _529410)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_530362, _530364), once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), '$restore_trace'(_530362, _530364))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_530362, _530364))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_529410)
   Fail: (195) [system] atomic(_529410)
   Call: (195) [system] atom_chars(_529410, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _483682='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _544360)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _546218)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _555812)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _558516)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _575450)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _581020)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _582878)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _598888)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _581020)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _616530)
   Call: (195) [system] peek_char((0x560c892e10d0), _617464)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_622184, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_623116, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _630466)
   Call: (196) [system] peek_char((0x560c892e10d0), _631400)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_636120, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _630466=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _616530=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _581020)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _645350)
   Call: (196) [system] atom_chars(_646282, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _581020=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _655574)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _657432)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _673442)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _677232)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _655574=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _544360=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (191) [system] _438664=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _688320)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _690178)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _706188)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _709978)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _688320=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _402004=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [['S', _k]])
   Call: (188) [system] _275932=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, ['S', _k]])
   Call: (187) [system] _149860=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _729448)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _731306)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _742756)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _745460)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _755054)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _757758)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _767352)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _770056)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _779650)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _782354)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _802060)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _807630)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _809488)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _825498)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _807630)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _831068)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _847078)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _852648)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _854506)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _870516)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _852648)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _888158)
   Call: (189) [system] peek_char((0x560c892e10d0), _889092)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_893812, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_894744, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _902094)
   Call: (190) [system] peek_char((0x560c892e10d0), _903028)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_907748, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_908680, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _916030)
   Call: (191) [system] peek_char((0x560c892e10d0), _916964)
   Exit: (191) [system] peek_char((0x560c892e10d0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_921684, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_922616, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x560c892e10d0), *)
   Exit: (191) [system] get_char((0x560c892e10d0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _929966)
   Call: (192) [system] peek_char((0x560c892e10d0), _930900)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _929966=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _916030=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [*])
   Call: (190) [system] _902094=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, *])
   Call: (189) [system] _888158=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _852648)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _948566)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_949518, _949520), once(user:catch(read_from_chars([l, e, t, *], _948566), _949500, fail)), '$restore_trace'(_949518, _949520))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_949518, _949520))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), 'let*')
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _12826)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _14684)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _24278)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _26982)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _43916)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _49486)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _51344)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _67354)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _49486)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _72924)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _88934)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _94504)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _96362)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _112372)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _94504)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _117942)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _133952)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _139522)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _141380)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _157390)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _139522)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _162960)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _178970)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _184540)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _186398)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _202408)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _220050)
   Call: (196) [system] peek_char((0x560c892e10d0), _220984)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _243348)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _245206)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _254800)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _257504)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _274438)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _280008)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _281866)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _297876)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _315518)
   Call: (197) [system] peek_char((0x560c892e10d0), _316452)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _329454)
   Call: (198) [system] peek_char((0x560c892e10d0), _330388)
   Exit: (198) [system] peek_char((0x560c892e10d0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x560c892e10d0), u)
   Exit: (198) [system] get_char((0x560c892e10d0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _343390)
   Call: (199) [system] peek_char((0x560c892e10d0), _344324)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _357326)
   Call: (200) [system] peek_char((0x560c892e10d0), _358260)
   Exit: (200) [system] peek_char((0x560c892e10d0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x560c892e10d0), t)
   Exit: (200) [system] get_char((0x560c892e10d0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _371262)
   Call: (201) [system] peek_char((0x560c892e10d0), _372196)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _385198)
   Call: (202) [system] peek_char((0x560c892e10d0), _386132)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _399134)
   Call: (203) [system] peek_char((0x560c892e10d0), _400068)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _436340)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _438198)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _447792)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _450496)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _467430)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _473000)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _474858)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _490868)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _473000)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _496438)
   Exit: (198) [system] peek_char((0x560c892e10d0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _512448)
   Exit: (197) [system] peek_char((0x560c892e10d0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _518018)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _519876)
   Exit: (199) [system] peek_char((0x560c892e10d0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _535886)
   Exit: (198) [system] get_char((0x560c892e10d0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _553528)
   Call: (200) [system] peek_char((0x560c892e10d0), _554462)
   Exit: (200) [system] peek_char((0x560c892e10d0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x560c892e10d0), >)
   Exit: (200) [system] get_char((0x560c892e10d0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _567464)
   Call: (201) [system] peek_char((0x560c892e10d0), _568398)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _593556)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _595414)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _605008)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607712)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _624646)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _630216)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _632074)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _648084)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _665726)
   Call: (201) [system] peek_char((0x560c892e10d0), _666660)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _679662)
   Call: (202) [system] peek_char((0x560c892e10d0), _680596)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _693598)
   Call: (203) [system] peek_char((0x560c892e10d0), _694532)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _707534)
   Call: (204) [system] peek_char((0x560c892e10d0), _708468)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _721470)
   Call: (205) [system] peek_char((0x560c892e10d0), _722404)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _735406)
   Call: (206) [system] peek_char((0x560c892e10d0), _736340)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _749342)
   Call: (207) [system] peek_char((0x560c892e10d0), _750276)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _763278)
   Call: (208) [system] peek_char((0x560c892e10d0), _764212)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _777214)
   Call: (209) [system] peek_char((0x560c892e10d0), _778148)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _820008)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _821866)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _831460)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _834164)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _851098)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _856668)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _858526)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _874536)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _892178)
   Call: (202) [system] peek_char((0x560c892e10d0), _893112)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _906114)
   Call: (203) [system] peek_char((0x560c892e10d0), _907048)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _920050)
   Call: (204) [system] peek_char((0x560c892e10d0), _920984)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _933986)
   Call: (205) [system] peek_char((0x560c892e10d0), _934920)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _947922)
   Call: (206) [system] peek_char((0x560c892e10d0), _948856)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _961858)
   Call: (207) [system] peek_char((0x560c892e10d0), _962792)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _975794)
   Call: (208) [system] peek_char((0x560c892e10d0), _976728)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _989730)
   Call: (209) [system] peek_char((0x560c892e10d0), _990664)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003666)
   Call: (210) [system] peek_char((0x560c892e10d0), _1004600)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1046460)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1048318)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1057912)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1060616)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1077550)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1083120)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1084978)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1100988)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118630)
   Call: (203) [system] peek_char((0x560c892e10d0), _1119564)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132566)
   Call: (204) [system] peek_char((0x560c892e10d0), _1133500)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146502)
   Call: (205) [system] peek_char((0x560c892e10d0), _1147436)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160438)
   Call: (206) [system] peek_char((0x560c892e10d0), _1161372)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174374)
   Call: (207) [system] peek_char((0x560c892e10d0), _1175308)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188310)
   Call: (208) [system] peek_char((0x560c892e10d0), _1189244)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202246)
   Call: (209) [system] peek_char((0x560c892e10d0), _1203180)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216182)
   Call: (210) [system] peek_char((0x560c892e10d0), _1217116)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230118)
   Call: (211) [system] peek_char((0x560c892e10d0), _1231052)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1216182=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _1202246=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (208) [system] _1188310=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (207) [system] _1174374=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (206) [system] _1160438=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (205) [system] _1146502=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132566=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118630=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262688)
   Call: (204) [system] atom_chars(_1263620, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083120=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1272912)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1274770)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1284364)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1287068)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1304002)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1309572)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1311430)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1327440)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1309572)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1345082)
   Call: (204) [system] peek_char((0x560c892e10d0), _1346016)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1350736, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1351668, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1359018)
   Call: (205) [system] peek_char((0x560c892e10d0), _1359952)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1364672, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1365604, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372954)
   Call: (206) [system] peek_char((0x560c892e10d0), _1373888)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1378608, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1379540, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386890)
   Call: (207) [system] peek_char((0x560c892e10d0), _1387824)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1392544, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1393476, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1400826)
   Call: (208) [system] peek_char((0x560c892e10d0), _1401760)
   Exit: (208) [system] peek_char((0x560c892e10d0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1406480, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1407412, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x560c892e10d0), l)
   Exit: (208) [system] get_char((0x560c892e10d0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414762)
   Call: (209) [system] peek_char((0x560c892e10d0), _1415696)
   Exit: (209) [system] peek_char((0x560c892e10d0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1420416, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1421348, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x560c892e10d0), u)
   Exit: (209) [system] get_char((0x560c892e10d0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1428698)
   Call: (210) [system] peek_char((0x560c892e10d0), _1429632)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1434352, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1435284, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442634)
   Call: (211) [system] peek_char((0x560c892e10d0), _1443568)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1448288, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1449220, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1456570)
   Call: (212) [system] peek_char((0x560c892e10d0), _1457504)
   Exit: (212) [system] peek_char((0x560c892e10d0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1462224, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1463156, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x560c892e10d0), o)
   Exit: (212) [system] get_char((0x560c892e10d0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1470506)
   Call: (213) [system] peek_char((0x560c892e10d0), _1471440)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1476160, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1477092, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1484442)
   Call: (214) [system] peek_char((0x560c892e10d0), _1485376)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1490096, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1484442=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _1470506=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (212) [system] _1456570=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (211) [system] _1442634=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (210) [system] _1428698=[s, i, o, n]
   Exit: (210) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (209) [system] _1414762=[u, s, i, o, n]
   Exit: (209) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (208) [system] _1400826=[l, u, s, i, o, n]
   Exit: (208) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (207) [system] _1386890=[c, l, u, s, i, o, n]
   Exit: (207) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (206) [system] _1372954=[n, c, l, u, s, i, o, n]
   Exit: (206) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (205) [system] _1359018=[o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (204) [system] _1345082=[c, o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1309572)
^  Call: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1524472)
   Call: (205) [system] atom_chars(_1525404, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (205) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (204) [system] integer(_conclusion)
   Fail: (204) [system] integer(_conclusion)
   Call: (204) [system] _1309572=_conclusion
   Exit: (204) [system] _conclusion=_conclusion
^  Exit: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1534696)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1536554)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1552564)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1556354)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1534696=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1272912=[_conclusion]
   Exit: (201) [system] [_conclusion]=[_conclusion]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (200) [system] _1046460=[_premise3, _conclusion]
   Exit: (200) [system] [_premise3, _conclusion]=[_premise3, _conclusion]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_premise3, _conclusion])
   Call: (199) [system] _820008=[_premise2, _premise3, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _conclusion]=[_premise2, _premise3, _conclusion]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise2, _premise3, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _premise3, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _conclusion]=[_premise1, _premise2, _premise3, _conclusion]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise1, _premise2, _premise3, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _premise3, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _conclusion]=[->, _premise1, _premise2, _premise3, _conclusion]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1575824)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1577682)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1593692)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1597482)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1575824=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _conclusion]]=[[->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1611364)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1613222)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1622816)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1625520)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1642454)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1648024)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1649882)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1665892)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1648024)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1671462)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1687472)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1693042)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1694900)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1710910)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1693042)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1728552)
   Call: (197) [system] peek_char((0x560c892e10d0), _1729486)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1734206, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1735138, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1742488)
   Call: (198) [system] peek_char((0x560c892e10d0), _1743422)
   Exit: (198) [system] peek_char((0x560c892e10d0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1748142, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1749074, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x560c892e10d0), b)
   Exit: (198) [system] get_char((0x560c892e10d0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1756424)
   Call: (199) [system] peek_char((0x560c892e10d0), _1757358)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1762078, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1756424=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1742488=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (197) [system] _1728552=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1693042)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1774102)
   Call: (198) [system] atom_chars(_1775034, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1693042=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1784326)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1786184)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1802194)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1805984)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1784326=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1648024=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [_rb])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1814278)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1816136)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1832146)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1835936)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1814278=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1611364=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1847024)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1848882)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _1860332)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1863036)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1872630)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1875334)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1884928)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1887632)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1897226)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1899930)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1909524)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1912228)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1921822)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1924526)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1934120)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1936824)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1946418)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1949122)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1958716)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1961420)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1971014)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1973718)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1983312)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1986016)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2012190)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _2017760)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2019618)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _2035628)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _2017760)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2041198)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2057208)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _2062778)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2064636)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _2080646)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _2062778)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2086216)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _8930)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _14500)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _16358)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _32368)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _14500)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _50010)
   Call: (197) [system] peek_char((0x560c892e10d0), _50944)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _50010=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _14500)
^  Call: (197) [user] classify_and_convert_charseq_([:], _60228)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_61180, _61182), once(user:catch(read_from_chars([:], _60228), _61162, fail)), '$restore_trace'(_61180, _61182))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_61180, _61182))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _61162, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _14500=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _73308)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _75166)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _84760)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _87464)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _104398)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _109968)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _111826)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _127836)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _109968)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _133406)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _149416)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _154986)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _156844)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _172854)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _154986)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _190496)
   Call: (200) [system] peek_char((0x560c892e10d0), _191430)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_196150, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_197082, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _204432)
   Call: (201) [system] peek_char((0x560c892e10d0), _205366)
   Exit: (201) [system] peek_char((0x560c892e10d0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_210086, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_211018, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x560c892e10d0), u)
   Exit: (201) [system] get_char((0x560c892e10d0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _218368)
   Call: (202) [system] peek_char((0x560c892e10d0), _219302)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_224022, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_224954, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _232304)
   Call: (203) [system] peek_char((0x560c892e10d0), _233238)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_237958, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_238890, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _246240)
   Call: (204) [system] peek_char((0x560c892e10d0), _247174)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_251894, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_252826, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _260176)
   Call: (205) [system] peek_char((0x560c892e10d0), _261110)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_265830, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_266762, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _274112)
   Call: (206) [system] peek_char((0x560c892e10d0), _275046)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _274112=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _260176=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (204) [system] _246240=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (203) [system] _232304=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (202) [system] _218368=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (201) [system] _204432=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (200) [system] _190496=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _154986)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _301094)
   Call: (201) [system] atom_chars(_302026, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _154986=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _311318)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _313176)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _322770)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _325474)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _342408)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _347978)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _349836)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _365846)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _347978)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _383488)
   Call: (201) [system] peek_char((0x560c892e10d0), _384422)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_389142, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_390074, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _397424)
   Call: (202) [system] peek_char((0x560c892e10d0), _398358)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_403078, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_404010, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _411360)
   Call: (203) [system] peek_char((0x560c892e10d0), _412294)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_417014, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_417946, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _425296)
   Call: (204) [system] peek_char((0x560c892e10d0), _426230)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_430950, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_431882, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _439232)
   Call: (205) [system] peek_char((0x560c892e10d0), _440166)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_444886, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_445818, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _453168)
   Call: (206) [system] peek_char((0x560c892e10d0), _454102)
   Exit: (206) [system] peek_char((0x560c892e10d0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_458822, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_459754, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x560c892e10d0), '1')
   Exit: (206) [system] get_char((0x560c892e10d0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _467104)
   Call: (207) [system] peek_char((0x560c892e10d0), _468038)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _467104=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _453168=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (205) [system] _439232=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (204) [system] _425296=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (203) [system] _411360=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (202) [system] _397424=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (201) [system] _383488=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _347978)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _494086)
   Call: (202) [system] atom_chars(_495018, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _347978=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _504310)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _506168)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _515762)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _518466)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _535400)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _540970)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _542828)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _558838)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _540970)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _576480)
   Call: (202) [system] peek_char((0x560c892e10d0), _577414)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_582134, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_583066, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _590416)
   Call: (203) [system] peek_char((0x560c892e10d0), _591350)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_596070, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_597002, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _604352)
   Call: (204) [system] peek_char((0x560c892e10d0), _605286)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_610006, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_610938, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _618288)
   Call: (205) [system] peek_char((0x560c892e10d0), _619222)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_623942, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_624874, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _632224)
   Call: (206) [system] peek_char((0x560c892e10d0), _633158)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_637878, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_638810, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _646160)
   Call: (207) [system] peek_char((0x560c892e10d0), _647094)
   Exit: (207) [system] peek_char((0x560c892e10d0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_651814, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_652746, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x560c892e10d0), '2')
   Exit: (207) [system] get_char((0x560c892e10d0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _660096)
   Call: (208) [system] peek_char((0x560c892e10d0), _661030)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _660096=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _646160=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (206) [system] _632224=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (205) [system] _618288=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (204) [system] _604352=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (203) [system] _590416=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (202) [system] _576480=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _540970)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _687078)
   Call: (203) [system] atom_chars(_688010, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _540970=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _697302)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _699160)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _708754)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _711458)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _728392)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _733962)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _735820)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _751830)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _733962)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _769472)
   Call: (203) [system] peek_char((0x560c892e10d0), _770406)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_775126, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_776058, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _783408)
   Call: (204) [system] peek_char((0x560c892e10d0), _784342)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_789062, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_789994, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _797344)
   Call: (205) [system] peek_char((0x560c892e10d0), _798278)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_802998, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_803930, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _811280)
   Call: (206) [system] peek_char((0x560c892e10d0), _812214)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_816934, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_817866, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _825216)
   Call: (207) [system] peek_char((0x560c892e10d0), _826150)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_830870, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_831802, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _839152)
   Call: (208) [system] peek_char((0x560c892e10d0), _840086)
   Exit: (208) [system] peek_char((0x560c892e10d0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_844806, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_845738, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x560c892e10d0), '3')
   Exit: (208) [system] get_char((0x560c892e10d0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _853088)
   Call: (209) [system] peek_char((0x560c892e10d0), _854022)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_858742, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _853088=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _839152=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (207) [system] _825216=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (206) [system] _811280=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (205) [system] _797344=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (204) [system] _783408=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (203) [system] _769472=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _733962)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _881942)
   Call: (204) [system] atom_chars(_882874, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _733962=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _892166)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _894024)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _910034)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _913824)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _892166=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _697302=[_proof3]
   Exit: (200) [system] [_proof3]=[_proof3]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof3])
   Call: (199) [system] _504310=[_proof2, _proof3]
   Exit: (199) [system] [_proof2, _proof3]=[_proof2, _proof3]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof2, _proof3])
   Call: (198) [system] _311318=[_proof1, _proof2, _proof3]
   Exit: (198) [system] [_proof1, _proof2, _proof3]=[_proof1, _proof2, _proof3]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof1, _proof2, _proof3])
   Call: (197) [system] _109968=[_ructor, _proof1, _proof2, _proof3]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3]=[_ructor, _proof1, _proof2, _proof3]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _930500)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _932358)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _941952)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _944656)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _961590)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _967160)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _969018)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _985028)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _967160)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1002670)
   Call: (199) [system] peek_char((0x560c892e10d0), _1003604)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1008324, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1009256, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1016606)
   Call: (200) [system] peek_char((0x560c892e10d0), _1017540)
   Exit: (200) [system] peek_char((0x560c892e10d0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1022260, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1023192, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x560c892e10d0), o)
   Exit: (200) [system] get_char((0x560c892e10d0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1030542)
   Call: (201) [system] peek_char((0x560c892e10d0), _1031476)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1036196, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1037128, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1044478)
   Call: (202) [system] peek_char((0x560c892e10d0), _1045412)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1050132, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1051064, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1058414)
   Call: (203) [system] peek_char((0x560c892e10d0), _1059348)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1064068, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1065000, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1072350)
   Call: (204) [system] peek_char((0x560c892e10d0), _1073284)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1078004, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1078936, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1086286)
   Call: (205) [system] peek_char((0x560c892e10d0), _1087220)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1091940, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1092872, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1100222)
   Call: (206) [system] peek_char((0x560c892e10d0), _1101156)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1105876, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1106808, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1114158)
   Call: (207) [system] peek_char((0x560c892e10d0), _1115092)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1119812, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1120744, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1128094)
   Call: (208) [system] peek_char((0x560c892e10d0), _1129028)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1133748, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1134680, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1142030)
   Call: (209) [system] peek_char((0x560c892e10d0), _1142964)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1147684, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1142030=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1128094=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _1114158=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _1100222=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _1086286=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (204) [system] _1072350=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (203) [system] _1058414=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (202) [system] _1044478=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1030542=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1016606=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1002670=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _967160)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1182060)
   Call: (200) [system] atom_chars(_1182992, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _967160=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1192284)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1194142)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1210152)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _1213942)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _1192284=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _930500=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (195) [system] _73308=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3], _conclusion]=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (194) [system] _3544=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1227824)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1229682)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1239276)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1241980)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1258914)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1264484)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1266342)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1282352)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1264484)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1299994)
   Call: (196) [system] peek_char((0x560c892e10d0), _1300928)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1305648, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1306580, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1313930)
   Call: (197) [system] peek_char((0x560c892e10d0), _1314864)
   Exit: (197) [system] peek_char((0x560c892e10d0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1319584, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1320516, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x560c892e10d0), u)
   Exit: (197) [system] get_char((0x560c892e10d0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327866)
   Call: (198) [system] peek_char((0x560c892e10d0), _1328800)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1333520, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1334452, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1341802)
   Call: (199) [system] peek_char((0x560c892e10d0), _1342736)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1347456, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1348388, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1355738)
   Call: (200) [system] peek_char((0x560c892e10d0), _1356672)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1361392, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1362324, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1369674)
   Call: (201) [system] peek_char((0x560c892e10d0), _1370608)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1375328, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1369674=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _1355738=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (199) [system] _1341802=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (198) [system] _1327866=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (197) [system] _1313930=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (196) [system] _1299994=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1264484)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1395734)
   Call: (197) [system] atom_chars(_1396666, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1264484=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1405958)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1407816)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1423826)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1427616)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1405958=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1227824=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (192) [system] _3538=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1438704)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1440562)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _1452012)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1454716)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1464310)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1467014)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1476608)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1479312)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1488906)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1491610)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1501204)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1503908)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1513502)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1516206)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1525800)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1528504)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1538098)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1540802)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1550396)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1553100)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1562694)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1565398)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1574992)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1577696)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1603870)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1609440)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1611298)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1627308)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1609440)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1632878)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1648888)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1654458)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1656316)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1672326)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1654458)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1677896)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1693906)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1699476)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1701334)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1717344)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _1699476)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1734986)
   Call: (198) [system] peek_char((0x560c892e10d0), _1735920)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1734986=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1699476)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1745204)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1746156, _1746158), once(user:catch(read_from_chars([:], _1745204), _1746138, fail)), '$restore_trace'(_1746156, _1746158))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1746156, _1746158))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1746138, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1699476=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1758284)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1760142)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1769736)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1772440)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1789374)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1794944)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1796802)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1812812)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1794944)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1830454)
   Call: (199) [system] peek_char((0x560c892e10d0), _1831388)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1836108, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1837040, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1844390)
   Call: (200) [system] peek_char((0x560c892e10d0), _1845324)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1850044, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1850976, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1858326)
   Call: (201) [system] peek_char((0x560c892e10d0), _1859260)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1863980, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1864912, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1872262)
   Call: (202) [system] peek_char((0x560c892e10d0), _1873196)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1877916, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1878848, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1886198)
   Call: (203) [system] peek_char((0x560c892e10d0), _1887132)
   Exit: (203) [system] peek_char((0x560c892e10d0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1891852, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1892784, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x560c892e10d0), f)
   Exit: (203) [system] get_char((0x560c892e10d0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1900134)
   Call: (204) [system] peek_char((0x560c892e10d0), _1901068)
   Exit: (204) [system] peek_char((0x560c892e10d0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1905788, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1906720, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x560c892e10d0), '1')
   Exit: (204) [system] get_char((0x560c892e10d0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1914070)
   Call: (205) [system] peek_char((0x560c892e10d0), _1915004)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1914070=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1900134=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (203) [system] _1886198=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (202) [system] _1872262=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (201) [system] _1858326=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (200) [system] _1844390=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (199) [system] _1830454=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1794944)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1941052)
   Call: (200) [system] atom_chars(_1941984, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1794944=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1951276)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1953134)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1962728)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1965432)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1982366)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1987936)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1989794)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _2005804)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1987936)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _2023446)
   Call: (200) [system] peek_char((0x560c892e10d0), _2024380)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2029100, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_2030032, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2037382)
   Call: (201) [system] peek_char((0x560c892e10d0), _2038316)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_2043036, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_2043968, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2051318)
   Call: (202) [system] peek_char((0x560c892e10d0), _2052252)
   Exit: (202) [system] peek_char((0x560c892e10d0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_2056972, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_2057904, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x560c892e10d0), e)
   Exit: (202) [system] get_char((0x560c892e10d0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2065254)
   Call: (203) [system] peek_char((0x560c892e10d0), _2066188)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_2070908, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_2071840, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2079190)
   Call: (204) [system] peek_char((0x560c892e10d0), _2080124)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_2084844, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_2085776, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2093126)
   Call: (205) [system] peek_char((0x560c892e10d0), _2094060)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_5562, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_6494, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _13844)
   Call: (206) [system] peek_char((0x560c892e10d0), _14778)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_19498, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_20430, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _27780)
   Call: (207) [system] peek_char((0x560c892e10d0), _28714)
   Exit: (207) [system] peek_char((0x560c892e10d0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_33434, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_34366, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x560c892e10d0), '1')
   Exit: (207) [system] get_char((0x560c892e10d0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _41716)
   Call: (208) [system] peek_char((0x560c892e10d0), _42650)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_47370, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _41716=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _27780=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (206) [system] _13844=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (205) [system] _3674=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (204) [system] _3670=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (203) [system] _3666=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (202) [system] _3662=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (201) [system] _3658=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _3654=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _3650)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _76158)
   Call: (201) [system] atom_chars(_77090, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _3650=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _86382)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _88240)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _104250)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _108040)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _86382=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _3646=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (196) [system] _3636=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (195) [system] _3628=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _121922)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _123780)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _133374)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _136078)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _153012)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _158582)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _160440)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _176450)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _158582)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _182020)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _198030)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _203600)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _205458)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _221468)
   Exit: (197) [system] get_char((0x560c892e10d0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), s, _203600)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _239110)
   Call: (199) [system] peek_char((0x560c892e10d0), _240044)
   Exit: (199) [system] peek_char((0x560c892e10d0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_244764, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_245696, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x560c892e10d0), y)
   Exit: (199) [system] get_char((0x560c892e10d0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _253046)
   Call: (200) [system] peek_char((0x560c892e10d0), _253980)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_258700, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_259632, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _266982)
   Call: (201) [system] peek_char((0x560c892e10d0), _267916)
   Exit: (201) [system] peek_char((0x560c892e10d0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_272636, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_273568, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x560c892e10d0), t)
   Exit: (201) [system] get_char((0x560c892e10d0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _280918)
   Call: (202) [system] peek_char((0x560c892e10d0), _281852)
   Exit: (202) [system] peek_char((0x560c892e10d0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_286572, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_287504, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x560c892e10d0), h)
   Exit: (202) [system] get_char((0x560c892e10d0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _294854)
   Call: (203) [system] peek_char((0x560c892e10d0), _295788)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_300508, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_301440, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _308790)
   Call: (204) [system] peek_char((0x560c892e10d0), _309724)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_314444, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_315376, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _322726)
   Call: (205) [system] peek_char((0x560c892e10d0), _323660)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_328380, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_329312, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _336662)
   Call: (206) [system] peek_char((0x560c892e10d0), _337596)
   Exit: (206) [system] peek_char((0x560c892e10d0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_342316, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_343248, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x560c892e10d0), z)
   Exit: (206) [system] get_char((0x560c892e10d0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _350598)
   Call: (207) [system] peek_char((0x560c892e10d0), _351532)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_356252, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_357184, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _364534)
   Call: (208) [system] peek_char((0x560c892e10d0), _365468)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _364534=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _350598=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _336662=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (205) [system] _322726=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (204) [system] _308790=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (203) [system] _294854=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (202) [system] _280918=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (201) [system] _266982=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (200) [system] _253046=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _239110=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _203600)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _399898)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_400850, _400852), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _399898), _400832, fail)), '$restore_trace'(_400850, _400852))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_400850, _400852))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _400832, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _203600=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _412978)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _414836)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _424430)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _427134)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _444068)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _449638)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _451496)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _467506)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _449638)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _473076)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _489086)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _494656)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _496514)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _512524)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _494656)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _530166)
   Call: (202) [system] peek_char((0x560c892e10d0), _531100)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _530166=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _494656)
^  Call: (202) [user] classify_and_convert_charseq_([:], _540384)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_541336, _541338), once(user:catch(read_from_chars([:], _540384), _541318, fail)), '$restore_trace'(_541336, _541338))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_541336, _541338))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _541318, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _494656=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _553464)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _555322)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _564916)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _567620)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _584554)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _590124)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _591982)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _607992)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _590124)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _625634)
   Call: (203) [system] peek_char((0x560c892e10d0), _626568)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_631288, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_632220, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _639570)
   Call: (204) [system] peek_char((0x560c892e10d0), _640504)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_645224, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_646156, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _653506)
   Call: (205) [system] peek_char((0x560c892e10d0), _654440)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_659160, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_660092, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _667442)
   Call: (206) [system] peek_char((0x560c892e10d0), _668376)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_673096, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_674028, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _681378)
   Call: (207) [system] peek_char((0x560c892e10d0), _682312)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_687032, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_687964, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _695314)
   Call: (208) [system] peek_char((0x560c892e10d0), _696248)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_700968, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_701900, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _709250)
   Call: (209) [system] peek_char((0x560c892e10d0), _710184)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _709250=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _695314=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _681378=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (206) [system] _667442=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (205) [system] _653506=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (204) [system] _639570=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (203) [system] _625634=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _590124)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _736232)
   Call: (204) [system] atom_chars(_737164, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _590124=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _746456)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _748314)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _757908)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _760612)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _777546)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _783116)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _784974)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _800984)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _783116)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _818626)
   Call: (204) [system] peek_char((0x560c892e10d0), _819560)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_824280, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_825212, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _832562)
   Call: (205) [system] peek_char((0x560c892e10d0), _833496)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_838216, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_839148, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _846498)
   Call: (206) [system] peek_char((0x560c892e10d0), _847432)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_852152, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_853084, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _860434)
   Call: (207) [system] peek_char((0x560c892e10d0), _861368)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_866088, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_867020, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _874370)
   Call: (208) [system] peek_char((0x560c892e10d0), _875304)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_880024, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_880956, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _888306)
   Call: (209) [system] peek_char((0x560c892e10d0), _889240)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_893960, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_894892, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _902242)
   Call: (210) [system] peek_char((0x560c892e10d0), _903176)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_907896, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_908828, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _916178)
   Call: (211) [system] peek_char((0x560c892e10d0), _917112)
   Exit: (211) [system] peek_char((0x560c892e10d0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_921832, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_922764, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x560c892e10d0), '1')
   Exit: (211) [system] get_char((0x560c892e10d0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _930114)
   Call: (212) [system] peek_char((0x560c892e10d0), _931048)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_935768, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _930114=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _916178=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (210) [system] _902242=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (209) [system] _888306=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (208) [system] _874370=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (207) [system] _860434=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (206) [system] _846498=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (205) [system] _832562=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _818626=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _783116)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _964556)
   Call: (205) [system] atom_chars(_965488, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _783116=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _974780)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _976638)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _992648)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _996438)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _974780=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _746456=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (200) [system] _553464=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (199) [system] _449638=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1010320)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1012178)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1021772)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1024476)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1041410)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1046980)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1048838)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1064848)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1046980)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082490)
   Call: (201) [system] peek_char((0x560c892e10d0), _1083424)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1088144, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1089076, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1096426)
   Call: (202) [system] peek_char((0x560c892e10d0), _1097360)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1102080, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1103012, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1110362)
   Call: (203) [system] peek_char((0x560c892e10d0), _1111296)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1110362=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1096426=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (201) [system] _1082490=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1046980)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1126168)
   Call: (202) [system] atom_chars(_1127100, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1046980=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1136392)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1138250)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1147844)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1150548)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1167482)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1173052)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1174910)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1190920)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _1173052)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1208562)
   Call: (202) [system] peek_char((0x560c892e10d0), _1209496)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1214216, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1215148, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1222498)
   Call: (203) [system] peek_char((0x560c892e10d0), _1223432)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1228152, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1229084, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1236434)
   Call: (204) [system] peek_char((0x560c892e10d0), _1237368)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1236434=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1222498=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _1208562=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1173052)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1252240)
   Call: (203) [system] atom_chars(_1253172, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1173052=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1262464)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1264322)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1273916)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1276620)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1293554)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1299124)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1300982)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1316992)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1299124)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1334634)
   Call: (203) [system] peek_char((0x560c892e10d0), _1335568)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1340288, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1341220, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1348570)
   Call: (204) [system] peek_char((0x560c892e10d0), _1349504)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1354224, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1348570=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1334634=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1299124)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1363454)
   Call: (204) [system] atom_chars(_1364386, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1299124=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1373678)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1375536)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1391546)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1395336)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1373678=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _1262464=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (199) [system] _1136392=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (198) [system] _1010320=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (197) [system] _412978=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _158582=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1414806)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1416664)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1432674)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1436464)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1414806=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _121922=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3622=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1447552)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1449410)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1460860)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1463564)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1473158)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1475862)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1485456)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1488160)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1497754)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1500458)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1510052)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1512756)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1522350)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1525054)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1534648)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1537352)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1546946)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1549650)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1559244)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1561948)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1571542)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1574246)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1583840)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1586544)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1612718)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1618288)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1620146)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1636156)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1618288)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1641726)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1657736)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1663306)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1665164)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1681174)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1663306)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1686744)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1702754)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1708324)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1710182)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1726192)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _1708324)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1743834)
   Call: (199) [system] peek_char((0x560c892e10d0), _1744768)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1743834=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1708324)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1754052)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1755004, _1755006), once(user:catch(read_from_chars([:], _1754052), _1754986, fail)), '$restore_trace'(_1755004, _1755006))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1755004, _1755006))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1754986, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1708324=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1767132)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1768990)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1778584)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1781288)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1798222)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1803792)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1805650)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1821660)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1803792)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1839302)
   Call: (200) [system] peek_char((0x560c892e10d0), _1840236)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1844956, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1845888, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1853238)
   Call: (201) [system] peek_char((0x560c892e10d0), _1854172)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1858892, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1859824, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1867174)
   Call: (202) [system] peek_char((0x560c892e10d0), _1868108)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1872828, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1873760, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1881110)
   Call: (203) [system] peek_char((0x560c892e10d0), _1882044)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1886764, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1887696, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1895046)
   Call: (204) [system] peek_char((0x560c892e10d0), _1895980)
   Exit: (204) [system] peek_char((0x560c892e10d0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1900700, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1901632, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x560c892e10d0), f)
   Exit: (204) [system] get_char((0x560c892e10d0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1908982)
   Call: (205) [system] peek_char((0x560c892e10d0), _1909916)
   Exit: (205) [system] peek_char((0x560c892e10d0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1914636, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1915568, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x560c892e10d0), '2')
   Exit: (205) [system] get_char((0x560c892e10d0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1922918)
   Call: (206) [system] peek_char((0x560c892e10d0), _1923852)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1922918=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1908982=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (204) [system] _1895046=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (203) [system] _1881110=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (202) [system] _1867174=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (201) [system] _1853238=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (200) [system] _1839302=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1803792)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1949900)
   Call: (201) [system] atom_chars(_1950832, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1803792=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1960124)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1961982)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1971576)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1974280)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1991214)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1996784)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1998642)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _2014652)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1996784)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2032294)
   Call: (201) [system] peek_char((0x560c892e10d0), _2033228)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2037948, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2038880, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2046230)
   Call: (202) [system] peek_char((0x560c892e10d0), _2047164)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2051884, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2052816, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2060166)
   Call: (203) [system] peek_char((0x560c892e10d0), _2061100)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_2065820, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_2066752, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2074102)
   Call: (204) [system] peek_char((0x560c892e10d0), _2075036)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_2079756, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_2080688, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088038)
   Call: (205) [system] peek_char((0x560c892e10d0), _2088972)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2093692, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2094624, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _9006)
   Call: (206) [system] peek_char((0x560c892e10d0), _9940)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_14660, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_15592, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _22942)
   Call: (207) [system] peek_char((0x560c892e10d0), _23876)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_28596, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_29528, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _36878)
   Call: (208) [system] peek_char((0x560c892e10d0), _37812)
   Exit: (208) [system] peek_char((0x560c892e10d0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_42532, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_43464, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x560c892e10d0), '2')
   Exit: (208) [system] get_char((0x560c892e10d0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _50814)
   Call: (209) [system] peek_char((0x560c892e10d0), _51748)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_56468, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _50814=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _36878=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (207) [system] _22942=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (206) [system] _9006=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (205) [system] _3782=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (204) [system] _3778=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (203) [system] _3774=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (202) [system] _3770=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _3766=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _3762)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _85256)
   Call: (202) [system] atom_chars(_86188, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _3762=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _95480)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _97338)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _113348)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _117138)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _95480=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _3758=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (197) [system] _3748=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (196) [system] _3740=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _131020)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _132878)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _142472)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _145176)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _162110)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _167680)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _169538)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _185548)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _167680)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _191118)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _207128)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _212698)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _214556)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _230566)
   Exit: (198) [system] get_char((0x560c892e10d0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), s, _212698)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _248208)
   Call: (200) [system] peek_char((0x560c892e10d0), _249142)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_253862, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_254794, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _262144)
   Call: (201) [system] peek_char((0x560c892e10d0), _263078)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_267798, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_268730, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _276080)
   Call: (202) [system] peek_char((0x560c892e10d0), _277014)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_281734, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_282666, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _290016)
   Call: (203) [system] peek_char((0x560c892e10d0), _290950)
   Exit: (203) [system] peek_char((0x560c892e10d0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_295670, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_296602, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x560c892e10d0), h)
   Exit: (203) [system] get_char((0x560c892e10d0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _303952)
   Call: (204) [system] peek_char((0x560c892e10d0), _304886)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_309606, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_310538, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _317888)
   Call: (205) [system] peek_char((0x560c892e10d0), _318822)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_323542, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_324474, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _331824)
   Call: (206) [system] peek_char((0x560c892e10d0), _332758)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_337478, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_338410, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _345760)
   Call: (207) [system] peek_char((0x560c892e10d0), _346694)
   Exit: (207) [system] peek_char((0x560c892e10d0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_351414, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_352346, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x560c892e10d0), z)
   Exit: (207) [system] get_char((0x560c892e10d0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _359696)
   Call: (208) [system] peek_char((0x560c892e10d0), _360630)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_365350, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_366282, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _373632)
   Call: (209) [system] peek_char((0x560c892e10d0), _374566)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _373632=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _359696=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (207) [system] _345760=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (206) [system] _331824=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (205) [system] _317888=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (204) [system] _303952=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (203) [system] _290016=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (202) [system] _276080=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (201) [system] _262144=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _248208=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _212698)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _408996)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_409948, _409950), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _408996), _409930, fail)), '$restore_trace'(_409948, _409950))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_409948, _409950))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _409930, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _212698=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _422076)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _423934)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _433528)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _436232)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _453166)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _458736)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _460594)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _476604)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _458736)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _482174)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _498184)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _503754)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _505612)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _521622)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _503754)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _539264)
   Call: (203) [system] peek_char((0x560c892e10d0), _540198)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _539264=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _503754)
^  Call: (203) [user] classify_and_convert_charseq_([:], _549482)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_550434, _550436), once(user:catch(read_from_chars([:], _549482), _550416, fail)), '$restore_trace'(_550434, _550436))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_550434, _550436))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _550416, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _503754=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _562562)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _564420)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _574014)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _576718)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _593652)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _599222)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _601080)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _617090)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _599222)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _634732)
   Call: (204) [system] peek_char((0x560c892e10d0), _635666)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_640386, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_641318, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _648668)
   Call: (205) [system] peek_char((0x560c892e10d0), _649602)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_654322, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_655254, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _662604)
   Call: (206) [system] peek_char((0x560c892e10d0), _663538)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_668258, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_669190, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _676540)
   Call: (207) [system] peek_char((0x560c892e10d0), _677474)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_682194, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_683126, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _690476)
   Call: (208) [system] peek_char((0x560c892e10d0), _691410)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_696130, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_697062, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _704412)
   Call: (209) [system] peek_char((0x560c892e10d0), _705346)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_710066, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_710998, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _718348)
   Call: (210) [system] peek_char((0x560c892e10d0), _719282)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _718348=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _704412=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _690476=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (207) [system] _676540=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (206) [system] _662604=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (205) [system] _648668=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (204) [system] _634732=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _599222)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _745330)
   Call: (205) [system] atom_chars(_746262, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _599222=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _755554)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _757412)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _767006)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _769710)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _786644)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _792214)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _794072)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _810082)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _792214)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _827724)
   Call: (205) [system] peek_char((0x560c892e10d0), _828658)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_833378, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_834310, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _841660)
   Call: (206) [system] peek_char((0x560c892e10d0), _842594)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_847314, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_848246, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _855596)
   Call: (207) [system] peek_char((0x560c892e10d0), _856530)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_861250, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_862182, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _869532)
   Call: (208) [system] peek_char((0x560c892e10d0), _870466)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_875186, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_876118, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _883468)
   Call: (209) [system] peek_char((0x560c892e10d0), _884402)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_889122, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_890054, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _897404)
   Call: (210) [system] peek_char((0x560c892e10d0), _898338)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_903058, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_903990, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _911340)
   Call: (211) [system] peek_char((0x560c892e10d0), _912274)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_916994, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_917926, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _925276)
   Call: (212) [system] peek_char((0x560c892e10d0), _926210)
   Exit: (212) [system] peek_char((0x560c892e10d0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_930930, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_931862, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x560c892e10d0), '2')
   Exit: (212) [system] get_char((0x560c892e10d0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _939212)
   Call: (213) [system] peek_char((0x560c892e10d0), _940146)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_944866, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _939212=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _925276=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (211) [system] _911340=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (210) [system] _897404=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (209) [system] _883468=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (208) [system] _869532=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (207) [system] _855596=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (206) [system] _841660=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _827724=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _792214)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _973654)
   Call: (206) [system] atom_chars(_974586, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _792214=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _983878)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _985736)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1001746)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1005536)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _983878=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _755554=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (201) [system] _562562=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (200) [system] _458736=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1019418)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1021276)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1030870)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1033574)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1050508)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1056078)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1057936)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1073946)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _1056078)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1091588)
   Call: (202) [system] peek_char((0x560c892e10d0), _1092522)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1097242, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1098174, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1105524)
   Call: (203) [system] peek_char((0x560c892e10d0), _1106458)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1111178, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1112110, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1119460)
   Call: (204) [system] peek_char((0x560c892e10d0), _1120394)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1119460=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1105524=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _1091588=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1056078)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1135266)
   Call: (203) [system] atom_chars(_1136198, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1056078=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1145490)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1147348)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1156942)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1159646)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1176580)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1182150)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1184008)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1200018)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1182150)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1217660)
   Call: (203) [system] peek_char((0x560c892e10d0), _1218594)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1223314, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1224246, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1231596)
   Call: (204) [system] peek_char((0x560c892e10d0), _1232530)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1237250, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1238182, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1245532)
   Call: (205) [system] peek_char((0x560c892e10d0), _1246466)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1245532=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1231596=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _1217660=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1182150)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1261338)
   Call: (204) [system] atom_chars(_1262270, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1182150=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1271562)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1273420)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1283014)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1285718)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1302652)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1308222)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1310080)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1326090)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1308222)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1343732)
   Call: (204) [system] peek_char((0x560c892e10d0), _1344666)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1349386, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1350318, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1357668)
   Call: (205) [system] peek_char((0x560c892e10d0), _1358602)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1363322, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1357668=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1343732=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1308222)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1372552)
   Call: (205) [system] atom_chars(_1373484, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1308222=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1382776)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1384634)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1400644)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1404434)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1382776=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1271562=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (200) [system] _1145490=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (199) [system] _1019418=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (198) [system] _422076=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _167680=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1423904)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1425762)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1441772)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1445562)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1423904=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _131020=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3734=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1456650)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1458508)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x560c892e10d0), _1469958)
   Exit: (194) [system] get_char((0x560c892e10d0), '\n')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1472662)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1482256)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1484960)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1494554)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1497258)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1506852)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1509556)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1519150)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1521854)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1531448)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1534152)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1543746)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1546450)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1556044)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1558748)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1568342)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1571046)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1580640)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1583344)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1592938)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1595642)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1621816)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1627386)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1629244)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1645254)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1627386)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1650824)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1666834)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1672404)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1674262)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1690272)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1672404)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1695842)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1711852)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1717422)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1719280)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1735290)
   Exit: (198) [system] get_char((0x560c892e10d0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), :, _1717422)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752932)
   Call: (200) [system] peek_char((0x560c892e10d0), _1753866)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1752932=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _1717422)
^  Call: (200) [user] classify_and_convert_charseq_([:], _1763150)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1764102, _1764104), once(user:catch(read_from_chars([:], _1763150), _1764084, fail)), '$restore_trace'(_1764102, _1764104))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1764102, _1764104))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1764084, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _1717422=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1776230)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1778088)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1787682)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1790386)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1807320)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1812890)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1814748)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1830758)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1812890)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1848400)
   Call: (201) [system] peek_char((0x560c892e10d0), _1849334)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1854054, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1854986, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1862336)
   Call: (202) [system] peek_char((0x560c892e10d0), _1863270)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1867990, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1868922, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1876272)
   Call: (203) [system] peek_char((0x560c892e10d0), _1877206)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1881926, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1882858, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1890208)
   Call: (204) [system] peek_char((0x560c892e10d0), _1891142)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1895862, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1896794, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904144)
   Call: (205) [system] peek_char((0x560c892e10d0), _1905078)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1909798, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1910730, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1918080)
   Call: (206) [system] peek_char((0x560c892e10d0), _1919014)
   Exit: (206) [system] peek_char((0x560c892e10d0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1923734, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_1924666, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x560c892e10d0), '3')
   Exit: (206) [system] get_char((0x560c892e10d0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1932016)
   Call: (207) [system] peek_char((0x560c892e10d0), _1932950)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1932016=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1918080=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (205) [system] _1904144=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (204) [system] _1890208=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (203) [system] _1876272=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (202) [system] _1862336=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (201) [system] _1848400=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1812890)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1958998)
   Call: (202) [system] atom_chars(_1959930, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _1812890=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1969222)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1971080)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1980674)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1983378)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2000312)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _2005882)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2007740)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _2023750)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _2005882)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2041392)
   Call: (202) [system] peek_char((0x560c892e10d0), _2042326)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_2047046, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_2047978, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2055328)
   Call: (203) [system] peek_char((0x560c892e10d0), _2056262)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2060982, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2061914, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2069264)
   Call: (204) [system] peek_char((0x560c892e10d0), _2070198)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_2074918, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_2075850, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083200)
   Call: (205) [system] peek_char((0x560c892e10d0), _2084134)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_2088854, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_2089786, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _4246)
   Call: (206) [system] peek_char((0x560c892e10d0), _5180)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_9900, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_10832, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _18182)
   Call: (207) [system] peek_char((0x560c892e10d0), _19116)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_23836, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_24768, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _32118)
   Call: (208) [system] peek_char((0x560c892e10d0), _33052)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_37772, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_38704, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _46054)
   Call: (209) [system] peek_char((0x560c892e10d0), _46988)
   Exit: (209) [system] peek_char((0x560c892e10d0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_51708, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_52640, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x560c892e10d0), '3')
   Exit: (209) [system] get_char((0x560c892e10d0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _59990)
   Call: (210) [system] peek_char((0x560c892e10d0), _60924)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_65644, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _59990=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _46054=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (208) [system] _32118=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (207) [system] _18182=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (206) [system] _4246=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (205) [system] _3890=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (204) [system] _3886=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (203) [system] _3882=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _3878=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _3874)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _94432)
   Call: (203) [system] atom_chars(_95364, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _3874=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _104656)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _106514)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _122524)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _126314)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _104656=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _3870=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (198) [system] _3860=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (197) [system] _3852=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _140196)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _142054)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _151648)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _154352)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _171286)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _176856)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _178714)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _194724)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _176856)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _200294)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _216304)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _221874)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _223732)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _239742)
   Exit: (199) [system] get_char((0x560c892e10d0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), s, _221874)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _257384)
   Call: (201) [system] peek_char((0x560c892e10d0), _258318)
   Exit: (201) [system] peek_char((0x560c892e10d0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_263038, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_263970, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x560c892e10d0), y)
   Exit: (201) [system] get_char((0x560c892e10d0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _271320)
   Call: (202) [system] peek_char((0x560c892e10d0), _272254)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_276974, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_277906, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _285256)
   Call: (203) [system] peek_char((0x560c892e10d0), _286190)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_290910, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_291842, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _299192)
   Call: (204) [system] peek_char((0x560c892e10d0), _300126)
   Exit: (204) [system] peek_char((0x560c892e10d0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_304846, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_305778, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x560c892e10d0), h)
   Exit: (204) [system] get_char((0x560c892e10d0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _313128)
   Call: (205) [system] peek_char((0x560c892e10d0), _314062)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_318782, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_319714, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _327064)
   Call: (206) [system] peek_char((0x560c892e10d0), _327998)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_332718, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_333650, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _341000)
   Call: (207) [system] peek_char((0x560c892e10d0), _341934)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_346654, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_347586, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _354936)
   Call: (208) [system] peek_char((0x560c892e10d0), _355870)
   Exit: (208) [system] peek_char((0x560c892e10d0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_360590, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_361522, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x560c892e10d0), z)
   Exit: (208) [system] get_char((0x560c892e10d0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _368872)
   Call: (209) [system] peek_char((0x560c892e10d0), _369806)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_374526, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_375458, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _382808)
   Call: (210) [system] peek_char((0x560c892e10d0), _383742)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _382808=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _368872=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (208) [system] _354936=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (207) [system] _341000=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (206) [system] _327064=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (205) [system] _313128=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (204) [system] _299192=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (203) [system] _285256=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (202) [system] _271320=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _257384=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _221874)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _418172)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_419124, _419126), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _418172), _419106, fail)), '$restore_trace'(_419124, _419126))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_419124, _419126))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _419106, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _221874=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _431252)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _433110)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _442704)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _445408)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _462342)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _467912)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _469770)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _485780)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _467912)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _491350)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _507360)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _512930)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _514788)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _530798)
   Exit: (202) [system] get_char((0x560c892e10d0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), :, _512930)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _548440)
   Call: (204) [system] peek_char((0x560c892e10d0), _549374)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _548440=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _512930)
^  Call: (204) [user] classify_and_convert_charseq_([:], _558658)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_559610, _559612), once(user:catch(read_from_chars([:], _558658), _559592, fail)), '$restore_trace'(_559610, _559612))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_559610, _559612))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _559592, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _512930=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _571738)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _573596)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _583190)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _585894)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _602828)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _608398)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _610256)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _626266)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _608398)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _643908)
   Call: (205) [system] peek_char((0x560c892e10d0), _644842)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_649562, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_650494, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _657844)
   Call: (206) [system] peek_char((0x560c892e10d0), _658778)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_663498, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_664430, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _671780)
   Call: (207) [system] peek_char((0x560c892e10d0), _672714)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_677434, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_678366, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _685716)
   Call: (208) [system] peek_char((0x560c892e10d0), _686650)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_691370, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_692302, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _699652)
   Call: (209) [system] peek_char((0x560c892e10d0), _700586)
   Exit: (209) [system] peek_char((0x560c892e10d0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_705306, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_706238, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x560c892e10d0), f)
   Exit: (209) [system] get_char((0x560c892e10d0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _713588)
   Call: (210) [system] peek_char((0x560c892e10d0), _714522)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_719242, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_720174, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _727524)
   Call: (211) [system] peek_char((0x560c892e10d0), _728458)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _727524=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _713588=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _699652=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (208) [system] _685716=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (207) [system] _671780=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (206) [system] _657844=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (205) [system] _643908=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _608398)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _754506)
   Call: (206) [system] atom_chars(_755438, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _608398=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _764730)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _766588)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _776182)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _778886)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _795820)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _801390)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _803248)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _819258)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _801390)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _836900)
   Call: (206) [system] peek_char((0x560c892e10d0), _837834)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_842554, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_843486, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _850836)
   Call: (207) [system] peek_char((0x560c892e10d0), _851770)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_856490, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_857422, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _864772)
   Call: (208) [system] peek_char((0x560c892e10d0), _865706)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_870426, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_871358, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _878708)
   Call: (209) [system] peek_char((0x560c892e10d0), _879642)
   Exit: (209) [system] peek_char((0x560c892e10d0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_884362, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_885294, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x560c892e10d0), m)
   Exit: (209) [system] get_char((0x560c892e10d0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _892644)
   Call: (210) [system] peek_char((0x560c892e10d0), _893578)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_898298, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_899230, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _906580)
   Call: (211) [system] peek_char((0x560c892e10d0), _907514)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_912234, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_913166, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _920516)
   Call: (212) [system] peek_char((0x560c892e10d0), _921450)
   Exit: (212) [system] peek_char((0x560c892e10d0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_926170, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_927102, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x560c892e10d0), e)
   Exit: (212) [system] get_char((0x560c892e10d0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _934452)
   Call: (213) [system] peek_char((0x560c892e10d0), _935386)
   Exit: (213) [system] peek_char((0x560c892e10d0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_940106, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_941038, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x560c892e10d0), '3')
   Exit: (213) [system] get_char((0x560c892e10d0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _948388)
   Call: (214) [system] peek_char((0x560c892e10d0), _949322)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_954042, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _948388=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _934452=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (212) [system] _920516=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (211) [system] _906580=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (210) [system] _892644=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (209) [system] _878708=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (208) [system] _864772=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (207) [system] _850836=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _836900=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _801390)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _982830)
   Call: (207) [system] atom_chars(_983762, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _801390=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _993054)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _994912)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1010922)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1014712)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _993054=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _764730=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (202) [system] _571738=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (201) [system] _467912=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1028594)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1030452)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1040046)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1042750)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1059684)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1065254)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1067112)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1083122)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1065254)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1100764)
   Call: (203) [system] peek_char((0x560c892e10d0), _1101698)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1106418, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1107350, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1114700)
   Call: (204) [system] peek_char((0x560c892e10d0), _1115634)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1120354, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1121286, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1128636)
   Call: (205) [system] peek_char((0x560c892e10d0), _1129570)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1128636=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1114700=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _1100764=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1065254)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1144442)
   Call: (204) [system] atom_chars(_1145374, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1065254=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1154666)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1156524)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1166118)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1168822)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1185756)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1191326)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1193184)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1209194)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1191326)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1226836)
   Call: (204) [system] peek_char((0x560c892e10d0), _1227770)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1232490, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1233422, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1240772)
   Call: (205) [system] peek_char((0x560c892e10d0), _1241706)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1246426, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1247358, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1254708)
   Call: (206) [system] peek_char((0x560c892e10d0), _1255642)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1254708=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1240772=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (204) [system] _1226836=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1191326)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1270514)
   Call: (205) [system] atom_chars(_1271446, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1191326=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1280738)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1282596)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1292190)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1294894)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1311828)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1317398)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1319256)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1335266)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1317398)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1352908)
   Call: (205) [system] peek_char((0x560c892e10d0), _1353842)
   Exit: (205) [system] peek_char((0x560c892e10d0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1358562, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1359494, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x560c892e10d0), k)
   Exit: (205) [system] get_char((0x560c892e10d0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366844)
   Call: (206) [system] peek_char((0x560c892e10d0), _1367778)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1372498, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1366844=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1352908=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1317398)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1381728)
   Call: (206) [system] atom_chars(_1382660, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1317398=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1391952)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1393810)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1409820)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1413610)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1391952=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1280738=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (201) [system] _1154666=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (200) [system] _1028594=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (199) [system] _431252=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _176856=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1433080)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1434938)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1450948)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _1454738)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _1433080=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _140196=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3846=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1465826)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1467684)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1483694)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1487484)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1465826=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _3842=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (192) [system] _3730=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (191) [system] _3618=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (190) [system] _3534=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1506954)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1508812)
   Exit: (189) [system] peek_char((0x560c892e10d0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x560c892e10d0), _1520262)
   Exit: (189) [system] get_char((0x560c892e10d0), '\n')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1522966)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1532560)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1535264)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1544858)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1547562)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1557156)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1559860)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1569454)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1572158)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1581752)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1584456)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1606010)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1611580)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1613438)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1629448)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _1611580)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1647090)
   Call: (191) [system] peek_char((0x560c892e10d0), _1648024)
   Exit: (191) [system] peek_char((0x560c892e10d0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1652744, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1653676, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x560c892e10d0), q)
   Exit: (191) [system] get_char((0x560c892e10d0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1661026)
   Call: (192) [system] peek_char((0x560c892e10d0), _1661960)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1666680, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1667612, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1674962)
   Call: (193) [system] peek_char((0x560c892e10d0), _1675896)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1680616, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1681548, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1688898)
   Call: (194) [system] peek_char((0x560c892e10d0), _1689832)
   Exit: (194) [system] peek_char((0x560c892e10d0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1694552, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1695484, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x560c892e10d0), r)
   Exit: (194) [system] get_char((0x560c892e10d0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1702834)
   Call: (195) [system] peek_char((0x560c892e10d0), _1703768)
   Exit: (195) [system] peek_char((0x560c892e10d0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1708488, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1709420, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x560c892e10d0), y)
   Exit: (195) [system] get_char((0x560c892e10d0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1716770)
   Call: (196) [system] peek_char((0x560c892e10d0), _1717704)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1722424, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1716770=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1702834=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (194) [system] _1688898=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (193) [system] _1674962=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (192) [system] _1661026=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (191) [system] _1647090=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1611580)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1742830)
   Call: (192) [system] atom_chars(_1743762, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1611580=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1753054)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1754912)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1770922)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1774712)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1753054=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1506954=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1788594)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1790452)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1806462)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1810252)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1788594=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1828770, _1828772, _1828774, _1828776, _1828778))
^  Exit: (177) [user] retract(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1837218))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1837218)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), _1837218)
   Call: (187) [system] var('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==[_1843738, _1843744]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), _1848372, _1848374)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t", 41, 0], _1852114)
   Call: (188) [apply] apply:maplist_([";;\t\t", 41, 0], _1852114, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t", _1853994)
   Call: (190) [system] var(";;\t\t")
   Call: (190) [system] atom(";;\t\t")
   Call: (190) [system] ";;\t\t"==true
   Call: (190) [system] ";;\t\t"==false
   Call: (190) [system] ";;\t\t"==[_1858636, _1858642]
   Call: (190) [system] is_list(";;\t\t")
   Call: (190) [system] string(";;\t\t")
   Exit: (190) [system] string(";;\t\t")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t")
^  Call: (190) [user] symbol(";;\t\t")
   Call: (191) [system] atom(";;\t\t")
   Fail: (191) [system] atom(";;\t\t")
^  Fail: (190) [user] symbol(";;\t\t")
   Call: (190) [system] ";;\t\t"=_1853994
   Exit: (190) [system] ";;\t\t"=";;\t\t"
^  Exit: (189) [user] mfix_vars1(";;\t\t", ";;\t\t")
   Call: (189) [apply] apply:maplist_([41, 0], _1853996, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(41, _1872516)
   Call: (191) [system] var(41)
   Call: (191) [system] atom(41)
   Call: (191) [system] 41==true
   Call: (191) [system] 41==false
   Call: (191) [system] 41==[_1877158, _1877164]
   Call: (191) [system] is_list(41)
   Call: (191) [system] string(41)
   Call: (191) [system] compound(41)
^  Call: (191) [user] symbol(41)
   Call: (192) [system] atom(41)
   Fail: (192) [system] atom(41)
^  Fail: (191) [user] symbol(41)
   Call: (191) [system] 41=_1872516
   Exit: (191) [system] 41=41
^  Exit: (190) [user] mfix_vars1(41, 41)
   Call: (190) [apply] apply:maplist_([0], _1872518, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1888282)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1892924, _1892930]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1888282
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1888284, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([41, 0], [41, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t", 41, 0], [";;\t\t", 41, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t", 41, 0], [";;\t\t", 41, 0])
   Call: (187) [system] compound_name_arguments(_1837218, '$COMMENT', [";;\t\t", 41, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1919900))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1919900)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), _1919900)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1933858))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1933858)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), _1933858)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1729639320_140374, 65)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639323.9467554)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639323.9467554-1729639320.1364253
   Exit: (173) [system] 3.8103301525115967 is 1729639323.9467554-1729639320.1364253
   Call: (173) [system] 3.8103301525115967>4
   Fail: (173) [system] 3.8103301525115967>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 7)
   Call: (175) [system] atom(7+1)
   Call: (175) [system] set_flag(translated_forms, 8)
   Exit: (175) [system] set_flag(translated_forms, 8)
   Exit: (174) [$syspreds] update_flag(translated_forms, 7, 7+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 7, 7+1))
   Exit: (171) [$syspreds] flag(translated_forms, 7, 7+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1729639320_140374, 65)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;\t\t"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1729639320_140374, 65)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 7, 7+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1729639320_140374, 65)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 73)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 73))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 73))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _2008642)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _2016064)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _2024402)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _2027188=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _2029056, _2029058, _2029060, _2029062), read_sexpr((0x560c892e10d0), _2029074), assertz(metta_file_comment(_2029056, _2029058, _2029060, _2029074, _2029062))))
^  Call: (179) [user] read_position((0x560c892e10d0), _2029056, _2029058, _2029060, _2029062)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_2029062))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_2029062))
   Exit: (181) [system] nonvar(position(_2029062))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _2029056)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _2039314)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _2029056)
   Exit: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _2029058)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _2046748)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _2029058)
   Exit: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _2029060)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _2054182)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _2029060)
   Exit: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (179) [user] read_position((0x560c892e10d0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _2029074)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _2029074)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _2064408)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _2069046, _2069048, _2069050, _2069052)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_2069052))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_2069052))
   Exit: (185) [system] nonvar(position(_2069052))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _2069046)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _2078340)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _2069046)
   Exit: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _2069048)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _2085774)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _2069048)
   Exit: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _2069050)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _2093208)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _2069050)
   Exit: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (183) [user] read_position((0x560c892e10d0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _5200)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _6130, _6132)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Quaternary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _5200=";; Quaternary rule"
   Exit: (184) [system] ";; Quaternary rule"=";; Quaternary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Quaternary rule")
^  Call: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _16392)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _33326)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _3316)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _38896)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _54906)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _60476)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _62334)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _78344)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _60476)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _95986)
   Call: (185) [system] peek_char((0x560c892e10d0), _96920)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _95986=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _60476)
^  Call: (185) [user] classify_and_convert_charseq_([=], _106204)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_107156, _107158), once(user:catch(read_from_chars([=], _106204), _107138, fail)), '$restore_trace'(_107156, _107158))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_107156, _107158))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _107138, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _60476=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _119284)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _121142)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _130736)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _133440)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _150374)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _155944)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _157802)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _173812)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _155944)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _179382)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _195392)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _200962)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _202820)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _218830)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _200962)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _236472)
   Call: (188) [system] peek_char((0x560c892e10d0), _237406)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_242126, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_243058, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _250408)
   Call: (189) [system] peek_char((0x560c892e10d0), _251342)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_256062, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_256994, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _264344)
   Call: (190) [system] peek_char((0x560c892e10d0), _265278)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_269998, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_270930, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _278280)
   Call: (191) [system] peek_char((0x560c892e10d0), _279214)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_283934, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_284866, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _292216)
   Call: (192) [system] peek_char((0x560c892e10d0), _293150)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_297870, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_298802, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _306152)
   Call: (193) [system] peek_char((0x560c892e10d0), _307086)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_311806, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_312738, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _320088)
   Call: (194) [system] peek_char((0x560c892e10d0), _321022)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_325742, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_326674, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _334024)
   Call: (195) [system] peek_char((0x560c892e10d0), _334958)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_339678, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_340610, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _347960)
   Call: (196) [system] peek_char((0x560c892e10d0), _348894)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_353614, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_354546, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _361896)
   Call: (197) [system] peek_char((0x560c892e10d0), _362830)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _361896=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _347960=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _334024=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _320088=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _306152=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _292216=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _278280=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _264344=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _250408=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _236472=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _200962)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _397260)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_398212, _398214), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _397260), _398194, fail)), '$restore_trace'(_398212, _398214))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_398212, _398214))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _398194, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _200962=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _410340)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _412198)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _421792)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _424496)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _441430)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _447000)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _448858)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _464868)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _447000)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _482510)
   Call: (189) [system] peek_char((0x560c892e10d0), _483444)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_488164, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_489096, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _496446)
   Call: (190) [system] peek_char((0x560c892e10d0), _497380)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_502100, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_503032, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _510382)
   Call: (191) [system] peek_char((0x560c892e10d0), _511316)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_516036, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_516968, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _524318)
   Call: (192) [system] peek_char((0x560c892e10d0), _525252)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_529972, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_530904, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _538254)
   Call: (193) [system] peek_char((0x560c892e10d0), _539188)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_543908, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_544840, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _552190)
   Call: (194) [system] peek_char((0x560c892e10d0), _553124)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _552190=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _538254=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _524318=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _510382=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _496446=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _482510=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _447000)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _576378)
   Call: (190) [system] atom_chars(_577310, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _447000=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _586602)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _588460)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _598054)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _600758)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _617692)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _623262)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _625120)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _641130)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _623262)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _658772)
   Call: (190) [system] peek_char((0x560c892e10d0), _659706)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_664426, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_665358, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _672708)
   Call: (191) [system] peek_char((0x560c892e10d0), _673642)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_678362, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_679294, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _686644)
   Call: (192) [system] peek_char((0x560c892e10d0), _687578)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _686644=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _672708=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _658772=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _623262)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _702450)
   Call: (191) [system] atom_chars(_703382, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _623262=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _712674)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _714532)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _724126)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _726830)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _743764)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _749334)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _751192)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _767202)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _749334)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _784844)
   Call: (191) [system] peek_char((0x560c892e10d0), _785778)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_790498, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_791430, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _798780)
   Call: (192) [system] peek_char((0x560c892e10d0), _799714)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_804434, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_805366, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _812716)
   Call: (193) [system] peek_char((0x560c892e10d0), _813650)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _812716=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _798780=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _784844=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _749334)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _828522)
   Call: (192) [system] atom_chars(_829454, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _749334=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _838746)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _840604)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _850198)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _852902)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _869836)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _875406)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _877264)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _893274)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _875406)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _898844)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _914854)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _920424)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _922282)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _938292)
   Exit: (192) [system] get_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', _920424)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _955934)
   Call: (194) [system] peek_char((0x560c892e10d0), _956868)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _955934=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _920424)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _966152)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_967104, _967106), once(user:catch(read_from_chars(['S'], _966152), _967086, fail)), '$restore_trace'(_967104, _967106))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_967104, _967106))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _966152), _967086, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_966152)
   Fail: (195) [system] atomic(_966152)
   Call: (195) [system] atom_chars(_966152, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _920424='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _981102)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _982960)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _992554)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _995258)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1012192)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1017762)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1019620)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1035630)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1017762)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1053272)
   Call: (195) [system] peek_char((0x560c892e10d0), _1054206)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1058926, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1059858, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1067208)
   Call: (196) [system] peek_char((0x560c892e10d0), _1068142)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1072862, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1067208=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1053272=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1017762)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1082092)
   Call: (196) [system] atom_chars(_1083024, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1017762=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1092316)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1094174)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1110184)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1113974)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1092316=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _981102=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (191) [system] _875406=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1125062)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1126920)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1142930)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _1146720)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1125062=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _838746=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [['S', _k]])
   Call: (188) [system] _712674=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, ['S', _k]])
   Call: (187) [system] _586602=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _410340=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _155944=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1166190)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1168048)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _1179498)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1182202)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1191796)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1194500)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1204094)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1206798)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1216392)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1219096)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1238802)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1244372)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1246230)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1262240)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1244372)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1267810)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1283820)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1289390)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1291248)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1307258)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _1289390)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1324900)
   Call: (189) [system] peek_char((0x560c892e10d0), _1325834)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1330554, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1331486, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338836)
   Call: (190) [system] peek_char((0x560c892e10d0), _1339770)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1344490, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1345422, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1352772)
   Call: (191) [system] peek_char((0x560c892e10d0), _1353706)
   Exit: (191) [system] peek_char((0x560c892e10d0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1358426, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1359358, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x560c892e10d0), *)
   Exit: (191) [system] get_char((0x560c892e10d0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366708)
   Call: (192) [system] peek_char((0x560c892e10d0), _1367642)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1366708=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1352772=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [*])
   Call: (190) [system] _1338836=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, *])
   Call: (189) [system] _1324900=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1289390)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1385308)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1386260, _1386262), once(user:catch(read_from_chars([l, e, t, *], _1385308), _1386242, fail)), '$restore_trace'(_1386260, _1386262))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1386260, _1386262))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), 'let*')
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _12826)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _14684)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _24278)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _26982)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _43916)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _49486)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _51344)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _67354)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _49486)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _72924)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _88934)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _94504)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _96362)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _112372)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _94504)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _117942)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _133952)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _139522)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _141380)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _157390)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _139522)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _162960)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _178970)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _184540)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _186398)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _202408)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _220050)
   Call: (196) [system] peek_char((0x560c892e10d0), _220984)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _243348)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _245206)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _254800)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _257504)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _274438)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _280008)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _281866)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _297876)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _315518)
   Call: (197) [system] peek_char((0x560c892e10d0), _316452)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _329454)
   Call: (198) [system] peek_char((0x560c892e10d0), _330388)
   Exit: (198) [system] peek_char((0x560c892e10d0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x560c892e10d0), u)
   Exit: (198) [system] get_char((0x560c892e10d0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _343390)
   Call: (199) [system] peek_char((0x560c892e10d0), _344324)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _357326)
   Call: (200) [system] peek_char((0x560c892e10d0), _358260)
   Exit: (200) [system] peek_char((0x560c892e10d0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x560c892e10d0), t)
   Exit: (200) [system] get_char((0x560c892e10d0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _371262)
   Call: (201) [system] peek_char((0x560c892e10d0), _372196)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _385198)
   Call: (202) [system] peek_char((0x560c892e10d0), _386132)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _399134)
   Call: (203) [system] peek_char((0x560c892e10d0), _400068)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _436340)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _438198)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _447792)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _450496)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _467430)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _473000)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _474858)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _490868)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _473000)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _496438)
   Exit: (198) [system] peek_char((0x560c892e10d0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _512448)
   Exit: (197) [system] peek_char((0x560c892e10d0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _518018)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _519876)
   Exit: (199) [system] peek_char((0x560c892e10d0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _535886)
   Exit: (198) [system] get_char((0x560c892e10d0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _553528)
   Call: (200) [system] peek_char((0x560c892e10d0), _554462)
   Exit: (200) [system] peek_char((0x560c892e10d0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x560c892e10d0), >)
   Exit: (200) [system] get_char((0x560c892e10d0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _567464)
   Call: (201) [system] peek_char((0x560c892e10d0), _568398)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _593556)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _595414)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _605008)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607712)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _624646)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _630216)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _632074)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _648084)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _665726)
   Call: (201) [system] peek_char((0x560c892e10d0), _666660)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _679662)
   Call: (202) [system] peek_char((0x560c892e10d0), _680596)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _693598)
   Call: (203) [system] peek_char((0x560c892e10d0), _694532)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _707534)
   Call: (204) [system] peek_char((0x560c892e10d0), _708468)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _721470)
   Call: (205) [system] peek_char((0x560c892e10d0), _722404)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _735406)
   Call: (206) [system] peek_char((0x560c892e10d0), _736340)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _749342)
   Call: (207) [system] peek_char((0x560c892e10d0), _750276)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _763278)
   Call: (208) [system] peek_char((0x560c892e10d0), _764212)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _777214)
   Call: (209) [system] peek_char((0x560c892e10d0), _778148)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _820008)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _821866)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _831460)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _834164)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _851098)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _856668)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _858526)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _874536)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _892178)
   Call: (202) [system] peek_char((0x560c892e10d0), _893112)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _906114)
   Call: (203) [system] peek_char((0x560c892e10d0), _907048)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _920050)
   Call: (204) [system] peek_char((0x560c892e10d0), _920984)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _933986)
   Call: (205) [system] peek_char((0x560c892e10d0), _934920)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _947922)
   Call: (206) [system] peek_char((0x560c892e10d0), _948856)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _961858)
   Call: (207) [system] peek_char((0x560c892e10d0), _962792)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _975794)
   Call: (208) [system] peek_char((0x560c892e10d0), _976728)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _989730)
   Call: (209) [system] peek_char((0x560c892e10d0), _990664)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003666)
   Call: (210) [system] peek_char((0x560c892e10d0), _1004600)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1046460)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1048318)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1057912)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1060616)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1077550)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1083120)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1084978)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1100988)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118630)
   Call: (203) [system] peek_char((0x560c892e10d0), _1119564)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132566)
   Call: (204) [system] peek_char((0x560c892e10d0), _1133500)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146502)
   Call: (205) [system] peek_char((0x560c892e10d0), _1147436)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160438)
   Call: (206) [system] peek_char((0x560c892e10d0), _1161372)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174374)
   Call: (207) [system] peek_char((0x560c892e10d0), _1175308)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188310)
   Call: (208) [system] peek_char((0x560c892e10d0), _1189244)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202246)
   Call: (209) [system] peek_char((0x560c892e10d0), _1203180)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216182)
   Call: (210) [system] peek_char((0x560c892e10d0), _1217116)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230118)
   Call: (211) [system] peek_char((0x560c892e10d0), _1231052)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1216182=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _1202246=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (208) [system] _1188310=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (207) [system] _1174374=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (206) [system] _1160438=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (205) [system] _1146502=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132566=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118630=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262688)
   Call: (204) [system] atom_chars(_1263620, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083120=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1272912)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1274770)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1284364)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1287068)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1304002)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1309572)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1311430)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1327440)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1309572)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1345082)
   Call: (204) [system] peek_char((0x560c892e10d0), _1346016)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350736, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351668, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1359018)
   Call: (205) [system] peek_char((0x560c892e10d0), _1359952)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364672, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365604, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372954)
   Call: (206) [system] peek_char((0x560c892e10d0), _1373888)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378608, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379540, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386890)
   Call: (207) [system] peek_char((0x560c892e10d0), _1387824)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392544, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393476, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1400826)
   Call: (208) [system] peek_char((0x560c892e10d0), _1401760)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406480, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407412, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414762)
   Call: (209) [system] peek_char((0x560c892e10d0), _1415696)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420416, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421348, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1428698)
   Call: (210) [system] peek_char((0x560c892e10d0), _1429632)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434352, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435284, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442634)
   Call: (211) [system] peek_char((0x560c892e10d0), _1443568)
   Exit: (211) [system] peek_char((0x560c892e10d0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448288, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449220, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x560c892e10d0), '4')
   Exit: (211) [system] get_char((0x560c892e10d0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1456570)
   Call: (212) [system] peek_char((0x560c892e10d0), _1457504)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456570=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1442634=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (210) [system] _1428698=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (209) [system] _1414762=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (208) [system] _1400826=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (207) [system] _1386890=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (206) [system] _1372954=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359018=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345082=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309572)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489140)
   Call: (205) [system] atom_chars(_1490072, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309572=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1499364)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1501222)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1510816)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1513520)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1530454)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1536024)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1537882)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1553892)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1536024)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1571534)
   Call: (205) [system] peek_char((0x560c892e10d0), _1572468)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1577188, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1578120, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1585470)
   Call: (206) [system] peek_char((0x560c892e10d0), _1586404)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1591124, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1592056, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599406)
   Call: (207) [system] peek_char((0x560c892e10d0), _1600340)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1605060, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1605992, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1613342)
   Call: (208) [system] peek_char((0x560c892e10d0), _1614276)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1618996, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1619928, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x560c892e10d0), c)
   Exit: (208) [system] get_char((0x560c892e10d0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1627278)
   Call: (209) [system] peek_char((0x560c892e10d0), _1628212)
   Exit: (209) [system] peek_char((0x560c892e10d0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1632932, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1633864, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x560c892e10d0), l)
   Exit: (209) [system] get_char((0x560c892e10d0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641214)
   Call: (210) [system] peek_char((0x560c892e10d0), _1642148)
   Exit: (210) [system] peek_char((0x560c892e10d0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1646868, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1647800, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x560c892e10d0), u)
   Exit: (210) [system] get_char((0x560c892e10d0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655150)
   Call: (211) [system] peek_char((0x560c892e10d0), _1656084)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1660804, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1661736, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669086)
   Call: (212) [system] peek_char((0x560c892e10d0), _1670020)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1674740, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1675672, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683022)
   Call: (213) [system] peek_char((0x560c892e10d0), _1683956)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1688676, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1689608, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696958)
   Call: (214) [system] peek_char((0x560c892e10d0), _1697892)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1702612, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1703544, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710894)
   Call: (215) [system] peek_char((0x560c892e10d0), _1711828)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1716548, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1710894=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1696958=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (213) [system] _1683022=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (212) [system] _1669086=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (211) [system] _1655150=[s, i, o, n]
   Exit: (211) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (210) [system] _1641214=[u, s, i, o, n]
   Exit: (210) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (209) [system] _1627278=[l, u, s, i, o, n]
   Exit: (209) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (208) [system] _1613342=[c, l, u, s, i, o, n]
   Exit: (208) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (207) [system] _1599406=[n, c, l, u, s, i, o, n]
   Exit: (207) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (206) [system] _1585470=[o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (205) [system] _1571534=[c, o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1536024)
^  Call: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1750924)
   Call: (206) [system] atom_chars(_1751856, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (206) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (205) [system] integer(_conclusion)
   Fail: (205) [system] integer(_conclusion)
   Call: (205) [system] _1536024=_conclusion
   Exit: (205) [system] _conclusion=_conclusion
^  Exit: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1761148)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1763006)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1779016)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1782806)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1761148=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1499364=[_conclusion]
   Exit: (202) [system] [_conclusion]=[_conclusion]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (201) [system] _1272912=[_premise4, _conclusion]
   Exit: (201) [system] [_premise4, _conclusion]=[_premise4, _conclusion]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise4, _conclusion])
   Call: (200) [system] _1046460=[_premise3, _premise4, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _conclusion]=[_premise3, _premise4, _conclusion]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_premise3, _premise4, _conclusion])
   Call: (199) [system] _820008=[_premise2, _premise3, _premise4, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _conclusion]=[_premise2, _premise3, _premise4, _conclusion]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise2, _premise3, _premise4, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1805070)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1806928)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1822938)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1826728)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1805070=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1840610)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1842468)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1852062)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1854766)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1871700)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1877270)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1879128)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1895138)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1877270)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1900708)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1916718)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1922288)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1924146)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1940156)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1922288)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1957798)
   Call: (197) [system] peek_char((0x560c892e10d0), _1958732)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1963452, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1964384, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1971734)
   Call: (198) [system] peek_char((0x560c892e10d0), _1972668)
   Exit: (198) [system] peek_char((0x560c892e10d0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1977388, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1978320, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x560c892e10d0), b)
   Exit: (198) [system] get_char((0x560c892e10d0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1985670)
   Call: (199) [system] peek_char((0x560c892e10d0), _1986604)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1991324, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1985670=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1971734=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (197) [system] _1957798=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1922288)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _2003348)
   Call: (198) [system] atom_chars(_2004280, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1922288=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _2013572)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2015430)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2031440)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _2035230)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _2013572=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1877270=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [_rb])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2043524)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2045382)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2061392)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _2065182)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _2043524=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1840610=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _2076270)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2078128)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _2089578)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2092282)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _8460)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _11164)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _20758)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _23462)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _33056)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _35760)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _45354)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _48058)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _57652)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _60356)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _69950)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _72654)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _82248)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _84952)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _94546)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _97250)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _106844)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _109548)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _119142)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _121846)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _148020)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _153590)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _155448)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _171458)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _153590)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _177028)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _193038)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _198608)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _200466)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _216476)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _198608)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _222046)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _238056)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _243626)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _245484)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _261494)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _243626)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _279136)
   Call: (197) [system] peek_char((0x560c892e10d0), _280070)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _279136=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _243626)
^  Call: (197) [user] classify_and_convert_charseq_([:], _289354)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_290306, _290308), once(user:catch(read_from_chars([:], _289354), _290288, fail)), '$restore_trace'(_290306, _290308))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_290306, _290308))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _290288, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _243626=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _302434)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _304292)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _313886)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _316590)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _333524)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _339094)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _340952)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _356962)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _339094)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _362532)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _378542)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _384112)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _385970)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _401980)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _384112)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _419622)
   Call: (200) [system] peek_char((0x560c892e10d0), _420556)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_425276, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_426208, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _433558)
   Call: (201) [system] peek_char((0x560c892e10d0), _434492)
   Exit: (201) [system] peek_char((0x560c892e10d0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_439212, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_440144, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x560c892e10d0), u)
   Exit: (201) [system] get_char((0x560c892e10d0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _447494)
   Call: (202) [system] peek_char((0x560c892e10d0), _448428)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_453148, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_454080, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _461430)
   Call: (203) [system] peek_char((0x560c892e10d0), _462364)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_467084, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_468016, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _475366)
   Call: (204) [system] peek_char((0x560c892e10d0), _476300)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_481020, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_481952, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _489302)
   Call: (205) [system] peek_char((0x560c892e10d0), _490236)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_494956, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_495888, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _503238)
   Call: (206) [system] peek_char((0x560c892e10d0), _504172)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _503238=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _489302=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (204) [system] _475366=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (203) [system] _461430=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (202) [system] _447494=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (201) [system] _433558=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (200) [system] _419622=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _384112)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _530220)
   Call: (201) [system] atom_chars(_531152, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _384112=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _540444)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _542302)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _551896)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _554600)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _571534)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _577104)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _578962)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _594972)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _577104)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _612614)
   Call: (201) [system] peek_char((0x560c892e10d0), _613548)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_618268, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_619200, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _626550)
   Call: (202) [system] peek_char((0x560c892e10d0), _627484)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_632204, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_633136, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _640486)
   Call: (203) [system] peek_char((0x560c892e10d0), _641420)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_646140, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_647072, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _654422)
   Call: (204) [system] peek_char((0x560c892e10d0), _655356)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_660076, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_661008, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _668358)
   Call: (205) [system] peek_char((0x560c892e10d0), _669292)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_674012, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_674944, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _682294)
   Call: (206) [system] peek_char((0x560c892e10d0), _683228)
   Exit: (206) [system] peek_char((0x560c892e10d0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_687948, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_688880, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x560c892e10d0), '1')
   Exit: (206) [system] get_char((0x560c892e10d0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _696230)
   Call: (207) [system] peek_char((0x560c892e10d0), _697164)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _696230=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _682294=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (205) [system] _668358=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (204) [system] _654422=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (203) [system] _640486=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (202) [system] _626550=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (201) [system] _612614=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _577104)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _723212)
   Call: (202) [system] atom_chars(_724144, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _577104=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _733436)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _735294)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _744888)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _747592)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _764526)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _770096)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _771954)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _787964)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _770096)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _805606)
   Call: (202) [system] peek_char((0x560c892e10d0), _806540)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_811260, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_812192, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _819542)
   Call: (203) [system] peek_char((0x560c892e10d0), _820476)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_825196, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_826128, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _833478)
   Call: (204) [system] peek_char((0x560c892e10d0), _834412)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_839132, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_840064, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _847414)
   Call: (205) [system] peek_char((0x560c892e10d0), _848348)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_853068, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_854000, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _861350)
   Call: (206) [system] peek_char((0x560c892e10d0), _862284)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_867004, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_867936, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _875286)
   Call: (207) [system] peek_char((0x560c892e10d0), _876220)
   Exit: (207) [system] peek_char((0x560c892e10d0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_880940, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_881872, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x560c892e10d0), '2')
   Exit: (207) [system] get_char((0x560c892e10d0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _889222)
   Call: (208) [system] peek_char((0x560c892e10d0), _890156)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _889222=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _875286=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (206) [system] _861350=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (205) [system] _847414=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (204) [system] _833478=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (203) [system] _819542=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (202) [system] _805606=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _770096)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _916204)
   Call: (203) [system] atom_chars(_917136, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _770096=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _926428)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _928286)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _937880)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _940584)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _957518)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _963088)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _964946)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _980956)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _963088)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _998598)
   Call: (203) [system] peek_char((0x560c892e10d0), _999532)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1004252, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1005184, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1012534)
   Call: (204) [system] peek_char((0x560c892e10d0), _1013468)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1018188, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1019120, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1026470)
   Call: (205) [system] peek_char((0x560c892e10d0), _1027404)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1032124, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1033056, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1040406)
   Call: (206) [system] peek_char((0x560c892e10d0), _1041340)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1046060, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1046992, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1054342)
   Call: (207) [system] peek_char((0x560c892e10d0), _1055276)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1059996, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1060928, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1068278)
   Call: (208) [system] peek_char((0x560c892e10d0), _1069212)
   Exit: (208) [system] peek_char((0x560c892e10d0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1073932, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1074864, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x560c892e10d0), '3')
   Exit: (208) [system] get_char((0x560c892e10d0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082214)
   Call: (209) [system] peek_char((0x560c892e10d0), _1083148)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1082214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1068278=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (207) [system] _1054342=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (206) [system] _1040406=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (205) [system] _1026470=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (204) [system] _1012534=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (203) [system] _998598=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _963088)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1109196)
   Call: (204) [system] atom_chars(_1110128, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _963088=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1119420)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1121278)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1130872)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1133576)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1150510)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1156080)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1157938)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1173948)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1156080)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1191590)
   Call: (204) [system] peek_char((0x560c892e10d0), _1192524)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1197244, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1198176, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1205526)
   Call: (205) [system] peek_char((0x560c892e10d0), _1206460)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1211180, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1212112, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1219462)
   Call: (206) [system] peek_char((0x560c892e10d0), _1220396)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1225116, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1226048, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1233398)
   Call: (207) [system] peek_char((0x560c892e10d0), _1234332)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1239052, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1239984, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1247334)
   Call: (208) [system] peek_char((0x560c892e10d0), _1248268)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1252988, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1253920, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1261270)
   Call: (209) [system] peek_char((0x560c892e10d0), _1262204)
   Exit: (209) [system] peek_char((0x560c892e10d0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1266924, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1267856, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x560c892e10d0), '4')
   Exit: (209) [system] get_char((0x560c892e10d0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1275206)
   Call: (210) [system] peek_char((0x560c892e10d0), _1276140)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1280860, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1275206=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1261270=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (208) [system] _1247334=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (207) [system] _1233398=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (206) [system] _1219462=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (205) [system] _1205526=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (204) [system] _1191590=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1156080)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1304060)
   Call: (205) [system] atom_chars(_1304992, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1156080=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1314284)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1316142)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1332152)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1335942)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1314284=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1119420=[_proof4]
   Exit: (201) [system] [_proof4]=[_proof4]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof4])
   Call: (200) [system] _926428=[_proof3, _proof4]
   Exit: (200) [system] [_proof3, _proof4]=[_proof3, _proof4]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof3, _proof4])
   Call: (199) [system] _733436=[_proof2, _proof3, _proof4]
   Exit: (199) [system] [_proof2, _proof3, _proof4]=[_proof2, _proof3, _proof4]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof2, _proof3, _proof4])
   Call: (198) [system] _540444=[_proof1, _proof2, _proof3, _proof4]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4]=[_proof1, _proof2, _proof3, _proof4]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof1, _proof2, _proof3, _proof4])
   Call: (197) [system] _339094=[_ructor, _proof1, _proof2, _proof3, _proof4]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4]=[_ructor, _proof1, _proof2, _proof3, _proof4]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1355412)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1357270)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1366864)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1369568)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1386502)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1392072)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1393930)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1409940)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1392072)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1427582)
   Call: (199) [system] peek_char((0x560c892e10d0), _1428516)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1433236, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1434168, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1441518)
   Call: (200) [system] peek_char((0x560c892e10d0), _1442452)
   Exit: (200) [system] peek_char((0x560c892e10d0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1447172, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1448104, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x560c892e10d0), o)
   Exit: (200) [system] get_char((0x560c892e10d0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455454)
   Call: (201) [system] peek_char((0x560c892e10d0), _1456388)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1461108, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1462040, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469390)
   Call: (202) [system] peek_char((0x560c892e10d0), _1470324)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1475044, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1475976, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483326)
   Call: (203) [system] peek_char((0x560c892e10d0), _1484260)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1488980, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1489912, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497262)
   Call: (204) [system] peek_char((0x560c892e10d0), _1498196)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1502916, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1503848, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511198)
   Call: (205) [system] peek_char((0x560c892e10d0), _1512132)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1516852, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1517784, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1525134)
   Call: (206) [system] peek_char((0x560c892e10d0), _1526068)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1530788, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1531720, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1539070)
   Call: (207) [system] peek_char((0x560c892e10d0), _1540004)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1544724, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1545656, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1553006)
   Call: (208) [system] peek_char((0x560c892e10d0), _1553940)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1558660, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1559592, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1566942)
   Call: (209) [system] peek_char((0x560c892e10d0), _1567876)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1572596, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1566942=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1553006=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _1539070=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _1525134=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _1511198=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (204) [system] _1497262=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (203) [system] _1483326=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (202) [system] _1469390=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1455454=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1441518=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1427582=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1392072)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1606972)
   Call: (200) [system] atom_chars(_1607904, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1392072=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1617196)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1619054)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1635064)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _1638854)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _1617196=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _1355412=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (195) [system] _302434=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (194) [system] _198608=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1652736)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1654594)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1664188)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1666892)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1683826)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1689396)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1691254)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1707264)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1689396)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724906)
   Call: (196) [system] peek_char((0x560c892e10d0), _1725840)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1730560, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1731492, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738842)
   Call: (197) [system] peek_char((0x560c892e10d0), _1739776)
   Exit: (197) [system] peek_char((0x560c892e10d0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1744496, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1745428, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x560c892e10d0), u)
   Exit: (197) [system] get_char((0x560c892e10d0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752778)
   Call: (198) [system] peek_char((0x560c892e10d0), _1753712)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1758432, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1759364, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1766714)
   Call: (199) [system] peek_char((0x560c892e10d0), _1767648)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1772368, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1773300, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1780650)
   Call: (200) [system] peek_char((0x560c892e10d0), _1781584)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1786304, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1787236, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1794586)
   Call: (201) [system] peek_char((0x560c892e10d0), _1795520)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1800240, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1794586=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _1780650=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (199) [system] _1766714=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (198) [system] _1752778=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (197) [system] _1738842=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (196) [system] _1724906=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1689396)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1820646)
   Call: (197) [system] atom_chars(_1821578, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1689396=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1830870)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1832728)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1848738)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1852528)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1830870=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1652736=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (192) [system] _153590=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1863616)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1865474)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _1876924)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1879628)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1889222)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1891926)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1901520)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1904224)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1913818)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1916522)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1926116)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1928820)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1938414)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1941118)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1950712)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1953416)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1963010)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1965714)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1975308)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1978012)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1987606)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1990310)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1999904)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2002608)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2028782)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _2034352)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2036210)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2052220)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2034352)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2057790)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2073800)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _2079370)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2081228)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _4080)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _3648)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _9650)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _25660)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _31230)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _33088)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _49098)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _31230)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _66740)
   Call: (198) [system] peek_char((0x560c892e10d0), _67674)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _66740=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _31230)
^  Call: (198) [user] classify_and_convert_charseq_([:], _76958)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_77910, _77912), once(user:catch(read_from_chars([:], _76958), _77892, fail)), '$restore_trace'(_77910, _77912))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_77910, _77912))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _77892, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _31230=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _90038)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _91896)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _101490)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _104194)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _121128)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _126698)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _128556)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _144566)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _126698)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _162208)
   Call: (199) [system] peek_char((0x560c892e10d0), _163142)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_167862, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_168794, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _176144)
   Call: (200) [system] peek_char((0x560c892e10d0), _177078)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_181798, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_182730, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _190080)
   Call: (201) [system] peek_char((0x560c892e10d0), _191014)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_195734, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_196666, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _204016)
   Call: (202) [system] peek_char((0x560c892e10d0), _204950)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_209670, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_210602, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _217952)
   Call: (203) [system] peek_char((0x560c892e10d0), _218886)
   Exit: (203) [system] peek_char((0x560c892e10d0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_223606, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_224538, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x560c892e10d0), f)
   Exit: (203) [system] get_char((0x560c892e10d0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _231888)
   Call: (204) [system] peek_char((0x560c892e10d0), _232822)
   Exit: (204) [system] peek_char((0x560c892e10d0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_237542, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_238474, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x560c892e10d0), '1')
   Exit: (204) [system] get_char((0x560c892e10d0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _245824)
   Call: (205) [system] peek_char((0x560c892e10d0), _246758)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _245824=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _231888=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (203) [system] _217952=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (202) [system] _204016=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (201) [system] _190080=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (200) [system] _176144=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (199) [system] _162208=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _126698)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _272806)
   Call: (200) [system] atom_chars(_273738, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _126698=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _283030)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _284888)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _294482)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _297186)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _314120)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _319690)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _321548)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _337558)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _319690)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _355200)
   Call: (200) [system] peek_char((0x560c892e10d0), _356134)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_360854, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_361786, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _369136)
   Call: (201) [system] peek_char((0x560c892e10d0), _370070)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_374790, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_375722, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _383072)
   Call: (202) [system] peek_char((0x560c892e10d0), _384006)
   Exit: (202) [system] peek_char((0x560c892e10d0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_388726, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_389658, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x560c892e10d0), e)
   Exit: (202) [system] get_char((0x560c892e10d0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _397008)
   Call: (203) [system] peek_char((0x560c892e10d0), _397942)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_402662, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_403594, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _410944)
   Call: (204) [system] peek_char((0x560c892e10d0), _411878)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_416598, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_417530, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _424880)
   Call: (205) [system] peek_char((0x560c892e10d0), _425814)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_430534, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_431466, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _438816)
   Call: (206) [system] peek_char((0x560c892e10d0), _439750)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_444470, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_445402, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _452752)
   Call: (207) [system] peek_char((0x560c892e10d0), _453686)
   Exit: (207) [system] peek_char((0x560c892e10d0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_458406, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_459338, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x560c892e10d0), '1')
   Exit: (207) [system] get_char((0x560c892e10d0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _466688)
   Call: (208) [system] peek_char((0x560c892e10d0), _467622)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_472342, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _466688=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _452752=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (206) [system] _438816=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (205) [system] _424880=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (204) [system] _410944=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (203) [system] _397008=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (202) [system] _383072=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (201) [system] _369136=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _355200=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _319690)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _501130)
   Call: (201) [system] atom_chars(_502062, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _319690=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _511354)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _513212)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _529222)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _533012)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _511354=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _283030=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (196) [system] _90038=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (195) [system] _3648=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _546894)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _548752)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _558346)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _561050)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _577984)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _583554)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _585412)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _601422)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _583554)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _606992)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _623002)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _628572)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _630430)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _646440)
   Exit: (197) [system] get_char((0x560c892e10d0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), s, _628572)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _664082)
   Call: (199) [system] peek_char((0x560c892e10d0), _665016)
   Exit: (199) [system] peek_char((0x560c892e10d0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_669736, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_670668, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x560c892e10d0), y)
   Exit: (199) [system] get_char((0x560c892e10d0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _678018)
   Call: (200) [system] peek_char((0x560c892e10d0), _678952)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_683672, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_684604, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _691954)
   Call: (201) [system] peek_char((0x560c892e10d0), _692888)
   Exit: (201) [system] peek_char((0x560c892e10d0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_697608, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_698540, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x560c892e10d0), t)
   Exit: (201) [system] get_char((0x560c892e10d0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _705890)
   Call: (202) [system] peek_char((0x560c892e10d0), _706824)
   Exit: (202) [system] peek_char((0x560c892e10d0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_711544, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_712476, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x560c892e10d0), h)
   Exit: (202) [system] get_char((0x560c892e10d0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _719826)
   Call: (203) [system] peek_char((0x560c892e10d0), _720760)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_725480, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_726412, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _733762)
   Call: (204) [system] peek_char((0x560c892e10d0), _734696)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_739416, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_740348, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _747698)
   Call: (205) [system] peek_char((0x560c892e10d0), _748632)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_753352, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_754284, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _761634)
   Call: (206) [system] peek_char((0x560c892e10d0), _762568)
   Exit: (206) [system] peek_char((0x560c892e10d0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_767288, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_768220, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x560c892e10d0), z)
   Exit: (206) [system] get_char((0x560c892e10d0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _775570)
   Call: (207) [system] peek_char((0x560c892e10d0), _776504)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_781224, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_782156, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _789506)
   Call: (208) [system] peek_char((0x560c892e10d0), _790440)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _789506=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _775570=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _761634=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (205) [system] _747698=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (204) [system] _733762=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (203) [system] _719826=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (202) [system] _705890=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (201) [system] _691954=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (200) [system] _678018=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _664082=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _628572)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _824870)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_825822, _825824), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _824870), _825804, fail)), '$restore_trace'(_825822, _825824))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_825822, _825824))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _825804, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _628572=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _837950)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _839808)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _849402)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _852106)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _869040)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _874610)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _876468)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _892478)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _874610)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _898048)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _914058)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _919628)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _921486)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _937496)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _919628)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _955138)
   Call: (202) [system] peek_char((0x560c892e10d0), _956072)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _955138=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _919628)
^  Call: (202) [user] classify_and_convert_charseq_([:], _965356)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_966308, _966310), once(user:catch(read_from_chars([:], _965356), _966290, fail)), '$restore_trace'(_966308, _966310))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_966308, _966310))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _966290, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _919628=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _978436)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _980294)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _989888)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _992592)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1009526)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1015096)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1016954)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1032964)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1015096)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1050606)
   Call: (203) [system] peek_char((0x560c892e10d0), _1051540)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1056260, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1057192, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1064542)
   Call: (204) [system] peek_char((0x560c892e10d0), _1065476)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1070196, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1071128, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1078478)
   Call: (205) [system] peek_char((0x560c892e10d0), _1079412)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1084132, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1085064, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1092414)
   Call: (206) [system] peek_char((0x560c892e10d0), _1093348)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1098068, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1099000, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1106350)
   Call: (207) [system] peek_char((0x560c892e10d0), _1107284)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1112004, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1112936, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1120286)
   Call: (208) [system] peek_char((0x560c892e10d0), _1121220)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1125940, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1126872, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1134222)
   Call: (209) [system] peek_char((0x560c892e10d0), _1135156)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1134222=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1120286=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _1106350=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (206) [system] _1092414=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (205) [system] _1078478=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (204) [system] _1064542=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (203) [system] _1050606=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1015096)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1161204)
   Call: (204) [system] atom_chars(_1162136, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1015096=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1171428)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1173286)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1182880)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1185584)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1202518)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1208088)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1209946)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1225956)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1208088)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1243598)
   Call: (204) [system] peek_char((0x560c892e10d0), _1244532)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1249252, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1250184, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257534)
   Call: (205) [system] peek_char((0x560c892e10d0), _1258468)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1263188, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1264120, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1271470)
   Call: (206) [system] peek_char((0x560c892e10d0), _1272404)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1277124, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1278056, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1285406)
   Call: (207) [system] peek_char((0x560c892e10d0), _1286340)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1291060, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1291992, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1299342)
   Call: (208) [system] peek_char((0x560c892e10d0), _1300276)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1304996, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1305928, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1313278)
   Call: (209) [system] peek_char((0x560c892e10d0), _1314212)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1318932, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1319864, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327214)
   Call: (210) [system] peek_char((0x560c892e10d0), _1328148)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1332868, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1333800, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1341150)
   Call: (211) [system] peek_char((0x560c892e10d0), _1342084)
   Exit: (211) [system] peek_char((0x560c892e10d0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1346804, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1347736, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x560c892e10d0), '1')
   Exit: (211) [system] get_char((0x560c892e10d0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1355086)
   Call: (212) [system] peek_char((0x560c892e10d0), _1356020)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1360740, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1355086=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1341150=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (210) [system] _1327214=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (209) [system] _1313278=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (208) [system] _1299342=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (207) [system] _1285406=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (206) [system] _1271470=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (205) [system] _1257534=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1243598=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1208088)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1389528)
   Call: (205) [system] atom_chars(_1390460, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1208088=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1399752)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1401610)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1417620)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1421410)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1399752=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1171428=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (200) [system] _978436=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (199) [system] _874610=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1435292)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1437150)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1446744)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1449448)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1466382)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1471952)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1473810)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1489820)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1471952)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1507462)
   Call: (201) [system] peek_char((0x560c892e10d0), _1508396)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1513116, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1514048, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1521398)
   Call: (202) [system] peek_char((0x560c892e10d0), _1522332)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1527052, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1527984, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1535334)
   Call: (203) [system] peek_char((0x560c892e10d0), _1536268)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1535334=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1521398=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (201) [system] _1507462=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1471952)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1551140)
   Call: (202) [system] atom_chars(_1552072, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1471952=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1561364)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1563222)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1572816)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1575520)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1592454)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1598024)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1599882)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1615892)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _1598024)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1633534)
   Call: (202) [system] peek_char((0x560c892e10d0), _1634468)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1639188, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1640120, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1647470)
   Call: (203) [system] peek_char((0x560c892e10d0), _1648404)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1653124, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1654056, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1661406)
   Call: (204) [system] peek_char((0x560c892e10d0), _1662340)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1661406=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1647470=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _1633534=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1598024)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1677212)
   Call: (203) [system] atom_chars(_1678144, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1598024=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1687436)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1689294)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1698888)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1701592)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1718526)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1724096)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1725954)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1741964)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1724096)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1759606)
   Call: (203) [system] peek_char((0x560c892e10d0), _1760540)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1765260, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1766192, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1773542)
   Call: (204) [system] peek_char((0x560c892e10d0), _1774476)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1779196, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1773542=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1759606=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1724096)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1788426)
   Call: (204) [system] atom_chars(_1789358, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1724096=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1798650)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1800508)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1816518)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1820308)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1798650=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _1687436=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (199) [system] _1561364=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (198) [system] _1435292=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (197) [system] _837950=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _583554=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1839778)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1841636)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1857646)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1861436)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1839778=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _546894=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3642=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1872524)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1874382)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1885832)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1888536)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1898130)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1900834)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1910428)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1913132)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1922726)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1925430)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1935024)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1937728)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1947322)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1950026)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1959620)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1962324)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1971918)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1974622)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1984216)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1986920)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1996514)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1999218)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _2008812)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2011516)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2037690)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _2043260)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2045118)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _2061128)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _2043260)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2066698)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2082708)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _2088278)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2090136)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _13100)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _3760)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _18670)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _34680)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _40250)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _42108)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _58118)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _40250)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _75760)
   Call: (199) [system] peek_char((0x560c892e10d0), _76694)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _75760=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _40250)
^  Call: (199) [user] classify_and_convert_charseq_([:], _85978)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_86930, _86932), once(user:catch(read_from_chars([:], _85978), _86912, fail)), '$restore_trace'(_86930, _86932))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_86930, _86932))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _86912, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _40250=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _99058)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _100916)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _110510)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _113214)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _130148)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _135718)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _137576)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _153586)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _135718)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _171228)
   Call: (200) [system] peek_char((0x560c892e10d0), _172162)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_176882, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_177814, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _185164)
   Call: (201) [system] peek_char((0x560c892e10d0), _186098)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_190818, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_191750, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _199100)
   Call: (202) [system] peek_char((0x560c892e10d0), _200034)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_204754, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_205686, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _213036)
   Call: (203) [system] peek_char((0x560c892e10d0), _213970)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_218690, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_219622, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _226972)
   Call: (204) [system] peek_char((0x560c892e10d0), _227906)
   Exit: (204) [system] peek_char((0x560c892e10d0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_232626, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_233558, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x560c892e10d0), f)
   Exit: (204) [system] get_char((0x560c892e10d0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _240908)
   Call: (205) [system] peek_char((0x560c892e10d0), _241842)
   Exit: (205) [system] peek_char((0x560c892e10d0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_246562, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_247494, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x560c892e10d0), '2')
   Exit: (205) [system] get_char((0x560c892e10d0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _254844)
   Call: (206) [system] peek_char((0x560c892e10d0), _255778)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _254844=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _240908=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (204) [system] _226972=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (203) [system] _213036=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (202) [system] _199100=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (201) [system] _185164=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (200) [system] _171228=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _135718)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _281826)
   Call: (201) [system] atom_chars(_282758, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _135718=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _292050)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _293908)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _303502)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _306206)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _323140)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _328710)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _330568)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _346578)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _328710)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _364220)
   Call: (201) [system] peek_char((0x560c892e10d0), _365154)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_369874, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_370806, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _378156)
   Call: (202) [system] peek_char((0x560c892e10d0), _379090)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_383810, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_384742, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _392092)
   Call: (203) [system] peek_char((0x560c892e10d0), _393026)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_397746, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_398678, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _406028)
   Call: (204) [system] peek_char((0x560c892e10d0), _406962)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_411682, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_412614, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _419964)
   Call: (205) [system] peek_char((0x560c892e10d0), _420898)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_425618, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_426550, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _433900)
   Call: (206) [system] peek_char((0x560c892e10d0), _434834)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_439554, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_440486, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _447836)
   Call: (207) [system] peek_char((0x560c892e10d0), _448770)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_453490, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_454422, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _461772)
   Call: (208) [system] peek_char((0x560c892e10d0), _462706)
   Exit: (208) [system] peek_char((0x560c892e10d0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_467426, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_468358, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x560c892e10d0), '2')
   Exit: (208) [system] get_char((0x560c892e10d0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _475708)
   Call: (209) [system] peek_char((0x560c892e10d0), _476642)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_481362, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _475708=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _461772=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (207) [system] _447836=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (206) [system] _433900=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (205) [system] _419964=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (204) [system] _406028=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (203) [system] _392092=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (202) [system] _378156=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _364220=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _328710)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _510150)
   Call: (202) [system] atom_chars(_511082, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _328710=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _520374)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _522232)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _538242)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _542032)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _520374=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _292050=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (197) [system] _99058=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (196) [system] _3760=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _555914)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _557772)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _567366)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _570070)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _587004)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _592574)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _594432)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _610442)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _592574)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _616012)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _632022)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _637592)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _639450)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _655460)
   Exit: (198) [system] get_char((0x560c892e10d0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), s, _637592)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _673102)
   Call: (200) [system] peek_char((0x560c892e10d0), _674036)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_678756, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_679688, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _687038)
   Call: (201) [system] peek_char((0x560c892e10d0), _687972)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_692692, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_693624, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _700974)
   Call: (202) [system] peek_char((0x560c892e10d0), _701908)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_706628, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_707560, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _714910)
   Call: (203) [system] peek_char((0x560c892e10d0), _715844)
   Exit: (203) [system] peek_char((0x560c892e10d0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_720564, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_721496, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x560c892e10d0), h)
   Exit: (203) [system] get_char((0x560c892e10d0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _728846)
   Call: (204) [system] peek_char((0x560c892e10d0), _729780)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_734500, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_735432, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _742782)
   Call: (205) [system] peek_char((0x560c892e10d0), _743716)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_748436, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_749368, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _756718)
   Call: (206) [system] peek_char((0x560c892e10d0), _757652)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_762372, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_763304, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _770654)
   Call: (207) [system] peek_char((0x560c892e10d0), _771588)
   Exit: (207) [system] peek_char((0x560c892e10d0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_776308, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_777240, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x560c892e10d0), z)
   Exit: (207) [system] get_char((0x560c892e10d0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _784590)
   Call: (208) [system] peek_char((0x560c892e10d0), _785524)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_790244, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_791176, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _798526)
   Call: (209) [system] peek_char((0x560c892e10d0), _799460)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _798526=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _784590=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (207) [system] _770654=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (206) [system] _756718=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (205) [system] _742782=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (204) [system] _728846=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (203) [system] _714910=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (202) [system] _700974=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (201) [system] _687038=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _673102=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _637592)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _833890)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_834842, _834844), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _833890), _834824, fail)), '$restore_trace'(_834842, _834844))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_834842, _834844))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _834824, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _637592=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _846970)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _848828)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _858422)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _861126)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _878060)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _883630)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _885488)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _901498)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _883630)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _907068)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _923078)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _928648)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _930506)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _946516)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _928648)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _964158)
   Call: (203) [system] peek_char((0x560c892e10d0), _965092)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _964158=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _928648)
^  Call: (203) [user] classify_and_convert_charseq_([:], _974376)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_975328, _975330), once(user:catch(read_from_chars([:], _974376), _975310, fail)), '$restore_trace'(_975328, _975330))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_975328, _975330))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _975310, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _928648=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _987456)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _989314)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _998908)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1001612)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1018546)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1024116)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1025974)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1041984)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1024116)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059626)
   Call: (204) [system] peek_char((0x560c892e10d0), _1060560)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1065280, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1066212, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073562)
   Call: (205) [system] peek_char((0x560c892e10d0), _1074496)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1079216, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1080148, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087498)
   Call: (206) [system] peek_char((0x560c892e10d0), _1088432)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1093152, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1094084, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101434)
   Call: (207) [system] peek_char((0x560c892e10d0), _1102368)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1107088, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1108020, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1115370)
   Call: (208) [system] peek_char((0x560c892e10d0), _1116304)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1121024, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1121956, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1129306)
   Call: (209) [system] peek_char((0x560c892e10d0), _1130240)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1134960, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1135892, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1143242)
   Call: (210) [system] peek_char((0x560c892e10d0), _1144176)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1143242=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1129306=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _1115370=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (207) [system] _1101434=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (206) [system] _1087498=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (205) [system] _1073562=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (204) [system] _1059626=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1024116)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1170224)
   Call: (205) [system] atom_chars(_1171156, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1024116=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1180448)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1182306)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1191900)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1194604)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1211538)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1217108)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1218966)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1234976)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1217108)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1252618)
   Call: (205) [system] peek_char((0x560c892e10d0), _1253552)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1258272, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1259204, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1266554)
   Call: (206) [system] peek_char((0x560c892e10d0), _1267488)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1272208, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1273140, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1280490)
   Call: (207) [system] peek_char((0x560c892e10d0), _1281424)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1286144, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1287076, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1294426)
   Call: (208) [system] peek_char((0x560c892e10d0), _1295360)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1300080, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1301012, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1308362)
   Call: (209) [system] peek_char((0x560c892e10d0), _1309296)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1314016, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1314948, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1322298)
   Call: (210) [system] peek_char((0x560c892e10d0), _1323232)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1327952, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1328884, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1336234)
   Call: (211) [system] peek_char((0x560c892e10d0), _1337168)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1341888, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1342820, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1350170)
   Call: (212) [system] peek_char((0x560c892e10d0), _1351104)
   Exit: (212) [system] peek_char((0x560c892e10d0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1355824, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1356756, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x560c892e10d0), '2')
   Exit: (212) [system] get_char((0x560c892e10d0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1364106)
   Call: (213) [system] peek_char((0x560c892e10d0), _1365040)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1369760, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1364106=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1350170=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (211) [system] _1336234=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (210) [system] _1322298=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (209) [system] _1308362=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (208) [system] _1294426=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (207) [system] _1280490=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (206) [system] _1266554=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1252618=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1217108)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1398548)
   Call: (206) [system] atom_chars(_1399480, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1217108=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1408772)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1410630)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1426640)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1430430)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1408772=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1180448=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (201) [system] _987456=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (200) [system] _883630=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1444312)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1446170)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1455764)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1458468)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1475402)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1480972)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1482830)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1498840)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _1480972)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1516482)
   Call: (202) [system] peek_char((0x560c892e10d0), _1517416)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1522136, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1523068, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1530418)
   Call: (203) [system] peek_char((0x560c892e10d0), _1531352)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1536072, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1537004, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1544354)
   Call: (204) [system] peek_char((0x560c892e10d0), _1545288)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1544354=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1530418=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _1516482=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1480972)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1560160)
   Call: (203) [system] atom_chars(_1561092, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1480972=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1570384)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1572242)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1581836)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1584540)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1601474)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1607044)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1608902)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1624912)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1607044)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1642554)
   Call: (203) [system] peek_char((0x560c892e10d0), _1643488)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1648208, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1649140, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1656490)
   Call: (204) [system] peek_char((0x560c892e10d0), _1657424)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1662144, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1663076, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1670426)
   Call: (205) [system] peek_char((0x560c892e10d0), _1671360)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1670426=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1656490=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _1642554=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1607044)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1686232)
   Call: (204) [system] atom_chars(_1687164, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1607044=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1696456)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1698314)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1707908)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1710612)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1727546)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1733116)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1734974)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1750984)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1733116)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1768626)
   Call: (204) [system] peek_char((0x560c892e10d0), _1769560)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1774280, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1775212, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1782562)
   Call: (205) [system] peek_char((0x560c892e10d0), _1783496)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1788216, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1782562=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1768626=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1733116)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1797446)
   Call: (205) [system] atom_chars(_1798378, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1733116=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1807670)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1809528)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1825538)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1829328)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1807670=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1696456=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (200) [system] _1570384=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (199) [system] _1444312=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (198) [system] _846970=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _592574=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1848798)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1850656)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1866666)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1870456)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1848798=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _555914=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3754=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1881544)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1883402)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x560c892e10d0), _1894852)
   Exit: (194) [system] get_char((0x560c892e10d0), '\n')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1897556)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1907150)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1909854)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1919448)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1922152)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1931746)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1934450)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1944044)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1946748)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1956342)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1959046)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1968640)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1971344)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1980938)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1983642)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1993236)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1995940)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _2005534)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2008238)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _2017832)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2020536)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2046710)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _2052280)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2054138)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _2070148)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _2052280)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2075718)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2091728)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _4400)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _6258)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _22268)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _4400)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _27838)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _43848)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _49418)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _51276)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _67286)
   Exit: (198) [system] get_char((0x560c892e10d0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), :, _49418)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _84928)
   Call: (200) [system] peek_char((0x560c892e10d0), _85862)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _84928=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _49418)
^  Call: (200) [user] classify_and_convert_charseq_([:], _95146)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_96098, _96100), once(user:catch(read_from_chars([:], _95146), _96080, fail)), '$restore_trace'(_96098, _96100))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_96098, _96100))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _96080, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _49418=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _108226)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _110084)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _119678)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _122382)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _139316)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _144886)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _146744)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _162754)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _144886)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _180396)
   Call: (201) [system] peek_char((0x560c892e10d0), _181330)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_186050, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_186982, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _194332)
   Call: (202) [system] peek_char((0x560c892e10d0), _195266)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_199986, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_200918, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _208268)
   Call: (203) [system] peek_char((0x560c892e10d0), _209202)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_213922, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_214854, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _222204)
   Call: (204) [system] peek_char((0x560c892e10d0), _223138)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_227858, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_228790, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _236140)
   Call: (205) [system] peek_char((0x560c892e10d0), _237074)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_241794, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_242726, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _250076)
   Call: (206) [system] peek_char((0x560c892e10d0), _251010)
   Exit: (206) [system] peek_char((0x560c892e10d0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_255730, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_256662, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x560c892e10d0), '3')
   Exit: (206) [system] get_char((0x560c892e10d0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _264012)
   Call: (207) [system] peek_char((0x560c892e10d0), _264946)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _264012=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _250076=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (205) [system] _236140=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (204) [system] _222204=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (203) [system] _208268=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (202) [system] _194332=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (201) [system] _180396=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _144886)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _290994)
   Call: (202) [system] atom_chars(_291926, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _144886=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _301218)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _303076)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _312670)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _315374)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _332308)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _337878)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _339736)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _355746)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _337878)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _373388)
   Call: (202) [system] peek_char((0x560c892e10d0), _374322)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_379042, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_379974, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _387324)
   Call: (203) [system] peek_char((0x560c892e10d0), _388258)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_392978, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_393910, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _401260)
   Call: (204) [system] peek_char((0x560c892e10d0), _402194)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_406914, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_407846, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _415196)
   Call: (205) [system] peek_char((0x560c892e10d0), _416130)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_420850, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_421782, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _429132)
   Call: (206) [system] peek_char((0x560c892e10d0), _430066)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_434786, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_435718, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _443068)
   Call: (207) [system] peek_char((0x560c892e10d0), _444002)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_448722, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_449654, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _457004)
   Call: (208) [system] peek_char((0x560c892e10d0), _457938)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_462658, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_463590, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _470940)
   Call: (209) [system] peek_char((0x560c892e10d0), _471874)
   Exit: (209) [system] peek_char((0x560c892e10d0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_476594, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_477526, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x560c892e10d0), '3')
   Exit: (209) [system] get_char((0x560c892e10d0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _484876)
   Call: (210) [system] peek_char((0x560c892e10d0), _485810)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_490530, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _484876=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _470940=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (208) [system] _457004=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (207) [system] _443068=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (206) [system] _429132=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (205) [system] _415196=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (204) [system] _401260=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (203) [system] _387324=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _373388=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _337878)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _519318)
   Call: (203) [system] atom_chars(_520250, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _337878=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _529542)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _531400)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _547410)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _551200)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _529542=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _301218=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (198) [system] _108226=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (197) [system] _4400=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _565082)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _566940)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _576534)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _579238)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _596172)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _601742)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _603600)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _619610)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _601742)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _625180)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _641190)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _646760)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _648618)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _664628)
   Exit: (199) [system] get_char((0x560c892e10d0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), s, _646760)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _682270)
   Call: (201) [system] peek_char((0x560c892e10d0), _683204)
   Exit: (201) [system] peek_char((0x560c892e10d0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_687924, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_688856, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x560c892e10d0), y)
   Exit: (201) [system] get_char((0x560c892e10d0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _696206)
   Call: (202) [system] peek_char((0x560c892e10d0), _697140)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_701860, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_702792, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _710142)
   Call: (203) [system] peek_char((0x560c892e10d0), _711076)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_715796, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_716728, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _724078)
   Call: (204) [system] peek_char((0x560c892e10d0), _725012)
   Exit: (204) [system] peek_char((0x560c892e10d0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_729732, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_730664, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x560c892e10d0), h)
   Exit: (204) [system] get_char((0x560c892e10d0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _738014)
   Call: (205) [system] peek_char((0x560c892e10d0), _738948)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_743668, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_744600, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _751950)
   Call: (206) [system] peek_char((0x560c892e10d0), _752884)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_757604, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_758536, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _765886)
   Call: (207) [system] peek_char((0x560c892e10d0), _766820)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_771540, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_772472, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _779822)
   Call: (208) [system] peek_char((0x560c892e10d0), _780756)
   Exit: (208) [system] peek_char((0x560c892e10d0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_785476, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_786408, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x560c892e10d0), z)
   Exit: (208) [system] get_char((0x560c892e10d0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _793758)
   Call: (209) [system] peek_char((0x560c892e10d0), _794692)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_799412, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_800344, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _807694)
   Call: (210) [system] peek_char((0x560c892e10d0), _808628)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _807694=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _793758=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (208) [system] _779822=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (207) [system] _765886=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (206) [system] _751950=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (205) [system] _738014=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (204) [system] _724078=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (203) [system] _710142=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (202) [system] _696206=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _682270=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _646760)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _843058)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_844010, _844012), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _843058), _843992, fail)), '$restore_trace'(_844010, _844012))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_844010, _844012))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _843992, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _646760=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _856138)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _857996)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _867590)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _870294)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _887228)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _892798)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _894656)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _910666)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _892798)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _916236)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _932246)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _937816)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _939674)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _955684)
   Exit: (202) [system] get_char((0x560c892e10d0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), :, _937816)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _973326)
   Call: (204) [system] peek_char((0x560c892e10d0), _974260)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _973326=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _937816)
^  Call: (204) [user] classify_and_convert_charseq_([:], _983544)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_984496, _984498), once(user:catch(read_from_chars([:], _983544), _984478, fail)), '$restore_trace'(_984496, _984498))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_984496, _984498))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _984478, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _937816=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _996624)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _998482)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1008076)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1010780)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1027714)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1033284)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1035142)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1051152)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1033284)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1068794)
   Call: (205) [system] peek_char((0x560c892e10d0), _1069728)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1074448, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1075380, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082730)
   Call: (206) [system] peek_char((0x560c892e10d0), _1083664)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1088384, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1089316, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1096666)
   Call: (207) [system] peek_char((0x560c892e10d0), _1097600)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1102320, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1103252, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1110602)
   Call: (208) [system] peek_char((0x560c892e10d0), _1111536)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1116256, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1117188, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1124538)
   Call: (209) [system] peek_char((0x560c892e10d0), _1125472)
   Exit: (209) [system] peek_char((0x560c892e10d0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1130192, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1131124, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x560c892e10d0), f)
   Exit: (209) [system] get_char((0x560c892e10d0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1138474)
   Call: (210) [system] peek_char((0x560c892e10d0), _1139408)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1144128, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1145060, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1152410)
   Call: (211) [system] peek_char((0x560c892e10d0), _1153344)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1152410=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1138474=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _1124538=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (208) [system] _1110602=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (207) [system] _1096666=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (206) [system] _1082730=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (205) [system] _1068794=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1033284)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1179392)
   Call: (206) [system] atom_chars(_1180324, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1033284=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1189616)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1191474)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1201068)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1203772)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1220706)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1226276)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1228134)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1244144)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1226276)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1261786)
   Call: (206) [system] peek_char((0x560c892e10d0), _1262720)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1267440, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1268372, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1275722)
   Call: (207) [system] peek_char((0x560c892e10d0), _1276656)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1281376, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1282308, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1289658)
   Call: (208) [system] peek_char((0x560c892e10d0), _1290592)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1295312, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1296244, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1303594)
   Call: (209) [system] peek_char((0x560c892e10d0), _1304528)
   Exit: (209) [system] peek_char((0x560c892e10d0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1309248, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1310180, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x560c892e10d0), m)
   Exit: (209) [system] get_char((0x560c892e10d0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1317530)
   Call: (210) [system] peek_char((0x560c892e10d0), _1318464)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1323184, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1324116, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1331466)
   Call: (211) [system] peek_char((0x560c892e10d0), _1332400)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1337120, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1338052, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1345402)
   Call: (212) [system] peek_char((0x560c892e10d0), _1346336)
   Exit: (212) [system] peek_char((0x560c892e10d0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1351056, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1351988, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x560c892e10d0), e)
   Exit: (212) [system] get_char((0x560c892e10d0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1359338)
   Call: (213) [system] peek_char((0x560c892e10d0), _1360272)
   Exit: (213) [system] peek_char((0x560c892e10d0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1364992, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1365924, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x560c892e10d0), '3')
   Exit: (213) [system] get_char((0x560c892e10d0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1373274)
   Call: (214) [system] peek_char((0x560c892e10d0), _1374208)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1378928, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1373274=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _1359338=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (212) [system] _1345402=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (211) [system] _1331466=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (210) [system] _1317530=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (209) [system] _1303594=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (208) [system] _1289658=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (207) [system] _1275722=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1261786=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1226276)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1407716)
   Call: (207) [system] atom_chars(_1408648, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1226276=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1417940)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1419798)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1435808)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1439598)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1417940=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1189616=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (202) [system] _996624=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (201) [system] _892798=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1453480)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1455338)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1464932)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1467636)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1484570)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1490140)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1491998)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1508008)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1490140)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1525650)
   Call: (203) [system] peek_char((0x560c892e10d0), _1526584)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1531304, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1532236, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1539586)
   Call: (204) [system] peek_char((0x560c892e10d0), _1540520)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1545240, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1546172, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1553522)
   Call: (205) [system] peek_char((0x560c892e10d0), _1554456)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1553522=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1539586=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _1525650=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1490140)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1569328)
   Call: (204) [system] atom_chars(_1570260, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1490140=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1579552)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1581410)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1591004)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1593708)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1610642)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1616212)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1618070)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1634080)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1616212)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1651722)
   Call: (204) [system] peek_char((0x560c892e10d0), _1652656)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1657376, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1658308, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1665658)
   Call: (205) [system] peek_char((0x560c892e10d0), _1666592)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1671312, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1672244, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1679594)
   Call: (206) [system] peek_char((0x560c892e10d0), _1680528)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1679594=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1665658=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (204) [system] _1651722=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1616212)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1695400)
   Call: (205) [system] atom_chars(_1696332, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1616212=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1705624)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1707482)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1717076)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1719780)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1736714)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1742284)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1744142)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1760152)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1742284)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1777794)
   Call: (205) [system] peek_char((0x560c892e10d0), _1778728)
   Exit: (205) [system] peek_char((0x560c892e10d0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1783448, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1784380, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x560c892e10d0), k)
   Exit: (205) [system] get_char((0x560c892e10d0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1791730)
   Call: (206) [system] peek_char((0x560c892e10d0), _1792664)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1797384, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1791730=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1777794=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1742284)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1806614)
   Call: (206) [system] atom_chars(_1807546, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1742284=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1816838)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1818696)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1834706)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1838496)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1816838=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1705624=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (201) [system] _1579552=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (200) [system] _1453480=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (199) [system] _856138=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _601742=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1857966)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1859824)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1875834)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _1879624)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _1857966=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _565082=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3866=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1890712)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1892570)
   Exit: (195) [system] peek_char((0x560c892e10d0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x560c892e10d0), _1904020)
   Exit: (195) [system] get_char((0x560c892e10d0), '\n')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1906724)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1916318)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1919022)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1928616)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1931320)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1940914)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1943618)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1953212)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1955916)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1965510)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1968214)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1977808)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1980512)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1990106)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1992810)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _2002404)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2005108)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _2014702)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2017406)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _2027000)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2029704)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2055878)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _2061448)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2063306)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _2079316)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _2061448)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2084886)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _8080)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _13650)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _15508)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _31518)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _13650)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _37088)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _53098)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _58668)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _60526)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _76536)
   Exit: (199) [system] get_char((0x560c892e10d0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), :, _58668)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _94178)
   Call: (201) [system] peek_char((0x560c892e10d0), _95112)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _94178=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _58668)
^  Call: (201) [user] classify_and_convert_charseq_([:], _104396)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_105348, _105350), once(user:catch(read_from_chars([:], _104396), _105330, fail)), '$restore_trace'(_105348, _105350))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_105348, _105350))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _105330, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _58668=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _117476)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _119334)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _128928)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _131632)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _148566)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _154136)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _155994)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _172004)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _154136)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _189646)
   Call: (202) [system] peek_char((0x560c892e10d0), _190580)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_195300, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_196232, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _203582)
   Call: (203) [system] peek_char((0x560c892e10d0), _204516)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_209236, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_210168, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _217518)
   Call: (204) [system] peek_char((0x560c892e10d0), _218452)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_223172, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_224104, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _231454)
   Call: (205) [system] peek_char((0x560c892e10d0), _232388)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_237108, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_238040, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _245390)
   Call: (206) [system] peek_char((0x560c892e10d0), _246324)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_251044, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_251976, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _259326)
   Call: (207) [system] peek_char((0x560c892e10d0), _260260)
   Exit: (207) [system] peek_char((0x560c892e10d0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_264980, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_265912, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x560c892e10d0), '4')
   Exit: (207) [system] get_char((0x560c892e10d0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _273262)
   Call: (208) [system] peek_char((0x560c892e10d0), _274196)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _273262=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _259326=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (206) [system] _245390=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (205) [system] _231454=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (204) [system] _217518=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (203) [system] _203582=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (202) [system] _189646=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _154136)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _300244)
   Call: (203) [system] atom_chars(_301176, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _154136=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _310468)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _312326)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _321920)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _324624)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _341558)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _347128)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _348986)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _364996)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _347128)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _382638)
   Call: (203) [system] peek_char((0x560c892e10d0), _383572)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_388292, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_389224, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _396574)
   Call: (204) [system] peek_char((0x560c892e10d0), _397508)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_402228, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_403160, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _410510)
   Call: (205) [system] peek_char((0x560c892e10d0), _411444)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_416164, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_417096, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _424446)
   Call: (206) [system] peek_char((0x560c892e10d0), _425380)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_430100, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_431032, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _438382)
   Call: (207) [system] peek_char((0x560c892e10d0), _439316)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_444036, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_444968, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _452318)
   Call: (208) [system] peek_char((0x560c892e10d0), _453252)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_457972, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_458904, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _466254)
   Call: (209) [system] peek_char((0x560c892e10d0), _467188)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_471908, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_472840, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _480190)
   Call: (210) [system] peek_char((0x560c892e10d0), _481124)
   Exit: (210) [system] peek_char((0x560c892e10d0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_485844, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_486776, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x560c892e10d0), '4')
   Exit: (210) [system] get_char((0x560c892e10d0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _494126)
   Call: (211) [system] peek_char((0x560c892e10d0), _495060)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_499780, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _494126=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _480190=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (209) [system] _466254=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (208) [system] _452318=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (207) [system] _438382=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (206) [system] _424446=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (205) [system] _410510=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (204) [system] _396574=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _382638=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _347128)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _528568)
   Call: (204) [system] atom_chars(_529500, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _347128=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _538792)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _540650)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _556660)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _560450)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _538792=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _310468=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_premise4])
   Call: (199) [system] _117476=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof4, _premise4])
   Call: (198) [system] _13650=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _574332)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _576190)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _585784)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _588488)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _605422)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _610992)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _612850)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _628860)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _610992)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _634430)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _650440)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _656010)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _657868)
   Exit: (201) [system] peek_char((0x560c892e10d0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _673878)
   Exit: (200) [system] get_char((0x560c892e10d0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), s, _656010)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _691520)
   Call: (202) [system] peek_char((0x560c892e10d0), _692454)
   Exit: (202) [system] peek_char((0x560c892e10d0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_697174, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_698106, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x560c892e10d0), y)
   Exit: (202) [system] get_char((0x560c892e10d0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _705456)
   Call: (203) [system] peek_char((0x560c892e10d0), _706390)
   Exit: (203) [system] peek_char((0x560c892e10d0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_711110, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_712042, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x560c892e10d0), n)
   Exit: (203) [system] get_char((0x560c892e10d0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _719392)
   Call: (204) [system] peek_char((0x560c892e10d0), _720326)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_725046, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_725978, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _733328)
   Call: (205) [system] peek_char((0x560c892e10d0), _734262)
   Exit: (205) [system] peek_char((0x560c892e10d0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_738982, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_739914, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x560c892e10d0), h)
   Exit: (205) [system] get_char((0x560c892e10d0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _747264)
   Call: (206) [system] peek_char((0x560c892e10d0), _748198)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_752918, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_753850, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _761200)
   Call: (207) [system] peek_char((0x560c892e10d0), _762134)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_766854, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_767786, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _775136)
   Call: (208) [system] peek_char((0x560c892e10d0), _776070)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_780790, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_781722, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _789072)
   Call: (209) [system] peek_char((0x560c892e10d0), _790006)
   Exit: (209) [system] peek_char((0x560c892e10d0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_794726, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_795658, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x560c892e10d0), z)
   Exit: (209) [system] get_char((0x560c892e10d0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _803008)
   Call: (210) [system] peek_char((0x560c892e10d0), _803942)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_808662, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_809594, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _816944)
   Call: (211) [system] peek_char((0x560c892e10d0), _817878)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _816944=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _803008=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (209) [system] _789072=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (208) [system] _775136=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (207) [system] _761200=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (206) [system] _747264=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (205) [system] _733328=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (204) [system] _719392=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (203) [system] _705456=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _691520=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _656010)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _852308)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_853260, _853262), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _852308), _853242, fail)), '$restore_trace'(_853260, _853262))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_853260, _853262))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _853242, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _656010=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _865388)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _867246)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _876840)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _879544)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _896478)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _902048)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _903906)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _919916)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _902048)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _925486)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _941496)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _947066)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _948924)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _964934)
   Exit: (203) [system] get_char((0x560c892e10d0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), :, _947066)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _982576)
   Call: (205) [system] peek_char((0x560c892e10d0), _983510)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _982576=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _947066)
^  Call: (205) [user] classify_and_convert_charseq_([:], _992794)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_993746, _993748), once(user:catch(read_from_chars([:], _992794), _993728, fail)), '$restore_trace'(_993746, _993748))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_993746, _993748))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _993728, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _947066=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1005874)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1007732)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1017326)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1020030)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1036964)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1042534)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1044392)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1060402)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1042534)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1078044)
   Call: (206) [system] peek_char((0x560c892e10d0), _1078978)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1083698, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1084630, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1091980)
   Call: (207) [system] peek_char((0x560c892e10d0), _1092914)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1097634, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1098566, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1105916)
   Call: (208) [system] peek_char((0x560c892e10d0), _1106850)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1111570, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1112502, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1119852)
   Call: (209) [system] peek_char((0x560c892e10d0), _1120786)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1125506, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1126438, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1133788)
   Call: (210) [system] peek_char((0x560c892e10d0), _1134722)
   Exit: (210) [system] peek_char((0x560c892e10d0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1139442, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1140374, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x560c892e10d0), f)
   Exit: (210) [system] get_char((0x560c892e10d0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1147724)
   Call: (211) [system] peek_char((0x560c892e10d0), _1148658)
   Exit: (211) [system] peek_char((0x560c892e10d0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1153378, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1154310, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x560c892e10d0), '4')
   Exit: (211) [system] get_char((0x560c892e10d0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1161660)
   Call: (212) [system] peek_char((0x560c892e10d0), _1162594)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1161660=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1147724=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (210) [system] _1133788=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (209) [system] _1119852=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (208) [system] _1105916=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (207) [system] _1091980=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (206) [system] _1078044=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1042534)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1188642)
   Call: (207) [system] atom_chars(_1189574, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1042534=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1198866)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1200724)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1210318)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1213022)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1229956)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1235526)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1237384)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1253394)
   Exit: (205) [system] get_char((0x560c892e10d0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _1235526)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1271036)
   Call: (207) [system] peek_char((0x560c892e10d0), _1271970)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1276690, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1277622, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1284972)
   Call: (208) [system] peek_char((0x560c892e10d0), _1285906)
   Exit: (208) [system] peek_char((0x560c892e10d0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1290626, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1291558, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x560c892e10d0), r)
   Exit: (208) [system] get_char((0x560c892e10d0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1298908)
   Call: (209) [system] peek_char((0x560c892e10d0), _1299842)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1304562, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1305494, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1312844)
   Call: (210) [system] peek_char((0x560c892e10d0), _1313778)
   Exit: (210) [system] peek_char((0x560c892e10d0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1318498, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1319430, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x560c892e10d0), m)
   Exit: (210) [system] get_char((0x560c892e10d0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1326780)
   Call: (211) [system] peek_char((0x560c892e10d0), _1327714)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1332434, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1333366, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1340716)
   Call: (212) [system] peek_char((0x560c892e10d0), _1341650)
   Exit: (212) [system] peek_char((0x560c892e10d0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1346370, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1347302, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x560c892e10d0), s)
   Exit: (212) [system] get_char((0x560c892e10d0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1354652)
   Call: (213) [system] peek_char((0x560c892e10d0), _1355586)
   Exit: (213) [system] peek_char((0x560c892e10d0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1360306, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1361238, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x560c892e10d0), e)
   Exit: (213) [system] get_char((0x560c892e10d0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1368588)
   Call: (214) [system] peek_char((0x560c892e10d0), _1369522)
   Exit: (214) [system] peek_char((0x560c892e10d0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1374242, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1375174, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x560c892e10d0), '4')
   Exit: (214) [system] get_char((0x560c892e10d0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382524)
   Call: (215) [system] peek_char((0x560c892e10d0), _1383458)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1388178, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1382524=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1368588=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (213) [system] _1354652=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (212) [system] _1340716=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (211) [system] _1326780=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (210) [system] _1312844=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (209) [system] _1298908=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (208) [system] _1284972=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1271036=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1235526)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1416966)
   Call: (208) [system] atom_chars(_1417898, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1235526=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1427190)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1429048)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1445058)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1448848)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1427190=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _1198866=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [_premise4])
   Call: (203) [system] _1005874=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_proof4, _premise4])
   Call: (202) [system] _902048=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1462730)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1464588)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1474182)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1476886)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1493820)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1499390)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1501248)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1517258)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1499390)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1534900)
   Call: (204) [system] peek_char((0x560c892e10d0), _1535834)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1540554, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1541486, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1548836)
   Call: (205) [system] peek_char((0x560c892e10d0), _1549770)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1554490, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1555422, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1562772)
   Call: (206) [system] peek_char((0x560c892e10d0), _1563706)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1562772=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1548836=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (204) [system] _1534900=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1499390)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _1578578)
   Call: (205) [system] atom_chars(_1579510, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1499390=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1588802)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1590660)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1600254)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1602958)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1619892)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1625462)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1627320)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1643330)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1625462)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1660972)
   Call: (205) [system] peek_char((0x560c892e10d0), _1661906)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1666626, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1667558, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1674908)
   Call: (206) [system] peek_char((0x560c892e10d0), _1675842)
   Exit: (206) [system] peek_char((0x560c892e10d0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1680562, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1681494, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x560c892e10d0), b)
   Exit: (206) [system] get_char((0x560c892e10d0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1688844)
   Call: (207) [system] peek_char((0x560c892e10d0), _1689778)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1688844=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1674908=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (205) [system] _1660972=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _1625462)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _1704650)
   Call: (206) [system] atom_chars(_1705582, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _1625462=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1714874)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1716732)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1726326)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1729030)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1745964)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1751534)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1753392)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1769402)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1751534)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1787044)
   Call: (206) [system] peek_char((0x560c892e10d0), _1787978)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1792698, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1793630, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1800980)
   Call: (207) [system] peek_char((0x560c892e10d0), _1801914)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1806634, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1800980=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1787044=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _1751534)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _1815864)
   Call: (207) [system] atom_chars(_1816796, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _1751534=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1826088)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1827946)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1843956)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1847746)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1826088=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1714874=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (202) [system] _1588802=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (201) [system] _1462730=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (200) [system] _865388=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _610992=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1867216)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1869074)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1885084)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1888874)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1867216=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _574332=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _3978=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1899962)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1901820)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1917830)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1921620)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1899962=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _3974=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (193) [system] _3862=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (192) [system] _3750=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (191) [system] _3638=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (190) [system] _3544=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1943884)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1945742)
   Exit: (189) [system] peek_char((0x560c892e10d0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x560c892e10d0), _1957192)
   Exit: (189) [system] get_char((0x560c892e10d0), '\n')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1959896)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1969490)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1972194)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1981788)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1984492)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1994086)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1996790)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _2006384)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2009088)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _2018682)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2021386)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2042940)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _2048510)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2050368)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _2066378)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _2048510)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _2084020)
   Call: (191) [system] peek_char((0x560c892e10d0), _2084954)
   Exit: (191) [system] peek_char((0x560c892e10d0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_2089674, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_2090606, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x560c892e10d0), q)
   Exit: (191) [system] get_char((0x560c892e10d0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _5378)
   Call: (192) [system] peek_char((0x560c892e10d0), _6312)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_11032, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_11964, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _19314)
   Call: (193) [system] peek_char((0x560c892e10d0), _20248)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_24968, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_25900, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _33250)
   Call: (194) [system] peek_char((0x560c892e10d0), _34184)
   Exit: (194) [system] peek_char((0x560c892e10d0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_38904, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_39836, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x560c892e10d0), r)
   Exit: (194) [system] get_char((0x560c892e10d0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _47186)
   Call: (195) [system] peek_char((0x560c892e10d0), _48120)
   Exit: (195) [system] peek_char((0x560c892e10d0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_52840, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_53772, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x560c892e10d0), y)
   Exit: (195) [system] get_char((0x560c892e10d0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _61122)
   Call: (196) [system] peek_char((0x560c892e10d0), _62056)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_66776, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _61122=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _47186=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (194) [system] _33250=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (193) [system] _19314=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (192) [system] _5378=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (191) [system] _4094=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _4090)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _87182)
   Call: (192) [system] atom_chars(_88114, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _4090=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _97406)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _99264)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _115274)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _119064)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _97406=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _4086=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _132946)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _134804)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _150814)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _154604)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _132946=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_173122, _173124, _173126, _173128, _173130))
^  Exit: (177) [user] retract(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178786))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178786))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178786)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181586))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181586)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181586)
   Call: (187) [system] var('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] atom('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==true
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==false
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==[_188106, _188112]
   Call: (187) [system] is_list('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] string('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _192740, _192742)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _196482)
   Call: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _196482, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", _198362)
   Call: (190) [system] var(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==[_203004, _203010]
   Call: (190) [system] is_list(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=_198362
   Exit: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([42, 0], _198364, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(42, _216884)
   Call: (191) [system] var(42)
   Call: (191) [system] atom(42)
   Call: (191) [system] 42==true
   Call: (191) [system] 42==false
   Call: (191) [system] 42==[_221526, _221532]
   Call: (191) [system] is_list(42)
   Call: (191) [system] string(42)
   Call: (191) [system] compound(42)
^  Call: (191) [user] symbol(42)
   Call: (192) [system] atom(42)
   Fail: (192) [system] atom(42)
^  Fail: (191) [user] symbol(42)
   Call: (191) [system] 42=_216884
   Exit: (191) [system] 42=42
^  Exit: (190) [user] mfix_vars1(42, 42)
   Call: (190) [apply] apply:maplist_([0], _216886, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _232650)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_237292, _237298]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_232650
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _232652, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([42, 0], [42, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] compound_name_arguments(_181586, '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261468))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261468))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261468)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264268))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264268)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264268)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175970)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278226))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278226)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278226)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (178) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1729639320_140374, 73)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639320.1364253), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639320.1364253), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639325.4761322)
   Call: (173) [system] arg(1, t(1729639320.1364253), _3148)
   Exit: (173) [system] arg(1, t(1729639320.1364253), 1729639320.1364253)
   Call: (173) [system] _3158 is 1729639325.4761322-1729639320.1364253
   Exit: (173) [system] 5.339706897735596 is 1729639325.4761322-1729639320.1364253
   Call: (173) [system] 5.339706897735596>4
   Exit: (173) [system] 5.339706897735596>4
   Call: (173) [system] nb_setarg(1, t(1729639320.1364253), 1729639325.4761322)
   Exit: (173) [system] nb_setarg(1, t(1729639325.4761322), 1729639325.4761322)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_324230, _324232), once(user:with_indents(false, write_src('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))), '$restore_trace'(_324230, _324232))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_324230, _324232))
(%COMMENT  ";;      where premises and conclusion have the form (: TERM TYPE)." 42 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
 ; line: 73 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1729639325.4761322), arg(1, t(1729639325.4761322), 1729639320.1364253), 5.339706897735596 is 1729639325.4761322-1729639320.1364253, 5.339706897735596>4), (nb_setarg(1, t(1729639325.4761322), 1729639325.4761322), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 8)
   Call: (175) [system] atom(8+1)
   Call: (175) [system] set_flag(translated_forms, 9)
   Exit: (175) [system] set_flag(translated_forms, 9)
   Exit: (174) [$syspreds] update_flag(translated_forms, 8, 8+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 8, 8+1))
   Exit: (171) [$syspreds] flag(translated_forms, 8, 8+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1729639320_140374, 73)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1729639320_140374, 73)
^  Exit: (169) [system] once(user:(if_t((get_time(1729639325.4761322), arg(1, t(1729639325.4761322), 1729639320.1364253), 5.339706897735596 is 1729639325.4761322-1729639320.1364253, 5.339706897735596>4), (nb_setarg(1, t(1729639325.4761322), 1729639325.4761322), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 8, 8+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1729639320_140374, 73)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 82)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 82))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 82))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _371788)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _379210)
   Exit: (175) [system] peek_char((0x560c892e10d0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _387548)
   Exit: (177) [system] peek_char((0x560c892e10d0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _390334=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _392202, _392204, _392206, _392208), read_sexpr((0x560c892e10d0), _392220), assertz(metta_file_comment(_392202, _392204, _392206, _392220, _392208))))
^  Call: (179) [user] read_position((0x560c892e10d0), _392202, _392204, _392206, _392208)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_392208))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_392208))
   Exit: (181) [system] nonvar(position(_392208))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _392202)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _402460)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _392202)
   Exit: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _392204)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _409894)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _392204)
   Exit: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _392206)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _417328)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _392206)
   Exit: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (179) [user] read_position((0x560c892e10d0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _392220)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _392220)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _427554)
   Exit: (182) [system] peek_char((0x560c892e10d0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] read_position((0x560c892e10d0), _432192, _432194, _432196, _432198)
   Call: (184) [system] stream_property((0x560c892e10d0), position(_432198))
   Call: (185) [system] nonvar((0x560c892e10d0))
   Exit: (185) [system] nonvar((0x560c892e10d0))
   Call: (185) [system] nonvar(position(_432198))
   Exit: (185) [system] nonvar(position(_432198))
   Exit: (184) [system] stream_property((0x560c892e10d0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _432192)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _441486)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _432192)
   Exit: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _432194)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _448920)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _432194)
   Exit: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _432196)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _456354)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _432196)
   Exit: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (183) [user] read_position((0x560c892e10d0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
   Call: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), _461948)
   Call: (184) [system] read_string((0x560c892e10d0), '\n', '\r', _462878, _462880)
   Exit: (184) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; Quintenary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _461948=";; Quintenary rule"
   Exit: (184) [system] ";; Quintenary rule"=";; Quintenary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; Quintenary rule")
^  Call: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (182) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _473140)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _490074)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _392220)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _495644)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _511654)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _517224)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _519082)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _535092)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _517224)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _552734)
   Call: (185) [system] peek_char((0x560c892e10d0), _553668)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _552734=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _517224)
^  Call: (185) [user] classify_and_convert_charseq_([=], _562952)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_563904, _563906), once(user:catch(read_from_chars([=], _562952), _563886, fail)), '$restore_trace'(_563904, _563906))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_563904, _563906))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _563886, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _517224=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _576032)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _577890)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _587484)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _590188)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _607122)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _612692)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _614550)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _630560)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _612692)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _636130)
   Exit: (186) [system] peek_char((0x560c892e10d0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _652140)
   Exit: (185) [system] peek_char((0x560c892e10d0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _657710)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _659568)
   Exit: (187) [system] peek_char((0x560c892e10d0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _675578)
   Exit: (186) [system] get_char((0x560c892e10d0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), s, _657710)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _693220)
   Call: (188) [system] peek_char((0x560c892e10d0), _694154)
   Exit: (188) [system] peek_char((0x560c892e10d0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_698874, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_699806, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x560c892e10d0), y)
   Exit: (188) [system] get_char((0x560c892e10d0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _707156)
   Call: (189) [system] peek_char((0x560c892e10d0), _708090)
   Exit: (189) [system] peek_char((0x560c892e10d0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_712810, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_713742, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x560c892e10d0), n)
   Exit: (189) [system] get_char((0x560c892e10d0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _721092)
   Call: (190) [system] peek_char((0x560c892e10d0), _722026)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_726746, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_727678, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _735028)
   Call: (191) [system] peek_char((0x560c892e10d0), _735962)
   Exit: (191) [system] peek_char((0x560c892e10d0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_740682, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_741614, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x560c892e10d0), h)
   Exit: (191) [system] get_char((0x560c892e10d0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _748964)
   Call: (192) [system] peek_char((0x560c892e10d0), _749898)
   Exit: (192) [system] peek_char((0x560c892e10d0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_754618, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_755550, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x560c892e10d0), e)
   Exit: (192) [system] get_char((0x560c892e10d0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _762900)
   Call: (193) [system] peek_char((0x560c892e10d0), _763834)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_768554, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_769486, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _776836)
   Call: (194) [system] peek_char((0x560c892e10d0), _777770)
   Exit: (194) [system] peek_char((0x560c892e10d0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_782490, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_783422, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x560c892e10d0), i)
   Exit: (194) [system] get_char((0x560c892e10d0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _790772)
   Call: (195) [system] peek_char((0x560c892e10d0), _791706)
   Exit: (195) [system] peek_char((0x560c892e10d0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_796426, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_797358, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x560c892e10d0), z)
   Exit: (195) [system] get_char((0x560c892e10d0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _804708)
   Call: (196) [system] peek_char((0x560c892e10d0), _805642)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_810362, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_811294, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _818644)
   Call: (197) [system] peek_char((0x560c892e10d0), _819578)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _818644=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _804708=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (195) [system] _790772=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (194) [system] _776836=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (193) [system] _762900=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (192) [system] _748964=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (191) [system] _735028=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (190) [system] _721092=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (189) [system] _707156=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _693220=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _657710)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _854008)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_854960, _854962), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _854008), _854942, fail)), '$restore_trace'(_854960, _854962))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_854960, _854962))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _854942, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _657710=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _867088)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _868946)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _878540)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _881244)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _898178)
   Exit: (186) [system] peek_char((0x560c892e10d0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _903748)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _905606)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _921616)
   Exit: (187) [system] get_char((0x560c892e10d0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _903748)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _939258)
   Call: (189) [system] peek_char((0x560c892e10d0), _940192)
   Exit: (189) [system] peek_char((0x560c892e10d0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_944912, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_945844, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x560c892e10d0), q)
   Exit: (189) [system] get_char((0x560c892e10d0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _953194)
   Call: (190) [system] peek_char((0x560c892e10d0), _954128)
   Exit: (190) [system] peek_char((0x560c892e10d0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_958848, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_959780, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x560c892e10d0), u)
   Exit: (190) [system] get_char((0x560c892e10d0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _967130)
   Call: (191) [system] peek_char((0x560c892e10d0), _968064)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_972784, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_973716, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _981066)
   Call: (192) [system] peek_char((0x560c892e10d0), _982000)
   Exit: (192) [system] peek_char((0x560c892e10d0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_986720, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_987652, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x560c892e10d0), r)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _995002)
   Call: (193) [system] peek_char((0x560c892e10d0), _995936)
   Exit: (193) [system] peek_char((0x560c892e10d0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1000656, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1001588, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x560c892e10d0), y)
   Exit: (193) [system] get_char((0x560c892e10d0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1008938)
   Call: (194) [system] peek_char((0x560c892e10d0), _1009872)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1008938=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _995002=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (192) [system] _981066=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (191) [system] _967130=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (190) [system] _953194=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (189) [system] _939258=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _903748)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1033126)
   Call: (190) [system] atom_chars(_1034058, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _903748=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1043350)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1045208)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1054802)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1057506)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1074440)
   Exit: (187) [system] peek_char((0x560c892e10d0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1080010)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1081868)
   Exit: (189) [system] peek_char((0x560c892e10d0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1097878)
   Exit: (188) [system] get_char((0x560c892e10d0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _1080010)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1115520)
   Call: (190) [system] peek_char((0x560c892e10d0), _1116454)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1121174, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1122106, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x560c892e10d0), k)
   Exit: (190) [system] get_char((0x560c892e10d0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1129456)
   Call: (191) [system] peek_char((0x560c892e10d0), _1130390)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1135110, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1136042, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1143392)
   Call: (192) [system] peek_char((0x560c892e10d0), _1144326)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1143392=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1129456=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (190) [system] _1115520=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1080010)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1159198)
   Call: (191) [system] atom_chars(_1160130, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1080010=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1169422)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1171280)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1180874)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1183578)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1200512)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1206082)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1207940)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1223950)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _1206082)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1241592)
   Call: (191) [system] peek_char((0x560c892e10d0), _1242526)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1247246, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1248178, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1255528)
   Call: (192) [system] peek_char((0x560c892e10d0), _1256462)
   Exit: (192) [system] peek_char((0x560c892e10d0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1261182, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1262114, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x560c892e10d0), b)
   Exit: (192) [system] get_char((0x560c892e10d0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1269464)
   Call: (193) [system] peek_char((0x560c892e10d0), _1270398)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1269464=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (192) [system] _1255528=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (191) [system] _1241592=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1206082)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1285270)
   Call: (192) [system] atom_chars(_1286202, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1206082=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1295494)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1297352)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1306946)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1309650)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1326584)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1332154)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1334012)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1350022)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1332154)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1355592)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1371602)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1377172)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1379030)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1395040)
   Exit: (192) [system] get_char((0x560c892e10d0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', _1377172)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1412682)
   Call: (194) [system] peek_char((0x560c892e10d0), _1413616)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1412682=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1377172)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1422900)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1423852, _1423854), once(user:catch(read_from_chars(['S'], _1422900), _1423834, fail)), '$restore_trace'(_1423852, _1423854))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1423852, _1423854))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1422900), _1423834, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1422900)
   Fail: (195) [system] atomic(_1422900)
   Call: (195) [system] atom_chars(_1422900, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1377172='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1437850)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1439708)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1449302)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1452006)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1468940)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1474510)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1476368)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1492378)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1474510)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1510020)
   Call: (195) [system] peek_char((0x560c892e10d0), _1510954)
   Exit: (195) [system] peek_char((0x560c892e10d0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1515674, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1516606, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x560c892e10d0), k)
   Exit: (195) [system] get_char((0x560c892e10d0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1523956)
   Call: (196) [system] peek_char((0x560c892e10d0), _1524890)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1529610, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1523956=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1510020=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1474510)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1538840)
   Call: (196) [system] atom_chars(_1539772, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1474510=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1549064)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1550922)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1566932)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1570722)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1549064=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1437850=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (191) [system] _1332154=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1581810)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1583668)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1599678)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _1603468)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1581810=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _1295494=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [['S', _k]])
   Call: (188) [system] _1169422=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_rb, ['S', _k]])
   Call: (187) [system] _1043350=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _867088=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _612692=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1622938)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1624796)
   Exit: (185) [system] peek_char((0x560c892e10d0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x560c892e10d0), _1636246)
   Exit: (185) [system] get_char((0x560c892e10d0), '\n')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1638950)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1648544)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1651248)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1660842)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1663546)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1673140)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1675844)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1695550)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1701120)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1702978)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1718988)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1701120)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1724558)
   Exit: (187) [system] peek_char((0x560c892e10d0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1740568)
   Exit: (186) [system] peek_char((0x560c892e10d0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1746138)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1747996)
   Exit: (188) [system] peek_char((0x560c892e10d0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1764006)
   Exit: (187) [system] get_char((0x560c892e10d0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), l, _1746138)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1781648)
   Call: (189) [system] peek_char((0x560c892e10d0), _1782582)
   Exit: (189) [system] peek_char((0x560c892e10d0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1787302, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1788234, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x560c892e10d0), e)
   Exit: (189) [system] get_char((0x560c892e10d0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1795584)
   Call: (190) [system] peek_char((0x560c892e10d0), _1796518)
   Exit: (190) [system] peek_char((0x560c892e10d0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1801238, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1802170, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x560c892e10d0), t)
   Exit: (190) [system] get_char((0x560c892e10d0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1809520)
   Call: (191) [system] peek_char((0x560c892e10d0), _1810454)
   Exit: (191) [system] peek_char((0x560c892e10d0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1815174, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1816106, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x560c892e10d0), *)
   Exit: (191) [system] get_char((0x560c892e10d0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1823456)
   Call: (192) [system] peek_char((0x560c892e10d0), _1824390)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1823456=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1809520=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [*])
   Call: (190) [system] _1795584=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, *])
   Call: (189) [system] _1781648=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1746138)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1842056)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1843008, _1843010), once(user:catch(read_from_chars([l, e, t, *], _1842056), _1842990, fail)), '$restore_trace'(_1843008, _1843010))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1843008, _1843010))
   Call: (190) [system] atom_chars(_3466, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3436='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), 'let*')
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _12832)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _14690)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _24284)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _26988)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _43922)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _49492)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _51350)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _67360)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _49492)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _72930)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _88940)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _94510)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _96368)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _112378)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _94510)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _117948)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _133958)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _139528)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _141386)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _157396)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _139528)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _162966)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _178976)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _184546)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _186404)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _202414)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _184546)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _220056)
   Call: (196) [system] peek_char((0x560c892e10d0), _220990)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184546)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230274)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231226, _231228), once(user:catch(read_from_chars([:], _230274), _231208, fail)), '$restore_trace'(_231226, _231228))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231226, _231228))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231208, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184546=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _243354)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _245212)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _254806)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _257510)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _274444)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _280014)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _281872)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _297882)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _280014)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _315524)
   Call: (197) [system] peek_char((0x560c892e10d0), _316458)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321178, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322110, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _329460)
   Call: (198) [system] peek_char((0x560c892e10d0), _330394)
   Exit: (198) [system] peek_char((0x560c892e10d0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335114, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336046, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x560c892e10d0), u)
   Exit: (198) [system] get_char((0x560c892e10d0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _343396)
   Call: (199) [system] peek_char((0x560c892e10d0), _344330)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349050, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349982, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _357332)
   Call: (200) [system] peek_char((0x560c892e10d0), _358266)
   Exit: (200) [system] peek_char((0x560c892e10d0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362986, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363918, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x560c892e10d0), t)
   Exit: (200) [system] get_char((0x560c892e10d0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _371268)
   Call: (201) [system] peek_char((0x560c892e10d0), _372202)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376922, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377854, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _385204)
   Call: (202) [system] peek_char((0x560c892e10d0), _386138)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390858, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391790, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _399140)
   Call: (203) [system] peek_char((0x560c892e10d0), _400074)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399140=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _385204=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (201) [system] _371268=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (200) [system] _357332=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (199) [system] _343396=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (198) [system] _329460=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (197) [system] _315524=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280014)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426122)
   Call: (198) [system] atom_chars(_427054, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280014=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _436346)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _438204)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _447798)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _450502)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _467436)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _473006)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _474864)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _490874)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _473006)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _496444)
   Exit: (198) [system] peek_char((0x560c892e10d0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _512454)
   Exit: (197) [system] peek_char((0x560c892e10d0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _518024)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _519882)
   Exit: (199) [system] peek_char((0x560c892e10d0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _535892)
   Exit: (198) [system] get_char((0x560c892e10d0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), -, _518024)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _553534)
   Call: (200) [system] peek_char((0x560c892e10d0), _554468)
   Exit: (200) [system] peek_char((0x560c892e10d0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559188, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560120, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x560c892e10d0), >)
   Exit: (200) [system] get_char((0x560c892e10d0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _567470)
   Call: (201) [system] peek_char((0x560c892e10d0), _568404)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567470=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _553534=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518024)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580482)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581434, _581436), once(user:catch(read_from_chars([-, >], _580482), _581416, fail)), '$restore_trace'(_581434, _581436))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581434, _581436))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581416, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518024=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _593562)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _595420)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _605014)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607718)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _624652)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _630222)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _632080)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _648090)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _630222)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _665732)
   Call: (201) [system] peek_char((0x560c892e10d0), _666666)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671386, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672318, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _679668)
   Call: (202) [system] peek_char((0x560c892e10d0), _680602)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685322, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686254, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _693604)
   Call: (203) [system] peek_char((0x560c892e10d0), _694538)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699258, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700190, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _707540)
   Call: (204) [system] peek_char((0x560c892e10d0), _708474)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713194, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714126, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _721476)
   Call: (205) [system] peek_char((0x560c892e10d0), _722410)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727130, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728062, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _735412)
   Call: (206) [system] peek_char((0x560c892e10d0), _736346)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741066, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741998, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _749348)
   Call: (207) [system] peek_char((0x560c892e10d0), _750282)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_755002, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755934, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _763284)
   Call: (208) [system] peek_char((0x560c892e10d0), _764218)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768938, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769870, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _777220)
   Call: (209) [system] peek_char((0x560c892e10d0), _778154)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _763284=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _749348=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (206) [system] _735412=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (205) [system] _721476=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (204) [system] _707540=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (203) [system] _693604=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679668=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665732=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630222)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809790)
   Call: (202) [system] atom_chars(_810722, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630222=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _820014)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _821872)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _831466)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _834170)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _851104)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _856674)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _858532)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _874542)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _856674)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _892184)
   Call: (202) [system] peek_char((0x560c892e10d0), _893118)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897838, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898770, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _906120)
   Call: (203) [system] peek_char((0x560c892e10d0), _907054)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911774, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912706, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _920056)
   Call: (204) [system] peek_char((0x560c892e10d0), _920990)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925710, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926642, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _933992)
   Call: (205) [system] peek_char((0x560c892e10d0), _934926)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939646, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940578, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _947928)
   Call: (206) [system] peek_char((0x560c892e10d0), _948862)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953582, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954514, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _961864)
   Call: (207) [system] peek_char((0x560c892e10d0), _962798)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967518, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968450, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _975800)
   Call: (208) [system] peek_char((0x560c892e10d0), _976734)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _989736)
   Call: (209) [system] peek_char((0x560c892e10d0), _990670)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995390, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996322, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003672)
   Call: (210) [system] peek_char((0x560c892e10d0), _1004606)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _989736=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _975800=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (207) [system] _961864=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (206) [system] _947928=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (205) [system] _933992=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (204) [system] _920056=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906120=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892184=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856674)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036242)
   Call: (203) [system] atom_chars(_1037174, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856674=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1046466)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1048324)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1057918)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1060622)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1077556)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1083126)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1084984)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1100994)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1083126)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118636)
   Call: (203) [system] peek_char((0x560c892e10d0), _1119570)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124290, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125222, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132572)
   Call: (204) [system] peek_char((0x560c892e10d0), _1133506)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138226, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139158, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146508)
   Call: (205) [system] peek_char((0x560c892e10d0), _1147442)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152162, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153094, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160444)
   Call: (206) [system] peek_char((0x560c892e10d0), _1161378)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166098, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167030, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174380)
   Call: (207) [system] peek_char((0x560c892e10d0), _1175314)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180034, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180966, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188316)
   Call: (208) [system] peek_char((0x560c892e10d0), _1189250)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193970, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194902, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202252)
   Call: (209) [system] peek_char((0x560c892e10d0), _1203186)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207906, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208838, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216188)
   Call: (210) [system] peek_char((0x560c892e10d0), _1217122)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221842, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222774, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230124)
   Call: (211) [system] peek_char((0x560c892e10d0), _1231058)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230124=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1216188=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _1202252=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (208) [system] _1188316=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (207) [system] _1174380=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (206) [system] _1160444=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (205) [system] _1146508=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132572=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118636=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083126)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262694)
   Call: (204) [system] atom_chars(_1263626, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083126=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1272918)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1274776)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1284370)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1287074)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1304008)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1309578)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1311436)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1327446)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1309578)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1345088)
   Call: (204) [system] peek_char((0x560c892e10d0), _1346022)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350742, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351674, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1359024)
   Call: (205) [system] peek_char((0x560c892e10d0), _1359958)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364678, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365610, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372960)
   Call: (206) [system] peek_char((0x560c892e10d0), _1373894)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378614, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379546, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386896)
   Call: (207) [system] peek_char((0x560c892e10d0), _1387830)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392550, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393482, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1400832)
   Call: (208) [system] peek_char((0x560c892e10d0), _1401766)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406486, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407418, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414768)
   Call: (209) [system] peek_char((0x560c892e10d0), _1415702)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420422, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421354, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1428704)
   Call: (210) [system] peek_char((0x560c892e10d0), _1429638)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434358, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435290, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442640)
   Call: (211) [system] peek_char((0x560c892e10d0), _1443574)
   Exit: (211) [system] peek_char((0x560c892e10d0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448294, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449226, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x560c892e10d0), '4')
   Exit: (211) [system] get_char((0x560c892e10d0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1456576)
   Call: (212) [system] peek_char((0x560c892e10d0), _1457510)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456576=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1442640=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (210) [system] _1428704=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (209) [system] _1414768=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (208) [system] _1400832=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (207) [system] _1386896=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (206) [system] _1372960=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359024=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345088=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309578)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489146)
   Call: (205) [system] atom_chars(_1490078, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309578=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1499370)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1501228)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1510822)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1513526)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1530460)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1536030)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1537888)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1553898)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1536030)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1571540)
   Call: (205) [system] peek_char((0x560c892e10d0), _1572474)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1577194, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1578126, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1585476)
   Call: (206) [system] peek_char((0x560c892e10d0), _1586410)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1591130, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1592062, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599412)
   Call: (207) [system] peek_char((0x560c892e10d0), _1600346)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1605066, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1605998, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1613348)
   Call: (208) [system] peek_char((0x560c892e10d0), _1614282)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1619002, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1619934, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1627284)
   Call: (209) [system] peek_char((0x560c892e10d0), _1628218)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1632938, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1633870, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641220)
   Call: (210) [system] peek_char((0x560c892e10d0), _1642154)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1646874, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1647806, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655156)
   Call: (211) [system] peek_char((0x560c892e10d0), _1656090)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1660810, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1661742, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669092)
   Call: (212) [system] peek_char((0x560c892e10d0), _1670026)
   Exit: (212) [system] peek_char((0x560c892e10d0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1674746, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1675678, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x560c892e10d0), '5')
   Exit: (212) [system] get_char((0x560c892e10d0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683028)
   Call: (213) [system] peek_char((0x560c892e10d0), _1683962)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1683028=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1669092=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (211) [system] _1655156=[e, '5']
   Exit: (211) [system] [e, '5']=[e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '5'])
   Call: (210) [system] _1641220=[s, e, '5']
   Exit: (210) [system] [s, e, '5']=[s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '5'])
   Call: (209) [system] _1627284=[i, s, e, '5']
   Exit: (209) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '5'])
   Call: (208) [system] _1613348=[m, i, s, e, '5']
   Exit: (208) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '5'])
   Call: (207) [system] _1599412=[e, m, i, s, e, '5']
   Exit: (207) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '5'])
   Call: (206) [system] _1585476=[r, e, m, i, s, e, '5']
   Exit: (206) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '5'])
   Call: (205) [system] _1571540=[p, r, e, m, i, s, e, '5']
   Exit: (205) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1536030)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1715598)
   Call: (206) [system] atom_chars(_1716530, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (206) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (205) [system] integer(_premise5)
   Fail: (205) [system] integer(_premise5)
   Call: (205) [system] _1536030=_premise5
   Exit: (205) [system] _premise5=_premise5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _premise5)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _premise5)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1725822)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1727680)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1737274)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1739978)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1756912)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1762482)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1764340)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1780350)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1762482)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1797992)
   Call: (206) [system] peek_char((0x560c892e10d0), _1798926)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1803646, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1804578, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1811928)
   Call: (207) [system] peek_char((0x560c892e10d0), _1812862)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1817582, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1818514, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1825864)
   Call: (208) [system] peek_char((0x560c892e10d0), _1826798)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1831518, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1832450, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1839800)
   Call: (209) [system] peek_char((0x560c892e10d0), _1840734)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1845454, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1846386, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1853736)
   Call: (210) [system] peek_char((0x560c892e10d0), _1854670)
   Exit: (210) [system] peek_char((0x560c892e10d0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1859390, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1860322, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x560c892e10d0), l)
   Exit: (210) [system] get_char((0x560c892e10d0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1867672)
   Call: (211) [system] peek_char((0x560c892e10d0), _1868606)
   Exit: (211) [system] peek_char((0x560c892e10d0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1873326, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1874258, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x560c892e10d0), u)
   Exit: (211) [system] get_char((0x560c892e10d0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1881608)
   Call: (212) [system] peek_char((0x560c892e10d0), _1882542)
   Exit: (212) [system] peek_char((0x560c892e10d0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1887262, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1888194, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x560c892e10d0), s)
   Exit: (212) [system] get_char((0x560c892e10d0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1895544)
   Call: (213) [system] peek_char((0x560c892e10d0), _1896478)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1901198, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1902130, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1909480)
   Call: (214) [system] peek_char((0x560c892e10d0), _1910414)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1915134, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1916066, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1923416)
   Call: (215) [system] peek_char((0x560c892e10d0), _1924350)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1929070, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1930002, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1937352)
   Call: (216) [system] peek_char((0x560c892e10d0), _1938286)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1943006, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1937352=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1923416=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (214) [system] _1909480=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (213) [system] _1895544=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (212) [system] _1881608=[s, i, o, n]
   Exit: (212) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (211) [system] _1867672=[u, s, i, o, n]
   Exit: (211) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (210) [system] _1853736=[l, u, s, i, o, n]
   Exit: (210) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (209) [system] _1839800=[c, l, u, s, i, o, n]
   Exit: (209) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (208) [system] _1825864=[n, c, l, u, s, i, o, n]
   Exit: (208) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (207) [system] _1811928=[o, n, c, l, u, s, i, o, n]
   Exit: (207) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (206) [system] _1797992=[c, o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1762482)
^  Call: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1977382)
   Call: (207) [system] atom_chars(_1978314, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (207) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (206) [system] integer(_conclusion)
   Fail: (206) [system] integer(_conclusion)
   Call: (206) [system] _1762482=_conclusion
   Exit: (206) [system] _conclusion=_conclusion
^  Exit: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1987606)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1989464)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2005474)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _2009264)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1987606=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1725822=[_conclusion]
   Exit: (203) [system] [_conclusion]=[_conclusion]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (202) [system] _1499370=[_premise5, _conclusion]
   Exit: (202) [system] [_premise5, _conclusion]=[_premise5, _conclusion]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_premise5, _conclusion])
   Call: (201) [system] _1272918=[_premise4, _premise5, _conclusion]
   Exit: (201) [system] [_premise4, _premise5, _conclusion]=[_premise4, _premise5, _conclusion]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise4, _premise5, _conclusion])
   Call: (200) [system] _1046466=[_premise3, _premise4, _premise5, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _premise5, _conclusion]=[_premise3, _premise4, _premise5, _conclusion]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_premise3, _premise4, _premise5, _conclusion])
   Call: (199) [system] _820014=[_premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (198) [system] _593562=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (197) [system] _473006=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _2034322)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2036180)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2052190)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _2055980)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _2034322=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _436346=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (194) [system] _243354=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (193) [system] _139528=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _2069862)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2071720)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _2081314)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2084018)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _7774)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _13344)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _15202)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _31212)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _13344)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _36782)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _52792)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _58362)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _60220)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _76230)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _58362)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _93872)
   Call: (197) [system] peek_char((0x560c892e10d0), _94806)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_99526, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_100458, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _107808)
   Call: (198) [system] peek_char((0x560c892e10d0), _108742)
   Exit: (198) [system] peek_char((0x560c892e10d0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_113462, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_114394, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x560c892e10d0), b)
   Exit: (198) [system] get_char((0x560c892e10d0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _121744)
   Call: (199) [system] peek_char((0x560c892e10d0), _122678)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_127398, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _121744=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _107808=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (197) [system] _93872=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _58362)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _139422)
   Call: (198) [system] atom_chars(_140354, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _58362=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _149646)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _151504)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _167514)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _171304)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _149646=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _13344=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [_rb])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _179598)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _181456)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _197466)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _201256)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _179598=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _3544=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[_rb]])
   Call: (191) [system] _3448=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _212344)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _214202)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _225652)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _228356)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _237950)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _240654)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _250248)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _252952)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _262546)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _265250)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _274844)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _277548)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _287142)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _289846)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _299440)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _302144)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _311738)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _314442)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _324036)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _326740)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _336334)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _339038)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _348632)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _351336)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _377510)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _383080)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _384938)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _400948)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _383080)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _406518)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _422528)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _428098)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _429956)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _445966)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _428098)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _451536)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _467546)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _473116)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _474974)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _490984)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _473116)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _508626)
   Call: (197) [system] peek_char((0x560c892e10d0), _509560)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _508626=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _473116)
^  Call: (197) [user] classify_and_convert_charseq_([:], _518844)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_519796, _519798), once(user:catch(read_from_chars([:], _518844), _519778, fail)), '$restore_trace'(_519796, _519798))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_519796, _519798))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _519778, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _473116=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _531924)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _533782)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _543376)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _546080)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _563014)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _568584)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _570442)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _586452)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _568584)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _592022)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _608032)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _613602)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _615460)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _631470)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _613602)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _649112)
   Call: (200) [system] peek_char((0x560c892e10d0), _650046)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_654766, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_655698, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _663048)
   Call: (201) [system] peek_char((0x560c892e10d0), _663982)
   Exit: (201) [system] peek_char((0x560c892e10d0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_668702, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_669634, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x560c892e10d0), u)
   Exit: (201) [system] get_char((0x560c892e10d0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _676984)
   Call: (202) [system] peek_char((0x560c892e10d0), _677918)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_682638, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_683570, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _690920)
   Call: (203) [system] peek_char((0x560c892e10d0), _691854)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_696574, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_697506, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _704856)
   Call: (204) [system] peek_char((0x560c892e10d0), _705790)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_710510, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_711442, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _718792)
   Call: (205) [system] peek_char((0x560c892e10d0), _719726)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_724446, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_725378, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _732728)
   Call: (206) [system] peek_char((0x560c892e10d0), _733662)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _732728=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _718792=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
   Call: (204) [system] _704856=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, r])
   Call: (203) [system] _690920=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, r])
   Call: (202) [system] _676984=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, o, r])
   Call: (201) [system] _663048=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, o, r])
   Call: (200) [system] _649112=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _613602)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _759710)
   Call: (201) [system] atom_chars(_760642, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _613602=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _ructor)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _769934)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _771792)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _781386)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _784090)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _801024)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _806594)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _808452)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _824462)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _806594)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _842104)
   Call: (201) [system] peek_char((0x560c892e10d0), _843038)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_847758, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_848690, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _856040)
   Call: (202) [system] peek_char((0x560c892e10d0), _856974)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_861694, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_862626, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _869976)
   Call: (203) [system] peek_char((0x560c892e10d0), _870910)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_875630, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_876562, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _883912)
   Call: (204) [system] peek_char((0x560c892e10d0), _884846)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_889566, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_890498, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _897848)
   Call: (205) [system] peek_char((0x560c892e10d0), _898782)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_903502, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_904434, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _911784)
   Call: (206) [system] peek_char((0x560c892e10d0), _912718)
   Exit: (206) [system] peek_char((0x560c892e10d0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_917438, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_918370, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x560c892e10d0), '1')
   Exit: (206) [system] get_char((0x560c892e10d0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _925720)
   Call: (207) [system] peek_char((0x560c892e10d0), _926654)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _925720=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _911784=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (205) [system] _897848=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (204) [system] _883912=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (203) [system] _869976=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (202) [system] _856040=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (201) [system] _842104=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _806594)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _952702)
   Call: (202) [system] atom_chars(_953634, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _806594=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _962926)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _964784)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _974378)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _977082)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _994016)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _999586)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1001444)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1017454)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _999586)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1035096)
   Call: (202) [system] peek_char((0x560c892e10d0), _1036030)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1040750, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1041682, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1049032)
   Call: (203) [system] peek_char((0x560c892e10d0), _1049966)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1054686, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1055618, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1062968)
   Call: (204) [system] peek_char((0x560c892e10d0), _1063902)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1068622, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1069554, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1076904)
   Call: (205) [system] peek_char((0x560c892e10d0), _1077838)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1082558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1083490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1090840)
   Call: (206) [system] peek_char((0x560c892e10d0), _1091774)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1096494, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_1097426, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104776)
   Call: (207) [system] peek_char((0x560c892e10d0), _1105710)
   Exit: (207) [system] peek_char((0x560c892e10d0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_1110430, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_1111362, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x560c892e10d0), '2')
   Exit: (207) [system] get_char((0x560c892e10d0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118712)
   Call: (208) [system] peek_char((0x560c892e10d0), _1119646)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1118712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1104776=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (206) [system] _1090840=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (205) [system] _1076904=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (204) [system] _1062968=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (203) [system] _1049032=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (202) [system] _1035096=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _999586)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1145694)
   Call: (203) [system] atom_chars(_1146626, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _999586=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1155918)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1157776)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1167370)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1170074)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1187008)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1192578)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1194436)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1210446)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1192578)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228088)
   Call: (203) [system] peek_char((0x560c892e10d0), _1229022)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1233742, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1234674, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242024)
   Call: (204) [system] peek_char((0x560c892e10d0), _1242958)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1247678, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1248610, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1255960)
   Call: (205) [system] peek_char((0x560c892e10d0), _1256894)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1261614, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1262546, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1269896)
   Call: (206) [system] peek_char((0x560c892e10d0), _1270830)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1275550, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1276482, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1283832)
   Call: (207) [system] peek_char((0x560c892e10d0), _1284766)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1289486, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1290418, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297768)
   Call: (208) [system] peek_char((0x560c892e10d0), _1298702)
   Exit: (208) [system] peek_char((0x560c892e10d0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1303422, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1304354, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x560c892e10d0), '3')
   Exit: (208) [system] get_char((0x560c892e10d0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1311704)
   Call: (209) [system] peek_char((0x560c892e10d0), _1312638)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1311704=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1297768=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (207) [system] _1283832=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (206) [system] _1269896=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (205) [system] _1255960=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (204) [system] _1242024=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (203) [system] _1228088=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1192578)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1338686)
   Call: (204) [system] atom_chars(_1339618, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _1192578=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1348910)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1350768)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1360362)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1363066)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1380000)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1385570)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1387428)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1403438)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1385570)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1421080)
   Call: (204) [system] peek_char((0x560c892e10d0), _1422014)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1426734, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1427666, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1435016)
   Call: (205) [system] peek_char((0x560c892e10d0), _1435950)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1440670, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1441602, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1448952)
   Call: (206) [system] peek_char((0x560c892e10d0), _1449886)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1454606, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1455538, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1462888)
   Call: (207) [system] peek_char((0x560c892e10d0), _1463822)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1468542, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1469474, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1476824)
   Call: (208) [system] peek_char((0x560c892e10d0), _1477758)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1482478, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1483410, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1490760)
   Call: (209) [system] peek_char((0x560c892e10d0), _1491694)
   Exit: (209) [system] peek_char((0x560c892e10d0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1496414, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1497346, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x560c892e10d0), '4')
   Exit: (209) [system] get_char((0x560c892e10d0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1504696)
   Call: (210) [system] peek_char((0x560c892e10d0), _1505630)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1504696=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1490760=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (208) [system] _1476824=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (207) [system] _1462888=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (206) [system] _1448952=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (205) [system] _1435016=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (204) [system] _1421080=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1385570)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1531678)
   Call: (205) [system] atom_chars(_1532610, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1385570=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1541902)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1543760)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1553354)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1556058)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1572992)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1578562)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1580420)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1596430)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1578562)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1614072)
   Call: (205) [system] peek_char((0x560c892e10d0), _1615006)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1619726, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1620658, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1628008)
   Call: (206) [system] peek_char((0x560c892e10d0), _1628942)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1633662, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1634594, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641944)
   Call: (207) [system] peek_char((0x560c892e10d0), _1642878)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1647598, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1648530, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655880)
   Call: (208) [system] peek_char((0x560c892e10d0), _1656814)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1661534, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1662466, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669816)
   Call: (209) [system] peek_char((0x560c892e10d0), _1670750)
   Exit: (209) [system] peek_char((0x560c892e10d0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1675470, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1676402, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x560c892e10d0), f)
   Exit: (209) [system] get_char((0x560c892e10d0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683752)
   Call: (210) [system] peek_char((0x560c892e10d0), _1684686)
   Exit: (210) [system] peek_char((0x560c892e10d0), '5')
^  Call: (210) [user] is_delimiter('5')
   Call: (211) [system] char_type('5', space)
   Fail: (211) [system] char_type('5', space)
   Call: (211) [system] arg(_1689406, v('(', ')', end_of_file), '5')
   Fail: (211) [system] arg(_1690338, v('(', ')', end_of_file), '5')
^  Fail: (210) [user] is_delimiter('5')
   Call: (210) [system] ')'=='5'
   Fail: (210) [system] ')'=='5'
   Call: (210) [system] get_char((0x560c892e10d0), '5')
   Exit: (210) [system] get_char((0x560c892e10d0), '5')
   Call: (210) [system] '5'=(\)
   Fail: (210) [system] '5'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697688)
   Call: (211) [system] peek_char((0x560c892e10d0), _1698622)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1703342, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1697688=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1683752=['5']
   Exit: (210) [system] ['5']=['5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (209) [system] _1669816=[f, '5']
   Exit: (209) [system] [f, '5']=[f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '5'])
   Call: (208) [system] _1655880=[o, f, '5']
   Exit: (208) [system] [o, f, '5']=[o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '5'])
   Call: (207) [system] _1641944=[o, o, f, '5']
   Exit: (207) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '5'])
   Call: (206) [system] _1628008=[r, o, o, f, '5']
   Exit: (206) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '5'])
   Call: (205) [system] _1614072=[p, r, o, o, f, '5']
   Exit: (205) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1578562)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1726542)
   Call: (206) [system] atom_chars(_1727474, ['_', p, r, o, o, f, '5'])
   Exit: (206) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (205) [system] integer(_proof5)
   Fail: (205) [system] integer(_proof5)
   Call: (205) [system] _1578562=_proof5
   Exit: (205) [system] _proof5=_proof5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _proof5)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _proof5)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1736766)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1738624)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1754634)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1758424)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1736766=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1541902=[_proof5]
   Exit: (202) [system] [_proof5]=[_proof5]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_proof5])
   Call: (201) [system] _1348910=[_proof4, _proof5]
   Exit: (201) [system] [_proof4, _proof5]=[_proof4, _proof5]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof4, _proof5])
   Call: (200) [system] _1155918=[_proof3, _proof4, _proof5]
   Exit: (200) [system] [_proof3, _proof4, _proof5]=[_proof3, _proof4, _proof5]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof3, _proof4, _proof5])
   Call: (199) [system] _962926=[_proof2, _proof3, _proof4, _proof5]
   Exit: (199) [system] [_proof2, _proof3, _proof4, _proof5]=[_proof2, _proof3, _proof4, _proof5]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof2, _proof3, _proof4, _proof5])
   Call: (198) [system] _769934=[_proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4, _proof5]=[_proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof1, _proof2, _proof3, _proof4, _proof5])
   Call: (197) [system] _568584=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1780688)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1782546)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1792140)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1794844)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1811778)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1817348)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1819206)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1835216)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1817348)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1852858)
   Call: (199) [system] peek_char((0x560c892e10d0), _1853792)
   Exit: (199) [system] peek_char((0x560c892e10d0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1858512, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1859444, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x560c892e10d0), c)
   Exit: (199) [system] get_char((0x560c892e10d0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1866794)
   Call: (200) [system] peek_char((0x560c892e10d0), _1867728)
   Exit: (200) [system] peek_char((0x560c892e10d0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1872448, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1873380, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x560c892e10d0), o)
   Exit: (200) [system] get_char((0x560c892e10d0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1880730)
   Call: (201) [system] peek_char((0x560c892e10d0), _1881664)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1886384, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1887316, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1894666)
   Call: (202) [system] peek_char((0x560c892e10d0), _1895600)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1900320, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1901252, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1908602)
   Call: (203) [system] peek_char((0x560c892e10d0), _1909536)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1914256, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1915188, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1922538)
   Call: (204) [system] peek_char((0x560c892e10d0), _1923472)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1928192, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1929124, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1936474)
   Call: (205) [system] peek_char((0x560c892e10d0), _1937408)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1942128, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1943060, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1950410)
   Call: (206) [system] peek_char((0x560c892e10d0), _1951344)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1956064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1956996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1964346)
   Call: (207) [system] peek_char((0x560c892e10d0), _1965280)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1970000, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1970932, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1978282)
   Call: (208) [system] peek_char((0x560c892e10d0), _1979216)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1983936, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1984868, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1992218)
   Call: (209) [system] peek_char((0x560c892e10d0), _1993152)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1997872, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1992218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1978282=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _1964346=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _1950410=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _1936474=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, o, n])
   Call: (204) [system] _1922538=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, i, o, n])
   Call: (203) [system] _1908602=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, u, s, i, o, n])
   Call: (202) [system] _1894666=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1880730=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1866794=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1852858=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1817348)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _2032248)
   Call: (200) [system] atom_chars(_2033180, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1817348=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _conclusion)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _2042472)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _2044330)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2060340)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _2064130)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _2042472=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _1780688=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_conclusion])
   Call: (195) [system] _531924=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
   Call: (194) [system] _428098=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2078012)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2079870)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _2089464)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2092168)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _15894)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _21464)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _23322)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _39332)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _21464)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _56974)
   Call: (196) [system] peek_char((0x560c892e10d0), _57908)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_62628, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_63560, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _70910)
   Call: (197) [system] peek_char((0x560c892e10d0), _71844)
   Exit: (197) [system] peek_char((0x560c892e10d0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_76564, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_77496, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x560c892e10d0), u)
   Exit: (197) [system] get_char((0x560c892e10d0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _84846)
   Call: (198) [system] peek_char((0x560c892e10d0), _85780)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_90500, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_91432, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _98782)
   Call: (199) [system] peek_char((0x560c892e10d0), _99716)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_104436, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_105368, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _112718)
   Call: (200) [system] peek_char((0x560c892e10d0), _113652)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_118372, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_119304, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _126654)
   Call: (201) [system] peek_char((0x560c892e10d0), _127588)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_132308, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _126654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _112718=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (199) [system] _98782=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (198) [system] _84846=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (197) [system] _70910=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (196) [system] _56974=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _21464)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _152714)
   Call: (197) [system] atom_chars(_153646, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _21464=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _162938)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _164796)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _180806)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _184596)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _162938=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _3654=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (192) [system] _3564=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _195684)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _197542)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _208992)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _211696)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _221290)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _223994)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _233588)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _236292)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _245886)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _248590)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _258184)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _260888)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _270482)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _273186)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _282780)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _285484)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _295078)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _297782)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _307376)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _310080)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _319674)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _322378)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _331972)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _334676)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _360850)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _366420)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _368278)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _384288)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _366420)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _389858)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _405868)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _411438)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _413296)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _429306)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _411438)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _434876)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _450886)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _456456)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _458314)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _474324)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _456456)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _491966)
   Call: (198) [system] peek_char((0x560c892e10d0), _492900)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _491966=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _456456)
^  Call: (198) [user] classify_and_convert_charseq_([:], _502184)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_503136, _503138), once(user:catch(read_from_chars([:], _502184), _503118, fail)), '$restore_trace'(_503136, _503138))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_503136, _503138))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _503118, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _456456=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _515264)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _517122)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _526716)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _529420)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _546354)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _551924)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _553782)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _569792)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _551924)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _587434)
   Call: (199) [system] peek_char((0x560c892e10d0), _588368)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_593088, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_594020, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _601370)
   Call: (200) [system] peek_char((0x560c892e10d0), _602304)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_607024, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_607956, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _615306)
   Call: (201) [system] peek_char((0x560c892e10d0), _616240)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_620960, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_621892, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _629242)
   Call: (202) [system] peek_char((0x560c892e10d0), _630176)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_634896, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_635828, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _643178)
   Call: (203) [system] peek_char((0x560c892e10d0), _644112)
   Exit: (203) [system] peek_char((0x560c892e10d0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_648832, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_649764, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x560c892e10d0), f)
   Exit: (203) [system] get_char((0x560c892e10d0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _657114)
   Call: (204) [system] peek_char((0x560c892e10d0), _658048)
   Exit: (204) [system] peek_char((0x560c892e10d0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_662768, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_663700, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x560c892e10d0), '1')
   Exit: (204) [system] get_char((0x560c892e10d0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _671050)
   Call: (205) [system] peek_char((0x560c892e10d0), _671984)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _671050=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _657114=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (203) [system] _643178=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (202) [system] _629242=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (201) [system] _615306=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (200) [system] _601370=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (199) [system] _587434=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _551924)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _698032)
   Call: (200) [system] atom_chars(_698964, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _551924=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _708256)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _710114)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _719708)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _722412)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _739346)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _744916)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _746774)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _762784)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _744916)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _780426)
   Call: (200) [system] peek_char((0x560c892e10d0), _781360)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_786080, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_787012, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _794362)
   Call: (201) [system] peek_char((0x560c892e10d0), _795296)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_800016, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_800948, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _808298)
   Call: (202) [system] peek_char((0x560c892e10d0), _809232)
   Exit: (202) [system] peek_char((0x560c892e10d0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_813952, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_814884, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x560c892e10d0), e)
   Exit: (202) [system] get_char((0x560c892e10d0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _822234)
   Call: (203) [system] peek_char((0x560c892e10d0), _823168)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_827888, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_828820, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _836170)
   Call: (204) [system] peek_char((0x560c892e10d0), _837104)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_841824, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_842756, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _850106)
   Call: (205) [system] peek_char((0x560c892e10d0), _851040)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_855760, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_856692, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _864042)
   Call: (206) [system] peek_char((0x560c892e10d0), _864976)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_869696, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_870628, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _877978)
   Call: (207) [system] peek_char((0x560c892e10d0), _878912)
   Exit: (207) [system] peek_char((0x560c892e10d0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_883632, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_884564, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x560c892e10d0), '1')
   Exit: (207) [system] get_char((0x560c892e10d0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _891914)
   Call: (208) [system] peek_char((0x560c892e10d0), _892848)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_897568, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _891914=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _877978=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (206) [system] _864042=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (205) [system] _850106=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (204) [system] _836170=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (203) [system] _822234=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (202) [system] _808298=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (201) [system] _794362=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _780426=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _744916)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _926356)
   Call: (201) [system] atom_chars(_927288, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _744916=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _936580)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _938438)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _954448)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _958238)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _936580=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _708256=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (196) [system] _515264=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (195) [system] _411438=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _972120)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _973978)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _983572)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _986276)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1003210)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1008780)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1010638)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1026648)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1008780)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1032218)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1048228)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1053798)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1055656)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1071666)
   Exit: (197) [system] get_char((0x560c892e10d0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), s, _1053798)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1089308)
   Call: (199) [system] peek_char((0x560c892e10d0), _1090242)
   Exit: (199) [system] peek_char((0x560c892e10d0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1094962, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1095894, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x560c892e10d0), y)
   Exit: (199) [system] get_char((0x560c892e10d0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1103244)
   Call: (200) [system] peek_char((0x560c892e10d0), _1104178)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1108898, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1109830, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1117180)
   Call: (201) [system] peek_char((0x560c892e10d0), _1118114)
   Exit: (201) [system] peek_char((0x560c892e10d0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1122834, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1123766, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x560c892e10d0), t)
   Exit: (201) [system] get_char((0x560c892e10d0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1131116)
   Call: (202) [system] peek_char((0x560c892e10d0), _1132050)
   Exit: (202) [system] peek_char((0x560c892e10d0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1136770, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1137702, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x560c892e10d0), h)
   Exit: (202) [system] get_char((0x560c892e10d0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1145052)
   Call: (203) [system] peek_char((0x560c892e10d0), _1145986)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1150706, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1151638, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1158988)
   Call: (204) [system] peek_char((0x560c892e10d0), _1159922)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1164642, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1165574, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172924)
   Call: (205) [system] peek_char((0x560c892e10d0), _1173858)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1178578, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1179510, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186860)
   Call: (206) [system] peek_char((0x560c892e10d0), _1187794)
   Exit: (206) [system] peek_char((0x560c892e10d0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1192514, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1193446, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x560c892e10d0), z)
   Exit: (206) [system] get_char((0x560c892e10d0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200796)
   Call: (207) [system] peek_char((0x560c892e10d0), _1201730)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1206450, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1207382, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214732)
   Call: (208) [system] peek_char((0x560c892e10d0), _1215666)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1214732=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1200796=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _1186860=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (205) [system] _1172924=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (204) [system] _1158988=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (203) [system] _1145052=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (202) [system] _1131116=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (201) [system] _1117180=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1103244=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1089308=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1053798)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1250096)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1251048, _1251050), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1250096), _1251030, fail)), '$restore_trace'(_1251048, _1251050))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1251048, _1251050))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1251030, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1053798=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1263176)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1265034)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1274628)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1277332)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1294266)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1299836)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1301694)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1317704)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1299836)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1323274)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1339284)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1344854)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1346712)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1362722)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _1344854)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380364)
   Call: (202) [system] peek_char((0x560c892e10d0), _1381298)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1380364=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1344854)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1390582)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1391534, _1391536), once(user:catch(read_from_chars([:], _1390582), _1391516, fail)), '$restore_trace'(_1391534, _1391536))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1391534, _1391536))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1391516, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1344854=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1403662)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1405520)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1415114)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1417818)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1434752)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1440322)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1442180)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1458190)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1440322)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1475832)
   Call: (203) [system] peek_char((0x560c892e10d0), _1476766)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1481486, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1482418, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1489768)
   Call: (204) [system] peek_char((0x560c892e10d0), _1490702)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1495422, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1496354, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1503704)
   Call: (205) [system] peek_char((0x560c892e10d0), _1504638)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1509358, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1510290, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1517640)
   Call: (206) [system] peek_char((0x560c892e10d0), _1518574)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1523294, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1524226, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1531576)
   Call: (207) [system] peek_char((0x560c892e10d0), _1532510)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1537230, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1538162, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1545512)
   Call: (208) [system] peek_char((0x560c892e10d0), _1546446)
   Exit: (208) [system] peek_char((0x560c892e10d0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1551166, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1552098, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x560c892e10d0), '1')
   Exit: (208) [system] get_char((0x560c892e10d0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1559448)
   Call: (209) [system] peek_char((0x560c892e10d0), _1560382)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1559448=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1545512=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (207) [system] _1531576=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '1'])
   Call: (206) [system] _1517640=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '1'])
   Call: (205) [system] _1503704=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '1'])
   Call: (204) [system] _1489768=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '1'])
   Call: (203) [system] _1475832=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1440322)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1586430)
   Call: (204) [system] atom_chars(_1587362, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1440322=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof1)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1596654)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1598512)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1608106)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1610810)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1627744)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1633314)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1635172)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1651182)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1633314)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668824)
   Call: (204) [system] peek_char((0x560c892e10d0), _1669758)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1674478, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1675410, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682760)
   Call: (205) [system] peek_char((0x560c892e10d0), _1683694)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1688414, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1689346, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696696)
   Call: (206) [system] peek_char((0x560c892e10d0), _1697630)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1702350, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1703282, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710632)
   Call: (207) [system] peek_char((0x560c892e10d0), _1711566)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1716286, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1717218, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724568)
   Call: (208) [system] peek_char((0x560c892e10d0), _1725502)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1730222, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1731154, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738504)
   Call: (209) [system] peek_char((0x560c892e10d0), _1739438)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1744158, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1745090, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752440)
   Call: (210) [system] peek_char((0x560c892e10d0), _1753374)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1758094, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1759026, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1766376)
   Call: (211) [system] peek_char((0x560c892e10d0), _1767310)
   Exit: (211) [system] peek_char((0x560c892e10d0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1772030, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1772962, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x560c892e10d0), '1')
   Exit: (211) [system] get_char((0x560c892e10d0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1780312)
   Call: (212) [system] peek_char((0x560c892e10d0), _1781246)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1785966, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1780312=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1766376=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['1'])
   Call: (210) [system] _1752440=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '1'])
   Call: (209) [system] _1738504=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '1'])
   Call: (208) [system] _1724568=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '1'])
   Call: (207) [system] _1710632=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '1'])
   Call: (206) [system] _1696696=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '1'])
   Call: (205) [system] _1682760=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1668824=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1633314)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1814754)
   Call: (205) [system] atom_chars(_1815686, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1633314=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise1)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1824978)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1826836)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1842846)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1846636)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1824978=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1596654=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise1])
   Call: (200) [system] _1403662=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof1, _premise1])
   Call: (199) [system] _1299836=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1860518)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1862376)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1871970)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1874674)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1891608)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1897178)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1899036)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1915046)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _1897178)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1932688)
   Call: (201) [system] peek_char((0x560c892e10d0), _1933622)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1938342, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1939274, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1946624)
   Call: (202) [system] peek_char((0x560c892e10d0), _1947558)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1952278, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1953210, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1960560)
   Call: (203) [system] peek_char((0x560c892e10d0), _1961494)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1960560=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1946624=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (201) [system] _1932688=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1897178)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1976366)
   Call: (202) [system] atom_chars(_1977298, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1897178=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1986590)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1988448)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1998042)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2000746)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2017680)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _2023250)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2025108)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _2041118)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _2023250)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2058760)
   Call: (202) [system] peek_char((0x560c892e10d0), _2059694)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2064414, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2065346, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2072696)
   Call: (203) [system] peek_char((0x560c892e10d0), _2073630)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_2078350, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_2079282, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2086632)
   Call: (204) [system] peek_char((0x560c892e10d0), _2087566)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _2086632=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _2072696=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _3764=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _3760)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _9316)
   Call: (203) [system] atom_chars(_10248, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _3760=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _19540)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _21398)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _30992)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _33696)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _50630)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _56200)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _58058)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _74068)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _56200)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _91710)
   Call: (203) [system] peek_char((0x560c892e10d0), _92644)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_97364, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_98296, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _105646)
   Call: (204) [system] peek_char((0x560c892e10d0), _106580)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_111300, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _105646=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _91710=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _56200)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _120530)
   Call: (204) [system] atom_chars(_121462, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _56200=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _130754)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _132612)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _148622)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _152412)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _130754=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _19540=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (199) [system] _3756=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (198) [system] _3746=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (197) [system] _3714=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3706=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _171882)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _173740)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _189750)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _193540)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _171882=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _3702=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3668=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _204628)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _206486)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _217936)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _220640)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _230234)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _232938)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _242532)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _245236)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _254830)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _257534)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _267128)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _269832)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _279426)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _282130)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _291724)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _294428)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _304022)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _306726)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _316320)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _319024)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _328618)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _331322)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _340916)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _343620)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _369794)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _375364)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _377222)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _393232)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _375364)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _398802)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _414812)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _420382)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _422240)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _438250)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _420382)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _443820)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _459830)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _465400)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _467258)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _483268)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _465400)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _500910)
   Call: (199) [system] peek_char((0x560c892e10d0), _501844)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _500910=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _465400)
^  Call: (199) [user] classify_and_convert_charseq_([:], _511128)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_512080, _512082), once(user:catch(read_from_chars([:], _511128), _512062, fail)), '$restore_trace'(_512080, _512082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_512080, _512082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _512062, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _465400=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _524208)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _526066)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _535660)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _538364)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _555298)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _560868)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _562726)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _578736)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _560868)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _596378)
   Call: (200) [system] peek_char((0x560c892e10d0), _597312)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_602032, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_602964, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _610314)
   Call: (201) [system] peek_char((0x560c892e10d0), _611248)
   Exit: (201) [system] peek_char((0x560c892e10d0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_615968, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_616900, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x560c892e10d0), r)
   Exit: (201) [system] get_char((0x560c892e10d0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _624250)
   Call: (202) [system] peek_char((0x560c892e10d0), _625184)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_629904, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_630836, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _638186)
   Call: (203) [system] peek_char((0x560c892e10d0), _639120)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_643840, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_644772, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _652122)
   Call: (204) [system] peek_char((0x560c892e10d0), _653056)
   Exit: (204) [system] peek_char((0x560c892e10d0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_657776, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_658708, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x560c892e10d0), f)
   Exit: (204) [system] get_char((0x560c892e10d0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _666058)
   Call: (205) [system] peek_char((0x560c892e10d0), _666992)
   Exit: (205) [system] peek_char((0x560c892e10d0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_671712, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_672644, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x560c892e10d0), '2')
   Exit: (205) [system] get_char((0x560c892e10d0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _679994)
   Call: (206) [system] peek_char((0x560c892e10d0), _680928)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _679994=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _666058=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (204) [system] _652122=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (203) [system] _638186=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (202) [system] _624250=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (201) [system] _610314=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (200) [system] _596378=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _560868)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _706976)
   Call: (201) [system] atom_chars(_707908, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _560868=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _717200)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _719058)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _728652)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _731356)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _748290)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _753860)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _755718)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _771728)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _753860)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _789370)
   Call: (201) [system] peek_char((0x560c892e10d0), _790304)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_795024, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_795956, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _803306)
   Call: (202) [system] peek_char((0x560c892e10d0), _804240)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_808960, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_809892, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _817242)
   Call: (203) [system] peek_char((0x560c892e10d0), _818176)
   Exit: (203) [system] peek_char((0x560c892e10d0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_822896, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_823828, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x560c892e10d0), e)
   Exit: (203) [system] get_char((0x560c892e10d0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _831178)
   Call: (204) [system] peek_char((0x560c892e10d0), _832112)
   Exit: (204) [system] peek_char((0x560c892e10d0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_836832, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_837764, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x560c892e10d0), m)
   Exit: (204) [system] get_char((0x560c892e10d0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _845114)
   Call: (205) [system] peek_char((0x560c892e10d0), _846048)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_850768, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_851700, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _859050)
   Call: (206) [system] peek_char((0x560c892e10d0), _859984)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_864704, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_865636, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _872986)
   Call: (207) [system] peek_char((0x560c892e10d0), _873920)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_878640, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_879572, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _886922)
   Call: (208) [system] peek_char((0x560c892e10d0), _887856)
   Exit: (208) [system] peek_char((0x560c892e10d0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_892576, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_893508, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x560c892e10d0), '2')
   Exit: (208) [system] get_char((0x560c892e10d0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _900858)
   Call: (209) [system] peek_char((0x560c892e10d0), _901792)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_906512, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _900858=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _886922=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (207) [system] _872986=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (206) [system] _859050=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (205) [system] _845114=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (204) [system] _831178=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (203) [system] _817242=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (202) [system] _803306=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _789370=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _753860)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _935300)
   Call: (202) [system] atom_chars(_936232, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _753860=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _945524)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _947382)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _963392)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _967182)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _945524=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _717200=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (197) [system] _524208=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (196) [system] _420382=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _981064)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _982922)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _992516)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _995220)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1012154)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1017724)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1019582)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1035592)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1017724)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1041162)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1057172)
   Exit: (197) [system] peek_char((0x560c892e10d0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1062742)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1064600)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1080610)
   Exit: (198) [system] get_char((0x560c892e10d0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), s, _1062742)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1098252)
   Call: (200) [system] peek_char((0x560c892e10d0), _1099186)
   Exit: (200) [system] peek_char((0x560c892e10d0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1103906, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1104838, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x560c892e10d0), y)
   Exit: (200) [system] get_char((0x560c892e10d0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1112188)
   Call: (201) [system] peek_char((0x560c892e10d0), _1113122)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1117842, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1118774, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126124)
   Call: (202) [system] peek_char((0x560c892e10d0), _1127058)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1131778, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1132710, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1140060)
   Call: (203) [system] peek_char((0x560c892e10d0), _1140994)
   Exit: (203) [system] peek_char((0x560c892e10d0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1145714, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1146646, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x560c892e10d0), h)
   Exit: (203) [system] get_char((0x560c892e10d0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1153996)
   Call: (204) [system] peek_char((0x560c892e10d0), _1154930)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1159650, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1160582, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1167932)
   Call: (205) [system] peek_char((0x560c892e10d0), _1168866)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1173586, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1174518, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1181868)
   Call: (206) [system] peek_char((0x560c892e10d0), _1182802)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1187522, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1188454, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195804)
   Call: (207) [system] peek_char((0x560c892e10d0), _1196738)
   Exit: (207) [system] peek_char((0x560c892e10d0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_1201458, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_1202390, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x560c892e10d0), z)
   Exit: (207) [system] get_char((0x560c892e10d0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209740)
   Call: (208) [system] peek_char((0x560c892e10d0), _1210674)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1215394, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1216326, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223676)
   Call: (209) [system] peek_char((0x560c892e10d0), _1224610)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1223676=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1209740=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (207) [system] _1195804=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (206) [system] _1181868=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (205) [system] _1167932=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (204) [system] _1153996=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (203) [system] _1140060=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (202) [system] _1126124=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1112188=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1098252=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1062742)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1259040)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1259992, _1259994), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1259040), _1259974, fail)), '$restore_trace'(_1259992, _1259994))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1259992, _1259994))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1259974, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1062742=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1272120)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1273978)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1283572)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1286276)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1303210)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1308780)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1310638)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1326648)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1308780)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1332218)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1348228)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1353798)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1355656)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1371666)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _1353798)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1389308)
   Call: (203) [system] peek_char((0x560c892e10d0), _1390242)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1389308=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _1353798)
^  Call: (203) [user] classify_and_convert_charseq_([:], _1399526)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1400478, _1400480), once(user:catch(read_from_chars([:], _1399526), _1400460, fail)), '$restore_trace'(_1400478, _1400480))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1400478, _1400480))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1400460, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _1353798=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1412606)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1414464)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1424058)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1426762)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1443696)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1449266)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1451124)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1467134)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1449266)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1484776)
   Call: (204) [system] peek_char((0x560c892e10d0), _1485710)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1490430, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1491362, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1498712)
   Call: (205) [system] peek_char((0x560c892e10d0), _1499646)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1504366, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1505298, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1512648)
   Call: (206) [system] peek_char((0x560c892e10d0), _1513582)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1518302, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1519234, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1526584)
   Call: (207) [system] peek_char((0x560c892e10d0), _1527518)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1532238, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1533170, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1540520)
   Call: (208) [system] peek_char((0x560c892e10d0), _1541454)
   Exit: (208) [system] peek_char((0x560c892e10d0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1546174, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1547106, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x560c892e10d0), f)
   Exit: (208) [system] get_char((0x560c892e10d0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1554456)
   Call: (209) [system] peek_char((0x560c892e10d0), _1555390)
   Exit: (209) [system] peek_char((0x560c892e10d0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1560110, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1561042, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x560c892e10d0), '2')
   Exit: (209) [system] get_char((0x560c892e10d0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1568392)
   Call: (210) [system] peek_char((0x560c892e10d0), _1569326)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1568392=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1554456=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (208) [system] _1540520=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '2'])
   Call: (207) [system] _1526584=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '2'])
   Call: (206) [system] _1512648=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '2'])
   Call: (205) [system] _1498712=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '2'])
   Call: (204) [system] _1484776=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1449266)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1595374)
   Call: (205) [system] atom_chars(_1596306, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1449266=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _proof2)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1605598)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1607456)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1617050)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1619754)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1636688)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1642258)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1644116)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1660126)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1642258)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677768)
   Call: (205) [system] peek_char((0x560c892e10d0), _1678702)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1683422, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1684354, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1691704)
   Call: (206) [system] peek_char((0x560c892e10d0), _1692638)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1697358, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1698290, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705640)
   Call: (207) [system] peek_char((0x560c892e10d0), _1706574)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1711294, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1712226, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1719576)
   Call: (208) [system] peek_char((0x560c892e10d0), _1720510)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1725230, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1726162, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1733512)
   Call: (209) [system] peek_char((0x560c892e10d0), _1734446)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1739166, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1740098, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1747448)
   Call: (210) [system] peek_char((0x560c892e10d0), _1748382)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1753102, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1754034, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1761384)
   Call: (211) [system] peek_char((0x560c892e10d0), _1762318)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1767038, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1767970, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1775320)
   Call: (212) [system] peek_char((0x560c892e10d0), _1776254)
   Exit: (212) [system] peek_char((0x560c892e10d0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1780974, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1781906, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x560c892e10d0), '2')
   Exit: (212) [system] get_char((0x560c892e10d0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1789256)
   Call: (213) [system] peek_char((0x560c892e10d0), _1790190)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1794910, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1789256=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1775320=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['2'])
   Call: (211) [system] _1761384=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '2'])
   Call: (210) [system] _1747448=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '2'])
   Call: (209) [system] _1733512=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '2'])
   Call: (208) [system] _1719576=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '2'])
   Call: (207) [system] _1705640=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '2'])
   Call: (206) [system] _1691704=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1677768=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1642258)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1823698)
   Call: (206) [system] atom_chars(_1824630, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1642258=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _premise2)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1833922)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1835780)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1851790)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1855580)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1833922=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1605598=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_premise2])
   Call: (201) [system] _1412606=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_proof2, _premise2])
   Call: (200) [system] _1308780=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1869462)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1871320)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1880914)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1883618)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1900552)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1906122)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1907980)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1923990)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _1906122)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1941632)
   Call: (202) [system] peek_char((0x560c892e10d0), _1942566)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1947286, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1948218, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1955568)
   Call: (203) [system] peek_char((0x560c892e10d0), _1956502)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1961222, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1962154, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1969504)
   Call: (204) [system] peek_char((0x560c892e10d0), _1970438)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1969504=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1955568=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (202) [system] _1941632=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1906122)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1985310)
   Call: (203) [system] atom_chars(_1986242, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1906122=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1995534)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1997392)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _2006986)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2009690)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _2026624)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _2032194)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2034052)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _2050062)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _2032194)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2067704)
   Call: (203) [system] peek_char((0x560c892e10d0), _2068638)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2073358, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2074290, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2081640)
   Call: (204) [system] peek_char((0x560c892e10d0), _2082574)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_2087294, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_2088226, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2095576)
   Call: (205) [system] peek_char((0x560c892e10d0), _3888)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _3884=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _3880=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _3876=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _3872)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _18476)
   Call: (204) [system] atom_chars(_19408, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _3872=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _28700)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _30558)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _40152)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _42856)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _59790)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _65360)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _67218)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _83228)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _65360)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _100870)
   Call: (204) [system] peek_char((0x560c892e10d0), _101804)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_106524, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_107456, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _114806)
   Call: (205) [system] peek_char((0x560c892e10d0), _115740)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_120460, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _114806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _100870=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _65360)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _129690)
   Call: (205) [system] atom_chars(_130622, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _65360=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _139914)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _141772)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _157782)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _161572)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _139914=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _28700=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (200) [system] _3868=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (199) [system] _3858=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (198) [system] _3826=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3818=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _181042)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _182900)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _198910)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _202700)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _181042=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _3814=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3780=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _213788)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _215646)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x560c892e10d0), _227096)
   Exit: (194) [system] get_char((0x560c892e10d0), '\n')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _229800)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _239394)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _242098)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _251692)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _254396)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _263990)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _266694)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _276288)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _278992)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _288586)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _291290)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _300884)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _303588)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _313182)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _315886)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _325480)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _328184)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _337778)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _340482)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _350076)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _352780)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _378954)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _384524)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _386382)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _402392)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _384524)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _407962)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _423972)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _429542)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _431400)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _447410)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _429542)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _452980)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _468990)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _474560)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _476418)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _492428)
   Exit: (198) [system] get_char((0x560c892e10d0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), :, _474560)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _510070)
   Call: (200) [system] peek_char((0x560c892e10d0), _511004)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _510070=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _474560)
^  Call: (200) [user] classify_and_convert_charseq_([:], _520288)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_521240, _521242), once(user:catch(read_from_chars([:], _520288), _521222, fail)), '$restore_trace'(_521240, _521242))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_521240, _521242))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _521222, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _474560=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _533368)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _535226)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _544820)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _547524)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _564458)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _570028)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _571886)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _587896)
   Exit: (199) [system] get_char((0x560c892e10d0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _570028)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _605538)
   Call: (201) [system] peek_char((0x560c892e10d0), _606472)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_611192, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_612124, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _619474)
   Call: (202) [system] peek_char((0x560c892e10d0), _620408)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_625128, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_626060, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _633410)
   Call: (203) [system] peek_char((0x560c892e10d0), _634344)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_639064, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_639996, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _647346)
   Call: (204) [system] peek_char((0x560c892e10d0), _648280)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_653000, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_653932, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _661282)
   Call: (205) [system] peek_char((0x560c892e10d0), _662216)
   Exit: (205) [system] peek_char((0x560c892e10d0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_666936, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_667868, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x560c892e10d0), f)
   Exit: (205) [system] get_char((0x560c892e10d0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _675218)
   Call: (206) [system] peek_char((0x560c892e10d0), _676152)
   Exit: (206) [system] peek_char((0x560c892e10d0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_680872, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_681804, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x560c892e10d0), '3')
   Exit: (206) [system] get_char((0x560c892e10d0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _689154)
   Call: (207) [system] peek_char((0x560c892e10d0), _690088)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _689154=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _675218=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (205) [system] _661282=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (204) [system] _647346=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (203) [system] _633410=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (202) [system] _619474=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (201) [system] _605538=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _570028)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _716136)
   Call: (202) [system] atom_chars(_717068, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _570028=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _726360)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _728218)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _737812)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _740516)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _757450)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _763020)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _764878)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _780888)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _763020)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _798530)
   Call: (202) [system] peek_char((0x560c892e10d0), _799464)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_804184, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_805116, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _812466)
   Call: (203) [system] peek_char((0x560c892e10d0), _813400)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_818120, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_819052, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _826402)
   Call: (204) [system] peek_char((0x560c892e10d0), _827336)
   Exit: (204) [system] peek_char((0x560c892e10d0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_832056, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_832988, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x560c892e10d0), e)
   Exit: (204) [system] get_char((0x560c892e10d0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _840338)
   Call: (205) [system] peek_char((0x560c892e10d0), _841272)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_845992, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_846924, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _854274)
   Call: (206) [system] peek_char((0x560c892e10d0), _855208)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_859928, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_860860, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _868210)
   Call: (207) [system] peek_char((0x560c892e10d0), _869144)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_873864, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_874796, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _882146)
   Call: (208) [system] peek_char((0x560c892e10d0), _883080)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_887800, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_888732, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _896082)
   Call: (209) [system] peek_char((0x560c892e10d0), _897016)
   Exit: (209) [system] peek_char((0x560c892e10d0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_901736, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_902668, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x560c892e10d0), '3')
   Exit: (209) [system] get_char((0x560c892e10d0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _910018)
   Call: (210) [system] peek_char((0x560c892e10d0), _910952)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_915672, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _910018=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _896082=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (208) [system] _882146=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (207) [system] _868210=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (206) [system] _854274=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (205) [system] _840338=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (204) [system] _826402=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (203) [system] _812466=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _798530=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _763020)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _944460)
   Call: (203) [system] atom_chars(_945392, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _763020=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _954684)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _956542)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _972552)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _976342)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _954684=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _726360=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (198) [system] _533368=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (197) [system] _429542=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _990224)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _992082)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1001676)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1004380)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1021314)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1026884)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1028742)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1044752)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1026884)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1050322)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1066332)
   Exit: (198) [system] peek_char((0x560c892e10d0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1071902)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1073760)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1089770)
   Exit: (199) [system] get_char((0x560c892e10d0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), s, _1071902)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1107412)
   Call: (201) [system] peek_char((0x560c892e10d0), _1108346)
   Exit: (201) [system] peek_char((0x560c892e10d0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1113066, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1113998, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x560c892e10d0), y)
   Exit: (201) [system] get_char((0x560c892e10d0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121348)
   Call: (202) [system] peek_char((0x560c892e10d0), _1122282)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1127002, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1127934, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1135284)
   Call: (203) [system] peek_char((0x560c892e10d0), _1136218)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1140938, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1141870, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1149220)
   Call: (204) [system] peek_char((0x560c892e10d0), _1150154)
   Exit: (204) [system] peek_char((0x560c892e10d0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_1154874, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_1155806, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x560c892e10d0), h)
   Exit: (204) [system] get_char((0x560c892e10d0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1163156)
   Call: (205) [system] peek_char((0x560c892e10d0), _1164090)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1168810, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1169742, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1177092)
   Call: (206) [system] peek_char((0x560c892e10d0), _1178026)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1182746, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1183678, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1191028)
   Call: (207) [system] peek_char((0x560c892e10d0), _1191962)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1196682, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1197614, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1204964)
   Call: (208) [system] peek_char((0x560c892e10d0), _1205898)
   Exit: (208) [system] peek_char((0x560c892e10d0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_1210618, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_1211550, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x560c892e10d0), z)
   Exit: (208) [system] get_char((0x560c892e10d0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1218900)
   Call: (209) [system] peek_char((0x560c892e10d0), _1219834)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1224554, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1225486, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1232836)
   Call: (210) [system] peek_char((0x560c892e10d0), _1233770)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1232836=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1218900=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (208) [system] _1204964=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (207) [system] _1191028=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (206) [system] _1177092=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (205) [system] _1163156=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (204) [system] _1149220=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (203) [system] _1135284=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (202) [system] _1121348=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _1107412=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1071902)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1268200)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1269152, _1269154), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1268200), _1269134, fail)), '$restore_trace'(_1269152, _1269154))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1269152, _1269154))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1269134, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _1071902=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1281280)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1283138)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1292732)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1295436)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1312370)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1317940)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1319798)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1335808)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1317940)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1341378)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1357388)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1362958)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1364816)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1380826)
   Exit: (202) [system] get_char((0x560c892e10d0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), :, _1362958)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1398468)
   Call: (204) [system] peek_char((0x560c892e10d0), _1399402)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1398468=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _1362958)
^  Call: (204) [user] classify_and_convert_charseq_([:], _1408686)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1409638, _1409640), once(user:catch(read_from_chars([:], _1408686), _1409620, fail)), '$restore_trace'(_1409638, _1409640))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1409638, _1409640))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1409620, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _1362958=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1421766)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1423624)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1433218)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1435922)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1452856)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1458426)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1460284)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1476294)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1458426)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1493936)
   Call: (205) [system] peek_char((0x560c892e10d0), _1494870)
   Exit: (205) [system] peek_char((0x560c892e10d0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1499590, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1500522, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x560c892e10d0), p)
   Exit: (205) [system] get_char((0x560c892e10d0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1507872)
   Call: (206) [system] peek_char((0x560c892e10d0), _1508806)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1513526, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1514458, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1521808)
   Call: (207) [system] peek_char((0x560c892e10d0), _1522742)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1527462, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1528394, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1535744)
   Call: (208) [system] peek_char((0x560c892e10d0), _1536678)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1541398, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1542330, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1549680)
   Call: (209) [system] peek_char((0x560c892e10d0), _1550614)
   Exit: (209) [system] peek_char((0x560c892e10d0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1555334, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1556266, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x560c892e10d0), f)
   Exit: (209) [system] get_char((0x560c892e10d0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1563616)
   Call: (210) [system] peek_char((0x560c892e10d0), _1564550)
   Exit: (210) [system] peek_char((0x560c892e10d0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1569270, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1570202, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x560c892e10d0), '3')
   Exit: (210) [system] get_char((0x560c892e10d0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1577552)
   Call: (211) [system] peek_char((0x560c892e10d0), _1578486)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1577552=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1563616=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (209) [system] _1549680=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '3'])
   Call: (208) [system] _1535744=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '3'])
   Call: (207) [system] _1521808=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '3'])
   Call: (206) [system] _1507872=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '3'])
   Call: (205) [system] _1493936=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1458426)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1604534)
   Call: (206) [system] atom_chars(_1605466, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1458426=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _proof3)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1614758)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1616616)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1626210)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1628914)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1645848)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1651418)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1653276)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1669286)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1651418)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1686928)
   Call: (206) [system] peek_char((0x560c892e10d0), _1687862)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1692582, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1693514, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1700864)
   Call: (207) [system] peek_char((0x560c892e10d0), _1701798)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1706518, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1707450, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1714800)
   Call: (208) [system] peek_char((0x560c892e10d0), _1715734)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1720454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1721386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1728736)
   Call: (209) [system] peek_char((0x560c892e10d0), _1729670)
   Exit: (209) [system] peek_char((0x560c892e10d0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1734390, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1735322, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x560c892e10d0), m)
   Exit: (209) [system] get_char((0x560c892e10d0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1742672)
   Call: (210) [system] peek_char((0x560c892e10d0), _1743606)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1748326, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1749258, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1756608)
   Call: (211) [system] peek_char((0x560c892e10d0), _1757542)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1762262, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1763194, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1770544)
   Call: (212) [system] peek_char((0x560c892e10d0), _1771478)
   Exit: (212) [system] peek_char((0x560c892e10d0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1776198, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1777130, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x560c892e10d0), e)
   Exit: (212) [system] get_char((0x560c892e10d0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1784480)
   Call: (213) [system] peek_char((0x560c892e10d0), _1785414)
   Exit: (213) [system] peek_char((0x560c892e10d0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1790134, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1791066, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x560c892e10d0), '3')
   Exit: (213) [system] get_char((0x560c892e10d0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1798416)
   Call: (214) [system] peek_char((0x560c892e10d0), _1799350)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1804070, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1798416=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _1784480=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['3'])
   Call: (212) [system] _1770544=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '3'])
   Call: (211) [system] _1756608=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '3'])
   Call: (210) [system] _1742672=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '3'])
   Call: (209) [system] _1728736=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '3'])
   Call: (208) [system] _1714800=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '3'])
   Call: (207) [system] _1700864=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1686928=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1651418)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1832858)
   Call: (207) [system] atom_chars(_1833790, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1651418=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _premise3)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1843082)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1844940)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1860950)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1864740)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1843082=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1614758=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_premise3])
   Call: (202) [system] _1421766=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_proof3, _premise3])
   Call: (201) [system] _1317940=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1878622)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1880480)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1890074)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1892778)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1909712)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1915282)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1917140)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1933150)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _1915282)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1950792)
   Call: (203) [system] peek_char((0x560c892e10d0), _1951726)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1956446, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1957378, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1964728)
   Call: (204) [system] peek_char((0x560c892e10d0), _1965662)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1970382, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1971314, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1978664)
   Call: (205) [system] peek_char((0x560c892e10d0), _1979598)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1978664=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1964728=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (203) [system] _1950792=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1915282)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1994470)
   Call: (204) [system] atom_chars(_1995402, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1915282=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _2004694)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2006552)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _2016146)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2018850)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2035784)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _2041354)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2043212)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _2059222)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _2041354)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2076864)
   Call: (204) [system] peek_char((0x560c892e10d0), _2077798)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_2082518, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_2083450, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2090800)
   Call: (205) [system] peek_char((0x560c892e10d0), _2091734)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_4062, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_4658, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _12008)
   Call: (206) [system] peek_char((0x560c892e10d0), _12942)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _12008=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _3992=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (204) [system] _3988=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _3984)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _27814)
   Call: (205) [system] atom_chars(_28746, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _3984=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _38038)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _39896)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _49490)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _52194)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _69128)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _74698)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _76556)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _92566)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _74698)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _110208)
   Call: (205) [system] peek_char((0x560c892e10d0), _111142)
   Exit: (205) [system] peek_char((0x560c892e10d0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_115862, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_116794, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x560c892e10d0), k)
   Exit: (205) [system] get_char((0x560c892e10d0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _124144)
   Call: (206) [system] peek_char((0x560c892e10d0), _125078)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_129798, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _124144=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _110208=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _74698)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _139028)
   Call: (206) [system] atom_chars(_139960, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _74698=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _149252)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _151110)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _167120)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _170910)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _149252=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _38038=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (201) [system] _3980=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (200) [system] _3970=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (199) [system] _3938=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3930=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _190380)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _192238)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _208248)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _212038)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _190380=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _3926=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3892=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _223126)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _224984)
   Exit: (195) [system] peek_char((0x560c892e10d0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x560c892e10d0), _236434)
   Exit: (195) [system] get_char((0x560c892e10d0), '\n')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _239138)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _248732)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _251436)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _261030)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _263734)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _273328)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _276032)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _285626)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _288330)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _297924)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _300628)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _310222)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _312926)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _322520)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _325224)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _334818)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _337522)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _347116)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _349820)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _359414)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _362118)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _388292)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _393862)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _395720)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _411730)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _393862)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _417300)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _433310)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _438880)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _440738)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _456748)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _438880)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _462318)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _478328)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _483898)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _485756)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _501766)
   Exit: (199) [system] get_char((0x560c892e10d0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), :, _483898)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _519408)
   Call: (201) [system] peek_char((0x560c892e10d0), _520342)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _519408=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _483898)
^  Call: (201) [user] classify_and_convert_charseq_([:], _529626)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_530578, _530580), once(user:catch(read_from_chars([:], _529626), _530560, fail)), '$restore_trace'(_530578, _530580))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_530578, _530580))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _530560, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _483898=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _542706)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _544564)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _554158)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _556862)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _573796)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _579366)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _581224)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _597234)
   Exit: (200) [system] get_char((0x560c892e10d0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _579366)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _614876)
   Call: (202) [system] peek_char((0x560c892e10d0), _615810)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_620530, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_621462, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _628812)
   Call: (203) [system] peek_char((0x560c892e10d0), _629746)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_634466, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_635398, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _642748)
   Call: (204) [system] peek_char((0x560c892e10d0), _643682)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_648402, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_649334, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _656684)
   Call: (205) [system] peek_char((0x560c892e10d0), _657618)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_662338, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_663270, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _670620)
   Call: (206) [system] peek_char((0x560c892e10d0), _671554)
   Exit: (206) [system] peek_char((0x560c892e10d0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_676274, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_677206, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x560c892e10d0), f)
   Exit: (206) [system] get_char((0x560c892e10d0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _684556)
   Call: (207) [system] peek_char((0x560c892e10d0), _685490)
   Exit: (207) [system] peek_char((0x560c892e10d0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_690210, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_691142, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x560c892e10d0), '4')
   Exit: (207) [system] get_char((0x560c892e10d0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _698492)
   Call: (208) [system] peek_char((0x560c892e10d0), _699426)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _698492=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _684556=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (206) [system] _670620=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (205) [system] _656684=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (204) [system] _642748=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (203) [system] _628812=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (202) [system] _614876=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _579366)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _725474)
   Call: (203) [system] atom_chars(_726406, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _579366=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _735698)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _737556)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _747150)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _749854)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _766788)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _772358)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _774216)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _790226)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _772358)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _807868)
   Call: (203) [system] peek_char((0x560c892e10d0), _808802)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_813522, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_814454, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _821804)
   Call: (204) [system] peek_char((0x560c892e10d0), _822738)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_827458, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_828390, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _835740)
   Call: (205) [system] peek_char((0x560c892e10d0), _836674)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_841394, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_842326, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _849676)
   Call: (206) [system] peek_char((0x560c892e10d0), _850610)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_855330, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_856262, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _863612)
   Call: (207) [system] peek_char((0x560c892e10d0), _864546)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_869266, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_870198, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _877548)
   Call: (208) [system] peek_char((0x560c892e10d0), _878482)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_883202, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_884134, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _891484)
   Call: (209) [system] peek_char((0x560c892e10d0), _892418)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_897138, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_898070, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _905420)
   Call: (210) [system] peek_char((0x560c892e10d0), _906354)
   Exit: (210) [system] peek_char((0x560c892e10d0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_911074, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_912006, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x560c892e10d0), '4')
   Exit: (210) [system] get_char((0x560c892e10d0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _919356)
   Call: (211) [system] peek_char((0x560c892e10d0), _920290)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_925010, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _919356=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _905420=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (209) [system] _891484=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (208) [system] _877548=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (207) [system] _863612=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (206) [system] _849676=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (205) [system] _835740=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (204) [system] _821804=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _807868=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _772358)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _953798)
   Call: (204) [system] atom_chars(_954730, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _772358=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _964022)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _965880)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _981890)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _985680)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _964022=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _735698=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_premise4])
   Call: (199) [system] _542706=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [_proof4, _premise4])
   Call: (198) [system] _438880=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _999562)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1001420)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1011014)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1013718)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1030652)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1036222)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1038080)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1054090)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1036222)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1059660)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1075670)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1081240)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1083098)
   Exit: (201) [system] peek_char((0x560c892e10d0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1099108)
   Exit: (200) [system] get_char((0x560c892e10d0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), s, _1081240)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1116750)
   Call: (202) [system] peek_char((0x560c892e10d0), _1117684)
   Exit: (202) [system] peek_char((0x560c892e10d0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_1122404, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_1123336, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x560c892e10d0), y)
   Exit: (202) [system] get_char((0x560c892e10d0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1130686)
   Call: (203) [system] peek_char((0x560c892e10d0), _1131620)
   Exit: (203) [system] peek_char((0x560c892e10d0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1136340, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1137272, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x560c892e10d0), n)
   Exit: (203) [system] get_char((0x560c892e10d0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1144622)
   Call: (204) [system] peek_char((0x560c892e10d0), _1145556)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1150276, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_1151208, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1158558)
   Call: (205) [system] peek_char((0x560c892e10d0), _1159492)
   Exit: (205) [system] peek_char((0x560c892e10d0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_1164212, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_1165144, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x560c892e10d0), h)
   Exit: (205) [system] get_char((0x560c892e10d0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172494)
   Call: (206) [system] peek_char((0x560c892e10d0), _1173428)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1178148, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1179080, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186430)
   Call: (207) [system] peek_char((0x560c892e10d0), _1187364)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1192084, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1193016, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200366)
   Call: (208) [system] peek_char((0x560c892e10d0), _1201300)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1206020, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1206952, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214302)
   Call: (209) [system] peek_char((0x560c892e10d0), _1215236)
   Exit: (209) [system] peek_char((0x560c892e10d0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_1219956, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_1220888, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x560c892e10d0), z)
   Exit: (209) [system] get_char((0x560c892e10d0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228238)
   Call: (210) [system] peek_char((0x560c892e10d0), _1229172)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1233892, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1234824, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242174)
   Call: (211) [system] peek_char((0x560c892e10d0), _1243108)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1242174=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1228238=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (209) [system] _1214302=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (208) [system] _1200366=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (207) [system] _1186430=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (206) [system] _1172494=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (205) [system] _1158558=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (204) [system] _1144622=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (203) [system] _1130686=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _1116750=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1081240)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1277538)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1278490, _1278492), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1277538), _1278472, fail)), '$restore_trace'(_1278490, _1278492))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1278490, _1278492))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1278472, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _1081240=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1290618)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1292476)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1302070)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1304774)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1321708)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1327278)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1329136)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1345146)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1327278)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1350716)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1366726)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1372296)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1374154)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1390164)
   Exit: (203) [system] get_char((0x560c892e10d0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), :, _1372296)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1407806)
   Call: (205) [system] peek_char((0x560c892e10d0), _1408740)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1407806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1372296)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1418024)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1418976, _1418978), once(user:catch(read_from_chars([:], _1418024), _1418958, fail)), '$restore_trace'(_1418976, _1418978))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1418976, _1418978))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1418958, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1372296=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1431104)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1432962)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1442556)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1445260)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1462194)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1467764)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1469622)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1485632)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _1467764)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1503274)
   Call: (206) [system] peek_char((0x560c892e10d0), _1504208)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1508928, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1509860, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1517210)
   Call: (207) [system] peek_char((0x560c892e10d0), _1518144)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1522864, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1523796, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1531146)
   Call: (208) [system] peek_char((0x560c892e10d0), _1532080)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1536800, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1537732, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1545082)
   Call: (209) [system] peek_char((0x560c892e10d0), _1546016)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1550736, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1551668, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1559018)
   Call: (210) [system] peek_char((0x560c892e10d0), _1559952)
   Exit: (210) [system] peek_char((0x560c892e10d0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1564672, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1565604, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x560c892e10d0), f)
   Exit: (210) [system] get_char((0x560c892e10d0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1572954)
   Call: (211) [system] peek_char((0x560c892e10d0), _1573888)
   Exit: (211) [system] peek_char((0x560c892e10d0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1578608, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1579540, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x560c892e10d0), '4')
   Exit: (211) [system] get_char((0x560c892e10d0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1586890)
   Call: (212) [system] peek_char((0x560c892e10d0), _1587824)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1586890=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1572954=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (210) [system] _1559018=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '4'])
   Call: (209) [system] _1545082=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '4'])
   Call: (208) [system] _1531146=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '4'])
   Call: (207) [system] _1517210=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '4'])
   Call: (206) [system] _1503274=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1467764)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1613872)
   Call: (207) [system] atom_chars(_1614804, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1467764=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _proof4)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1624096)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1625954)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1635548)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1638252)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1655186)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1660756)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1662614)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1678624)
   Exit: (205) [system] get_char((0x560c892e10d0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _1660756)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696266)
   Call: (207) [system] peek_char((0x560c892e10d0), _1697200)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1701920, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1702852, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710202)
   Call: (208) [system] peek_char((0x560c892e10d0), _1711136)
   Exit: (208) [system] peek_char((0x560c892e10d0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1715856, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1716788, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x560c892e10d0), r)
   Exit: (208) [system] get_char((0x560c892e10d0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724138)
   Call: (209) [system] peek_char((0x560c892e10d0), _1725072)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1729792, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1730724, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738074)
   Call: (210) [system] peek_char((0x560c892e10d0), _1739008)
   Exit: (210) [system] peek_char((0x560c892e10d0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1743728, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1744660, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x560c892e10d0), m)
   Exit: (210) [system] get_char((0x560c892e10d0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752010)
   Call: (211) [system] peek_char((0x560c892e10d0), _1752944)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1757664, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1758596, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1765946)
   Call: (212) [system] peek_char((0x560c892e10d0), _1766880)
   Exit: (212) [system] peek_char((0x560c892e10d0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1771600, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1772532, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x560c892e10d0), s)
   Exit: (212) [system] get_char((0x560c892e10d0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1779882)
   Call: (213) [system] peek_char((0x560c892e10d0), _1780816)
   Exit: (213) [system] peek_char((0x560c892e10d0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1785536, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1786468, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x560c892e10d0), e)
   Exit: (213) [system] get_char((0x560c892e10d0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1793818)
   Call: (214) [system] peek_char((0x560c892e10d0), _1794752)
   Exit: (214) [system] peek_char((0x560c892e10d0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1799472, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1800404, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x560c892e10d0), '4')
   Exit: (214) [system] get_char((0x560c892e10d0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1807754)
   Call: (215) [system] peek_char((0x560c892e10d0), _1808688)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1813408, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1807754=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1793818=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['4'])
   Call: (213) [system] _1779882=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '4'])
   Call: (212) [system] _1765946=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '4'])
   Call: (211) [system] _1752010=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '4'])
   Call: (210) [system] _1738074=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '4'])
   Call: (209) [system] _1724138=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '4'])
   Call: (208) [system] _1710202=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1696266=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1660756)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1842196)
   Call: (208) [system] atom_chars(_1843128, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1660756=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), _premise4)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1852420)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1854278)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1870288)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1874078)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1852420=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _1624096=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [_premise4])
   Call: (203) [system] _1431104=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_proof4, _premise4])
   Call: (202) [system] _1327278=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1887960)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1889818)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1899412)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1902116)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1919050)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1924620)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1926478)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1942488)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _1924620)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1960130)
   Call: (204) [system] peek_char((0x560c892e10d0), _1961064)
   Exit: (204) [system] peek_char((0x560c892e10d0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1965784, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1966716, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x560c892e10d0), k)
   Exit: (204) [system] get_char((0x560c892e10d0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1974066)
   Call: (205) [system] peek_char((0x560c892e10d0), _1975000)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1979720, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1980652, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1988002)
   Call: (206) [system] peek_char((0x560c892e10d0), _1988936)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1988002=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1974066=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (204) [system] _1960130=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1924620)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _2003808)
   Call: (205) [system] atom_chars(_2004740, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1924620=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _2014032)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2015890)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _2025484)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2028188)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2045122)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _2050692)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2052550)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _2068560)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _2050692)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2086202)
   Call: (205) [system] peek_char((0x560c892e10d0), _2087136)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_2091856, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_2092788, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _7486)
   Call: (206) [system] peek_char((0x560c892e10d0), _8420)
   Exit: (206) [system] peek_char((0x560c892e10d0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_13140, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_14072, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x560c892e10d0), b)
   Exit: (206) [system] get_char((0x560c892e10d0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _21422)
   Call: (207) [system] peek_char((0x560c892e10d0), _22356)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _21422=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _7486=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (205) [system] _4100=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _4096)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _37228)
   Call: (206) [system] atom_chars(_38160, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _4096=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _47452)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _49310)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _58904)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _61608)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _78542)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _84112)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _85970)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _101980)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _84112)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _119622)
   Call: (206) [system] peek_char((0x560c892e10d0), _120556)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_125276, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_126208, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _133558)
   Call: (207) [system] peek_char((0x560c892e10d0), _134492)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_139212, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _133558=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _119622=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _84112)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _148442)
   Call: (207) [system] atom_chars(_149374, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _84112=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _158666)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _160524)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _176534)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _180324)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _158666=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _47452=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (202) [system] _4092=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (201) [system] _4082=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (200) [system] _4050=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4042=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _199794)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _201652)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _217662)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _221452)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _199794=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _4038=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _4004=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _232540)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _234398)
   Exit: (196) [system] peek_char((0x560c892e10d0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x560c892e10d0), _245848)
   Exit: (196) [system] get_char((0x560c892e10d0), '\n')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _248552)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _258146)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _260850)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _270444)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _273148)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _282742)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _285446)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _295040)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _297744)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _307338)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _310042)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _319636)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _322340)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _331934)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _334638)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _344232)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _346936)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _356530)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _359234)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _368828)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _371532)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _397706)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _403276)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _405134)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _421144)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _403276)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _426714)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _442724)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _448294)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _450152)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _466162)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _448294)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _471732)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _487742)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _493312)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _495170)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _511180)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _493312)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _528822)
   Call: (202) [system] peek_char((0x560c892e10d0), _529756)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _528822=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _493312)
^  Call: (202) [user] classify_and_convert_charseq_([:], _539040)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_539992, _539994), once(user:catch(read_from_chars([:], _539040), _539974, fail)), '$restore_trace'(_539992, _539994))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_539992, _539994))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _539974, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _493312=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _552120)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _553978)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _563572)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _566276)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _583210)
   Exit: (200) [system] peek_char((0x560c892e10d0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _588780)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _590638)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _606648)
   Exit: (201) [system] get_char((0x560c892e10d0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _588780)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _624290)
   Call: (203) [system] peek_char((0x560c892e10d0), _625224)
   Exit: (203) [system] peek_char((0x560c892e10d0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_629944, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_630876, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x560c892e10d0), p)
   Exit: (203) [system] get_char((0x560c892e10d0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _638226)
   Call: (204) [system] peek_char((0x560c892e10d0), _639160)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_643880, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_644812, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _652162)
   Call: (205) [system] peek_char((0x560c892e10d0), _653096)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_657816, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_658748, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _666098)
   Call: (206) [system] peek_char((0x560c892e10d0), _667032)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_671752, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_672684, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _680034)
   Call: (207) [system] peek_char((0x560c892e10d0), _680968)
   Exit: (207) [system] peek_char((0x560c892e10d0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_685688, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_686620, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x560c892e10d0), f)
   Exit: (207) [system] get_char((0x560c892e10d0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _693970)
   Call: (208) [system] peek_char((0x560c892e10d0), _694904)
   Exit: (208) [system] peek_char((0x560c892e10d0), '5')
^  Call: (208) [user] is_delimiter('5')
   Call: (209) [system] char_type('5', space)
   Fail: (209) [system] char_type('5', space)
   Call: (209) [system] arg(_699624, v('(', ')', end_of_file), '5')
   Fail: (209) [system] arg(_700556, v('(', ')', end_of_file), '5')
^  Fail: (208) [user] is_delimiter('5')
   Call: (208) [system] ')'=='5'
   Fail: (208) [system] ')'=='5'
   Call: (208) [system] get_char((0x560c892e10d0), '5')
   Exit: (208) [system] get_char((0x560c892e10d0), '5')
   Call: (208) [system] '5'=(\)
   Fail: (208) [system] '5'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _707906)
   Call: (209) [system] peek_char((0x560c892e10d0), _708840)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _707906=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _693970=['5']
   Exit: (208) [system] ['5']=['5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (207) [system] _680034=[f, '5']
   Exit: (207) [system] [f, '5']=[f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '5'])
   Call: (206) [system] _666098=[o, f, '5']
   Exit: (206) [system] [o, f, '5']=[o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '5'])
   Call: (205) [system] _652162=[o, o, f, '5']
   Exit: (205) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '5'])
   Call: (204) [system] _638226=[r, o, o, f, '5']
   Exit: (204) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '5'])
   Call: (203) [system] _624290=[p, r, o, o, f, '5']
   Exit: (203) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '5'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _588780)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _734888)
   Call: (204) [system] atom_chars(_735820, ['_', p, r, o, o, f, '5'])
   Exit: (204) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (203) [system] integer(_proof5)
   Fail: (203) [system] integer(_proof5)
   Call: (203) [system] _588780=_proof5
   Exit: (203) [system] _proof5=_proof5
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), $, _proof5)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), _proof5)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _745112)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _746970)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _756564)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _759268)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _776202)
   Exit: (201) [system] peek_char((0x560c892e10d0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _781772)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _783630)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _799640)
   Exit: (202) [system] get_char((0x560c892e10d0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _781772)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _817282)
   Call: (204) [system] peek_char((0x560c892e10d0), _818216)
   Exit: (204) [system] peek_char((0x560c892e10d0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_822936, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_823868, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x560c892e10d0), p)
   Exit: (204) [system] get_char((0x560c892e10d0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _831218)
   Call: (205) [system] peek_char((0x560c892e10d0), _832152)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_836872, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_837804, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _845154)
   Call: (206) [system] peek_char((0x560c892e10d0), _846088)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_850808, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_851740, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _859090)
   Call: (207) [system] peek_char((0x560c892e10d0), _860024)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_864744, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_865676, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _873026)
   Call: (208) [system] peek_char((0x560c892e10d0), _873960)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_878680, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_879612, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _886962)
   Call: (209) [system] peek_char((0x560c892e10d0), _887896)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_892616, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_893548, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _900898)
   Call: (210) [system] peek_char((0x560c892e10d0), _901832)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_906552, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_907484, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _914834)
   Call: (211) [system] peek_char((0x560c892e10d0), _915768)
   Exit: (211) [system] peek_char((0x560c892e10d0), '5')
^  Call: (211) [user] is_delimiter('5')
   Call: (212) [system] char_type('5', space)
   Fail: (212) [system] char_type('5', space)
   Call: (212) [system] arg(_920488, v('(', ')', end_of_file), '5')
   Fail: (212) [system] arg(_921420, v('(', ')', end_of_file), '5')
^  Fail: (211) [user] is_delimiter('5')
   Call: (211) [system] ')'=='5'
   Fail: (211) [system] ')'=='5'
   Call: (211) [system] get_char((0x560c892e10d0), '5')
   Exit: (211) [system] get_char((0x560c892e10d0), '5')
   Call: (211) [system] '5'=(\)
   Fail: (211) [system] '5'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _928770)
   Call: (212) [system] peek_char((0x560c892e10d0), _929704)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_934424, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _928770=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _914834=['5']
   Exit: (211) [system] ['5']=['5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (210) [system] _900898=[e, '5']
   Exit: (210) [system] [e, '5']=[e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '5'])
   Call: (209) [system] _886962=[s, e, '5']
   Exit: (209) [system] [s, e, '5']=[s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '5'])
   Call: (208) [system] _873026=[i, s, e, '5']
   Exit: (208) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '5'])
   Call: (207) [system] _859090=[m, i, s, e, '5']
   Exit: (207) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '5'])
   Call: (206) [system] _845154=[e, m, i, s, e, '5']
   Exit: (206) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '5'])
   Call: (205) [system] _831218=[r, e, m, i, s, e, '5']
   Exit: (205) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '5'])
   Call: (204) [system] _817282=[p, r, e, m, i, s, e, '5']
   Exit: (204) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '5'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _781772)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _963212)
   Call: (205) [system] atom_chars(_964144, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (205) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (204) [system] integer(_premise5)
   Fail: (204) [system] integer(_premise5)
   Call: (204) [system] _781772=_premise5
   Exit: (204) [system] _premise5=_premise5
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), $, _premise5)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), _premise5)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _973436)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _975294)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _991304)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _995094)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _973436=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _745112=[_premise5]
   Exit: (201) [system] [_premise5]=[_premise5]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [_premise5])
   Call: (200) [system] _552120=[_proof5, _premise5]
   Exit: (200) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [_proof5, _premise5])
   Call: (199) [system] _448294=[:, _proof5, _premise5]
   Exit: (199) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, _proof5, _premise5])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof5, _premise5])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1008976)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1010834)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1020428)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1023132)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1040066)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1045636)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1047494)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1063504)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1045636)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1069074)
   Exit: (201) [system] peek_char((0x560c892e10d0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1085084)
   Exit: (200) [system] peek_char((0x560c892e10d0), s)
   Call: (200) [system] s=')'
   Fail: (200) [system] s=')'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1090654)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1092512)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
   Call: (202) [system] s=(;)
   Fail: (202) [system] s=(;)
   Call: (202) [system] s=(/)
   Fail: (202) [system] s=(/)
^  Call: (202) [user] is_like_space(s)
   Call: (203) [system] char_type(s, 'white')
   Fail: (203) [system] char_type(s, 'white')
   Call: (203) [system] char_type(s, end_of_line)
   Fail: (203) [system] char_type(s, end_of_line)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] char_type(s, cntrl)
   Fail: (203) [system] char_type(s, cntrl)
^  Fail: (202) [user] is_like_space(s)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1108522)
   Exit: (201) [system] get_char((0x560c892e10d0), s)
   Call: (201) [system] s='('
   Fail: (201) [system] s='('
   Call: (201) [system] s='['
   Fail: (201) [system] s='['
   Call: (201) [system] s='{'
   Fail: (201) [system] s='{'
   Call: (201) [system] s='"'
   Fail: (201) [system] s='"'
   Call: (201) [system] s=!
   Fail: (201) [system] s=!
   Call: (201) [system] s='\''
   Fail: (201) [system] s='\''
   Call: (201) [system] s='`'
   Fail: (201) [system] s='`'
   Call: (201) [system] s=end_of_file
   Fail: (201) [system] s=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), s, _1090654)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126164)
   Call: (203) [system] peek_char((0x560c892e10d0), _1127098)
   Exit: (203) [system] peek_char((0x560c892e10d0), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Fail: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_1131818, v('(', ')', end_of_file), y)
   Fail: (204) [system] arg(_1132750, v('(', ')', end_of_file), y)
^  Fail: (203) [user] is_delimiter(y)
   Call: (203) [system] ')'==y
   Fail: (203) [system] ')'==y
   Call: (203) [system] get_char((0x560c892e10d0), y)
   Exit: (203) [system] get_char((0x560c892e10d0), y)
   Call: (203) [system] y=(\)
   Fail: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1140100)
   Call: (204) [system] peek_char((0x560c892e10d0), _1141034)
   Exit: (204) [system] peek_char((0x560c892e10d0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1145754, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1146686, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x560c892e10d0), n)
   Exit: (204) [system] get_char((0x560c892e10d0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1154036)
   Call: (205) [system] peek_char((0x560c892e10d0), _1154970)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1159690, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1160622, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1167972)
   Call: (206) [system] peek_char((0x560c892e10d0), _1168906)
   Exit: (206) [system] peek_char((0x560c892e10d0), h)
^  Call: (206) [user] is_delimiter(h)
   Call: (207) [system] char_type(h, space)
   Fail: (207) [system] char_type(h, space)
   Call: (207) [system] arg(_1173626, v('(', ')', end_of_file), h)
   Fail: (207) [system] arg(_1174558, v('(', ')', end_of_file), h)
^  Fail: (206) [user] is_delimiter(h)
   Call: (206) [system] ')'==h
   Fail: (206) [system] ')'==h
   Call: (206) [system] get_char((0x560c892e10d0), h)
   Exit: (206) [system] get_char((0x560c892e10d0), h)
   Call: (206) [system] h=(\)
   Fail: (206) [system] h=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1181908)
   Call: (207) [system] peek_char((0x560c892e10d0), _1182842)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1187562, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1188494, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195844)
   Call: (208) [system] peek_char((0x560c892e10d0), _1196778)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1201498, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1202430, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209780)
   Call: (209) [system] peek_char((0x560c892e10d0), _1210714)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1215434, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1216366, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223716)
   Call: (210) [system] peek_char((0x560c892e10d0), _1224650)
   Exit: (210) [system] peek_char((0x560c892e10d0), z)
^  Call: (210) [user] is_delimiter(z)
   Call: (211) [system] char_type(z, space)
   Fail: (211) [system] char_type(z, space)
   Call: (211) [system] arg(_1229370, v('(', ')', end_of_file), z)
   Fail: (211) [system] arg(_1230302, v('(', ')', end_of_file), z)
^  Fail: (210) [user] is_delimiter(z)
   Call: (210) [system] ')'==z
   Fail: (210) [system] ')'==z
   Call: (210) [system] get_char((0x560c892e10d0), z)
   Exit: (210) [system] get_char((0x560c892e10d0), z)
   Call: (210) [system] z=(\)
   Fail: (210) [system] z=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1237652)
   Call: (211) [system] peek_char((0x560c892e10d0), _1238586)
   Exit: (211) [system] peek_char((0x560c892e10d0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1243306, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1244238, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x560c892e10d0), e)
   Exit: (211) [system] get_char((0x560c892e10d0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1251588)
   Call: (212) [system] peek_char((0x560c892e10d0), _1252522)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1251588=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1237652=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (210) [system] _1223716=[z, e]
   Exit: (210) [system] [z, e]=[z, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (209) [system] _1209780=[i, z, e]
   Exit: (209) [system] [i, z, e]=[i, z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (208) [system] _1195844=[s, i, z, e]
   Exit: (208) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (207) [system] _1181908=[e, s, i, z, e]
   Exit: (207) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (206) [system] _1167972=[h, e, s, i, z, e]
   Exit: (206) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (205) [system] _1154036=[t, h, e, s, i, z, e]
   Exit: (205) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (204) [system] _1140100=[n, t, h, e, s, i, z, e]
   Exit: (204) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (203) [system] _1126164=[y, n, t, h, e, s, i, z, e]
   Exit: (203) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1090654)
^  Call: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1286952)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1287904, _1287906), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1286952), _1287886, fail)), '$restore_trace'(_1287904, _1287906))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1287904, _1287906))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1287886, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(synthesize)
   Exit: (204) [system] atomic(synthesize)
^  Exit: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (203) [system] integer(synthesize)
   Fail: (203) [system] integer(synthesize)
   Call: (203) [system] _1090654=synthesize
   Exit: (203) [system] synthesize=synthesize
^  Exit: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1300032)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1301890)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1311484)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1314188)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1331122)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1336692)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1338550)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1354560)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1336692)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1360130)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1376140)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1381710)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1383568)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1399578)
   Exit: (204) [system] get_char((0x560c892e10d0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), :, _1381710)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1417220)
   Call: (206) [system] peek_char((0x560c892e10d0), _1418154)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1417220=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1381710)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1427438)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1428390, _1428392), once(user:catch(read_from_chars([:], _1427438), _1428372, fail)), '$restore_trace'(_1428390, _1428392))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1428390, _1428392))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1428372, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1381710=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1440518)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1442376)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1451970)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1454674)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1471608)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1477178)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1479036)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1495046)
   Exit: (205) [system] get_char((0x560c892e10d0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _1477178)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1512688)
   Call: (207) [system] peek_char((0x560c892e10d0), _1513622)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1518342, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1519274, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1526624)
   Call: (208) [system] peek_char((0x560c892e10d0), _1527558)
   Exit: (208) [system] peek_char((0x560c892e10d0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1532278, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1533210, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x560c892e10d0), r)
   Exit: (208) [system] get_char((0x560c892e10d0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1540560)
   Call: (209) [system] peek_char((0x560c892e10d0), _1541494)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1546214, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1547146, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1554496)
   Call: (210) [system] peek_char((0x560c892e10d0), _1555430)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1560150, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1561082, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1568432)
   Call: (211) [system] peek_char((0x560c892e10d0), _1569366)
   Exit: (211) [system] peek_char((0x560c892e10d0), f)
^  Call: (211) [user] is_delimiter(f)
   Call: (212) [system] char_type(f, space)
   Fail: (212) [system] char_type(f, space)
   Call: (212) [system] arg(_1574086, v('(', ')', end_of_file), f)
   Fail: (212) [system] arg(_1575018, v('(', ')', end_of_file), f)
^  Fail: (211) [user] is_delimiter(f)
   Call: (211) [system] ')'==f
   Fail: (211) [system] ')'==f
   Call: (211) [system] get_char((0x560c892e10d0), f)
   Exit: (211) [system] get_char((0x560c892e10d0), f)
   Call: (211) [system] f=(\)
   Fail: (211) [system] f=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1582368)
   Call: (212) [system] peek_char((0x560c892e10d0), _1583302)
   Exit: (212) [system] peek_char((0x560c892e10d0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1588022, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1588954, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x560c892e10d0), '5')
   Exit: (212) [system] get_char((0x560c892e10d0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1596304)
   Call: (213) [system] peek_char((0x560c892e10d0), _1597238)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1596304=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1582368=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (211) [system] _1568432=[f, '5']
   Exit: (211) [system] [f, '5']=[f, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, '5'])
   Call: (210) [system] _1554496=[o, f, '5']
   Exit: (210) [system] [o, f, '5']=[o, f, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, f, '5'])
   Call: (209) [system] _1540560=[o, o, f, '5']
   Exit: (209) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, o, f, '5'])
   Call: (208) [system] _1526624=[r, o, o, f, '5']
   Exit: (208) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, o, f, '5'])
   Call: (207) [system] _1512688=[p, r, o, o, f, '5']
   Exit: (207) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, o, o, f, '5'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1477178)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1623286)
   Call: (208) [system] atom_chars(_1624218, ['_', p, r, o, o, f, '5'])
   Exit: (208) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (207) [system] integer(_proof5)
   Fail: (207) [system] integer(_proof5)
   Call: (207) [system] _1477178=_proof5
   Exit: (207) [system] _proof5=_proof5
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _proof5)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), _proof5)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1633510)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1635368)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1644962)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1647666)
   Exit: (207) [system] peek_char((0x560c892e10d0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1664600)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=')'
   Fail: (205) [system] ($)=')'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1670170)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1672028)
   Exit: (207) [system] peek_char((0x560c892e10d0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1688038)
   Exit: (206) [system] get_char((0x560c892e10d0), $)
   Call: (206) [system] ($)='('
   Fail: (206) [system] ($)='('
   Call: (206) [system] ($)='['
   Fail: (206) [system] ($)='['
   Call: (206) [system] ($)='{'
   Fail: (206) [system] ($)='{'
   Call: (206) [system] ($)='"'
   Fail: (206) [system] ($)='"'
   Call: (206) [system] ($)=!
   Fail: (206) [system] ($)=!
   Call: (206) [system] ($)='\''
   Fail: (206) [system] ($)='\''
   Call: (206) [system] ($)='`'
   Fail: (206) [system] ($)='`'
   Call: (206) [system] ($)=end_of_file
   Fail: (206) [system] ($)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), $, _1670170)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705680)
   Call: (208) [system] peek_char((0x560c892e10d0), _1706614)
   Exit: (208) [system] peek_char((0x560c892e10d0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1711334, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1712266, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x560c892e10d0), p)
   Exit: (208) [system] get_char((0x560c892e10d0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1719616)
   Call: (209) [system] peek_char((0x560c892e10d0), _1720550)
   Exit: (209) [system] peek_char((0x560c892e10d0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1725270, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_1726202, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x560c892e10d0), r)
   Exit: (209) [system] get_char((0x560c892e10d0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1733552)
   Call: (210) [system] peek_char((0x560c892e10d0), _1734486)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1739206, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1740138, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1747488)
   Call: (211) [system] peek_char((0x560c892e10d0), _1748422)
   Exit: (211) [system] peek_char((0x560c892e10d0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1753142, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1754074, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x560c892e10d0), m)
   Exit: (211) [system] get_char((0x560c892e10d0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1761424)
   Call: (212) [system] peek_char((0x560c892e10d0), _1762358)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1767078, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1768010, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1775360)
   Call: (213) [system] peek_char((0x560c892e10d0), _1776294)
   Exit: (213) [system] peek_char((0x560c892e10d0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1781014, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1781946, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x560c892e10d0), s)
   Exit: (213) [system] get_char((0x560c892e10d0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1789296)
   Call: (214) [system] peek_char((0x560c892e10d0), _1790230)
   Exit: (214) [system] peek_char((0x560c892e10d0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1794950, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_1795882, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x560c892e10d0), e)
   Exit: (214) [system] get_char((0x560c892e10d0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1803232)
   Call: (215) [system] peek_char((0x560c892e10d0), _1804166)
   Exit: (215) [system] peek_char((0x560c892e10d0), '5')
^  Call: (215) [user] is_delimiter('5')
   Call: (216) [system] char_type('5', space)
   Fail: (216) [system] char_type('5', space)
   Call: (216) [system] arg(_1808886, v('(', ')', end_of_file), '5')
   Fail: (216) [system] arg(_1809818, v('(', ')', end_of_file), '5')
^  Fail: (215) [user] is_delimiter('5')
   Call: (215) [system] ')'=='5'
   Fail: (215) [system] ')'=='5'
   Call: (215) [system] get_char((0x560c892e10d0), '5')
   Exit: (215) [system] get_char((0x560c892e10d0), '5')
   Call: (215) [system] '5'=(\)
   Fail: (215) [system] '5'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1817168)
   Call: (216) [system] peek_char((0x560c892e10d0), _1818102)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1822822, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1817168=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1803232=['5']
   Exit: (215) [system] ['5']=['5']
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['5'])
   Call: (214) [system] _1789296=[e, '5']
   Exit: (214) [system] [e, '5']=[e, '5']
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, '5'])
   Call: (213) [system] _1775360=[s, e, '5']
   Exit: (213) [system] [s, e, '5']=[s, e, '5']
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, '5'])
   Call: (212) [system] _1761424=[i, s, e, '5']
   Exit: (212) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, e, '5'])
   Call: (211) [system] _1747488=[m, i, s, e, '5']
   Exit: (211) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, s, e, '5'])
   Call: (210) [system] _1733552=[e, m, i, s, e, '5']
   Exit: (210) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, m, i, s, e, '5'])
   Call: (209) [system] _1719616=[r, e, m, i, s, e, '5']
   Exit: (209) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, e, m, i, s, e, '5'])
   Call: (208) [system] _1705680=[p, r, e, m, i, s, e, '5']
   Exit: (208) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, r, e, m, i, s, e, '5'])
^  Call: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1670170)
^  Call: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1851610)
   Call: (209) [system] atom_chars(_1852542, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (209) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (208) [system] integer(_premise5)
   Fail: (208) [system] integer(_premise5)
   Call: (208) [system] _1670170=_premise5
   Exit: (208) [system] _premise5=_premise5
^  Exit: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), $, _premise5)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), _premise5)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1861834)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1863692)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1879702)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _1883492)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _1861834=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _1633510=[_premise5]
   Exit: (205) [system] [_premise5]=[_premise5]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [_premise5])
   Call: (204) [system] _1440518=[_proof5, _premise5]
   Exit: (204) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [_proof5, _premise5])
   Call: (203) [system] _1336692=[:, _proof5, _premise5]
   Exit: (203) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [:, _proof5, _premise5])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), [:, _proof5, _premise5])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1897374)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1899232)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1908826)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1911530)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1928464)
   Exit: (202) [system] peek_char((0x560c892e10d0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1934034)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1935892)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1951902)
   Exit: (203) [system] get_char((0x560c892e10d0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _1934034)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1969544)
   Call: (205) [system] peek_char((0x560c892e10d0), _1970478)
   Exit: (205) [system] peek_char((0x560c892e10d0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1975198, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1976130, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x560c892e10d0), k)
   Exit: (205) [system] get_char((0x560c892e10d0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1983480)
   Call: (206) [system] peek_char((0x560c892e10d0), _1984414)
   Exit: (206) [system] peek_char((0x560c892e10d0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1989134, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1990066, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x560c892e10d0), b)
   Exit: (206) [system] get_char((0x560c892e10d0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1997416)
   Call: (207) [system] peek_char((0x560c892e10d0), _1998350)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1997416=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1983480=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (205) [system] _1969544=[k, b]
   Exit: (205) [system] [k, b]=[k, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [k, b])
^  Call: (204) [user] classify_and_convert_charseq([$, k, b], _1934034)
^  Call: (205) [user] classify_and_convert_charseq_([$, k, b], _2013222)
   Call: (206) [system] atom_chars(_2014154, ['_', k, b])
   Exit: (206) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (205) [system] integer(_kb)
   Fail: (205) [system] integer(_kb)
   Call: (205) [system] _1934034=_kb
   Exit: (205) [system] _kb=_kb
^  Exit: (204) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), $, _kb)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), _kb)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _2023446)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2025304)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _2034898)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2037602)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2054536)
   Exit: (203) [system] peek_char((0x560c892e10d0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _2060106)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2061964)
   Exit: (205) [system] peek_char((0x560c892e10d0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _2077974)
   Exit: (204) [system] get_char((0x560c892e10d0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _2060106)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2095616)
   Call: (206) [system] peek_char((0x560c892e10d0), _4216)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_8678, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_9610, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _16960)
   Call: (207) [system] peek_char((0x560c892e10d0), _17894)
   Exit: (207) [system] peek_char((0x560c892e10d0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_22614, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_23546, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x560c892e10d0), b)
   Exit: (207) [system] get_char((0x560c892e10d0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _30896)
   Call: (208) [system] peek_char((0x560c892e10d0), _31830)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _30896=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _16960=[b]
   Exit: (207) [system] [b]=[b]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
   Call: (206) [system] _4212=[r, b]
   Exit: (206) [system] [r, b]=[r, b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, b])
^  Call: (205) [user] classify_and_convert_charseq([$, r, b], _4208)
^  Call: (206) [user] classify_and_convert_charseq_([$, r, b], _46702)
   Call: (207) [system] atom_chars(_47634, ['_', r, b])
   Exit: (207) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (206) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (206) [system] integer(_rb)
   Fail: (206) [system] integer(_rb)
   Call: (206) [system] _4208=_rb
   Exit: (206) [system] _rb=_rb
^  Exit: (205) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), $, _rb)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), _rb)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _56926)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _58784)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _68378)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _71082)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _88016)
   Exit: (204) [system] peek_char((0x560c892e10d0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _93586)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _95444)
   Exit: (206) [system] peek_char((0x560c892e10d0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _111454)
   Exit: (205) [system] get_char((0x560c892e10d0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _93586)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _129096)
   Call: (207) [system] peek_char((0x560c892e10d0), _130030)
   Exit: (207) [system] peek_char((0x560c892e10d0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_134750, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_135682, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x560c892e10d0), k)
   Exit: (207) [system] get_char((0x560c892e10d0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _143032)
   Call: (208) [system] peek_char((0x560c892e10d0), _143966)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_148686, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _143032=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _129096=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
^  Call: (206) [user] classify_and_convert_charseq([$, k], _93586)
^  Call: (207) [user] classify_and_convert_charseq_([$, k], _157916)
   Call: (208) [system] atom_chars(_158848, ['_', k])
   Exit: (208) [system] atom_chars('_k', ['_', k])
^  Exit: (207) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (207) [system] integer(_k)
   Fail: (207) [system] integer(_k)
   Call: (207) [system] _93586=_k
   Exit: (207) [system] _k=_k
^  Exit: (206) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), $, _k)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), _k)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _168140)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _169998)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _186008)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _189798)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _168140=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _56926=[_k]
   Exit: (204) [system] [_k]=[_k]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [_k])
   Call: (203) [system] _4204=[_rb, _k]
   Exit: (203) [system] [_rb, _k]=[_rb, _k]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [_rb, _k])
   Call: (202) [system] _4194=[_kb, _rb, _k]
   Exit: (202) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [_kb, _rb, _k])
   Call: (201) [system] _4162=[[:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (201) [system] [[:, _proof5, _premise5], _kb, _rb, _k]=[[:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [[:, _proof5, _premise5], _kb, _rb, _k])
   Call: (200) [system] _4154=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (200) [system] [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _209268)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _211126)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _227136)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _230926)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _209268=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _4150=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (198) [system] [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
   Call: (197) [system] _4116=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (197) [system] [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _242014)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _243872)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _259882)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _263672)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _242014=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _4112=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (195) [system] [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (194) [system] _4000=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (193) [system] _3888=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (192) [system] _3776=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (191) [system] _3664=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (190) [system] _3560=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _288730)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _290588)
   Exit: (189) [system] peek_char((0x560c892e10d0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x560c892e10d0), _302038)
   Exit: (189) [system] get_char((0x560c892e10d0), '\n')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _304742)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _314336)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _317040)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _326634)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _329338)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _338932)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _341636)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _351230)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _353934)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _363528)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _366232)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _387786)
   Exit: (188) [system] peek_char((0x560c892e10d0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _393356)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _395214)
   Exit: (190) [system] peek_char((0x560c892e10d0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _411224)
   Exit: (189) [system] get_char((0x560c892e10d0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _393356)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _428866)
   Call: (191) [system] peek_char((0x560c892e10d0), _429800)
   Exit: (191) [system] peek_char((0x560c892e10d0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_434520, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_435452, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x560c892e10d0), q)
   Exit: (191) [system] get_char((0x560c892e10d0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _442802)
   Call: (192) [system] peek_char((0x560c892e10d0), _443736)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_448456, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_449388, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _456738)
   Call: (193) [system] peek_char((0x560c892e10d0), _457672)
   Exit: (193) [system] peek_char((0x560c892e10d0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_462392, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_463324, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x560c892e10d0), e)
   Exit: (193) [system] get_char((0x560c892e10d0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _470674)
   Call: (194) [system] peek_char((0x560c892e10d0), _471608)
   Exit: (194) [system] peek_char((0x560c892e10d0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_476328, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_477260, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x560c892e10d0), r)
   Exit: (194) [system] get_char((0x560c892e10d0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _484610)
   Call: (195) [system] peek_char((0x560c892e10d0), _485544)
   Exit: (195) [system] peek_char((0x560c892e10d0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_490264, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_491196, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x560c892e10d0), y)
   Exit: (195) [system] get_char((0x560c892e10d0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _498546)
   Call: (196) [system] peek_char((0x560c892e10d0), _499480)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_504200, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _498546=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _484610=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [y])
   Call: (194) [system] _470674=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, y])
   Call: (193) [system] _456738=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, y])
   Call: (192) [system] _442802=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, e, r, y])
   Call: (191) [system] _428866=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _393356)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _524606)
   Call: (192) [system] atom_chars(_525538, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _393356=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), _query)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _534830)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _536688)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _552698)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _556488)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _534830=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _288730=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _570370)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _572228)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _588238)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _592028)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _570370=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311)), read_sexpr((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_610546, _610548, _610550, _610552, _610554))
^  Exit: (177) [user] retract(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _613378)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), _613378)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 43, 0), _618994))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 43, 0), _618994)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), _618994)
   Call: (187) [system] var('$COMMENT'(";;", 43, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 43, 0))
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==[_625514, _625520]
   Call: (187) [system] is_list('$COMMENT'(";;", 43, 0))
   Call: (187) [system] string('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), _630148, _630150)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 43, 0], _633890)
   Call: (188) [apply] apply:maplist_([";;", 43, 0], _633890, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _635770)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_640412, _640418]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_635770
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([43, 0], _635772, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(43, _654292)
   Call: (191) [system] var(43)
   Call: (191) [system] atom(43)
   Call: (191) [system] 43==true
   Call: (191) [system] 43==false
   Call: (191) [system] 43==[_658934, _658940]
   Call: (191) [system] is_list(43)
   Call: (191) [system] string(43)
   Call: (191) [system] compound(43)
^  Call: (191) [user] symbol(43)
   Call: (192) [system] atom(43)
   Fail: (192) [system] atom(43)
^  Fail: (191) [user] symbol(43)
   Call: (191) [system] 43=_654292
   Exit: (191) [system] 43=43
^  Exit: (190) [user] mfix_vars1(43, 43)
   Call: (190) [apply] apply:maplist_([0], _654294, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _670058)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_674700, _674706]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_670058
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _670060, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([43, 0], [43, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 43, 0], [";;", 43, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 43, 0], [";;", 43, 0])
   Call: (187) [system] compound_name_arguments(_618994, '$COMMENT', [";;", 43, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 43, 0), _701676))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 43, 0), _701676)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), _701676)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 43, 0), _715634))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 43, 0), _715634)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), _715634)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (178) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 43, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;", 43, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 43, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 43, 0)))
   Call: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 43, 0), ynthesize_long_1729639320_140374, 82)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.2512767)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.2512767-1729639325.4761322
   Exit: (173) [system] 1.7751445770263672 is 1729639327.2512767-1729639325.4761322
   Call: (173) [system] 1.7751445770263672>4
   Fail: (173) [system] 1.7751445770263672>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 9)
   Call: (175) [system] atom(9+1)
   Call: (175) [system] set_flag(translated_forms, 10)
   Exit: (175) [system] set_flag(translated_forms, 10)
   Exit: (174) [$syspreds] update_flag(translated_forms, 9, 9+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 9, 9+1))
   Exit: (171) [$syspreds] flag(translated_forms, 9, 9+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 43, 0), ynthesize_long_1729639320_140374, 82)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 43, 0), ynthesize_long_1729639320_140374, 82)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 9, 9+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 43, 0), ynthesize_long_1729639320_140374, 82)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 92)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 92))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 92))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _790418)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _797840)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _805262)
   Exit: (176) [system] peek_char((0x560c892e10d0), '(')
   Call: (176) [system] char_type('(', space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _813600)
   Exit: (178) [system] peek_char((0x560c892e10d0), '(')
   Call: (178) [system] char_type('(', space)
   Call: (178) [system] _816386=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _818254, _818256, _818258, _818260), read_sexpr((0x560c892e10d0), _818272), assertz(metta_file_comment(_818254, _818256, _818258, _818272, _818260))))
^  Call: (180) [user] read_position((0x560c892e10d0), _818254, _818256, _818258, _818260)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_818260))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_818260))
   Exit: (182) [system] nonvar(position(_818260))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(3966, 94, 0, 3966)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), _818254)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _828512)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), _818254)
   Exit: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), 94)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), 94)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), _818256)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _835946)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), _818256)
   Exit: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), _818258)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _843380)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), _818258)
   Exit: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), 3966)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), 3966)
^  Exit: (180) [user] read_position((0x560c892e10d0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _818272)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _818272)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _853606)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _869616)
   Exit: (182) [system] get_char((0x560c892e10d0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _818272)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _875186)
   Exit: (184) [system] peek_char((0x560c892e10d0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _891196)
   Exit: (183) [system] peek_char((0x560c892e10d0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _896766)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _898624)
   Exit: (185) [system] peek_char((0x560c892e10d0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _914634)
   Exit: (184) [system] get_char((0x560c892e10d0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x560c892e10d0), :, _896766)
^  Call: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), _932276)
   Call: (186) [system] peek_char((0x560c892e10d0), _933210)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _932276=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _896766)
^  Call: (186) [user] classify_and_convert_charseq_([:], _942494)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_943446, _943448), once(user:catch(read_from_chars([:], _942494), _943428, fail)), '$restore_trace'(_943446, _943448))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_943446, _943448))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _943428, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _896766=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _955574)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _957432)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _967026)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _969730)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _986664)
   Exit: (184) [system] peek_char((0x560c892e10d0), k)
   Call: (184) [system] k=')'
   Fail: (184) [system] k=')'
   Call: (184) [system] k=end_of_file
   Fail: (184) [system] k=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _992234)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _994092)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1010102)
   Exit: (185) [system] get_char((0x560c892e10d0), k)
   Call: (185) [system] k='('
   Fail: (185) [system] k='('
   Call: (185) [system] k='['
   Fail: (185) [system] k='['
   Call: (185) [system] k='{'
   Fail: (185) [system] k='{'
   Call: (185) [system] k='"'
   Fail: (185) [system] k='"'
   Call: (185) [system] k=!
   Fail: (185) [system] k=!
   Call: (185) [system] k='\''
   Fail: (185) [system] k='\''
   Call: (185) [system] k='`'
   Fail: (185) [system] k='`'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x560c892e10d0), k, _992234)
^  Call: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), _1027744)
   Call: (187) [system] peek_char((0x560c892e10d0), _1028678)
   Exit: (187) [system] peek_char((0x560c892e10d0), b)
^  Call: (187) [user] is_delimiter(b)
   Call: (188) [system] char_type(b, space)
   Fail: (188) [system] char_type(b, space)
   Call: (188) [system] arg(_1033398, v('(', ')', end_of_file), b)
   Fail: (188) [system] arg(_1034330, v('(', ')', end_of_file), b)
^  Fail: (187) [user] is_delimiter(b)
   Call: (187) [system] ')'==b
   Fail: (187) [system] ')'==b
   Call: (187) [system] get_char((0x560c892e10d0), b)
   Exit: (187) [system] get_char((0x560c892e10d0), b)
   Call: (187) [system] b=(\)
   Fail: (187) [system] b=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1041680)
   Call: (188) [system] peek_char((0x560c892e10d0), _1042614)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (188) [user] is_delimiter(' ')
   Call: (189) [system] char_type(' ', space)
   Exit: (189) [system] char_type(' ', space)
^  Exit: (188) [user] is_delimiter(' ')
   Call: (188) [system] _1041680=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (187) [system] _1027744=[b]
   Exit: (187) [system] [b]=[b]
^  Exit: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (186) [user] classify_and_convert_charseq([k, b], _992234)
^  Call: (187) [user] classify_and_convert_charseq_([k, b], _1054692)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1055644, _1055646), once(user:catch(read_from_chars([k, b], _1054692), _1055626, fail)), '$restore_trace'(_1055644, _1055646))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1055644, _1055646))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1055626, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (187) [system] integer(kb)
   Fail: (187) [system] integer(kb)
   Call: (187) [system] _992234=kb
   Exit: (187) [system] kb=kb
^  Exit: (186) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (185) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1067772)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1069630)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1079224)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1081928)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1098862)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1104432)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1106290)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1122300)
   Exit: (186) [system] get_char((0x560c892e10d0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1104432)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1127870)
   Exit: (188) [system] peek_char((0x560c892e10d0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1143880)
   Exit: (187) [system] peek_char((0x560c892e10d0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1149450)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1151308)
   Exit: (189) [system] peek_char((0x560c892e10d0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1167318)
   Exit: (188) [system] get_char((0x560c892e10d0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), -, _1149450)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1184960)
   Call: (190) [system] peek_char((0x560c892e10d0), _1185894)
   Exit: (190) [system] peek_char((0x560c892e10d0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_1190614, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_1191546, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x560c892e10d0), >)
   Exit: (190) [system] get_char((0x560c892e10d0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1198896)
   Call: (191) [system] peek_char((0x560c892e10d0), _1199830)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1198896=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (190) [system] _1184960=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _1149450)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _1211908)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1212860, _1212862), once(user:catch(read_from_chars([-, >], _1211908), _1212842, fail)), '$restore_trace'(_1212860, _1212862))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1212860, _1212862))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1212842, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _1149450=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1224988)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1226846)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1236440)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1239144)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1256078)
   Exit: (188) [system] peek_char((0x560c892e10d0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1261648)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1263506)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1279516)
   Exit: (189) [system] get_char((0x560c892e10d0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1261648)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297158)
   Call: (191) [system] peek_char((0x560c892e10d0), _1298092)
   Exit: (191) [system] peek_char((0x560c892e10d0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_1302812, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_1303744, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x560c892e10d0), t)
   Exit: (191) [system] get_char((0x560c892e10d0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1311094)
   Call: (192) [system] peek_char((0x560c892e10d0), _1312028)
   Exit: (192) [system] peek_char((0x560c892e10d0), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Fail: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_1316748, v('(', ')', end_of_file), o)
   Fail: (193) [system] arg(_1317680, v('(', ')', end_of_file), o)
^  Fail: (192) [user] is_delimiter(o)
   Call: (192) [system] ')'==o
   Fail: (192) [system] ')'==o
   Call: (192) [system] get_char((0x560c892e10d0), o)
   Exit: (192) [system] get_char((0x560c892e10d0), o)
   Call: (192) [system] o=(\)
   Fail: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325030)
   Call: (193) [system] peek_char((0x560c892e10d0), _1325964)
   Exit: (193) [system] peek_char((0x560c892e10d0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1330684, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1331616, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x560c892e10d0), m)
   Exit: (193) [system] get_char((0x560c892e10d0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338966)
   Call: (194) [system] peek_char((0x560c892e10d0), _1339900)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
^  Call: (194) [user] is_delimiter(')')
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] arg(_1344620, v('(', ')', end_of_file), ')')
   Exit: (195) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (194) [user] is_delimiter(')')
   Call: (194) [system] _1338966=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1325030=[m]
   Exit: (193) [system] [m]=[m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (192) [system] _1311094=[o, m]
   Exit: (192) [system] [o, m]=[o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, m])
   Call: (191) [system] _1297158=[t, o, m]
   Exit: (191) [system] [t, o, m]=[t, o, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, m])
^  Call: (190) [user] classify_and_convert_charseq(['A', t, o, m], _1261648)
^  Call: (191) [user] classify_and_convert_charseq_(['A', t, o, m], _1359438)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1360390, _1360392), once(user:catch(read_from_chars(['A', t, o, m], _1359438), _1360372, fail)), '$restore_trace'(_1360390, _1360392))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1360390, _1360392))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1359438), _1360372, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1359438)
   Fail: (192) [system] atomic(_1359438)
   Call: (192) [system] atom_chars(_1359438, ['A', t, o, m])
   Exit: (192) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (191) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (191) [system] integer('Atom')
   Fail: (191) [system] integer('Atom')
   Call: (191) [system] _1261648='Atom'
   Exit: (191) [system] 'Atom'='Atom'
^  Exit: (190) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'Atom')
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), 'Atom')
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1374388)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1376246)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1392256)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1396046)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1374388=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1224988=['Atom']
   Exit: (188) [system] ['Atom']=['Atom']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), ['Atom'])
   Call: (187) [system] _1104432=[->, 'Atom']
   Exit: (187) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [->, 'Atom'])
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), [->, 'Atom'])
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1407134)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1408992)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1425002)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1428792)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1407134=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1067772=[[->, 'Atom']]
   Exit: (185) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [[->, 'Atom']])
   Call: (184) [system] _955574=[kb, [->, 'Atom']]
   Exit: (184) [system] [kb, [->, 'Atom']]=[kb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [kb, [->, 'Atom']])
   Call: (183) [system] _818272=[:, kb, [->, 'Atom']]
   Exit: (183) [system] [:, kb, [->, 'Atom']]=[:, kb, [->, 'Atom']]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [:, kb, [->, 'Atom']])
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), [:, kb, [->, 'Atom']])
^  Exit: (180) [user] read_sexpr((0x560c892e10d0), [:, kb, [->, 'Atom']])
^  Call: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (178) [system] once(user:(read_position((0x560c892e10d0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966)), read_sexpr((0x560c892e10d0), [:, kb, [->, 'Atom']]), assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1447310, _1447312, _1447314, _1447316, _1447318))
^  Exit: (178) [user] retract(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774)
   Call: (188) [system] var('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] atom('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==true
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==false
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==[_1462294, _1462300]
   Call: (188) [system] is_list('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] string('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Exit: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1466928, _1466930)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _1470670)
   Call: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _1470670, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", _1472550)
   Call: (191) [system] var(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==true
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==false
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==[_1477192, _1477198]
   Call: (191) [system] is_list(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
   Exit: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Fail: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
^  Fail: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=_1472550
   Exit: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
^  Exit: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [apply] apply:maplist_([44, 0], _1472552, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(44, _1491072)
   Call: (192) [system] var(44)
   Call: (192) [system] atom(44)
   Call: (192) [system] 44==true
   Call: (192) [system] 44==false
   Call: (192) [system] 44==[_1495714, _1495720]
   Call: (192) [system] is_list(44)
   Call: (192) [system] string(44)
   Call: (192) [system] compound(44)
^  Call: (192) [user] symbol(44)
   Call: (193) [system] atom(44)
   Fail: (193) [system] atom(44)
^  Fail: (192) [user] symbol(44)
   Call: (192) [system] 44=_1491072
   Exit: (192) [system] 44=44
^  Exit: (191) [user] mfix_vars1(44, 44)
   Call: (191) [apply] apply:maplist_([0], _1491074, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1506838)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1511480, _1511486]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1506838
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1506840, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([44, 0], [44, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] compound_name_arguments(_1455774, '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (179) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1729639320_140374, 92)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.3400617)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.3400617-1729639325.4761322
   Exit: (173) [system] 1.8639295101165771 is 1729639327.3400617-1729639325.4761322
   Call: (173) [system] 1.8639295101165771>4
   Fail: (173) [system] 1.8639295101165771>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 10)
   Call: (175) [system] atom(10+1)
   Call: (175) [system] set_flag(translated_forms, 11)
   Exit: (175) [system] set_flag(translated_forms, 11)
   Exit: (174) [$syspreds] update_flag(translated_forms, 10, 10+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 10, 10+1))
   Exit: (171) [$syspreds] flag(translated_forms, 10, 10+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1729639320_140374, 92)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1729639320_140374, 92)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 10, 10+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1729639320_140374, 92)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 94)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 94))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 94))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1628126)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1635548)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1643886)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1646672=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1648540, _1648542, _1648544, _1648546), read_sexpr((0x560c892e10d0), _1648558), assertz(metta_file_comment(_1648540, _1648542, _1648544, _1648558, _1648546))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1648540, _1648542, _1648544, _1648546)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1648546))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1648546))
   Exit: (181) [system] nonvar(position(_1648546))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(3983, 95, 0, 3983)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), _1648540)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1658798)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), _1648540)
   Exit: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), 95)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), 95)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), _1648542)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1666232)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), _1648542)
   Exit: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), _1648544)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1673666)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), _1648544)
   Exit: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), 3983)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), 3983)
^  Exit: (179) [user] read_position((0x560c892e10d0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1648558)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1648558)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1683892)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1699902)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1648558)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1705472)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1721482)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1727052)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1728910)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1744920)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1727052)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1762562)
   Call: (185) [system] peek_char((0x560c892e10d0), _1763496)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1762562=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1727052)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1772780)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1773732, _1773734), once(user:catch(read_from_chars([=], _1772780), _1773714, fail)), '$restore_trace'(_1773732, _1773734))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1773732, _1773734))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1773714, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1727052=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1785860)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1787718)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1797312)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1800016)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1816950)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1822520)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1824378)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1840388)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1822520)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1845958)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1861968)
   Exit: (185) [system] peek_char((0x560c892e10d0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1867538)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1869396)
   Exit: (187) [system] peek_char((0x560c892e10d0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1885406)
   Exit: (186) [system] get_char((0x560c892e10d0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), k, _1867538)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903048)
   Call: (188) [system] peek_char((0x560c892e10d0), _1903982)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1908702, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1909634, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1916984)
   Call: (189) [system] peek_char((0x560c892e10d0), _1917918)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1922638, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1916984=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1903048=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1867538)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1931868)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1932820, _1932822), once(user:catch(read_from_chars([k, b], _1931868), _1932802, fail)), '$restore_trace'(_1932820, _1932822))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1932820, _1932822))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1932802, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1867538=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1944948)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1946806)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1962816)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1966606)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1944948=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1822520=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [kb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1974900)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1976758)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1986352)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1989056)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _2005990)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _2011560)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2013418)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _2029428)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _2011560)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _2034998)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2051008)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _2056578)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2058436)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _2074446)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _2056578)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _2092088)
   Call: (189) [system] peek_char((0x560c892e10d0), _2093022)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _3388=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _3384)
^  Call: (189) [user] classify_and_convert_charseq_([:], _8830)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_9782, _9784), once(user:catch(read_from_chars([:], _8830), _9764, fail)), '$restore_trace'(_9782, _9784))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_9782, _9784))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _9764, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _3384=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _21910)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _23768)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _33362)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _36066)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _53000)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _58570)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _60428)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _76438)
   Exit: (188) [system] get_char((0x560c892e10d0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), a, _58570)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _94080)
   Call: (190) [system] peek_char((0x560c892e10d0), _95014)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _94080=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _58570)
^  Call: (190) [user] classify_and_convert_charseq_([a], _104298)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_105250, _105252), once(user:catch(read_from_chars([a], _104298), _105232, fail)), '$restore_trace'(_105250, _105252))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_105250, _105252))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _105232, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _58570=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _117378)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _119236)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _128830)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _131534)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _148468)
   Exit: (188) [system] peek_char((0x560c892e10d0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _154038)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _155896)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _171906)
   Exit: (189) [system] get_char((0x560c892e10d0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), 'A', _154038)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _189548)
   Call: (191) [system] peek_char((0x560c892e10d0), _190482)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_195202, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _189548=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (190) [user] classify_and_convert_charseq(['A'], _154038)
^  Call: (191) [user] classify_and_convert_charseq_(['A'], _201638)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_202590, _202592), once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), '$restore_trace'(_202590, _202592))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_202590, _202592))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_201638)
   Fail: (192) [system] atomic(_201638)
   Call: (192) [system] atom_chars(_201638, ['A'])
   Exit: (192) [system] atom_chars('A', ['A'])
^  Exit: (191) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (191) [system] integer('A')
   Fail: (191) [system] integer('A')
   Call: (191) [system] _154038='A'
   Exit: (191) [system] 'A'='A'
^  Exit: (190) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _216588)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _218446)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _234456)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _238246)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _216588=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _117378=['A']
   Exit: (188) [system] ['A']=['A']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (187) [system] _21910=[a, 'A']
   Exit: (187) [system] [a, 'A']=[a, 'A']
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [a, 'A'])
   Call: (186) [system] _3378=[:, a, 'A']
   Exit: (186) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, a, 'A'])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'A'])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _252128)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _253986)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _269996)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _273786)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _252128=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, a, 'A']]
   Exit: (184) [system] [[:, a, 'A']]=[[:, a, 'A']]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, a, 'A']])
   Call: (183) [system] _3362=[[kb], [:, a, 'A']]
   Exit: (183) [system] [[kb], [:, a, 'A']]=[[kb], [:, a, 'A']]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[kb], [:, a, 'A']])
   Call: (182) [system] _3322=[=, [kb], [:, a, 'A']]
   Exit: (182) [system] [=, [kb], [:, a, 'A']]=[=, [kb], [:, a, 'A']]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [kb], [:, a, 'A']])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [kb], [:, a, 'A']])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [kb], [:, a, 'A']])
^  Call: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983)), read_sexpr((0x560c892e10d0), [=, [kb], [:, a, 'A']]), assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_292304, _292306, _292308, _292310, _292312))
^  Exit: (177) [user] retract(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _300756))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _300756)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), _300756)
   Call: (187) [system] var('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] atom('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==true
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==false
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==[_307276, _307282]
   Call: (187) [system] is_list('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] string('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Exit: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), _311910, _311912)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;         programs.", 45, 0], _315652)
   Call: (188) [apply] apply:maplist_([";;         programs.", 45, 0], _315652, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;         programs.", _317532)
   Call: (190) [system] var(";;         programs.")
   Call: (190) [system] atom(";;         programs.")
   Call: (190) [system] ";;         programs."==true
   Call: (190) [system] ";;         programs."==false
   Call: (190) [system] ";;         programs."==[_322174, _322180]
   Call: (190) [system] is_list(";;         programs.")
   Call: (190) [system] string(";;         programs.")
   Exit: (190) [system] string(";;         programs.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;         programs.")
^  Call: (190) [user] symbol(";;         programs.")
   Call: (191) [system] atom(";;         programs.")
   Fail: (191) [system] atom(";;         programs.")
^  Fail: (190) [user] symbol(";;         programs.")
   Call: (190) [system] ";;         programs."=_317532
   Exit: (190) [system] ";;         programs."=";;         programs."
^  Exit: (189) [user] mfix_vars1(";;         programs.", ";;         programs.")
   Call: (189) [apply] apply:maplist_([45, 0], _317534, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(45, _336054)
   Call: (191) [system] var(45)
   Call: (191) [system] atom(45)
   Call: (191) [system] 45==true
   Call: (191) [system] 45==false
   Call: (191) [system] 45==[_340696, _340702]
   Call: (191) [system] is_list(45)
   Call: (191) [system] string(45)
   Call: (191) [system] compound(45)
^  Call: (191) [user] symbol(45)
   Call: (192) [system] atom(45)
   Fail: (192) [system] atom(45)
^  Fail: (191) [user] symbol(45)
   Call: (191) [system] 45=_336054
   Exit: (191) [system] 45=45
^  Exit: (190) [user] mfix_vars1(45, 45)
   Call: (190) [apply] apply:maplist_([0], _336056, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _351820)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_356462, _356468]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_351820
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _351822, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([45, 0], [45, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;         programs.", 45, 0], [";;         programs.", 45, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;         programs.", 45, 0], [";;         programs.", 45, 0])
   Call: (187) [system] compound_name_arguments(_300756, '$COMMENT', [";;         programs.", 45, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _383438))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _383438)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), _383438)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _397396))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _397396)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), _397396)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (178) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1729639320_140374, 94)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.438139)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.438139-1729639325.4761322
   Exit: (173) [system] 1.9620068073272705 is 1729639327.438139-1729639325.4761322
   Call: (173) [system] 1.9620068073272705>4
   Fail: (173) [system] 1.9620068073272705>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 11)
   Call: (175) [system] atom(11+1)
   Call: (175) [system] set_flag(translated_forms, 12)
   Exit: (175) [system] set_flag(translated_forms, 12)
   Exit: (174) [$syspreds] update_flag(translated_forms, 11, 11+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 11, 11+1))
   Exit: (171) [$syspreds] flag(translated_forms, 11, 11+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1729639320_140374, 94)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;         programs."])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;         programs."])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1729639320_140374, 94)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 11, 11+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1729639320_140374, 94)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 95)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 95))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 95))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _472180)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _479602)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _487940)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _490726=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _492594, _492596, _492598, _492600), read_sexpr((0x560c892e10d0), _492612), assertz(metta_file_comment(_492594, _492596, _492598, _492612, _492600))))
^  Call: (179) [user] read_position((0x560c892e10d0), _492594, _492596, _492598, _492600)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_492600))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_492600))
   Exit: (181) [system] nonvar(position(_492600))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4000, 96, 0, 4000)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), _492594)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _502852)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), _492594)
   Exit: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), 96)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), 96)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), _492596)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _510286)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), _492596)
   Exit: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), _492598)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _517720)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), _492598)
   Exit: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), 4000)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), 4000)
^  Exit: (179) [user] read_position((0x560c892e10d0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _492612)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _492612)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _527946)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _543956)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _492612)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _549526)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _565536)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _571106)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _572964)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _588974)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _571106)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _606616)
   Call: (185) [system] peek_char((0x560c892e10d0), _607550)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _606616=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _571106)
^  Call: (185) [user] classify_and_convert_charseq_([=], _616834)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_617786, _617788), once(user:catch(read_from_chars([=], _616834), _617768, fail)), '$restore_trace'(_617786, _617788))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_617786, _617788))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _617768, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _571106=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _629914)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _631772)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _641366)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _644070)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _661004)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _666574)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _668432)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _684442)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _666574)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _690012)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _706022)
   Exit: (185) [system] peek_char((0x560c892e10d0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _711592)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _713450)
   Exit: (187) [system] peek_char((0x560c892e10d0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _729460)
   Exit: (186) [system] get_char((0x560c892e10d0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), k, _711592)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _747102)
   Call: (188) [system] peek_char((0x560c892e10d0), _748036)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_752756, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_753688, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _761038)
   Call: (189) [system] peek_char((0x560c892e10d0), _761972)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_766692, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _761038=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _747102=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _711592)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _775922)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_776874, _776876), once(user:catch(read_from_chars([k, b], _775922), _776856, fail)), '$restore_trace'(_776874, _776876))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_776874, _776876))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _776856, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _711592=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _789002)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _790860)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _806870)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _810660)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _789002=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _666574=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [kb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _818954)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _820812)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _830406)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _833110)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _850044)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _855614)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _857472)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _873482)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _855614)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _879052)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _895062)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _900632)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _902490)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _918500)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _900632)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _936142)
   Call: (189) [system] peek_char((0x560c892e10d0), _937076)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _936142=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _900632)
^  Call: (189) [user] classify_and_convert_charseq_([:], _946360)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_947312, _947314), once(user:catch(read_from_chars([:], _946360), _947294, fail)), '$restore_trace'(_947312, _947314))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_947312, _947314))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _947294, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _900632=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _959440)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _961298)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _970892)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _973596)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _990530)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _996100)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _997958)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1013968)
   Exit: (188) [system] get_char((0x560c892e10d0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), a, _996100)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031610)
   Call: (190) [system] peek_char((0x560c892e10d0), _1032544)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1031610=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _996100)
^  Call: (190) [user] classify_and_convert_charseq_([a], _1041828)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1042780, _1042782), once(user:catch(read_from_chars([a], _1041828), _1042762, fail)), '$restore_trace'(_1042780, _1042782))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1042780, _1042782))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1042762, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _996100=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1054908)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1056766)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1066360)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1069064)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1085998)
   Exit: (188) [system] peek_char((0x560c892e10d0), 'B')
   Call: (188) [system] 'B'=')'
   Fail: (188) [system] 'B'=')'
   Call: (188) [system] 'B'=end_of_file
   Fail: (188) [system] 'B'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1091568)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1093426)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1109436)
   Exit: (189) [system] get_char((0x560c892e10d0), 'B')
   Call: (189) [system] 'B'='('
   Fail: (189) [system] 'B'='('
   Call: (189) [system] 'B'='['
   Fail: (189) [system] 'B'='['
   Call: (189) [system] 'B'='{'
   Fail: (189) [system] 'B'='{'
   Call: (189) [system] 'B'='"'
   Fail: (189) [system] 'B'='"'
   Call: (189) [system] 'B'=!
   Fail: (189) [system] 'B'=!
   Call: (189) [system] 'B'='\''
   Fail: (189) [system] 'B'='\''
   Call: (189) [system] 'B'='`'
   Fail: (189) [system] 'B'='`'
   Call: (189) [system] 'B'=end_of_file
   Fail: (189) [system] 'B'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1091568)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1127078)
   Call: (191) [system] peek_char((0x560c892e10d0), _1128012)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_1132732, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1127078=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (190) [user] classify_and_convert_charseq(['B'], _1091568)
^  Call: (191) [user] classify_and_convert_charseq_(['B'], _1139168)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1140120, _1140122), once(user:catch(read_from_chars(['B'], _1139168), _1140102, fail)), '$restore_trace'(_1140120, _1140122))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1140120, _1140122))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1139168), _1140102, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1139168)
   Fail: (192) [system] atomic(_1139168)
   Call: (192) [system] atom_chars(_1139168, ['B'])
   Exit: (192) [system] atom_chars('B', ['B'])
^  Exit: (191) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (191) [system] integer('B')
   Fail: (191) [system] integer('B')
   Call: (191) [system] _1091568='B'
   Exit: (191) [system] 'B'='B'
^  Exit: (190) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1154118)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1155976)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1171986)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1175776)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1154118=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1054908=['B']
   Exit: (188) [system] ['B']=['B']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (187) [system] _959440=[a, 'B']
   Exit: (187) [system] [a, 'B']=[a, 'B']
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [a, 'B'])
   Call: (186) [system] _855614=[:, a, 'B']
   Exit: (186) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, a, 'B'])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'B'])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1189658)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1191516)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1207526)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1211316)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1189658=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _818954=[[:, a, 'B']]
   Exit: (184) [system] [[:, a, 'B']]=[[:, a, 'B']]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, a, 'B']])
   Call: (183) [system] _629914=[[kb], [:, a, 'B']]
   Exit: (183) [system] [[kb], [:, a, 'B']]=[[kb], [:, a, 'B']]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[kb], [:, a, 'B']])
   Call: (182) [system] _492612=[=, [kb], [:, a, 'B']]
   Exit: (182) [system] [=, [kb], [:, a, 'B']]=[=, [kb], [:, a, 'B']]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [kb], [:, a, 'B']])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [kb], [:, a, 'B']])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [kb], [:, a, 'B']])
^  Call: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000)), read_sexpr((0x560c892e10d0), [=, [kb], [:, a, 'B']]), assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1229834, _1229836, _1229838, _1229840, _1229842))
^  Exit: (177) [user] retract(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _1232666)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), _1232666)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 46, 0), _1238282))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 46, 0), _1238282)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), _1238282)
   Call: (187) [system] var('$COMMENT'(";;", 46, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 46, 0))
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==[_1244802, _1244808]
   Call: (187) [system] is_list('$COMMENT'(";;", 46, 0))
   Call: (187) [system] string('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), _1249436, _1249438)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 46, 0], _1253178)
   Call: (188) [apply] apply:maplist_([";;", 46, 0], _1253178, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _1255058)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_1259700, _1259706]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_1255058
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([46, 0], _1255060, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(46, _1273580)
   Call: (191) [system] var(46)
   Call: (191) [system] atom(46)
   Call: (191) [system] 46==true
   Call: (191) [system] 46==false
   Call: (191) [system] 46==[_1278222, _1278228]
   Call: (191) [system] is_list(46)
   Call: (191) [system] string(46)
   Call: (191) [system] compound(46)
^  Call: (191) [user] symbol(46)
   Call: (192) [system] atom(46)
   Fail: (192) [system] atom(46)
^  Fail: (191) [user] symbol(46)
   Call: (191) [system] 46=_1273580
   Exit: (191) [system] 46=46
^  Exit: (190) [user] mfix_vars1(46, 46)
   Call: (190) [apply] apply:maplist_([0], _1273582, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1289346)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1293988, _1293994]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1289346
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1289348, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([46, 0], [46, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 46, 0], [";;", 46, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 46, 0], [";;", 46, 0])
   Call: (187) [system] compound_name_arguments(_1238282, '$COMMENT', [";;", 46, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 46, 0), _1320964))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 46, 0), _1320964)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), _1320964)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 46, 0), _1334922))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 46, 0), _1334922)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), _1334922)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (178) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";;", 46, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";;", 46, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 46, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";;", 46, 0)))
   Call: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 46, 0), ynthesize_long_1729639320_140374, 95)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.5350282)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.5350282-1729639325.4761322
   Exit: (173) [system] 2.058896064758301 is 1729639327.5350282-1729639325.4761322
   Call: (173) [system] 2.058896064758301>4
   Fail: (173) [system] 2.058896064758301>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 12)
   Call: (175) [system] atom(12+1)
   Call: (175) [system] set_flag(translated_forms, 13)
   Exit: (175) [system] set_flag(translated_forms, 13)
   Exit: (174) [$syspreds] update_flag(translated_forms, 12, 12+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 12, 12+1))
   Exit: (171) [$syspreds] flag(translated_forms, 12, 12+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 46, 0), ynthesize_long_1729639320_140374, 95)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 46, 0), ynthesize_long_1729639320_140374, 95)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 12, 12+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";;", 46, 0), ynthesize_long_1729639320_140374, 95)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 96)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 96))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 96))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1409706)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1417128)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1425466)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1428252=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1430120, _1430122, _1430124, _1430126), read_sexpr((0x560c892e10d0), _1430138), assertz(metta_file_comment(_1430120, _1430122, _1430124, _1430138, _1430126))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1430120, _1430122, _1430124, _1430126)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1430126))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1430126))
   Exit: (181) [system] nonvar(position(_1430126))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4017, 97, 0, 4017)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), _1430120)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1440378)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), _1430120)
   Exit: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), 97)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), 97)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), _1430122)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1447812)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), _1430122)
   Exit: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), _1430124)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1455246)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), _1430124)
   Exit: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), 4017)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), 4017)
^  Exit: (179) [user] read_position((0x560c892e10d0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1430138)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1430138)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1465472)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1481482)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1430138)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1487052)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1503062)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1508632)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1510490)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1526500)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1508632)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1544142)
   Call: (185) [system] peek_char((0x560c892e10d0), _1545076)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1544142=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1508632)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1554360)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1555312, _1555314), once(user:catch(read_from_chars([=], _1554360), _1555294, fail)), '$restore_trace'(_1555312, _1555314))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1555312, _1555314))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1555294, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1508632=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1567440)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1569298)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1578892)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1581596)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1598530)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1604100)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1605958)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1621968)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1604100)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1627538)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1643548)
   Exit: (185) [system] peek_char((0x560c892e10d0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1649118)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1650976)
   Exit: (187) [system] peek_char((0x560c892e10d0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1666986)
   Exit: (186) [system] get_char((0x560c892e10d0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), k, _1649118)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1684628)
   Call: (188) [system] peek_char((0x560c892e10d0), _1685562)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1690282, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1691214, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1698564)
   Call: (189) [system] peek_char((0x560c892e10d0), _1699498)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1704218, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1698564=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1684628=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1649118)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1713448)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1714400, _1714402), once(user:catch(read_from_chars([k, b], _1713448), _1714382, fail)), '$restore_trace'(_1714400, _1714402))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1714400, _1714402))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1714382, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1649118=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1726528)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1728386)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1744396)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1748186)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1726528=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1604100=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [kb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1756480)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1758338)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1767932)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1770636)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1787570)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1793140)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1794998)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1811008)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1793140)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1816578)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1832588)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1838158)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1840016)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1856026)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _1838158)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873668)
   Call: (189) [system] peek_char((0x560c892e10d0), _1874602)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1873668=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1838158)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1883886)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1884838, _1884840), once(user:catch(read_from_chars([:], _1883886), _1884820, fail)), '$restore_trace'(_1884838, _1884840))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1884838, _1884840))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1884820, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1838158=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1896966)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1898824)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1908418)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1911122)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1928056)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1933626)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1935484)
   Exit: (189) [system] peek_char((0x560c892e10d0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1951494)
   Exit: (188) [system] get_char((0x560c892e10d0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), a, _1933626)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1969136)
   Call: (190) [system] peek_char((0x560c892e10d0), _1970070)
   Exit: (190) [system] peek_char((0x560c892e10d0), b)
^  Call: (190) [user] is_delimiter(b)
   Call: (191) [system] char_type(b, space)
   Fail: (191) [system] char_type(b, space)
   Call: (191) [system] arg(_1974790, v('(', ')', end_of_file), b)
   Fail: (191) [system] arg(_1975722, v('(', ')', end_of_file), b)
^  Fail: (190) [user] is_delimiter(b)
   Call: (190) [system] ')'==b
   Fail: (190) [system] ')'==b
   Call: (190) [system] get_char((0x560c892e10d0), b)
   Exit: (190) [system] get_char((0x560c892e10d0), b)
   Call: (190) [system] b=(\)
   Fail: (190) [system] b=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1983072)
   Call: (191) [system] peek_char((0x560c892e10d0), _1984006)
   Exit: (191) [system] peek_char((0x560c892e10d0), c)
^  Call: (191) [user] is_delimiter(c)
   Call: (192) [system] char_type(c, space)
   Fail: (192) [system] char_type(c, space)
   Call: (192) [system] arg(_1988726, v('(', ')', end_of_file), c)
   Fail: (192) [system] arg(_1989658, v('(', ')', end_of_file), c)
^  Fail: (191) [user] is_delimiter(c)
   Call: (191) [system] ')'==c
   Fail: (191) [system] ')'==c
   Call: (191) [system] get_char((0x560c892e10d0), c)
   Exit: (191) [system] get_char((0x560c892e10d0), c)
   Call: (191) [system] c=(\)
   Fail: (191) [system] c=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1997008)
   Call: (192) [system] peek_char((0x560c892e10d0), _1997942)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1997008=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1983072=[c]
   Exit: (191) [system] [c]=[c]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (190) [system] _1969136=[b, c]
   Exit: (190) [system] [b, c]=[b, c]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (189) [user] classify_and_convert_charseq([a, b, c], _1933626)
^  Call: (190) [user] classify_and_convert_charseq_([a, b, c], _2012814)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2013766, _2013768), once(user:catch(read_from_chars([a, b, c], _2012814), _2013748, fail)), '$restore_trace'(_2013766, _2013768))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2013766, _2013768))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2013748, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(abc)
   Exit: (191) [system] atomic(abc)
^  Exit: (190) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (190) [system] integer(abc)
   Fail: (190) [system] integer(abc)
   Call: (190) [system] _1933626=abc
   Exit: (190) [system] abc=abc
^  Exit: (189) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _2025894)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _2027752)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _2037346)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2040050)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2056984)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _2062554)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2064412)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _2080422)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _2062554)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2085992)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _8632)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _14202)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _16060)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _32070)
   Exit: (191) [system] get_char((0x560c892e10d0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), 'I', _14202)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _49712)
   Call: (193) [system] peek_char((0x560c892e10d0), _50646)
   Exit: (193) [system] peek_char((0x560c892e10d0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_55366, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_56298, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x560c892e10d0), m)
   Exit: (193) [system] get_char((0x560c892e10d0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _63648)
   Call: (194) [system] peek_char((0x560c892e10d0), _64582)
   Exit: (194) [system] peek_char((0x560c892e10d0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_69302, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_70234, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x560c892e10d0), p)
   Exit: (194) [system] get_char((0x560c892e10d0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _77584)
   Call: (195) [system] peek_char((0x560c892e10d0), _78518)
   Exit: (195) [system] peek_char((0x560c892e10d0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_83238, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_84170, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x560c892e10d0), l)
   Exit: (195) [system] get_char((0x560c892e10d0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _91520)
   Call: (196) [system] peek_char((0x560c892e10d0), _92454)
   Exit: (196) [system] peek_char((0x560c892e10d0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_97174, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_98106, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x560c892e10d0), i)
   Exit: (196) [system] get_char((0x560c892e10d0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _105456)
   Call: (197) [system] peek_char((0x560c892e10d0), _106390)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_111110, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_112042, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x560c892e10d0), c)
   Exit: (197) [system] get_char((0x560c892e10d0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _119392)
   Call: (198) [system] peek_char((0x560c892e10d0), _120326)
   Exit: (198) [system] peek_char((0x560c892e10d0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_125046, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_125978, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x560c892e10d0), a)
   Exit: (198) [system] get_char((0x560c892e10d0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _133328)
   Call: (199) [system] peek_char((0x560c892e10d0), _134262)
   Exit: (199) [system] peek_char((0x560c892e10d0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_138982, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_139914, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x560c892e10d0), t)
   Exit: (199) [system] get_char((0x560c892e10d0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _147264)
   Call: (200) [system] peek_char((0x560c892e10d0), _148198)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_152918, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_153850, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _161200)
   Call: (201) [system] peek_char((0x560c892e10d0), _162134)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_166854, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_167786, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _175136)
   Call: (202) [system] peek_char((0x560c892e10d0), _176070)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_180790, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_181722, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _189072)
   Call: (203) [system] peek_char((0x560c892e10d0), _190006)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _189072=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _175136=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (201) [system] _161200=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (200) [system] _147264=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (199) [system] _133328=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (198) [system] _119392=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (197) [system] _105456=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (196) [system] _91520=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (195) [system] _77584=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _63648=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _49712=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _14202)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _227230)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_228182, _228184), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _227230), _228164, fail)), '$restore_trace'(_228182, _228184))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_228182, _228184))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _227230), _228164, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_227230)
   Fail: (194) [system] atomic(_227230)
   Call: (194) [system] atom_chars(_227230, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _14202='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _242180)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _244038)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _253632)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _256336)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _273270)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _278840)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _280698)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _296708)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _278840)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _302278)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _318288)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _323858)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _325716)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _341726)
   Exit: (194) [system] get_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', _323858)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _359368)
   Call: (196) [system] peek_char((0x560c892e10d0), _360302)
   Exit: (196) [system] peek_char((0x560c892e10d0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_365022, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_365954, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x560c892e10d0), n)
   Exit: (196) [system] get_char((0x560c892e10d0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _373304)
   Call: (197) [system] peek_char((0x560c892e10d0), _374238)
   Exit: (197) [system] peek_char((0x560c892e10d0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_378958, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_379890, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x560c892e10d0), d)
   Exit: (197) [system] get_char((0x560c892e10d0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _387240)
   Call: (198) [system] peek_char((0x560c892e10d0), _388174)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_392894, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_393826, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x560c892e10d0), 'L')
   Exit: (198) [system] get_char((0x560c892e10d0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _401176)
   Call: (199) [system] peek_char((0x560c892e10d0), _402110)
   Exit: (199) [system] peek_char((0x560c892e10d0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_406830, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_407762, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x560c892e10d0), i)
   Exit: (199) [system] get_char((0x560c892e10d0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _415112)
   Call: (200) [system] peek_char((0x560c892e10d0), _416046)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_420766, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_421698, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _429048)
   Call: (201) [system] peek_char((0x560c892e10d0), _429982)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_434702, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_435634, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _442984)
   Call: (202) [system] peek_char((0x560c892e10d0), _443918)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _442984=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (201) [system] _429048=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (200) [system] _415112=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (199) [system] _401176=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (198) [system] _387240=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (197) [system] _373304=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (196) [system] _359368=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _323858)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _469966)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_470918, _470920), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _469966), _470900, fail)), '$restore_trace'(_470918, _470920))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_470918, _470920))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _469966), _470900, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_469966)
   Fail: (197) [system] atomic(_469966)
   Call: (197) [system] atom_chars(_469966, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _323858='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _484916)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _486774)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _496368)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _499072)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _516006)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _521576)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _523434)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _539444)
   Exit: (195) [system] get_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'A', _521576)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _557086)
   Call: (197) [system] peek_char((0x560c892e10d0), _558020)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _557086=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _521576)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _567304)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_568256, _568258), once(user:catch(read_from_chars(['A'], _567304), _568238, fail)), '$restore_trace'(_568256, _568258))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_568256, _568258))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _567304), _568238, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_567304)
   Fail: (198) [system] atomic(_567304)
   Call: (198) [system] atom_chars(_567304, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _521576='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _582254)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _584112)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _593706)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _596410)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _613344)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _618914)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _620772)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _636782)
   Exit: (196) [system] get_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'B', _618914)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _654424)
   Call: (198) [system] peek_char((0x560c892e10d0), _655358)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_660078, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _654424=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _618914)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _666514)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_667466, _667468), once(user:catch(read_from_chars(['B'], _666514), _667448, fail)), '$restore_trace'(_667466, _667468))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_667466, _667468))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _666514), _667448, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_666514)
   Fail: (199) [system] atomic(_666514)
   Call: (199) [system] atom_chars(_666514, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _618914='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _681464)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _683322)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _699332)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _703122)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _681464=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _582254=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (194) [system] _484916=['A', 'B']
   Exit: (194) [system] ['A', 'B']=['A', 'B']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (193) [system] _278840=['AndLink', 'A', 'B']
   Exit: (193) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _717004)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _718862)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _728456)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _731160)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _748094)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'C')
   Call: (192) [system] 'C'=')'
   Fail: (192) [system] 'C'=')'
   Call: (192) [system] 'C'=end_of_file
   Fail: (192) [system] 'C'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _753664)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _755522)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _771532)
   Exit: (193) [system] get_char((0x560c892e10d0), 'C')
   Call: (193) [system] 'C'='('
   Fail: (193) [system] 'C'='('
   Call: (193) [system] 'C'='['
   Fail: (193) [system] 'C'='['
   Call: (193) [system] 'C'='{'
   Fail: (193) [system] 'C'='{'
   Call: (193) [system] 'C'='"'
   Fail: (193) [system] 'C'='"'
   Call: (193) [system] 'C'=!
   Fail: (193) [system] 'C'=!
   Call: (193) [system] 'C'='\''
   Fail: (193) [system] 'C'='\''
   Call: (193) [system] 'C'='`'
   Fail: (193) [system] 'C'='`'
   Call: (193) [system] 'C'=end_of_file
   Fail: (193) [system] 'C'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), 'C', _753664)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _789174)
   Call: (195) [system] peek_char((0x560c892e10d0), _790108)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_794828, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _789174=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq(['C'], _753664)
^  Call: (195) [user] classify_and_convert_charseq_(['C'], _801264)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_802216, _802218), once(user:catch(read_from_chars(['C'], _801264), _802198, fail)), '$restore_trace'(_802216, _802218))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_802216, _802218))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _801264), _802198, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_801264)
   Fail: (196) [system] atomic(_801264)
   Call: (196) [system] atom_chars(_801264, ['C'])
   Exit: (196) [system] atom_chars('C', ['C'])
^  Exit: (195) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (195) [system] integer('C')
   Fail: (195) [system] integer('C')
   Call: (195) [system] _753664='C'
   Exit: (195) [system] 'C'='C'
^  Exit: (194) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _816214)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _818072)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _834082)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _837872)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _816214=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _717004=['C']
   Exit: (192) [system] ['C']=['C']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (191) [system] _242180=[['AndLink', 'A', 'B'], 'C']
   Exit: (191) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (190) [system] _3396=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (190) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _851754)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _853612)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _869622)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _873412)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _851754=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (188) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (187) [system] _3386=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (187) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (186) [system] _3378=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (186) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _887294)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _889152)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _905162)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _908952)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _887294=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (184) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (183) [system] _3362=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (183) [system] [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (182) [system] _3322=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (182) [system] [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017)), read_sexpr((0x560c892e10d0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]), assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_927470, _927472, _927474, _927476, _927478))
^  Exit: (177) [user] retract(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _933134))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _933134))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _933134)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _935934))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _935934)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _935934)
   Call: (187) [system] var('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] atom('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==true
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==false
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==[_942454, _942460]
   Call: (187) [system] is_list('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] string('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Exit: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _947088, _947090)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _950830)
   Call: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _950830, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", _952710)
   Call: (190) [system] var(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==true
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==false
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==[_957352, _957358]
   Call: (190) [system] is_list(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
   Exit: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Fail: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
^  Fail: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=_952710
   Exit: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
^  Exit: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (189) [apply] apply:maplist_([47, 0], _952712, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(47, _971232)
   Call: (191) [system] var(47)
   Call: (191) [system] atom(47)
   Call: (191) [system] 47==true
   Call: (191) [system] 47==false
   Call: (191) [system] 47==[_975874, _975880]
   Call: (191) [system] is_list(47)
   Call: (191) [system] string(47)
   Call: (191) [system] compound(47)
^  Call: (191) [user] symbol(47)
   Call: (192) [system] atom(47)
   Fail: (192) [system] atom(47)
^  Fail: (191) [user] symbol(47)
   Call: (191) [system] 47=_971232
   Exit: (191) [system] 47=47
^  Exit: (190) [user] mfix_vars1(47, 47)
   Call: (190) [apply] apply:maplist_([0], _971234, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _986998)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_991640, _991646]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_986998
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _987000, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([47, 0], [47, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] compound_name_arguments(_935934, '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1015816))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1015816))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1015816)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1018616))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1018616)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1018616)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _930318)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1032574))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1032574)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1032574)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (178) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1729639320_140374, 96)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.7331197)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.7331197-1729639325.4761322
   Exit: (173) [system] 2.2569875717163086 is 1729639327.7331197-1729639325.4761322
   Call: (173) [system] 2.2569875717163086>4
   Fail: (173) [system] 2.2569875717163086>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 13)
   Call: (175) [system] atom(13+1)
   Call: (175) [system] set_flag(translated_forms, 14)
   Exit: (175) [system] set_flag(translated_forms, 14)
   Exit: (174) [$syspreds] update_flag(translated_forms, 13, 13+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 13, 13+1))
   Exit: (171) [$syspreds] flag(translated_forms, 13, 13+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1729639320_140374, 96)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1729639320_140374, 96)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 13, 13+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1729639320_140374, 96)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 97)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 97))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 97))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1107358)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1114780)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1123118)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1125904=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1127772, _1127774, _1127776, _1127778), read_sexpr((0x560c892e10d0), _1127790), assertz(metta_file_comment(_1127772, _1127774, _1127776, _1127790, _1127778))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1127772, _1127774, _1127776, _1127778)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1127778))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1127778))
   Exit: (181) [system] nonvar(position(_1127778))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4064, 98, 0, 4064)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), _1127772)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1138030)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), _1127772)
   Exit: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), 98)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), 98)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), _1127774)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1145464)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), _1127774)
   Exit: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), _1127776)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1152898)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), _1127776)
   Exit: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), 4064)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), 4064)
^  Exit: (179) [user] read_position((0x560c892e10d0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1127790)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1127790)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1163124)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1179134)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1127790)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1184704)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1200714)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1206284)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1208142)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1224152)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1206284)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1241794)
   Call: (185) [system] peek_char((0x560c892e10d0), _1242728)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1241794=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1206284)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1252012)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1252964, _1252966), once(user:catch(read_from_chars([=], _1252012), _1252946, fail)), '$restore_trace'(_1252964, _1252966))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1252964, _1252966))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1252946, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1206284=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1265092)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1266950)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1276544)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1279248)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1296182)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1301752)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1303610)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1319620)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1301752)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1325190)
   Exit: (186) [system] peek_char((0x560c892e10d0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1341200)
   Exit: (185) [system] peek_char((0x560c892e10d0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1346770)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1348628)
   Exit: (187) [system] peek_char((0x560c892e10d0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1364638)
   Exit: (186) [system] get_char((0x560c892e10d0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), k, _1346770)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382280)
   Call: (188) [system] peek_char((0x560c892e10d0), _1383214)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1387934, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1388866, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1396216)
   Call: (189) [system] peek_char((0x560c892e10d0), _1397150)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1401870, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1396216=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1382280=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1346770)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1411100)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1412052, _1412054), once(user:catch(read_from_chars([k, b], _1411100), _1412034, fail)), '$restore_trace'(_1412052, _1412054))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1412052, _1412054))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1412034, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1346770=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1424180)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1426038)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1442048)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1445838)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1424180=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1301752=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [kb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1454132)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1455990)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1465584)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1468288)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1485222)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1490792)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1492650)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1508660)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1490792)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1514230)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1530240)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1535810)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1537668)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1553678)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _1535810)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1571320)
   Call: (189) [system] peek_char((0x560c892e10d0), _1572254)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1571320=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1535810)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1581538)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1582490, _1582492), once(user:catch(read_from_chars([:], _1581538), _1582472, fail)), '$restore_trace'(_1582490, _1582492))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1582490, _1582492))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1582472, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1535810=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1594618)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1596476)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1606070)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1608774)
   Exit: (189) [system] peek_char((0x560c892e10d0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1625708)
   Exit: (187) [system] peek_char((0x560c892e10d0), c)
   Call: (187) [system] c=')'
   Fail: (187) [system] c=')'
   Call: (187) [system] c=end_of_file
   Fail: (187) [system] c=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1631278)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1633136)
   Exit: (189) [system] peek_char((0x560c892e10d0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1649146)
   Exit: (188) [system] get_char((0x560c892e10d0), c)
   Call: (188) [system] c='('
   Fail: (188) [system] c='('
   Call: (188) [system] c='['
   Fail: (188) [system] c='['
   Call: (188) [system] c='{'
   Fail: (188) [system] c='{'
   Call: (188) [system] c='"'
   Fail: (188) [system] c='"'
   Call: (188) [system] c=!
   Fail: (188) [system] c=!
   Call: (188) [system] c='\''
   Fail: (188) [system] c='\''
   Call: (188) [system] c='`'
   Fail: (188) [system] c='`'
   Call: (188) [system] c=end_of_file
   Fail: (188) [system] c=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), c, _1631278)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1666788)
   Call: (190) [system] peek_char((0x560c892e10d0), _1667722)
   Exit: (190) [system] peek_char((0x560c892e10d0), d)
^  Call: (190) [user] is_delimiter(d)
   Call: (191) [system] char_type(d, space)
   Fail: (191) [system] char_type(d, space)
   Call: (191) [system] arg(_1672442, v('(', ')', end_of_file), d)
   Fail: (191) [system] arg(_1673374, v('(', ')', end_of_file), d)
^  Fail: (190) [user] is_delimiter(d)
   Call: (190) [system] ')'==d
   Fail: (190) [system] ')'==d
   Call: (190) [system] get_char((0x560c892e10d0), d)
   Exit: (190) [system] get_char((0x560c892e10d0), d)
   Call: (190) [system] d=(\)
   Fail: (190) [system] d=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1680724)
   Call: (191) [system] peek_char((0x560c892e10d0), _1681658)
   Exit: (191) [system] peek_char((0x560c892e10d0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1686378, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1687310, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x560c892e10d0), e)
   Exit: (191) [system] get_char((0x560c892e10d0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1694660)
   Call: (192) [system] peek_char((0x560c892e10d0), _1695594)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1694660=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1680724=[e]
   Exit: (191) [system] [e]=[e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (190) [system] _1666788=[d, e]
   Exit: (190) [system] [d, e]=[d, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (189) [user] classify_and_convert_charseq([c, d, e], _1631278)
^  Call: (190) [user] classify_and_convert_charseq_([c, d, e], _1710466)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1711418, _1711420), once(user:catch(read_from_chars([c, d, e], _1710466), _1711400, fail)), '$restore_trace'(_1711418, _1711420))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1711418, _1711420))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1711400, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(cde)
   Exit: (191) [system] atomic(cde)
^  Exit: (190) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (190) [system] integer(cde)
   Fail: (190) [system] integer(cde)
   Call: (190) [system] _1631278=cde
   Exit: (190) [system] cde=cde
^  Exit: (189) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1723546)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1725404)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1734998)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1737702)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1754636)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1760206)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1762064)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1778074)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1760206)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1783644)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1799654)
   Exit: (190) [system] peek_char((0x560c892e10d0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1805224)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1807082)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1823092)
   Exit: (191) [system] get_char((0x560c892e10d0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1805224)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1840734)
   Call: (193) [system] peek_char((0x560c892e10d0), _1841668)
   Exit: (193) [system] peek_char((0x560c892e10d0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1846388, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1847320, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x560c892e10d0), m)
   Exit: (193) [system] get_char((0x560c892e10d0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1854670)
   Call: (194) [system] peek_char((0x560c892e10d0), _1855604)
   Exit: (194) [system] peek_char((0x560c892e10d0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1860324, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1861256, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x560c892e10d0), p)
   Exit: (194) [system] get_char((0x560c892e10d0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1868606)
   Call: (195) [system] peek_char((0x560c892e10d0), _1869540)
   Exit: (195) [system] peek_char((0x560c892e10d0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_1874260, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_1875192, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x560c892e10d0), l)
   Exit: (195) [system] get_char((0x560c892e10d0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1882542)
   Call: (196) [system] peek_char((0x560c892e10d0), _1883476)
   Exit: (196) [system] peek_char((0x560c892e10d0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_1888196, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_1889128, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x560c892e10d0), i)
   Exit: (196) [system] get_char((0x560c892e10d0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1896478)
   Call: (197) [system] peek_char((0x560c892e10d0), _1897412)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_1902132, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_1903064, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x560c892e10d0), c)
   Exit: (197) [system] get_char((0x560c892e10d0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910414)
   Call: (198) [system] peek_char((0x560c892e10d0), _1911348)
   Exit: (198) [system] peek_char((0x560c892e10d0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_1916068, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_1917000, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x560c892e10d0), a)
   Exit: (198) [system] get_char((0x560c892e10d0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924350)
   Call: (199) [system] peek_char((0x560c892e10d0), _1925284)
   Exit: (199) [system] peek_char((0x560c892e10d0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_1930004, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_1930936, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x560c892e10d0), t)
   Exit: (199) [system] get_char((0x560c892e10d0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1938286)
   Call: (200) [system] peek_char((0x560c892e10d0), _1939220)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1943940, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1944872, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1952222)
   Call: (201) [system] peek_char((0x560c892e10d0), _1953156)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1957876, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1958808, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1966158)
   Call: (202) [system] peek_char((0x560c892e10d0), _1967092)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1971812, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1972744, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1980094)
   Call: (203) [system] peek_char((0x560c892e10d0), _1981028)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1980094=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1966158=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (201) [system] _1952222=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (200) [system] _1938286=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (199) [system] _1924350=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (198) [system] _1910414=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (197) [system] _1896478=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (196) [system] _1882542=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (195) [system] _1868606=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _1854670=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _1840734=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1805224)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2018252)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_2019204, _2019206), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2018252), _2019186, fail)), '$restore_trace'(_2019204, _2019206))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_2019204, _2019206))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2018252), _2019186, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_2018252)
   Fail: (194) [system] atomic(_2018252)
   Call: (194) [system] atom_chars(_2018252, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _1805224='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _2033202)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2035060)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _2044654)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2047358)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2064292)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _2069862)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2071720)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2087730)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2069862)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2093300)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _15706)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _21276)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _23134)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _39144)
   Exit: (194) [system] get_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', _21276)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _56786)
   Call: (196) [system] peek_char((0x560c892e10d0), _57720)
   Exit: (196) [system] peek_char((0x560c892e10d0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_62440, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_63372, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x560c892e10d0), r)
   Exit: (196) [system] get_char((0x560c892e10d0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _70722)
   Call: (197) [system] peek_char((0x560c892e10d0), _71656)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_76376, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_77308, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x560c892e10d0), 'L')
   Exit: (197) [system] get_char((0x560c892e10d0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _84658)
   Call: (198) [system] peek_char((0x560c892e10d0), _85592)
   Exit: (198) [system] peek_char((0x560c892e10d0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_90312, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_91244, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x560c892e10d0), i)
   Exit: (198) [system] get_char((0x560c892e10d0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _98594)
   Call: (199) [system] peek_char((0x560c892e10d0), _99528)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_104248, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_105180, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _112530)
   Call: (200) [system] peek_char((0x560c892e10d0), _113464)
   Exit: (200) [system] peek_char((0x560c892e10d0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_118184, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_119116, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x560c892e10d0), k)
   Exit: (200) [system] get_char((0x560c892e10d0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _126466)
   Call: (201) [system] peek_char((0x560c892e10d0), _127400)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _126466=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _112530=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (199) [system] _98594=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (198) [system] _84658=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (197) [system] _70722=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (196) [system] _56786=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _21276)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _150654)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_151606, _151608), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _150654), _151588, fail)), '$restore_trace'(_151606, _151608))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_151606, _151608))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _150654), _151588, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_150654)
   Fail: (197) [system] atomic(_150654)
   Call: (197) [system] atom_chars(_150654, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _21276='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _165604)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _167462)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _177056)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _179760)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _196694)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'C')
   Call: (194) [system] 'C'=')'
   Fail: (194) [system] 'C'=')'
   Call: (194) [system] 'C'=end_of_file
   Fail: (194) [system] 'C'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _202264)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _204122)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _220132)
   Exit: (195) [system] get_char((0x560c892e10d0), 'C')
   Call: (195) [system] 'C'='('
   Fail: (195) [system] 'C'='('
   Call: (195) [system] 'C'='['
   Fail: (195) [system] 'C'='['
   Call: (195) [system] 'C'='{'
   Fail: (195) [system] 'C'='{'
   Call: (195) [system] 'C'='"'
   Fail: (195) [system] 'C'='"'
   Call: (195) [system] 'C'=!
   Fail: (195) [system] 'C'=!
   Call: (195) [system] 'C'='\''
   Fail: (195) [system] 'C'='\''
   Call: (195) [system] 'C'='`'
   Fail: (195) [system] 'C'='`'
   Call: (195) [system] 'C'=end_of_file
   Fail: (195) [system] 'C'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'C', _202264)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _237774)
   Call: (197) [system] peek_char((0x560c892e10d0), _238708)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _237774=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['C'], _202264)
^  Call: (197) [user] classify_and_convert_charseq_(['C'], _247992)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_248944, _248946), once(user:catch(read_from_chars(['C'], _247992), _248926, fail)), '$restore_trace'(_248944, _248946))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_248944, _248946))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _247992), _248926, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_247992)
   Fail: (198) [system] atomic(_247992)
   Call: (198) [system] atom_chars(_247992, ['C'])
   Exit: (198) [system] atom_chars('C', ['C'])
^  Exit: (197) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (197) [system] integer('C')
   Fail: (197) [system] integer('C')
   Call: (197) [system] _202264='C'
   Exit: (197) [system] 'C'='C'
^  Exit: (196) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _262942)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _264800)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _274394)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _277098)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _294032)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'D')
   Call: (195) [system] 'D'=')'
   Fail: (195) [system] 'D'=')'
   Call: (195) [system] 'D'=end_of_file
   Fail: (195) [system] 'D'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _299602)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _301460)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _317470)
   Exit: (196) [system] get_char((0x560c892e10d0), 'D')
   Call: (196) [system] 'D'='('
   Fail: (196) [system] 'D'='('
   Call: (196) [system] 'D'='['
   Fail: (196) [system] 'D'='['
   Call: (196) [system] 'D'='{'
   Fail: (196) [system] 'D'='{'
   Call: (196) [system] 'D'='"'
   Fail: (196) [system] 'D'='"'
   Call: (196) [system] 'D'=!
   Fail: (196) [system] 'D'=!
   Call: (196) [system] 'D'='\''
   Fail: (196) [system] 'D'='\''
   Call: (196) [system] 'D'='`'
   Fail: (196) [system] 'D'='`'
   Call: (196) [system] 'D'=end_of_file
   Fail: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'D', _299602)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _335112)
   Call: (198) [system] peek_char((0x560c892e10d0), _336046)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_340766, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _335112=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq(['D'], _299602)
^  Call: (198) [user] classify_and_convert_charseq_(['D'], _347202)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_348154, _348156), once(user:catch(read_from_chars(['D'], _347202), _348136, fail)), '$restore_trace'(_348154, _348156))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_348154, _348156))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _347202), _348136, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_347202)
   Fail: (199) [system] atomic(_347202)
   Call: (199) [system] atom_chars(_347202, ['D'])
   Exit: (199) [system] atom_chars('D', ['D'])
^  Exit: (198) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (198) [system] integer('D')
   Fail: (198) [system] integer('D')
   Call: (198) [system] _299602='D'
   Exit: (198) [system] 'D'='D'
^  Exit: (197) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _362152)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _364010)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _380020)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _383810)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _362152=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _262942=['D']
   Exit: (195) [system] ['D']=['D']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (194) [system] _165604=['C', 'D']
   Exit: (194) [system] ['C', 'D']=['C', 'D']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (193) [system] _3408=['OrLink', 'C', 'D']
   Exit: (193) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _397692)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _399550)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _409144)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _411848)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _428782)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'E')
   Call: (192) [system] 'E'=')'
   Fail: (192) [system] 'E'=')'
   Call: (192) [system] 'E'=end_of_file
   Fail: (192) [system] 'E'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _434352)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _436210)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _452220)
   Exit: (193) [system] get_char((0x560c892e10d0), 'E')
   Call: (193) [system] 'E'='('
   Fail: (193) [system] 'E'='('
   Call: (193) [system] 'E'='['
   Fail: (193) [system] 'E'='['
   Call: (193) [system] 'E'='{'
   Fail: (193) [system] 'E'='{'
   Call: (193) [system] 'E'='"'
   Fail: (193) [system] 'E'='"'
   Call: (193) [system] 'E'=!
   Fail: (193) [system] 'E'=!
   Call: (193) [system] 'E'='\''
   Fail: (193) [system] 'E'='\''
   Call: (193) [system] 'E'='`'
   Fail: (193) [system] 'E'='`'
   Call: (193) [system] 'E'=end_of_file
   Fail: (193) [system] 'E'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), 'E', _434352)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _469862)
   Call: (195) [system] peek_char((0x560c892e10d0), _470796)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_475516, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _469862=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq(['E'], _434352)
^  Call: (195) [user] classify_and_convert_charseq_(['E'], _481952)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_482904, _482906), once(user:catch(read_from_chars(['E'], _481952), _482886, fail)), '$restore_trace'(_482904, _482906))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_482904, _482906))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _481952), _482886, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_481952)
   Fail: (196) [system] atomic(_481952)
   Call: (196) [system] atom_chars(_481952, ['E'])
   Exit: (196) [system] atom_chars('E', ['E'])
^  Exit: (195) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (195) [system] integer('E')
   Fail: (195) [system] integer('E')
   Call: (195) [system] _434352='E'
   Exit: (195) [system] 'E'='E'
^  Exit: (194) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _496902)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _498760)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _514770)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _518560)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _496902=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _397692=['E']
   Exit: (192) [system] ['E']=['E']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (191) [system] _3404=[['OrLink', 'C', 'D'], 'E']
   Exit: (191) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (190) [system] _3396=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (190) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _532442)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _534300)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _550310)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _554100)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _532442=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (188) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (187) [system] _3386=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (187) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (186) [system] _3378=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (186) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _567982)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _569840)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _585850)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _589640)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _567982=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (184) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (183) [system] _3362=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (183) [system] [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (182) [system] _3322=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (182) [system] [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064)), read_sexpr((0x560c892e10d0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]), assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_608158, _608160, _608162, _608164, _608166))
^  Exit: (177) [user] retract(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _610992))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _610992)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), _610992)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _613808))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _613808))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _613808)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _616608))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _616608)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), _616608)
   Call: (187) [system] var('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] atom('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==true
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==false
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==[_623128, _623134]
   Call: (187) [system] is_list('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] string('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Exit: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), _627762, _627764)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; tuples.", 48, 0], _631504)
   Call: (188) [apply] apply:maplist_([";; tuples.", 48, 0], _631504, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; tuples.", _633384)
   Call: (190) [system] var(";; tuples.")
   Call: (190) [system] atom(";; tuples.")
   Call: (190) [system] ";; tuples."==true
   Call: (190) [system] ";; tuples."==false
   Call: (190) [system] ";; tuples."==[_638026, _638032]
   Call: (190) [system] is_list(";; tuples.")
   Call: (190) [system] string(";; tuples.")
   Exit: (190) [system] string(";; tuples.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; tuples.")
^  Call: (190) [user] symbol(";; tuples.")
   Call: (191) [system] atom(";; tuples.")
   Fail: (191) [system] atom(";; tuples.")
^  Fail: (190) [user] symbol(";; tuples.")
   Call: (190) [system] ";; tuples."=_633384
   Exit: (190) [system] ";; tuples."=";; tuples."
^  Exit: (189) [user] mfix_vars1(";; tuples.", ";; tuples.")
   Call: (189) [apply] apply:maplist_([48, 0], _633386, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(48, _651906)
   Call: (191) [system] var(48)
   Call: (191) [system] atom(48)
   Call: (191) [system] 48==true
   Call: (191) [system] 48==false
   Call: (191) [system] 48==[_656548, _656554]
   Call: (191) [system] is_list(48)
   Call: (191) [system] string(48)
   Call: (191) [system] compound(48)
^  Call: (191) [user] symbol(48)
   Call: (192) [system] atom(48)
   Fail: (192) [system] atom(48)
^  Fail: (191) [user] symbol(48)
   Call: (191) [system] 48=_651906
   Exit: (191) [system] 48=48
^  Exit: (190) [user] mfix_vars1(48, 48)
   Call: (190) [apply] apply:maplist_([0], _651908, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _667672)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_672314, _672320]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_667672
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _667674, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([48, 0], [48, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; tuples.", 48, 0], [";; tuples.", 48, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; tuples.", 48, 0], [";; tuples.", 48, 0])
   Call: (187) [system] compound_name_arguments(_616608, '$COMMENT', [";; tuples.", 48, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _696490))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _696490))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _696490)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _699290))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _699290)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), _699290)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _610992))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _610992))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _610992)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _713248))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _713248)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), _713248)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (178) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1729639320_140374, 97)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639327.9276402)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639327.9276402-1729639325.4761322
   Exit: (173) [system] 2.451508045196533 is 1729639327.9276402-1729639325.4761322
   Call: (173) [system] 2.451508045196533>4
   Fail: (173) [system] 2.451508045196533>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 14)
   Call: (175) [system] atom(14+1)
   Call: (175) [system] set_flag(translated_forms, 15)
   Exit: (175) [system] set_flag(translated_forms, 15)
   Exit: (174) [$syspreds] update_flag(translated_forms, 14, 14+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 14, 14+1))
   Exit: (171) [$syspreds] flag(translated_forms, 14, 14+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1729639320_140374, 97)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; tuples."])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; tuples."])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1729639320_140374, 97)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 14, 14+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1729639320_140374, 97)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 98)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 98))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 98))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _788032)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _795454)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _802876)
   Exit: (176) [system] peek_char((0x560c892e10d0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _811214)
   Exit: (178) [system] peek_char((0x560c892e10d0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _814000=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _815868, _815870, _815872, _815874), read_sexpr((0x560c892e10d0), _815886), assertz(metta_file_comment(_815868, _815870, _815872, _815886, _815874))))
^  Call: (180) [user] read_position((0x560c892e10d0), _815868, _815870, _815872, _815874)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_815874))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_815874))
   Exit: (182) [system] nonvar(position(_815874))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(4111, 100, 0, 4111)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), _815868)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _826126)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), _815868)
   Exit: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), 100)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), 100)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), _815870)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _833560)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), _815870)
   Exit: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), _815872)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _840994)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), _815872)
   Exit: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), 4111)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), 4111)
^  Exit: (180) [user] read_position((0x560c892e10d0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _815886)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _815886)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _851220)
   Exit: (183) [system] peek_char((0x560c892e10d0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _867230)
   Exit: (182) [system] get_char((0x560c892e10d0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x560c892e10d0), _878368)
   Call: (183) [system] string((0x560c892e10d0))
   Fail: (183) [system] string((0x560c892e10d0))
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _878368)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _883002)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _899012)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _878368)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _904582)
   Exit: (186) [system] peek_char((0x560c892e10d0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _920592)
   Exit: (185) [system] peek_char((0x560c892e10d0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _926162)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _928020)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _944030)
   Exit: (186) [system] get_char((0x560c892e10d0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), a, _926162)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _961672)
   Call: (188) [system] peek_char((0x560c892e10d0), _962606)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_967326, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_968258, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x560c892e10d0), s)
   Exit: (188) [system] get_char((0x560c892e10d0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _975608)
   Call: (189) [system] peek_char((0x560c892e10d0), _976542)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_981262, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_982194, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x560c892e10d0), s)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _989544)
   Call: (190) [system] peek_char((0x560c892e10d0), _990478)
   Exit: (190) [system] peek_char((0x560c892e10d0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_995198, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_996130, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x560c892e10d0), e)
   Exit: (190) [system] get_char((0x560c892e10d0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003480)
   Call: (191) [system] peek_char((0x560c892e10d0), _1004414)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1009134, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1010066, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017416)
   Call: (192) [system] peek_char((0x560c892e10d0), _1018350)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1023070, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1024002, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031352)
   Call: (193) [system] peek_char((0x560c892e10d0), _1032286)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1037006, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1037938, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x560c892e10d0), 'E')
   Exit: (193) [system] get_char((0x560c892e10d0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045288)
   Call: (194) [system] peek_char((0x560c892e10d0), _1046222)
   Exit: (194) [system] peek_char((0x560c892e10d0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1050942, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1051874, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x560c892e10d0), q)
   Exit: (194) [system] get_char((0x560c892e10d0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059224)
   Call: (195) [system] peek_char((0x560c892e10d0), _1060158)
   Exit: (195) [system] peek_char((0x560c892e10d0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1064878, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1065810, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x560c892e10d0), u)
   Exit: (195) [system] get_char((0x560c892e10d0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073160)
   Call: (196) [system] peek_char((0x560c892e10d0), _1074094)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1078814, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1079746, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x560c892e10d0), a)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087096)
   Call: (197) [system] peek_char((0x560c892e10d0), _1088030)
   Exit: (197) [system] peek_char((0x560c892e10d0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1092750, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1093682, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x560c892e10d0), l)
   Exit: (197) [system] get_char((0x560c892e10d0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101032)
   Call: (198) [system] peek_char((0x560c892e10d0), _1101966)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1106686, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1107618, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x560c892e10d0), 'T')
   Exit: (198) [system] get_char((0x560c892e10d0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1114968)
   Call: (199) [system] peek_char((0x560c892e10d0), _1115902)
   Exit: (199) [system] peek_char((0x560c892e10d0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1120622, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1121554, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x560c892e10d0), o)
   Exit: (199) [system] get_char((0x560c892e10d0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1128904)
   Call: (200) [system] peek_char((0x560c892e10d0), _1129838)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1134558, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1135490, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x560c892e10d0), 'R')
   Exit: (200) [system] get_char((0x560c892e10d0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1142840)
   Call: (201) [system] peek_char((0x560c892e10d0), _1143774)
   Exit: (201) [system] peek_char((0x560c892e10d0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1148494, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1149426, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x560c892e10d0), e)
   Exit: (201) [system] get_char((0x560c892e10d0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1156776)
   Call: (202) [system] peek_char((0x560c892e10d0), _1157710)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1162430, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1163362, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x560c892e10d0), s)
   Exit: (202) [system] get_char((0x560c892e10d0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1170712)
   Call: (203) [system] peek_char((0x560c892e10d0), _1171646)
   Exit: (203) [system] peek_char((0x560c892e10d0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1176366, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1177298, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x560c892e10d0), u)
   Exit: (203) [system] get_char((0x560c892e10d0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1184648)
   Call: (204) [system] peek_char((0x560c892e10d0), _1185582)
   Exit: (204) [system] peek_char((0x560c892e10d0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1190302, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1191234, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x560c892e10d0), l)
   Exit: (204) [system] get_char((0x560c892e10d0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1198584)
   Call: (205) [system] peek_char((0x560c892e10d0), _1199518)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1204238, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1205170, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1212520)
   Call: (206) [system] peek_char((0x560c892e10d0), _1213454)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _1212520=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1198584=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (204) [system] _1184648=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, t])
   Call: (203) [system] _1170712=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, l, t])
   Call: (202) [system] _1156776=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, u, l, t])
   Call: (201) [system] _1142840=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, u, l, t])
   Call: (200) [system] _1128904=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['R', e, s, u, l, t])
   Call: (199) [system] _1114968=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1101032=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1087096=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1073160=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1059224=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1045288=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1031352=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1017416=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1003480=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _989544=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _975608=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _961672=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _926162)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1273030)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1273982, _1273984), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1273030), _1273964, fail)), '$restore_trace'(_1273982, _1273984))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1273982, _1273984))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1273964, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _926162=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1286110)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1287968)
   Exit: (187) [system] peek_char((0x560c892e10d0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
   Call: (187) [system] '\n'=(/)
   Fail: (187) [system] '\n'=(/)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x560c892e10d0), _1299418)
   Exit: (187) [system] get_char((0x560c892e10d0), '\n')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1302122)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1311716)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1314420)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1324014)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1326718)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1336312)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1339016)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1348610)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1351314)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1371944)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1377514)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1379372)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1395382)
   Exit: (187) [system] get_char((0x560c892e10d0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1377514)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1400952)
   Exit: (189) [system] peek_char((0x560c892e10d0), k)
   Call: (189) [system] k=(;)
   Fail: (189) [system] k=(;)
   Call: (189) [system] k=(/)
   Fail: (189) [system] k=(/)
^  Call: (189) [user] is_like_space(k)
   Call: (190) [system] char_type(k, 'white')
   Fail: (190) [system] char_type(k, 'white')
   Call: (190) [system] char_type(k, end_of_line)
   Fail: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] char_type(k, space)
   Fail: (190) [system] char_type(k, space)
   Call: (190) [system] char_type(k, cntrl)
   Fail: (190) [system] char_type(k, cntrl)
^  Fail: (189) [user] is_like_space(k)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1416962)
   Exit: (188) [system] peek_char((0x560c892e10d0), k)
   Call: (188) [system] k=')'
   Fail: (188) [system] k=')'
   Call: (188) [system] k=end_of_file
   Fail: (188) [system] k=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1422532)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1424390)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
   Call: (190) [system] k=(;)
   Fail: (190) [system] k=(;)
   Call: (190) [system] k=(/)
   Fail: (190) [system] k=(/)
^  Call: (190) [user] is_like_space(k)
   Call: (191) [system] char_type(k, 'white')
   Fail: (191) [system] char_type(k, 'white')
   Call: (191) [system] char_type(k, end_of_line)
   Fail: (191) [system] char_type(k, end_of_line)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] char_type(k, cntrl)
   Fail: (191) [system] char_type(k, cntrl)
^  Fail: (190) [user] is_like_space(k)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1440400)
   Exit: (189) [system] get_char((0x560c892e10d0), k)
   Call: (189) [system] k='('
   Fail: (189) [system] k='('
   Call: (189) [system] k='['
   Fail: (189) [system] k='['
   Call: (189) [system] k='{'
   Fail: (189) [system] k='{'
   Call: (189) [system] k='"'
   Fail: (189) [system] k='"'
   Call: (189) [system] k=!
   Fail: (189) [system] k=!
   Call: (189) [system] k='\''
   Fail: (189) [system] k='\''
   Call: (189) [system] k='`'
   Fail: (189) [system] k='`'
   Call: (189) [system] k=end_of_file
   Fail: (189) [system] k=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), k, _1422532)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1458042)
   Call: (191) [system] peek_char((0x560c892e10d0), _1458976)
   Exit: (191) [system] peek_char((0x560c892e10d0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1463696, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1464628, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x560c892e10d0), b)
   Exit: (191) [system] get_char((0x560c892e10d0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1471978)
   Call: (192) [system] peek_char((0x560c892e10d0), _1472912)
   Exit: (192) [system] peek_char((0x560c892e10d0), ')')
^  Call: (192) [user] is_delimiter(')')
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] arg(_1477632, v('(', ')', end_of_file), ')')
   Exit: (193) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (192) [user] is_delimiter(')')
   Call: (192) [system] _1471978=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1458042=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (190) [user] classify_and_convert_charseq([k, b], _1422532)
^  Call: (191) [user] classify_and_convert_charseq_([k, b], _1486862)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1487814, _1487816), once(user:catch(read_from_chars([k, b], _1486862), _1487796, fail)), '$restore_trace'(_1487814, _1487816))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1487814, _1487816))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1487796, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(kb)
   Exit: (192) [system] atomic(kb)
^  Exit: (191) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (191) [system] integer(kb)
   Fail: (191) [system] integer(kb)
   Call: (191) [system] _1422532=kb
   Exit: (191) [system] kb=kb
^  Exit: (190) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1499942)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1501800)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1517810)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1521600)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1499942=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1377514=[kb]
   Exit: (188) [system] [kb]=[kb]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [kb])
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), [kb])
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1529894)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1531752)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _1543202)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1545906)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1555500)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1558204)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1567798)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1570502)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1580096)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1582800)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1592394)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1595098)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1615728)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1621298)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1623156)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1639166)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1621298)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1644736)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1654330)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1657034)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1673968)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1679538)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1681396)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1697406)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1679538)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1702976)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1718986)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1724556)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1726414)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1742424)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _1724556)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1760066)
   Call: (194) [system] peek_char((0x560c892e10d0), _1761000)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1760066=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1724556)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1770284)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1771236, _1771238), once(user:catch(read_from_chars([:], _1770284), _1771218, fail)), '$restore_trace'(_1771236, _1771238))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1771236, _1771238))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1771218, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1724556=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1783364)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1785222)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1794816)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1797520)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1814454)
   Exit: (192) [system] peek_char((0x560c892e10d0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1820024)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1821882)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1837892)
   Exit: (193) [system] get_char((0x560c892e10d0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), a, _1820024)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1855534)
   Call: (195) [system] peek_char((0x560c892e10d0), _1856468)
   Exit: (195) [system] peek_char((0x560c892e10d0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1861188, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1862120, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x560c892e10d0), b)
   Exit: (195) [system] get_char((0x560c892e10d0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1869470)
   Call: (196) [system] peek_char((0x560c892e10d0), _1870404)
   Exit: (196) [system] peek_char((0x560c892e10d0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1875124, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_1876056, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x560c892e10d0), c)
   Exit: (196) [system] get_char((0x560c892e10d0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1883406)
   Call: (197) [system] peek_char((0x560c892e10d0), _1884340)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1883406=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1869470=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (195) [system] _1855534=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _1820024)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _1899212)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1900164, _1900166), once(user:catch(read_from_chars([a, b, c], _1899212), _1900146, fail)), '$restore_trace'(_1900164, _1900166))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1900164, _1900166))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1900146, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _1820024=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1912292)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1914150)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1923744)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1926448)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1943382)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1948952)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1950810)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1966820)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1948952)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1972390)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1988400)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1993970)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1995828)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _2011838)
   Exit: (196) [system] get_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1993970)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _2029480)
   Call: (198) [system] peek_char((0x560c892e10d0), _2030414)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_2035134, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_2036066, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _2043416)
   Call: (199) [system] peek_char((0x560c892e10d0), _2044350)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2049070, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_2050002, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _2057352)
   Call: (200) [system] peek_char((0x560c892e10d0), _2058286)
   Exit: (200) [system] peek_char((0x560c892e10d0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_2063006, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_2063938, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x560c892e10d0), l)
   Exit: (200) [system] get_char((0x560c892e10d0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2071288)
   Call: (201) [system] peek_char((0x560c892e10d0), _2072222)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_2076942, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_2077874, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2085224)
   Call: (202) [system] peek_char((0x560c892e10d0), _2086158)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2090878, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2091810, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _5870)
   Call: (203) [system] peek_char((0x560c892e10d0), _6804)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_11524, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_12456, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x560c892e10d0), a)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _19806)
   Call: (204) [system] peek_char((0x560c892e10d0), _20740)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_25460, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_26392, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _33742)
   Call: (205) [system] peek_char((0x560c892e10d0), _34676)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_39396, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_40328, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _47678)
   Call: (206) [system] peek_char((0x560c892e10d0), _48612)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_53332, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_54264, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _61614)
   Call: (207) [system] peek_char((0x560c892e10d0), _62548)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_67268, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_68200, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _75550)
   Call: (208) [system] peek_char((0x560c892e10d0), _76484)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _75550=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _61614=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (206) [system] _47678=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (205) [system] _33742=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (204) [system] _19806=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (203) [system] _5870=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (202) [system] _3434=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (201) [system] _3430=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (200) [system] _3426=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _3422=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _3418=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3414)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _113708)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_114660, _114662), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _113708), _114642, fail)), '$restore_trace'(_114660, _114662))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_114660, _114662))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _113708), _114642, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_113708)
   Fail: (199) [system] atomic(_113708)
   Call: (199) [system] atom_chars(_113708, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _3414='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _128658)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _130516)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _140110)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _142814)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _159748)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _165318)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _167176)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _183186)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _165318)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _188756)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _204766)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _210336)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _212194)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _228204)
   Exit: (199) [system] get_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', _210336)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _245846)
   Call: (201) [system] peek_char((0x560c892e10d0), _246780)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_251500, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_252432, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _259782)
   Call: (202) [system] peek_char((0x560c892e10d0), _260716)
   Exit: (202) [system] peek_char((0x560c892e10d0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_265436, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_266368, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x560c892e10d0), d)
   Exit: (202) [system] get_char((0x560c892e10d0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _273718)
   Call: (203) [system] peek_char((0x560c892e10d0), _274652)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_279372, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_280304, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x560c892e10d0), 'L')
   Exit: (203) [system] get_char((0x560c892e10d0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _287654)
   Call: (204) [system] peek_char((0x560c892e10d0), _288588)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_293308, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_294240, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _301590)
   Call: (205) [system] peek_char((0x560c892e10d0), _302524)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_307244, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_308176, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _315526)
   Call: (206) [system] peek_char((0x560c892e10d0), _316460)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_321180, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_322112, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _329462)
   Call: (207) [system] peek_char((0x560c892e10d0), _330396)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _329462=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _315526=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (205) [system] _301590=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (204) [system] _287654=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (203) [system] _273718=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (202) [system] _259782=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (201) [system] _245846=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _210336)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _356444)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_357396, _357398), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _356444), _357378, fail)), '$restore_trace'(_357396, _357398))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_357396, _357398))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _356444), _357378, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_356444)
   Fail: (202) [system] atomic(_356444)
   Call: (202) [system] atom_chars(_356444, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _210336='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _371394)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _373252)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _382846)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _385550)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _402484)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _408054)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _409912)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _425922)
   Exit: (200) [system] get_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', _408054)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _443564)
   Call: (202) [system] peek_char((0x560c892e10d0), _444498)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _443564=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _408054)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _453782)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_454734, _454736), once(user:catch(read_from_chars(['A'], _453782), _454716, fail)), '$restore_trace'(_454734, _454736))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_454734, _454736))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _453782), _454716, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_453782)
   Fail: (203) [system] atomic(_453782)
   Call: (203) [system] atom_chars(_453782, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _408054='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _468732)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _470590)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _480184)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _482888)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _499822)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _505392)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _507250)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _523260)
   Exit: (201) [system] get_char((0x560c892e10d0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', _505392)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _540902)
   Call: (203) [system] peek_char((0x560c892e10d0), _541836)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_546556, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _540902=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _505392)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _552992)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_553944, _553946), once(user:catch(read_from_chars(['B'], _552992), _553926, fail)), '$restore_trace'(_553944, _553946))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_553944, _553946))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _552992), _553926, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_552992)
   Fail: (204) [system] atomic(_552992)
   Call: (204) [system] atom_chars(_552992, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _505392='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _567942)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _569800)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _585810)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _589600)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _567942=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _468732=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (199) [system] _371394=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (198) [system] _165318=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _603482)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _605340)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _614934)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _617638)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _634572)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _640142)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _642000)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _658010)
   Exit: (198) [system] get_char((0x560c892e10d0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', _640142)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _675652)
   Call: (200) [system] peek_char((0x560c892e10d0), _676586)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_681306, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _675652=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _640142)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _687742)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_688694, _688696), once(user:catch(read_from_chars(['C'], _687742), _688676, fail)), '$restore_trace'(_688694, _688696))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_688694, _688696))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _687742), _688676, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_687742)
   Fail: (201) [system] atomic(_687742)
   Call: (201) [system] atom_chars(_687742, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _640142='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _702692)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _704550)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _720560)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _724350)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _702692=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _603482=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (196) [system] _128658=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3408=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _738232)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _740090)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _756100)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _759890)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _738232=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _3404=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3390=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _773772)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _775630)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _787080)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _789784)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _799378)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _802082)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _811676)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _814380)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _823974)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _826678)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _836272)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _838976)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _848570)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _851274)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _860868)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _863572)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _886050)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _891620)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _893478)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _909488)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _891620)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _915058)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _931068)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _936638)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _938496)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _954506)
   Exit: (193) [system] get_char((0x560c892e10d0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), :, _936638)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _972148)
   Call: (195) [system] peek_char((0x560c892e10d0), _973082)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _972148=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _936638)
^  Call: (195) [user] classify_and_convert_charseq_([:], _982366)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_983318, _983320), once(user:catch(read_from_chars([:], _982366), _983300, fail)), '$restore_trace'(_983318, _983320))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_983318, _983320))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _983300, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _936638=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _995446)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _997304)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1006898)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1009602)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1026536)
   Exit: (193) [system] peek_char((0x560c892e10d0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1032106)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1033964)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1049974)
   Exit: (194) [system] get_char((0x560c892e10d0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), a, _1032106)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1067616)
   Call: (196) [system] peek_char((0x560c892e10d0), _1068550)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1067616=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1032106)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1077834)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1078786, _1078788), once(user:catch(read_from_chars([a], _1077834), _1078768, fail)), '$restore_trace'(_1078786, _1078788))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1078786, _1078788))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1078768, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1032106=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1090914)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1092772)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1102366)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1105070)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1122004)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1127574)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1129432)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1145442)
   Exit: (195) [system] get_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1127574)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1163084)
   Call: (197) [system] peek_char((0x560c892e10d0), _1164018)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1168738, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1163084=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _1127574)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _1175174)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1176126, _1176128), once(user:catch(read_from_chars(['A'], _1175174), _1176108, fail)), '$restore_trace'(_1176126, _1176128))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1176126, _1176128))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1175174), _1176108, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1175174)
   Fail: (198) [system] atomic(_1175174)
   Call: (198) [system] atom_chars(_1175174, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _1127574='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1190124)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1191982)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1207992)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1211782)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1190124=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1090914=['A']
   Exit: (194) [system] ['A']=['A']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (193) [system] _995446=[a, 'A']
   Exit: (193) [system] [a, 'A']=[a, 'A']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [a, 'A'])
   Call: (192) [system] _891620=[:, a, 'A']
   Exit: (192) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [:, a, 'A'])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'A'])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1225664)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1227522)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1237116)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1239820)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1251270)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1253974)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\t')
   Call: (194) [system] '\t'=(;)
   Fail: (194) [system] '\t'=(;)
   Call: (194) [system] '\t'=(/)
   Fail: (194) [system] '\t'=(/)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x560c892e10d0), _1263568)
   Exit: (194) [system] get_char((0x560c892e10d0), '\t')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1266272)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1275866)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1278570)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1288164)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1290868)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1311498)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1317068)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1318926)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1334936)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1317068)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1340506)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1356516)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1362086)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1363944)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1379954)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _1362086)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1397596)
   Call: (196) [system] peek_char((0x560c892e10d0), _1398530)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1397596=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _1362086)
^  Call: (196) [user] classify_and_convert_charseq_([:], _1407814)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1408766, _1408768), once(user:catch(read_from_chars([:], _1407814), _1408748, fail)), '$restore_trace'(_1408766, _1408768))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1408766, _1408768))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1408748, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _1362086=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1420894)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1422752)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1432346)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1435050)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1451984)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1457554)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1459412)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1475422)
   Exit: (195) [system] get_char((0x560c892e10d0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), a, _1457554)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1493064)
   Call: (197) [system] peek_char((0x560c892e10d0), _1493998)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1493064=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([a], _1457554)
^  Call: (197) [user] classify_and_convert_charseq_([a], _1503282)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1504234, _1504236), once(user:catch(read_from_chars([a], _1503282), _1504216, fail)), '$restore_trace'(_1504234, _1504236))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1504234, _1504236))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1504216, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq_([a], a)
   Call: (197) [system] integer(a)
   Fail: (197) [system] integer(a)
   Call: (197) [system] _1457554=a
   Exit: (197) [system] a=a
^  Exit: (196) [user] classify_and_convert_charseq([a], a)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1516362)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1518220)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1527814)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1530518)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1547452)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1553022)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1554880)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1570890)
   Exit: (196) [system] get_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1553022)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1588532)
   Call: (198) [system] peek_char((0x560c892e10d0), _1589466)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1594186, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1588532=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _1553022)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _1600622)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1601574, _1601576), once(user:catch(read_from_chars(['B'], _1600622), _1601556, fail)), '$restore_trace'(_1601574, _1601576))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1601574, _1601576))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1600622), _1601556, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1600622)
   Fail: (199) [system] atomic(_1600622)
   Call: (199) [system] atom_chars(_1600622, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _1553022='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1615572)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1617430)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1633440)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1637230)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1615572=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1516362=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (194) [system] _1420894=[a, 'B']
   Exit: (194) [system] [a, 'B']=[a, 'B']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [a, 'B'])
   Call: (193) [system] _1317068=[:, a, 'B']
   Exit: (193) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, a, 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'B'])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1651112)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1652970)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1664420)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1667124)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1676718)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1679422)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1689016)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1691720)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1701314)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1704018)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1713612)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1716316)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1725910)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1728614)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1738208)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1740912)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1763390)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1768960)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1770818)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1786828)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1768960)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1792398)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1808408)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1813978)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1815836)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1831846)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _1813978)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1849488)
   Call: (197) [system] peek_char((0x560c892e10d0), _1850422)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1849488=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1813978)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1859706)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1860658, _1860660), once(user:catch(read_from_chars([:], _1859706), _1860640, fail)), '$restore_trace'(_1860658, _1860660))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1860658, _1860660))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1860640, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1813978=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1872786)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1874644)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1884238)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1886942)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1903876)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1909446)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1911304)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1927314)
   Exit: (196) [system] get_char((0x560c892e10d0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), c, _1909446)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1944956)
   Call: (198) [system] peek_char((0x560c892e10d0), _1945890)
   Exit: (198) [system] peek_char((0x560c892e10d0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_1950610, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_1951542, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x560c892e10d0), d)
   Exit: (198) [system] get_char((0x560c892e10d0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1958892)
   Call: (199) [system] peek_char((0x560c892e10d0), _1959826)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1964546, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1965478, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1972828)
   Call: (200) [system] peek_char((0x560c892e10d0), _1973762)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1972828=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1958892=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _1944956=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _1909446)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _1988634)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1989586, _1989588), once(user:catch(read_from_chars([c, d, e], _1988634), _1989568, fail)), '$restore_trace'(_1989586, _1989588))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1989586, _1989588))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1989568, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _1909446=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _2001714)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2003572)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _2013166)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _2015870)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2032804)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _2038374)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _2040232)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _2056242)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _2038374)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2061812)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _2077822)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _2083392)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _2085250)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _7978)
   Exit: (199) [system] get_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'I', _3522)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _25620)
   Call: (201) [system] peek_char((0x560c892e10d0), _26554)
   Exit: (201) [system] peek_char((0x560c892e10d0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_31274, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_32206, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x560c892e10d0), m)
   Exit: (201) [system] get_char((0x560c892e10d0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _39556)
   Call: (202) [system] peek_char((0x560c892e10d0), _40490)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_45210, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_46142, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _53492)
   Call: (203) [system] peek_char((0x560c892e10d0), _54426)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_59146, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_60078, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _67428)
   Call: (204) [system] peek_char((0x560c892e10d0), _68362)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_73082, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_74014, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _81364)
   Call: (205) [system] peek_char((0x560c892e10d0), _82298)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_87018, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_87950, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _95300)
   Call: (206) [system] peek_char((0x560c892e10d0), _96234)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_100954, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_101886, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x560c892e10d0), a)
   Exit: (206) [system] get_char((0x560c892e10d0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _109236)
   Call: (207) [system] peek_char((0x560c892e10d0), _110170)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_114890, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_115822, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _123172)
   Call: (208) [system] peek_char((0x560c892e10d0), _124106)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_128826, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_129758, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _137108)
   Call: (209) [system] peek_char((0x560c892e10d0), _138042)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_142762, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_143694, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _151044)
   Call: (210) [system] peek_char((0x560c892e10d0), _151978)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_156698, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_157630, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _164980)
   Call: (211) [system] peek_char((0x560c892e10d0), _165914)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _164980=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _151044=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (209) [system] _137108=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (208) [system] _123172=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (207) [system] _109236=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (206) [system] _95300=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (205) [system] _81364=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (204) [system] _67428=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (203) [system] _53492=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _39556=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _25620=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3522)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _203138)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_204090, _204092), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _203138), _204072, fail)), '$restore_trace'(_204090, _204092))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_204090, _204092))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _203138), _204072, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_203138)
   Fail: (202) [system] atomic(_203138)
   Call: (202) [system] atom_chars(_203138, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _3522='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _218088)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _219946)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _229540)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _232244)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _249178)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _254748)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _256606)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _272616)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _254748)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _278186)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _294196)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _299766)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _301624)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _317634)
   Exit: (202) [system] get_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', _299766)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _335276)
   Call: (204) [system] peek_char((0x560c892e10d0), _336210)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_340930, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_341862, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _349212)
   Call: (205) [system] peek_char((0x560c892e10d0), _350146)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_354866, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_355798, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x560c892e10d0), 'L')
   Exit: (205) [system] get_char((0x560c892e10d0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _363148)
   Call: (206) [system] peek_char((0x560c892e10d0), _364082)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_368802, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_369734, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _377084)
   Call: (207) [system] peek_char((0x560c892e10d0), _378018)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_382738, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_383670, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _391020)
   Call: (208) [system] peek_char((0x560c892e10d0), _391954)
   Exit: (208) [system] peek_char((0x560c892e10d0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_396674, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_397606, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x560c892e10d0), k)
   Exit: (208) [system] get_char((0x560c892e10d0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _404956)
   Call: (209) [system] peek_char((0x560c892e10d0), _405890)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _404956=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _391020=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (207) [system] _377084=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (206) [system] _363148=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (205) [system] _349212=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (204) [system] _335276=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _299766)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _429144)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_430096, _430098), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _429144), _430078, fail)), '$restore_trace'(_430096, _430098))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_430096, _430098))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _429144), _430078, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_429144)
   Fail: (205) [system] atomic(_429144)
   Call: (205) [system] atom_chars(_429144, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _299766='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _444094)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _445952)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _455546)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _458250)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _475184)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _480754)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _482612)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _498622)
   Exit: (203) [system] get_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', _480754)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _516264)
   Call: (205) [system] peek_char((0x560c892e10d0), _517198)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _516264=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _480754)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _526482)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_527434, _527436), once(user:catch(read_from_chars(['C'], _526482), _527416, fail)), '$restore_trace'(_527434, _527436))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_527434, _527436))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _526482), _527416, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_526482)
   Fail: (206) [system] atomic(_526482)
   Call: (206) [system] atom_chars(_526482, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _480754='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _541432)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _543290)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _552884)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _555588)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _572522)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _578092)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _579950)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _595960)
   Exit: (204) [system] get_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', _578092)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _613602)
   Call: (206) [system] peek_char((0x560c892e10d0), _614536)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_619256, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _613602=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _578092)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _625692)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_626644, _626646), once(user:catch(read_from_chars(['D'], _625692), _626626, fail)), '$restore_trace'(_626644, _626646))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_626644, _626646))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _625692), _626626, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_625692)
   Fail: (207) [system] atomic(_625692)
   Call: (207) [system] atom_chars(_625692, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _578092='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _640642)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _642500)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _658510)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _662300)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _640642=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _541432=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (202) [system] _444094=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (201) [system] _254748=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _676182)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _678040)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _687634)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _690338)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _707272)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _712842)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _714700)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _730710)
   Exit: (201) [system] get_char((0x560c892e10d0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'E', _712842)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _748352)
   Call: (203) [system] peek_char((0x560c892e10d0), _749286)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_754006, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _748352=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _712842)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _760442)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_761394, _761396), once(user:catch(read_from_chars(['E'], _760442), _761376, fail)), '$restore_trace'(_761394, _761396))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_761394, _761396))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _760442), _761376, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_760442)
   Fail: (204) [system] atomic(_760442)
   Call: (204) [system] atom_chars(_760442, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _712842='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _775392)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _777250)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _793260)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _797050)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _775392=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _676182=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (199) [system] _218088=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _3516=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _810932)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _812790)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _828800)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _832590)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _810932=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _3512=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _3506=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3498=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _846472)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _848330)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _864340)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _868130)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _846472=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _3494=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3470=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3446=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3384=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _884806)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _886664)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _902674)
   Exit: (188) [system] peek_char((0x560c892e10d0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x560c892e10d0), _906464)
   Exit: (188) [system] get_char((0x560c892e10d0), ')')
   Call: (188) [system] _884806=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [])
   Call: (187) [system] _3380=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x560c892e10d0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (178) [system] once(user:(read_position((0x560c892e10d0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111)), read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_928702, _928704, _928706, _928708, _928710))
^  Exit: (178) [user] retract(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Call: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614))
^  Call: (180) [user] call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614)
^  Call: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _934430))
^  Call: (183) [user] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _934430))
^  Call: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _934430)
^  Call: (185) [user] once(call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _937230))
^  Call: (186) [user] call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _937230)
^  Call: (187) [user] mfix_vars1([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _937230)
   Call: (188) [system] var([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] atom([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==true
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==false
   Call: (188) [system] (:)=='['
   Call: (188) [system] (:)=='{'
   Call: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _947452)
   Call: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, _947452)
   Call: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _947452)
   Exit: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=='}'
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==[_953968, _953974]
   Call: (188) [system] fail
   Call: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _937230)
   Call: (189) [apply] apply:maplist_([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _937230, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(:, _959548)
   Call: (191) [system] var(:)
   Call: (191) [system] atom(:)
   Exit: (191) [system] atom(:)
^  Call: (191) [user] symbol_concat($, _963256, :)
   Call: (192) [system] atom_concat($, _963256, :)
   Fail: (192) [system] atom_concat($, _963256, :)
^  Fail: (191) [user] symbol_concat($, _963256, :)
   Call: (191) [system] (:)==true
   Call: (191) [system] (:)==false
   Call: (191) [system] (:)==[_968844, _968850]
   Call: (191) [system] is_list(:)
   Call: (191) [system] string(:)
   Call: (191) [system] compound(:)
^  Call: (191) [user] symbol(:)
   Call: (192) [system] atom(:)
   Exit: (192) [system] atom(:)
^  Exit: (191) [user] symbol(:)
^  Exit: (190) [user] mfix_vars1(:, :)
   Call: (190) [apply] apply:maplist_([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _959550, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(synthesize, _978112)
   Call: (192) [system] var(synthesize)
   Call: (192) [system] atom(synthesize)
   Exit: (192) [system] atom(synthesize)
^  Call: (192) [user] symbol_concat($, _981820, synthesize)
   Call: (193) [system] atom_concat($, _981820, synthesize)
   Fail: (193) [system] atom_concat($, _981820, synthesize)
^  Fail: (192) [user] symbol_concat($, _981820, synthesize)
   Call: (192) [system] synthesize==true
   Call: (192) [system] synthesize==false
   Call: (192) [system] synthesize==[_987408, _987414]
   Call: (192) [system] is_list(synthesize)
   Call: (192) [system] string(synthesize)
   Call: (192) [system] compound(synthesize)
^  Call: (192) [user] symbol(synthesize)
   Call: (193) [system] atom(synthesize)
   Exit: (193) [system] atom(synthesize)
^  Exit: (192) [user] symbol(synthesize)
^  Exit: (191) [user] mfix_vars1(synthesize, synthesize)
   Call: (191) [apply] apply:maplist_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _978114, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _996676)
   Call: (193) [system] var([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] atom([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==true
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==false
   Call: (193) [system] (->)=='['
   Call: (193) [system] (->)=='{'
   Call: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _1005020)
   Call: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _1005020)
   Call: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _1005020)
   Call: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _1005020)
   Call: (197) [lists] lists:last_([_a], 'Nat', _1005020)
   Call: (198) [lists] lists:last_([], _a, _1005020)
   Exit: (198) [lists] lists:last_([], _a, _a)
   Exit: (197) [lists] lists:last_([_a], 'Nat', _a)
   Exit: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _a)
   Exit: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _a)
   Exit: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _a)
   Exit: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _a)
   Call: (193) [system] _a=='}'
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==[_1017128, _1017134]
   Call: (193) [system] fail
   Call: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (193) [user] apply:maplist(mfix_vars1, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _996676)
   Call: (194) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _996676, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(->, _1022708)
   Call: (196) [system] var(->)
   Call: (196) [system] atom(->)
   Exit: (196) [system] atom(->)
^  Call: (196) [user] symbol_concat($, _1026416, ->)
   Call: (197) [system] atom_concat($, _1026416, ->)
   Fail: (197) [system] atom_concat($, _1026416, ->)
^  Fail: (196) [user] symbol_concat($, _1026416, ->)
   Call: (196) [system] (->)==true
   Call: (196) [system] (->)==false
   Call: (196) [system] (->)==[_1032004, _1032010]
   Call: (196) [system] is_list(->)
   Call: (196) [system] string(->)
   Call: (196) [system] compound(->)
^  Call: (196) [user] symbol(->)
   Call: (197) [system] atom(->)
   Exit: (197) [system] atom(->)
^  Exit: (196) [user] symbol(->)
^  Exit: (195) [user] mfix_vars1(->, ->)
   Call: (195) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1022710, user:mfix_vars1)
^  Call: (196) [user] mfix_vars1(_a, _1041272)
   Call: (197) [system] var(_a)
   Call: (197) [system] atom(_a)
   Call: (197) [system] _a==true
   Call: (197) [system] _a==false
   Call: (197) [system] _a==[_1045914, _1045920]
   Call: (197) [system] is_list(_a)
   Call: (197) [system] string(_a)
   Call: (197) [system] compound(_a)
   Exit: (197) [system] compound(_a)
   Call: (197) [system] compound_name_arguments(_a, _1050548, _1050550)
   Exit: (197) [system] compound_name_arguments(_a, '$VAR', ['_a'])
   Call: (197) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1056142))
^  Call: (183) [user] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1056142))
^  Call: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1056142)
^  Call: (185) [user] once(call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1058942))
^  Call: (186) [user] call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1058942)
^  Call: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1058942)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614))
^  Call: (183) [user] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614))
^  Call: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _931614)
^  Call: (185) [user] once(call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1072900))
^  Call: (186) [user] call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1072900)
^  Call: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1072900)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [system] call(user:untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (179) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
   Fail: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1729639320_140374, 98)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639328.406506)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639328.406506-1729639325.4761322
   Exit: (173) [system] 2.9303739070892334 is 1729639328.406506-1729639325.4761322
   Call: (173) [system] 2.9303739070892334>4
   Fail: (173) [system] 2.9303739070892334>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 15)
   Call: (175) [system] atom(15+1)
   Call: (175) [system] set_flag(translated_forms, 16)
   Exit: (175) [system] set_flag(translated_forms, 16)
   Exit: (174) [$syspreds] update_flag(translated_forms, 15, 15+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 15, 15+1))
   Exit: (171) [$syspreds] flag(translated_forms, 15, 15+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1729639320_140374, 98)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _1125298, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1125300)
   Call: (173) [system] (:)==(:)
   Exit: (173) [system] (:)==(:)
   Call: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (173) [user] mangle_iz(ynthesize_long_1729639320_140374, _1125298)
^  Call: (174) [user] symbol_concat(ynthesize_long_1729639320_140374, '_iz', _1125298)
   Call: (175) [system] atom_concat(ynthesize_long_1729639320_140374, '_iz', _1125298)
   Exit: (175) [system] atom_concat(ynthesize_long_1729639320_140374, '_iz', ynthesize_long_1729639320_140374_iz)
^  Exit: (174) [user] symbol_concat(ynthesize_long_1729639320_140374, '_iz', ynthesize_long_1729639320_140374_iz)
^  Exit: (173) [user] mangle_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374_iz)
^  Call: (173) [user] apply:maplist(s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1126242)
   Call: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1126242, user:s2t)
^  Call: (175) [user] s2t(->, _1137410)
   Call: (176) [system] compound(->)
   Call: (176) [system] (->)=_1137410
   Exit: (176) [system] (->)=(->)
^  Exit: (175) [user] s2t(->, ->)
   Call: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1137412, user:s2t)
^  Call: (176) [user] s2t(_a, _1142984)
   Call: (177) [system] compound(_a)
   Exit: (177) [system] compound(_a)
   Call: (177) [system] is_list(_a)
^  Call: (177) [user] s2tl(_a, _1142984)
   Call: (178) [system] compound(_a)
   Exit: (178) [system] compound(_a)
^  Exit: (177) [user] s2tl(_a, _a)
^  Exit: (176) [user] s2t(_a, _a)
   Call: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], _1142986, user:s2t)
^  Call: (177) [user] s2t([->, _kt], _1152254)
   Call: (178) [system] compound([->, _kt])
   Exit: (178) [system] compound([->, _kt])
   Call: (178) [system] (->)==(->)
   Exit: (178) [system] (->)==(->)
^  Call: (178) [user] s2tl([_kt], _1156890)
   Call: (179) [system] compound([_kt])
   Exit: (179) [system] compound([_kt])
^  Call: (179) [user] s2t(_kt, _1159670)
   Call: (180) [system] compound(_kt)
   Exit: (180) [system] compound(_kt)
   Call: (180) [system] is_list(_kt)
^  Call: (180) [user] s2tl(_kt, _1159670)
   Call: (181) [system] compound(_kt)
   Exit: (181) [system] compound(_kt)
^  Exit: (180) [user] s2tl(_kt, _kt)
^  Exit: (179) [user] s2t(_kt, _kt)
^  Call: (179) [user] s2tl([], _1159672)
   Call: (180) [system] compound([])
   Call: (180) [system] []=_1159672
   Exit: (180) [system] []=[]
^  Exit: (179) [user] s2tl([], [])
^  Exit: (178) [user] s2tl([_kt], [_kt])
   Call: (178) [system] _1152254=..[->, [_kt]]
   Exit: (178) [system] ->([_kt])=..[->, [_kt]]
^  Exit: (177) [user] s2t([->, _kt], ->([_kt]))
   Call: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], _1152256, user:s2t)
^  Call: (178) [user] s2t([->, _rt], _1177304)
   Call: (179) [system] compound([->, _rt])
   Exit: (179) [system] compound([->, _rt])
   Call: (179) [system] (->)==(->)
   Exit: (179) [system] (->)==(->)
^  Call: (179) [user] s2tl([_rt], _1181940)
   Call: (180) [system] compound([_rt])
   Exit: (180) [system] compound([_rt])
^  Call: (180) [user] s2t(_rt, _1184720)
   Call: (181) [system] compound(_rt)
   Exit: (181) [system] compound(_rt)
   Call: (181) [system] is_list(_rt)
^  Call: (181) [user] s2tl(_rt, _1184720)
   Call: (182) [system] compound(_rt)
   Exit: (182) [system] compound(_rt)
^  Exit: (181) [user] s2tl(_rt, _rt)
^  Exit: (180) [user] s2t(_rt, _rt)
^  Call: (180) [user] s2tl([], _1184722)
   Call: (181) [system] compound([])
   Call: (181) [system] []=_1184722
   Exit: (181) [system] []=[]
^  Exit: (180) [user] s2tl([], [])
^  Exit: (179) [user] s2tl([_rt], [_rt])
   Call: (179) [system] _1177304=..[->, [_rt]]
   Exit: (179) [system] ->([_rt])=..[->, [_rt]]
^  Exit: (178) [user] s2t([->, _rt], ->([_rt]))
   Call: (178) [apply] apply:maplist_(['Nat', _a], _1177306, user:s2t)
^  Call: (179) [user] s2t('Nat', _1202354)
   Call: (180) [system] compound('Nat')
   Call: (180) [system] 'Nat'=_1202354
   Exit: (180) [system] 'Nat'='Nat'
^  Exit: (179) [user] s2t('Nat', 'Nat')
   Call: (179) [apply] apply:maplist_([_a], _1202356, user:s2t)
^  Call: (180) [user] s2t(_a, _1207928)
   Call: (181) [system] compound(_a)
   Exit: (181) [system] compound(_a)
   Call: (181) [system] is_list(_a)
^  Call: (181) [user] s2tl(_a, _1207928)
   Call: (182) [system] compound(_a)
   Exit: (182) [system] compound(_a)
^  Exit: (181) [user] s2tl(_a, _a)
^  Exit: (180) [user] s2t(_a, _a)
   Call: (180) [apply] apply:maplist_([], _1207930, user:s2t)
   Exit: (180) [apply] apply:maplist_([], [], user:s2t)
   Exit: (179) [apply] apply:maplist_([_a], [_a], user:s2t)
   Exit: (178) [apply] apply:maplist_(['Nat', _a], ['Nat', _a], user:s2t)
   Exit: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], [->([_rt]), 'Nat', _a], user:s2t)
   Exit: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], [->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], [_a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
^  Exit: (173) [apply] apply:maplist(user:s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374_iz, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Call: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], _1225594)
   Call: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Exit: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (173) [system] _1225594=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (173) [system] [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Exit: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (172) [system] _1231156=..[ynthesize_long_1729639320_140374_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (172) [system] ynthesize_long_1729639320_140374_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)=..[ynthesize_long_1729639320_140374_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1729639320_140374, 98)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 15, 15+1), write_metta_datalog_term((0x560c893a0f80), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1729639320_140374, 98)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 105)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 105))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 105))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1256356)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1263778)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _1271200)
   Exit: (176) [system] peek_char((0x560c892e10d0), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x560c892e10d0), '\n')
   Exit: (176) [system] get_char((0x560c892e10d0), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1278622)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (178) [system] string((0x560c892e10d0))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (179) [system] at_end_of_stream((0x560c892e10d0))
   Call: (179) [system] peek_char((0x560c892e10d0), _1286960)
   Exit: (179) [system] peek_char((0x560c892e10d0), '(')
   Call: (179) [system] char_type('(', space)
   Call: (179) [system] _1289746=(0x560c892e10d0)
   Exit: (179) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (179) [user] once((read_position((0x560c892e10d0), _1291614, _1291616, _1291618, _1291620), read_sexpr((0x560c892e10d0), _1291632), assertz(metta_file_comment(_1291614, _1291616, _1291618, _1291632, _1291620))))
^  Call: (181) [user] read_position((0x560c892e10d0), _1291614, _1291616, _1291618, _1291620)
   Call: (182) [system] stream_property((0x560c892e10d0), position(_1291620))
   Call: (183) [system] nonvar((0x560c892e10d0))
   Exit: (183) [system] nonvar((0x560c892e10d0))
   Call: (183) [system] nonvar(position(_1291620))
   Exit: (183) [system] nonvar(position(_1291620))
   Exit: (182) [system] stream_property((0x560c892e10d0), position('$stream_position'(4259, 108, 0, 4259)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), _1291614)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1301872)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), _1291614)
   Exit: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), 108)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), 108)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), _1291616)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1309306)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), _1291616)
   Exit: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), _1291618)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1316740)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), _1291618)
   Exit: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), 4259)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), 4259)
^  Exit: (181) [user] read_position((0x560c892e10d0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259))
^  Call: (181) [user] read_sexpr((0x560c892e10d0), _1291632)
   Call: (182) [system] string((0x560c892e10d0))
   Fail: (182) [system] string((0x560c892e10d0))
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1291632)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1326966)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=(;)
   Fail: (184) [system] '('=(;)
   Call: (184) [system] '('=(/)
   Fail: (184) [system] '('=(/)
^  Call: (184) [user] is_like_space('(')
   Call: (185) [system] char_type('(', 'white')
   Fail: (185) [system] char_type('(', 'white')
   Call: (185) [system] char_type('(', end_of_line)
   Fail: (185) [system] char_type('(', end_of_line)
   Call: (185) [system] char_type('(', space)
   Fail: (185) [system] char_type('(', space)
   Call: (185) [system] char_type('(', cntrl)
   Fail: (185) [system] char_type('(', cntrl)
^  Fail: (184) [user] is_like_space('(')
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1342976)
   Exit: (183) [system] get_char((0x560c892e10d0), '(')
   Call: (183) [system] '('='('
   Exit: (183) [system] '('='('
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1291632)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1348546)
   Exit: (185) [system] peek_char((0x560c892e10d0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1364556)
   Exit: (184) [system] peek_char((0x560c892e10d0), :)
   Call: (184) [system] (:)=')'
   Fail: (184) [system] (:)=')'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1370126)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1371984)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=(;)
   Fail: (186) [system] (:)=(;)
   Call: (186) [system] (:)=(/)
   Fail: (186) [system] (:)=(/)
^  Call: (186) [user] is_like_space(:)
   Call: (187) [system] char_type(:, 'white')
   Fail: (187) [system] char_type(:, 'white')
   Call: (187) [system] char_type(:, end_of_line)
   Fail: (187) [system] char_type(:, end_of_line)
   Call: (187) [system] char_type(:, space)
   Fail: (187) [system] char_type(:, space)
   Call: (187) [system] char_type(:, cntrl)
   Fail: (187) [system] char_type(:, cntrl)
^  Fail: (186) [user] is_like_space(:)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1387994)
   Exit: (185) [system] get_char((0x560c892e10d0), :)
   Call: (185) [system] (:)='('
   Fail: (185) [system] (:)='('
   Call: (185) [system] (:)='['
   Fail: (185) [system] (:)='['
   Call: (185) [system] (:)='{'
   Fail: (185) [system] (:)='{'
   Call: (185) [system] (:)='"'
   Fail: (185) [system] (:)='"'
   Call: (185) [system] (:)=!
   Fail: (185) [system] (:)=!
   Call: (185) [system] (:)='\''
   Fail: (185) [system] (:)='\''
   Call: (185) [system] (:)='`'
   Fail: (185) [system] (:)='`'
   Call: (185) [system] (:)=end_of_file
   Fail: (185) [system] (:)=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x560c892e10d0), :, _1370126)
^  Call: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), _1405636)
   Call: (187) [system] peek_char((0x560c892e10d0), _1406570)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (187) [user] is_delimiter(' ')
   Call: (188) [system] char_type(' ', space)
   Exit: (188) [system] char_type(' ', space)
^  Exit: (187) [user] is_delimiter(' ')
   Call: (187) [system] _1405636=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (186) [user] classify_and_convert_charseq([:], _1370126)
^  Call: (187) [user] classify_and_convert_charseq_([:], _1415854)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1416806, _1416808), once(user:catch(read_from_chars([:], _1415854), _1416788, fail)), '$restore_trace'(_1416806, _1416808))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1416806, _1416808))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1416788, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(:)
   Exit: (188) [system] atomic(:)
^  Exit: (187) [user] classify_and_convert_charseq_([:], :)
   Call: (187) [system] integer(:)
   Fail: (187) [system] integer(:)
   Call: (187) [system] _1370126=(:)
   Exit: (187) [system] (:)=(:)
^  Exit: (186) [user] classify_and_convert_charseq([:], :)
^  Exit: (185) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1428934)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1430792)
   Exit: (186) [system] peek_char((0x560c892e10d0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x560c892e10d0), _1440386)
   Exit: (186) [system] get_char((0x560c892e10d0), ' ')
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1443090)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1460024)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1465594)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1467452)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1483462)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _1465594)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1501104)
   Call: (188) [system] peek_char((0x560c892e10d0), _1502038)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1506758, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1507690, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1515040)
   Call: (189) [system] peek_char((0x560c892e10d0), _1515974)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1515040=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1501104=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1465594)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1528052)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1529004, _1529006), once(user:catch(read_from_chars([r, b], _1528052), _1528986, fail)), '$restore_trace'(_1529004, _1529006))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1529004, _1529006))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1528986, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1465594=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1541132)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1542990)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _1552584)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1555288)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1572222)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1577792)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1579650)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1595660)
   Exit: (187) [system] get_char((0x560c892e10d0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1577792)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1601230)
   Exit: (189) [system] peek_char((0x560c892e10d0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1617240)
   Exit: (188) [system] peek_char((0x560c892e10d0), -)
   Call: (188) [system] (-)=')'
   Fail: (188) [system] (-)=')'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1622810)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1624668)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=(;)
   Fail: (190) [system] (-)=(;)
   Call: (190) [system] (-)=(/)
   Fail: (190) [system] (-)=(/)
^  Call: (190) [user] is_like_space(-)
   Call: (191) [system] char_type(-, 'white')
   Fail: (191) [system] char_type(-, 'white')
   Call: (191) [system] char_type(-, end_of_line)
   Fail: (191) [system] char_type(-, end_of_line)
   Call: (191) [system] char_type(-, space)
   Fail: (191) [system] char_type(-, space)
   Call: (191) [system] char_type(-, cntrl)
   Fail: (191) [system] char_type(-, cntrl)
^  Fail: (190) [user] is_like_space(-)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1640678)
   Exit: (189) [system] get_char((0x560c892e10d0), -)
   Call: (189) [system] (-)='('
   Fail: (189) [system] (-)='('
   Call: (189) [system] (-)='['
   Fail: (189) [system] (-)='['
   Call: (189) [system] (-)='{'
   Fail: (189) [system] (-)='{'
   Call: (189) [system] (-)='"'
   Fail: (189) [system] (-)='"'
   Call: (189) [system] (-)=!
   Fail: (189) [system] (-)=!
   Call: (189) [system] (-)='\''
   Fail: (189) [system] (-)='\''
   Call: (189) [system] (-)='`'
   Fail: (189) [system] (-)='`'
   Call: (189) [system] (-)=end_of_file
   Fail: (189) [system] (-)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), -, _1622810)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1658320)
   Call: (191) [system] peek_char((0x560c892e10d0), _1659254)
   Exit: (191) [system] peek_char((0x560c892e10d0), >)
^  Call: (191) [user] is_delimiter(>)
   Call: (192) [system] char_type(>, space)
   Fail: (192) [system] char_type(>, space)
   Call: (192) [system] arg(_1663974, v('(', ')', end_of_file), >)
   Fail: (192) [system] arg(_1664906, v('(', ')', end_of_file), >)
^  Fail: (191) [user] is_delimiter(>)
   Call: (191) [system] ')'==(>)
   Fail: (191) [system] ')'==(>)
   Call: (191) [system] get_char((0x560c892e10d0), >)
   Exit: (191) [system] get_char((0x560c892e10d0), >)
   Call: (191) [system] (>)=(\)
   Fail: (191) [system] (>)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1672256)
   Call: (192) [system] peek_char((0x560c892e10d0), _1673190)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1672256=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (191) [system] _1658320=[>]
   Exit: (191) [system] [>]=[>]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (190) [user] classify_and_convert_charseq([-, >], _1622810)
^  Call: (191) [user] classify_and_convert_charseq_([-, >], _1685268)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1686220, _1686222), once(user:catch(read_from_chars([-, >], _1685268), _1686202, fail)), '$restore_trace'(_1686220, _1686222))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1686220, _1686222))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1686202, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(->)
   Exit: (192) [system] atomic(->)
^  Exit: (191) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (191) [system] integer(->)
   Fail: (191) [system] integer(->)
   Call: (191) [system] _1622810=(->)
   Exit: (191) [system] (->)=(->)
^  Exit: (190) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1698348)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1700206)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1709800)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1712504)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1729438)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'A')
   Call: (189) [system] 'A'=')'
   Fail: (189) [system] 'A'=')'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1735008)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1736866)
   Exit: (191) [system] peek_char((0x560c892e10d0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1752876)
   Exit: (190) [system] get_char((0x560c892e10d0), 'A')
   Call: (190) [system] 'A'='('
   Fail: (190) [system] 'A'='('
   Call: (190) [system] 'A'='['
   Fail: (190) [system] 'A'='['
   Call: (190) [system] 'A'='{'
   Fail: (190) [system] 'A'='{'
   Call: (190) [system] 'A'='"'
   Fail: (190) [system] 'A'='"'
   Call: (190) [system] 'A'=!
   Fail: (190) [system] 'A'=!
   Call: (190) [system] 'A'='\''
   Fail: (190) [system] 'A'='\''
   Call: (190) [system] 'A'='`'
   Fail: (190) [system] 'A'='`'
   Call: (190) [system] 'A'=end_of_file
   Fail: (190) [system] 'A'=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1735008)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1770518)
   Call: (192) [system] peek_char((0x560c892e10d0), _1771452)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1776172, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1777104, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1784454)
   Call: (193) [system] peek_char((0x560c892e10d0), _1785388)
   Exit: (193) [system] peek_char((0x560c892e10d0), o)
^  Call: (193) [user] is_delimiter(o)
   Call: (194) [system] char_type(o, space)
   Fail: (194) [system] char_type(o, space)
   Call: (194) [system] arg(_1790108, v('(', ')', end_of_file), o)
   Fail: (194) [system] arg(_1791040, v('(', ')', end_of_file), o)
^  Fail: (193) [user] is_delimiter(o)
   Call: (193) [system] ')'==o
   Fail: (193) [system] ')'==o
   Call: (193) [system] get_char((0x560c892e10d0), o)
   Exit: (193) [system] get_char((0x560c892e10d0), o)
   Call: (193) [system] o=(\)
   Fail: (193) [system] o=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1798390)
   Call: (194) [system] peek_char((0x560c892e10d0), _1799324)
   Exit: (194) [system] peek_char((0x560c892e10d0), m)
^  Call: (194) [user] is_delimiter(m)
   Call: (195) [system] char_type(m, space)
   Fail: (195) [system] char_type(m, space)
   Call: (195) [system] arg(_1804044, v('(', ')', end_of_file), m)
   Fail: (195) [system] arg(_1804976, v('(', ')', end_of_file), m)
^  Fail: (194) [user] is_delimiter(m)
   Call: (194) [system] ')'==m
   Fail: (194) [system] ')'==m
   Call: (194) [system] get_char((0x560c892e10d0), m)
   Exit: (194) [system] get_char((0x560c892e10d0), m)
   Call: (194) [system] m=(\)
   Fail: (194) [system] m=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1812326)
   Call: (195) [system] peek_char((0x560c892e10d0), _1813260)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1817980, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1812326=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1798390=[m]
   Exit: (194) [system] [m]=[m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (193) [system] _1784454=[o, m]
   Exit: (193) [system] [o, m]=[o, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, m])
   Call: (192) [system] _1770518=[t, o, m]
   Exit: (192) [system] [t, o, m]=[t, o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, o, m])
^  Call: (191) [user] classify_and_convert_charseq(['A', t, o, m], _1735008)
^  Call: (192) [user] classify_and_convert_charseq_(['A', t, o, m], _1832798)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1833750, _1833752), once(user:catch(read_from_chars(['A', t, o, m], _1832798), _1833732, fail)), '$restore_trace'(_1833750, _1833752))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1833750, _1833752))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1832798), _1833732, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_1832798)
   Fail: (193) [system] atomic(_1832798)
   Call: (193) [system] atom_chars(_1832798, ['A', t, o, m])
   Exit: (193) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (192) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (192) [system] integer('Atom')
   Fail: (192) [system] integer('Atom')
   Call: (192) [system] _1735008='Atom'
   Exit: (192) [system] 'Atom'='Atom'
^  Exit: (191) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (190) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'Atom')
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), 'Atom')
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1847748)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1849606)
   Exit: (191) [system] peek_char((0x560c892e10d0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1865616)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x560c892e10d0), _1869406)
   Exit: (190) [system] get_char((0x560c892e10d0), ')')
   Call: (190) [system] _1847748=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [])
   Call: (189) [system] _1698348=['Atom']
   Exit: (189) [system] ['Atom']=['Atom']
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), ['Atom'])
   Call: (188) [system] _1577792=[->, 'Atom']
   Exit: (188) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [->, 'Atom'])
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), [->, 'Atom'])
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1880494)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1882352)
   Exit: (188) [system] peek_char((0x560c892e10d0), ')')
   Call: (188) [system] ')'=(;)
   Fail: (188) [system] ')'=(;)
   Call: (188) [system] ')'=(/)
   Fail: (188) [system] ')'=(/)
^  Call: (188) [user] is_like_space(')')
   Call: (189) [system] char_type(')', 'white')
   Fail: (189) [system] char_type(')', 'white')
   Call: (189) [system] char_type(')', end_of_line)
   Fail: (189) [system] char_type(')', end_of_line)
   Call: (189) [system] char_type(')', space)
   Fail: (189) [system] char_type(')', space)
   Call: (189) [system] char_type(')', cntrl)
   Fail: (189) [system] char_type(')', cntrl)
^  Fail: (188) [user] is_like_space(')')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1898362)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=')'
   Exit: (187) [system] ')'=')'
   Call: (187) [system] get_char((0x560c892e10d0), _1902152)
   Exit: (187) [system] get_char((0x560c892e10d0), ')')
   Call: (187) [system] _1880494=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [])
   Call: (186) [system] _1541132=[[->, 'Atom']]
   Exit: (186) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [[->, 'Atom']])
   Call: (185) [system] _1428934=[rb, [->, 'Atom']]
   Exit: (185) [system] [rb, [->, 'Atom']]=[rb, [->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb, [->, 'Atom']])
   Call: (184) [system] _1291632=[:, rb, [->, 'Atom']]
   Exit: (184) [system] [:, rb, [->, 'Atom']]=[:, rb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [:, rb, [->, 'Atom']])
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), [:, rb, [->, 'Atom']])
^  Exit: (181) [user] read_sexpr((0x560c892e10d0), [:, rb, [->, 'Atom']])
^  Call: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (179) [system] once(user:(read_position((0x560c892e10d0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259)), read_sexpr((0x560c892e10d0), [:, rb, [->, 'Atom']]), assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_1920670, _1920672, _1920674, _1920676, _1920678))
^  Exit: (179) [user] retract(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Call: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _3084)
^  Call: (180) [user] once(call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508))
^  Call: (181) [user] call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508)
^  Call: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1926324))
^  Call: (184) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1926324))
^  Call: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1926324)
^  Call: (186) [user] once(call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1929124))
^  Call: (187) [user] call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1929124)
^  Call: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1929124)
   Call: (189) [system] var('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] atom('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==true
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==false
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==[_1935644, _1935650]
   Call: (189) [system] is_list('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] string('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Exit: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1940278, _1940280)
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] '$COMMENT'\=='$VAR'
   Exit: (189) [system] '$COMMENT'\=='$VAR'
^  Call: (189) [user] apply:maplist(mfix_vars1, [";; Nullary rule (axiom)", 50, 0], _1944020)
   Call: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], _1944020, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(";; Nullary rule (axiom)", _1945900)
   Call: (192) [system] var(";; Nullary rule (axiom)")
   Call: (192) [system] atom(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"==true
   Call: (192) [system] ";; Nullary rule (axiom)"==false
   Call: (192) [system] ";; Nullary rule (axiom)"==[_1950542, _1950548]
   Call: (192) [system] is_list(";; Nullary rule (axiom)")
   Call: (192) [system] string(";; Nullary rule (axiom)")
   Exit: (192) [system] string(";; Nullary rule (axiom)")
^  Call: (192) [user] string_to_syms
   Call: (193) [system] fail
   Call: (192) [system] compound(";; Nullary rule (axiom)")
^  Call: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (193) [system] atom(";; Nullary rule (axiom)")
   Fail: (193) [system] atom(";; Nullary rule (axiom)")
^  Fail: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"=_1945900
   Exit: (192) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
^  Exit: (191) [user] mfix_vars1(";; Nullary rule (axiom)", ";; Nullary rule (axiom)")
   Call: (191) [apply] apply:maplist_([50, 0], _1945902, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(50, _1964422)
   Call: (193) [system] var(50)
   Call: (193) [system] atom(50)
   Call: (193) [system] 50==true
   Call: (193) [system] 50==false
   Call: (193) [system] 50==[_1969064, _1969070]
   Call: (193) [system] is_list(50)
   Call: (193) [system] string(50)
   Call: (193) [system] compound(50)
^  Call: (193) [user] symbol(50)
   Call: (194) [system] atom(50)
   Fail: (194) [system] atom(50)
^  Fail: (193) [user] symbol(50)
   Call: (193) [system] 50=_1964422
   Exit: (193) [system] 50=50
^  Exit: (192) [user] mfix_vars1(50, 50)
   Call: (192) [apply] apply:maplist_([0], _1964424, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(0, _1980188)
   Call: (194) [system] var(0)
   Call: (194) [system] atom(0)
   Call: (194) [system] 0==true
   Call: (194) [system] 0==false
   Call: (194) [system] 0==[_1984830, _1984836]
   Call: (194) [system] is_list(0)
   Call: (194) [system] string(0)
   Call: (194) [system] compound(0)
^  Call: (194) [user] symbol(0)
   Call: (195) [system] atom(0)
   Fail: (195) [system] atom(0)
^  Fail: (194) [user] symbol(0)
   Call: (194) [system] 0=_1980188
   Exit: (194) [system] 0=0
^  Exit: (193) [user] mfix_vars1(0, 0)
   Call: (193) [apply] apply:maplist_([], _1980190, user:mfix_vars1)
   Exit: (193) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([50, 0], [50, 0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0], user:mfix_vars1)
^  Exit: (189) [apply] apply:maplist(user:mfix_vars1, [";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] compound_name_arguments(_1929124, '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
^  Exit: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2009006))
^  Call: (184) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2009006))
^  Call: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2009006)
^  Call: (186) [user] once(call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2011806))
^  Call: (187) [user] call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2011806)
^  Call: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2011806)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508))
^  Call: (184) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508))
^  Call: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1923508)
^  Call: (186) [user] once(call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2025764))
^  Call: (187) [user] call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2025764)
^  Call: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2025764)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (181) [system] call(user:untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (180) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (180) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (176) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1729639320_140374, 105)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639328.5181897)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639328.5181897-1729639325.4761322
   Exit: (173) [system] 3.042057514190674 is 1729639328.5181897-1729639325.4761322
   Call: (173) [system] 3.042057514190674>4
   Fail: (173) [system] 3.042057514190674>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 16)
   Call: (175) [system] atom(16+1)
   Call: (175) [system] set_flag(translated_forms, 17)
   Exit: (175) [system] set_flag(translated_forms, 17)
   Exit: (174) [$syspreds] update_flag(translated_forms, 16, 16+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 16, 16+1))
   Exit: (171) [$syspreds] flag(translated_forms, 16, 16+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1729639320_140374, 105)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1729639320_140374, 105)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 16, 16+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1729639320_140374, 105)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 108)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 108))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 108))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _8792)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _16214)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _24552)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _27338=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _29206, _29208, _29210, _29212), read_sexpr((0x560c892e10d0), _29224), assertz(metta_file_comment(_29206, _29208, _29210, _29224, _29212))))
^  Call: (179) [user] read_position((0x560c892e10d0), _29206, _29208, _29210, _29212)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_29212))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_29212))
   Exit: (181) [system] nonvar(position(_29212))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4276, 109, 0, 4276)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), _29206)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _39464)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), _29206)
   Exit: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), 109)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), 109)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), _29208)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _46898)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), _29208)
   Exit: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), _29210)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _54332)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), _29210)
   Exit: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), 4276)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), 4276)
^  Exit: (179) [user] read_position((0x560c892e10d0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _29224)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _29224)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _64558)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _80568)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _29224)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _86138)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _102148)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _107718)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _109576)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _125586)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _107718)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _143228)
   Call: (185) [system] peek_char((0x560c892e10d0), _144162)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _143228=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _107718)
^  Call: (185) [user] classify_and_convert_charseq_([=], _153446)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_154398, _154400), once(user:catch(read_from_chars([=], _153446), _154380, fail)), '$restore_trace'(_154398, _154400))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_154398, _154400))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _154380, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _107718=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _166526)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _168384)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _177978)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _180682)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _197616)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _203186)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _205044)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _221054)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _203186)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _226624)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _242634)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _248204)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _250062)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _266072)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _248204)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _283714)
   Call: (188) [system] peek_char((0x560c892e10d0), _284648)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_289368, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_290300, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _297650)
   Call: (189) [system] peek_char((0x560c892e10d0), _298584)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_303304, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _297650=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _283714=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _248204)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _312534)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_313486, _313488), once(user:catch(read_from_chars([r, b], _312534), _313468, fail)), '$restore_trace'(_313486, _313488))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_313486, _313488))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _313468, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _248204=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _325614)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _327472)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _343482)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _347272)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _325614=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _203186=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _355566)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _357424)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _367018)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _369722)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _386656)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _392226)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _394084)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _410094)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _392226)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _415664)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _431674)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _437244)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _439102)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _455112)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _437244)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _472754)
   Call: (189) [system] peek_char((0x560c892e10d0), _473688)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _472754=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _437244)
^  Call: (189) [user] classify_and_convert_charseq_([:], _482972)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_483924, _483926), once(user:catch(read_from_chars([:], _482972), _483906, fail)), '$restore_trace'(_483924, _483926))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_483924, _483926))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _483906, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _437244=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _496052)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _497910)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _507504)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _510208)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _527142)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'M')
   Call: (187) [system] 'M'=')'
   Fail: (187) [system] 'M'=')'
   Call: (187) [system] 'M'=end_of_file
   Fail: (187) [system] 'M'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _532712)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _534570)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _550580)
   Exit: (188) [system] get_char((0x560c892e10d0), 'M')
   Call: (188) [system] 'M'='('
   Fail: (188) [system] 'M'='('
   Call: (188) [system] 'M'='['
   Fail: (188) [system] 'M'='['
   Call: (188) [system] 'M'='{'
   Fail: (188) [system] 'M'='{'
   Call: (188) [system] 'M'='"'
   Fail: (188) [system] 'M'='"'
   Call: (188) [system] 'M'=!
   Fail: (188) [system] 'M'=!
   Call: (188) [system] 'M'='\''
   Fail: (188) [system] 'M'='\''
   Call: (188) [system] 'M'='`'
   Fail: (188) [system] 'M'='`'
   Call: (188) [system] 'M'=end_of_file
   Fail: (188) [system] 'M'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'M', _532712)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _568222)
   Call: (190) [system] peek_char((0x560c892e10d0), _569156)
   Exit: (190) [system] peek_char((0x560c892e10d0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_573876, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_574808, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x560c892e10d0), o)
   Exit: (190) [system] get_char((0x560c892e10d0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _582158)
   Call: (191) [system] peek_char((0x560c892e10d0), _583092)
   Exit: (191) [system] peek_char((0x560c892e10d0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_587812, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_588744, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x560c892e10d0), d)
   Exit: (191) [system] get_char((0x560c892e10d0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _596094)
   Call: (192) [system] peek_char((0x560c892e10d0), _597028)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_601748, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_602680, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _610030)
   Call: (193) [system] peek_char((0x560c892e10d0), _610964)
   Exit: (193) [system] peek_char((0x560c892e10d0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_615684, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_616616, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x560c892e10d0), s)
   Exit: (193) [system] get_char((0x560c892e10d0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _623966)
   Call: (194) [system] peek_char((0x560c892e10d0), _624900)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'P')
^  Call: (194) [user] is_delimiter('P')
   Call: (195) [system] char_type('P', space)
   Fail: (195) [system] char_type('P', space)
   Call: (195) [system] arg(_629620, v('(', ')', end_of_file), 'P')
   Fail: (195) [system] arg(_630552, v('(', ')', end_of_file), 'P')
^  Fail: (194) [user] is_delimiter('P')
   Call: (194) [system] ')'=='P'
   Fail: (194) [system] ')'=='P'
   Call: (194) [system] get_char((0x560c892e10d0), 'P')
   Exit: (194) [system] get_char((0x560c892e10d0), 'P')
   Call: (194) [system] 'P'=(\)
   Fail: (194) [system] 'P'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _637902)
   Call: (195) [system] peek_char((0x560c892e10d0), _638836)
   Exit: (195) [system] peek_char((0x560c892e10d0), o)
^  Call: (195) [user] is_delimiter(o)
   Call: (196) [system] char_type(o, space)
   Fail: (196) [system] char_type(o, space)
   Call: (196) [system] arg(_643556, v('(', ')', end_of_file), o)
   Fail: (196) [system] arg(_644488, v('(', ')', end_of_file), o)
^  Fail: (195) [user] is_delimiter(o)
   Call: (195) [system] ')'==o
   Fail: (195) [system] ')'==o
   Call: (195) [system] get_char((0x560c892e10d0), o)
   Exit: (195) [system] get_char((0x560c892e10d0), o)
   Call: (195) [system] o=(\)
   Fail: (195) [system] o=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _651838)
   Call: (196) [system] peek_char((0x560c892e10d0), _652772)
   Exit: (196) [system] peek_char((0x560c892e10d0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_657492, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_658424, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x560c892e10d0), n)
   Exit: (196) [system] get_char((0x560c892e10d0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _665774)
   Call: (197) [system] peek_char((0x560c892e10d0), _666708)
   Exit: (197) [system] peek_char((0x560c892e10d0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_671428, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_672360, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x560c892e10d0), e)
   Exit: (197) [system] get_char((0x560c892e10d0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _679710)
   Call: (198) [system] peek_char((0x560c892e10d0), _680644)
   Exit: (198) [system] peek_char((0x560c892e10d0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_685364, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_686296, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x560c892e10d0), n)
   Exit: (198) [system] get_char((0x560c892e10d0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _693646)
   Call: (199) [system] peek_char((0x560c892e10d0), _694580)
   Exit: (199) [system] peek_char((0x560c892e10d0), s)
^  Call: (199) [user] is_delimiter(s)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] arg(_699300, v('(', ')', end_of_file), s)
   Fail: (200) [system] arg(_700232, v('(', ')', end_of_file), s)
^  Fail: (199) [user] is_delimiter(s)
   Call: (199) [system] ')'==s
   Fail: (199) [system] ')'==s
   Call: (199) [system] get_char((0x560c892e10d0), s)
   Exit: (199) [system] get_char((0x560c892e10d0), s)
   Call: (199) [system] s=(\)
   Fail: (199) [system] s=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _707582)
   Call: (200) [system] peek_char((0x560c892e10d0), _708516)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _707582=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _693646=[s]
   Exit: (199) [system] [s]=[s]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [s])
   Call: (198) [system] _679710=[n, s]
   Exit: (198) [system] [n, s]=[n, s]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, s])
   Call: (197) [system] _665774=[e, n, s]
   Exit: (197) [system] [e, n, s]=[e, n, s]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, n, s])
   Call: (196) [system] _651838=[n, e, n, s]
   Exit: (196) [system] [n, e, n, s]=[n, e, n, s]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, e, n, s])
   Call: (195) [system] _637902=[o, n, e, n, s]
   Exit: (195) [system] [o, n, e, n, s]=[o, n, e, n, s]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, e, n, s])
   Call: (194) [system] _623966=['P', o, n, e, n, s]
   Exit: (194) [system] ['P', o, n, e, n, s]=['P', o, n, e, n, s]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), ['P', o, n, e, n, s])
   Call: (193) [system] _610030=[s, 'P', o, n, e, n, s]
   Exit: (193) [system] [s, 'P', o, n, e, n, s]=[s, 'P', o, n, e, n, s]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, 'P', o, n, e, n, s])
   Call: (192) [system] _596094=[u, s, 'P', o, n, e, n, s]
   Exit: (192) [system] [u, s, 'P', o, n, e, n, s]=[u, s, 'P', o, n, e, n, s]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, s, 'P', o, n, e, n, s])
   Call: (191) [system] _582158=[d, u, s, 'P', o, n, e, n, s]
   Exit: (191) [system] [d, u, s, 'P', o, n, e, n, s]=[d, u, s, 'P', o, n, e, n, s]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, s, 'P', o, n, e, n, s])
   Call: (190) [system] _568222=[o, d, u, s, 'P', o, n, e, n, s]
   Exit: (190) [system] [o, d, u, s, 'P', o, n, e, n, s]=[o, d, u, s, 'P', o, n, e, n, s]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, s, 'P', o, n, e, n, s])
^  Call: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], _532712)
^  Call: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], _745740)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_746692, _746694), once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _745740), _746674, fail)), '$restore_trace'(_746692, _746694))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_746692, _746694))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _745740), _746674, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_745740)
   Fail: (191) [system] atomic(_745740)
   Call: (191) [system] atom_chars(_745740, ['M', o, d, u, s, 'P', o, n, e, n, s])
   Exit: (191) [system] atom_chars('ModusPonens', ['M', o, d, u, s, 'P', o, n, e, n, s])
^  Exit: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
   Call: (190) [system] integer('ModusPonens')
   Fail: (190) [system] integer('ModusPonens')
   Call: (190) [system] _532712='ModusPonens'
   Exit: (190) [system] 'ModusPonens'='ModusPonens'
^  Exit: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'M', 'ModusPonens')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'ModusPonens')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _760690)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _762548)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _772142)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _774846)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _791780)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _797350)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _799208)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _815218)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _797350)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _820788)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _836798)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _842368)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _844226)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _860236)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _842368)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _877878)
   Call: (193) [system] peek_char((0x560c892e10d0), _878812)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_883532, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_884464, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _891814)
   Call: (194) [system] peek_char((0x560c892e10d0), _892748)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _891814=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _877878=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _842368)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _904826)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_905778, _905780), once(user:catch(read_from_chars([-, >], _904826), _905760, fail)), '$restore_trace'(_905778, _905780))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_905778, _905780))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _905760, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _842368=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _917906)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _919764)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _929358)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _932062)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _948996)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _954566)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _956424)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _972434)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _954566)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _978004)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _994014)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _999584)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1001442)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1017452)
   Exit: (194) [system] get_char((0x560c892e10d0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'I', _999584)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1035094)
   Call: (196) [system] peek_char((0x560c892e10d0), _1036028)
   Exit: (196) [system] peek_char((0x560c892e10d0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1040748, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1041680, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x560c892e10d0), m)
   Exit: (196) [system] get_char((0x560c892e10d0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1049030)
   Call: (197) [system] peek_char((0x560c892e10d0), _1049964)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1054684, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1055616, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1062966)
   Call: (198) [system] peek_char((0x560c892e10d0), _1063900)
   Exit: (198) [system] peek_char((0x560c892e10d0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1068620, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1069552, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x560c892e10d0), l)
   Exit: (198) [system] get_char((0x560c892e10d0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1076902)
   Call: (199) [system] peek_char((0x560c892e10d0), _1077836)
   Exit: (199) [system] peek_char((0x560c892e10d0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1082556, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1083488, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x560c892e10d0), i)
   Exit: (199) [system] get_char((0x560c892e10d0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1090838)
   Call: (200) [system] peek_char((0x560c892e10d0), _1091772)
   Exit: (200) [system] peek_char((0x560c892e10d0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1096492, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1097424, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x560c892e10d0), c)
   Exit: (200) [system] get_char((0x560c892e10d0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104774)
   Call: (201) [system] peek_char((0x560c892e10d0), _1105708)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1110428, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1111360, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x560c892e10d0), a)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118710)
   Call: (202) [system] peek_char((0x560c892e10d0), _1119644)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1124364, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1125296, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132646)
   Call: (203) [system] peek_char((0x560c892e10d0), _1133580)
   Exit: (203) [system] peek_char((0x560c892e10d0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1138300, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1139232, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x560c892e10d0), i)
   Exit: (203) [system] get_char((0x560c892e10d0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146582)
   Call: (204) [system] peek_char((0x560c892e10d0), _1147516)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1152236, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1153168, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160518)
   Call: (205) [system] peek_char((0x560c892e10d0), _1161452)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1166172, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1167104, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174454)
   Call: (206) [system] peek_char((0x560c892e10d0), _1175388)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1180108, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1181040, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x560c892e10d0), 'L')
   Exit: (206) [system] get_char((0x560c892e10d0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188390)
   Call: (207) [system] peek_char((0x560c892e10d0), _1189324)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1194044, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1194976, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202326)
   Call: (208) [system] peek_char((0x560c892e10d0), _1203260)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1207980, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1208912, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216262)
   Call: (209) [system] peek_char((0x560c892e10d0), _1217196)
   Exit: (209) [system] peek_char((0x560c892e10d0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1221916, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1222848, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x560c892e10d0), k)
   Exit: (209) [system] get_char((0x560c892e10d0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230198)
   Call: (210) [system] peek_char((0x560c892e10d0), _1231132)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1230198=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1216262=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (208) [system] _1202326=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (207) [system] _1188390=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (206) [system] _1174454=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (205) [system] _1160518=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'L', i, n, k])
   Call: (204) [system] _1146582=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1132646=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1118710=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1104774=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1090838=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1076902=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1062966=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1049030=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1035094=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _999584)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1279532)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1280484, _1280486), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1279532), _1280466, fail)), '$restore_trace'(_1280484, _1280486))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1280484, _1280486))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1279532), _1280466, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1279532)
   Fail: (197) [system] atomic(_1279532)
   Call: (197) [system] atom_chars(_1279532, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _999584='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1294482)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1296340)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1305934)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1308638)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1325572)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1331142)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1333000)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1349010)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1331142)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366652)
   Call: (197) [system] peek_char((0x560c892e10d0), _1367586)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1372306, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1373238, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380588)
   Call: (198) [system] peek_char((0x560c892e10d0), _1381522)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1380588=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _1366652=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1331142)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1393600)
   Call: (198) [system] atom_chars(_1394532, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1331142=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1403824)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1405682)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1415276)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1417980)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1434914)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1440484)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1442342)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1458352)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _1440484)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1475994)
   Call: (198) [system] peek_char((0x560c892e10d0), _1476928)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1481648, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1482580, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1489930)
   Call: (199) [system] peek_char((0x560c892e10d0), _1490864)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1495584, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1489930=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1475994=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1440484)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1504814)
   Call: (199) [system] atom_chars(_1505746, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1440484=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1515038)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1516896)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1532906)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1536696)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1515038=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1403824=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _1294482=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _954566=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1550578)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1552436)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1562030)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1564734)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1581668)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1587238)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1589096)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1605106)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1587238)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1622748)
   Call: (195) [system] peek_char((0x560c892e10d0), _1623682)
   Exit: (195) [system] peek_char((0x560c892e10d0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1628402, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1629334, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x560c892e10d0), p)
   Exit: (195) [system] get_char((0x560c892e10d0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1636684)
   Call: (196) [system] peek_char((0x560c892e10d0), _1637618)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1636684=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1622748=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _1587238)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _1649696)
   Call: (196) [system] atom_chars(_1650628, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _1587238=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1659920)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1661778)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1671372)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1674076)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1691010)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1696580)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1698438)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1714448)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1696580)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1732090)
   Call: (196) [system] peek_char((0x560c892e10d0), _1733024)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1737744, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1738676, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1746026)
   Call: (197) [system] peek_char((0x560c892e10d0), _1746960)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1751680, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1746026=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1732090=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _1696580)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1760910)
   Call: (197) [system] atom_chars(_1761842, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _1696580=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1771134)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1772992)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1789002)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1792792)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1771134=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1659920=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (192) [system] _1550578=[_p, _q]
   Exit: (192) [system] [_p, _q]=[_p, _q]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (191) [system] _917906=[['ImplicationLink', _p, _q], _p, _q]
   Exit: (191) [system] [['ImplicationLink', _p, _q], _p, _q]=[['ImplicationLink', _p, _q], _p, _q]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['ImplicationLink', _p, _q], _p, _q])
   Call: (190) [system] _797350=[->, ['ImplicationLink', _p, _q], _p, _q]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], _p, _q]=[->, ['ImplicationLink', _p, _q], _p, _q]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1809468)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1811326)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1827336)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1831126)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1809468=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _760690=[[->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], _p, _q]]=[[->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (187) [system] _496052=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (187) [system] ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (186) [system] _392226=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (186) [system] [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1845008)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1846866)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1862876)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1866666)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1845008=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _355566=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (184) [system] [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (183) [system] _166526=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (183) [system] [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (182) [system] _29224=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Call: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]), assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1885184, _1885186, _1885188, _1885190, _1885192))
^  Exit: (177) [user] retract(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1890924))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1890924))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1890924)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1893724))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1893724)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1893724)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1903946)
   Call: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], _1903946)
   Call: (189) [lists] lists:last_([], [let, _query, [_kb], _query], _1903946)
   Exit: (189) [lists] lists:last_([], [let, _query, [_kb], _query], [let, _query, [_kb], _query])
   Exit: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [let, _query, [_kb], _query])
   Call: (187) [system] [let, _query, [_kb], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==[_1910462, _1910468]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1893724)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1893724, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1916042)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1919750, =)
   Call: (191) [system] atom_concat($, _1919750, =)
   Fail: (191) [system] atom_concat($, _1919750, =)
^  Fail: (190) [user] symbol_concat($, _1919750, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1925338, _1925344]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1916044, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, _depth], _1934606)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([_query, _kb, _rb, _depth])
   Call: (191) [lists] lists:last([_query, _kb, _rb, _depth], _1942950)
   Call: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _1942950)
   Call: (193) [lists] lists:last_([_rb, _depth], _kb, _1942950)
   Call: (194) [lists] lists:last_([_depth], _rb, _1942950)
   Call: (195) [lists] lists:last_([], _depth, _1942950)
   Exit: (195) [lists] lists:last_([], _depth, _depth)
   Exit: (194) [lists] lists:last_([_depth], _rb, _depth)
   Exit: (193) [lists] lists:last_([_rb, _depth], _kb, _depth)
   Exit: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _depth)
   Exit: (191) [lists] lists:last([_query, _kb, _rb, _depth], _depth)
   Call: (191) [system] _depth=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==[_1953194, _1953200]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, _depth], _1934606)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _1934606, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1958774)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1962482, synthesize)
   Call: (195) [system] atom_concat($, _1962482, synthesize)
   Fail: (195) [system] atom_concat($, _1962482, synthesize)
^  Fail: (194) [user] symbol_concat($, _1962482, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1968070, _1968076]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, _depth], _1958776, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1977338)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1981980, _1981986]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1986614, _1986616)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1992208))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1992208))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1992208)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1995008))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1995008)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1995008)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1888108)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2008966))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2008966)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2008966)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1729639320_140374, 108)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639328.7436342)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639328.7436342-1729639325.4761322
   Exit: (173) [system] 3.2675020694732666 is 1729639328.7436342-1729639325.4761322
   Call: (173) [system] 3.2675020694732666>4
   Fail: (173) [system] 3.2675020694732666>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 17)
   Call: (175) [system] atom(17+1)
   Call: (175) [system] set_flag(translated_forms, 18)
   Exit: (175) [system] set_flag(translated_forms, 18)
   Exit: (174) [$syspreds] update_flag(translated_forms, 17, 17+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 17, 17+1))
   Exit: (171) [$syspreds] flag(translated_forms, 17, 17+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1729639320_140374, 108)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _2060436, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2060438)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2060438)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (174) [user] s2t(=, _2065088)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_2065088
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2065090)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], _2072506)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, _depth], _2079918)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _2079918, user:s2t)
^  Call: (178) [user] s2t(synthesize, _2081798)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_2081798
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], _2081800, user:s2t)
^  Call: (179) [user] s2t(_query, _2087372)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _2087372)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, _depth], _2087374, user:s2t)
^  Call: (180) [user] s2t(_kb, _3436)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _3436)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, _depth], _3438, user:s2t)
^  Call: (181) [user] s2t(_rb, _12524)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _12524)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([_depth], _12526, user:s2t)
^  Call: (182) [user] s2t(_depth, _21794)
   Call: (183) [system] compound(_depth)
   Exit: (183) [system] compound(_depth)
   Call: (183) [system] is_list(_depth)
^  Call: (183) [user] s2tl(_depth, _21794)
   Call: (184) [system] compound(_depth)
   Exit: (184) [system] compound(_depth)
^  Exit: (183) [user] s2tl(_depth, _depth)
^  Exit: (182) [user] s2t(_depth, _depth)
   Call: (182) [apply] apply:maplist_([], _21796, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_depth], [_depth], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, _depth], [_rb, _depth], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, _depth], [_kb, _rb, _depth], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], [_query, _kb, _rb, _depth], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] compound_name_arguments(_3408, t, [synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, _depth), t, [synthesize, _query, _kb, _rb, _depth])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], t(synthesize, _query, _kb, _rb, _depth))
^  Call: (175) [user] s2tl([[let, _query, [_kb], _query]], _3410)
   Call: (176) [system] compound([[let, _query, [_kb], _query]])
   Exit: (176) [system] compound([[let, _query, [_kb], _query]])
^  Call: (176) [user] s2t([let, _query, [_kb], _query], _43174)
   Call: (177) [system] compound([let, _query, [_kb], _query])
   Exit: (177) [system] compound([let, _query, [_kb], _query])
   Call: (177) [system] let==(->)
   Call: (177) [system] let=='Cons'
   Call: (177) [system] let==(=)
   Call: (177) [system] is_list([let, _query, [_kb], _query])
   Exit: (177) [system] is_list([let, _query, [_kb], _query])
^  Call: (177) [user] apply:maplist(s2t, [let, _query, [_kb], _query], _50586)
   Call: (178) [apply] apply:maplist_([let, _query, [_kb], _query], _50586, user:s2t)
^  Call: (179) [user] s2t(let, _52466)
   Call: (180) [system] compound(let)
   Call: (180) [system] let=_52466
   Exit: (180) [system] let=let
^  Exit: (179) [user] s2t(let, let)
   Call: (179) [apply] apply:maplist_([_query, [_kb], _query], _52468, user:s2t)
^  Call: (180) [user] s2t(_query, _58040)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
   Call: (181) [system] is_list(_query)
^  Call: (181) [user] s2tl(_query, _58040)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
^  Exit: (181) [user] s2tl(_query, _query)
^  Exit: (180) [user] s2t(_query, _query)
   Call: (180) [apply] apply:maplist_([[_kb], _query], _58042, user:s2t)
^  Call: (181) [user] s2t([_kb], _67310)
   Call: (182) [system] compound([_kb])
   Exit: (182) [system] compound([_kb])
   Call: (182) [system] _kb==(->)
   Call: (182) [system] _kb=='Cons'
   Call: (182) [system] _kb==(=)
   Call: (182) [system] is_list([_kb])
   Exit: (182) [system] is_list([_kb])
^  Call: (182) [user] apply:maplist(s2t, [_kb], _74722)
   Call: (183) [apply] apply:maplist_([_kb], _74722, user:s2t)
^  Call: (184) [user] s2t(_kb, _76602)
   Call: (185) [system] compound(_kb)
   Exit: (185) [system] compound(_kb)
   Call: (185) [system] is_list(_kb)
^  Call: (185) [user] s2tl(_kb, _76602)
   Call: (186) [system] compound(_kb)
   Exit: (186) [system] compound(_kb)
^  Exit: (185) [user] s2tl(_kb, _kb)
^  Exit: (184) [user] s2t(_kb, _kb)
   Call: (184) [apply] apply:maplist_([], _76604, user:s2t)
   Exit: (184) [apply] apply:maplist_([], [], user:s2t)
   Exit: (183) [apply] apply:maplist_([_kb], [_kb], user:s2t)
^  Exit: (182) [apply] apply:maplist(user:s2t, [_kb], [_kb])
   Call: (182) [system] compound_name_arguments(_67310, t, [_kb])
   Exit: (182) [system] compound_name_arguments(t(_kb), t, [_kb])
^  Exit: (181) [user] s2t([_kb], t(_kb))
   Call: (181) [apply] apply:maplist_([_query], _67312, user:s2t)
^  Call: (182) [user] s2t(_query, _92402)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
   Call: (183) [system] is_list(_query)
^  Call: (183) [user] s2tl(_query, _92402)
   Call: (184) [system] compound(_query)
   Exit: (184) [system] compound(_query)
^  Exit: (183) [user] s2tl(_query, _query)
^  Exit: (182) [user] s2t(_query, _query)
   Call: (182) [apply] apply:maplist_([], _92404, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (180) [apply] apply:maplist_([[_kb], _query], [t(_kb), _query], user:s2t)
   Exit: (179) [apply] apply:maplist_([_query, [_kb], _query], [_query, t(_kb), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_([let, _query, [_kb], _query], [let, _query, t(_kb), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, [let, _query, [_kb], _query], [let, _query, t(_kb), _query])
   Call: (177) [system] compound_name_arguments(_43174, t, [let, _query, t(_kb), _query])
   Exit: (177) [system] compound_name_arguments(t(let, _query, t(_kb), _query), t, [let, _query, t(_kb), _query])
^  Exit: (176) [user] s2t([let, _query, [_kb], _query], t(let, _query, t(_kb), _query))
^  Call: (176) [user] s2tl([], _43176)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_43176
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([[let, _query, [_kb], _query]], [t(let, _query, t(_kb), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], _118426)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (173) [system] _118426=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (172) [system] _123988=..[ynthesize_long_1729639320_140374, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (172) [system] ynthesize_long_1729639320_140374(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))=..[ynthesize_long_1729639320_140374, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1729639320_140374, 108)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 17, 17+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1729639320_140374, 108)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 109)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 109))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 109))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _149180)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _156602)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _164940)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _167726=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _169594, _169596, _169598, _169600), read_sexpr((0x560c892e10d0), _169612), assertz(metta_file_comment(_169594, _169596, _169598, _169612, _169600))))
^  Call: (179) [user] read_position((0x560c892e10d0), _169594, _169596, _169598, _169600)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_169600))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_169600))
   Exit: (181) [system] nonvar(position(_169600))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4336, 110, 0, 4336)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), _169594)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _179852)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), _169594)
   Exit: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), 110)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), 110)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), _169596)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _187286)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), _169596)
   Exit: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), _169598)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _194720)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), _169598)
   Exit: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), 4336)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), 4336)
^  Exit: (179) [user] read_position((0x560c892e10d0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _169612)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _169612)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _204946)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _220956)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _169612)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _226526)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _242536)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _248106)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _249964)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _265974)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _248106)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _283616)
   Call: (185) [system] peek_char((0x560c892e10d0), _284550)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _283616=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _248106)
^  Call: (185) [user] classify_and_convert_charseq_([=], _293834)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_294786, _294788), once(user:catch(read_from_chars([=], _293834), _294768, fail)), '$restore_trace'(_294786, _294788))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_294786, _294788))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _294768, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _248106=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _306914)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _308772)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _318366)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _321070)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _338004)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _343574)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _345432)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _361442)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _343574)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _367012)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _383022)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _388592)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _390450)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _406460)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _388592)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _424102)
   Call: (188) [system] peek_char((0x560c892e10d0), _425036)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_429756, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_430688, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _438038)
   Call: (189) [system] peek_char((0x560c892e10d0), _438972)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_443692, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _438038=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _424102=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _388592)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _452922)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_453874, _453876), once(user:catch(read_from_chars([r, b], _452922), _453856, fail)), '$restore_trace'(_453874, _453876))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_453874, _453876))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _453856, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _388592=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _466002)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _467860)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _483870)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _487660)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _466002=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _343574=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _495954)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _497812)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _507406)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _510110)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _527044)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _532614)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _534472)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _550482)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _532614)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _556052)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _572062)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _577632)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _579490)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _595500)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _577632)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _613142)
   Call: (189) [system] peek_char((0x560c892e10d0), _614076)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _613142=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _577632)
^  Call: (189) [user] classify_and_convert_charseq_([:], _623360)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_624312, _624314), once(user:catch(read_from_chars([:], _623360), _624294, fail)), '$restore_trace'(_624312, _624314))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_624312, _624314))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _624294, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _577632=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _636440)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _638298)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _647892)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _650596)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _667530)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _673100)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _674958)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _690968)
   Exit: (188) [system] get_char((0x560c892e10d0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', _673100)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _708610)
   Call: (190) [system] peek_char((0x560c892e10d0), _709544)
   Exit: (190) [system] peek_char((0x560c892e10d0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_714264, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_715196, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x560c892e10d0), e)
   Exit: (190) [system] get_char((0x560c892e10d0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _722546)
   Call: (191) [system] peek_char((0x560c892e10d0), _723480)
   Exit: (191) [system] peek_char((0x560c892e10d0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_728200, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_729132, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x560c892e10d0), d)
   Exit: (191) [system] get_char((0x560c892e10d0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _736482)
   Call: (192) [system] peek_char((0x560c892e10d0), _737416)
   Exit: (192) [system] peek_char((0x560c892e10d0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_742136, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_743068, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x560c892e10d0), u)
   Exit: (192) [system] get_char((0x560c892e10d0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _750418)
   Call: (193) [system] peek_char((0x560c892e10d0), _751352)
   Exit: (193) [system] peek_char((0x560c892e10d0), c)
^  Call: (193) [user] is_delimiter(c)
   Call: (194) [system] char_type(c, space)
   Fail: (194) [system] char_type(c, space)
   Call: (194) [system] arg(_756072, v('(', ')', end_of_file), c)
   Fail: (194) [system] arg(_757004, v('(', ')', end_of_file), c)
^  Fail: (193) [user] is_delimiter(c)
   Call: (193) [system] ')'==c
   Fail: (193) [system] ')'==c
   Call: (193) [system] get_char((0x560c892e10d0), c)
   Exit: (193) [system] get_char((0x560c892e10d0), c)
   Call: (193) [system] c=(\)
   Fail: (193) [system] c=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _764354)
   Call: (194) [system] peek_char((0x560c892e10d0), _765288)
   Exit: (194) [system] peek_char((0x560c892e10d0), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Fail: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_770008, v('(', ')', end_of_file), t)
   Fail: (195) [system] arg(_770940, v('(', ')', end_of_file), t)
^  Fail: (194) [user] is_delimiter(t)
   Call: (194) [system] ')'==t
   Fail: (194) [system] ')'==t
   Call: (194) [system] get_char((0x560c892e10d0), t)
   Exit: (194) [system] get_char((0x560c892e10d0), t)
   Call: (194) [system] t=(\)
   Fail: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _778290)
   Call: (195) [system] peek_char((0x560c892e10d0), _779224)
   Exit: (195) [system] peek_char((0x560c892e10d0), i)
^  Call: (195) [user] is_delimiter(i)
   Call: (196) [system] char_type(i, space)
   Fail: (196) [system] char_type(i, space)
   Call: (196) [system] arg(_783944, v('(', ')', end_of_file), i)
   Fail: (196) [system] arg(_784876, v('(', ')', end_of_file), i)
^  Fail: (195) [user] is_delimiter(i)
   Call: (195) [system] ')'==i
   Fail: (195) [system] ')'==i
   Call: (195) [system] get_char((0x560c892e10d0), i)
   Exit: (195) [system] get_char((0x560c892e10d0), i)
   Call: (195) [system] i=(\)
   Fail: (195) [system] i=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _792226)
   Call: (196) [system] peek_char((0x560c892e10d0), _793160)
   Exit: (196) [system] peek_char((0x560c892e10d0), o)
^  Call: (196) [user] is_delimiter(o)
   Call: (197) [system] char_type(o, space)
   Fail: (197) [system] char_type(o, space)
   Call: (197) [system] arg(_797880, v('(', ')', end_of_file), o)
   Fail: (197) [system] arg(_798812, v('(', ')', end_of_file), o)
^  Fail: (196) [user] is_delimiter(o)
   Call: (196) [system] ')'==o
   Fail: (196) [system] ')'==o
   Call: (196) [system] get_char((0x560c892e10d0), o)
   Exit: (196) [system] get_char((0x560c892e10d0), o)
   Call: (196) [system] o=(\)
   Fail: (196) [system] o=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _806162)
   Call: (197) [system] peek_char((0x560c892e10d0), _807096)
   Exit: (197) [system] peek_char((0x560c892e10d0), n)
^  Call: (197) [user] is_delimiter(n)
   Call: (198) [system] char_type(n, space)
   Fail: (198) [system] char_type(n, space)
   Call: (198) [system] arg(_811816, v('(', ')', end_of_file), n)
   Fail: (198) [system] arg(_812748, v('(', ')', end_of_file), n)
^  Fail: (197) [user] is_delimiter(n)
   Call: (197) [system] ')'==n
   Fail: (197) [system] ')'==n
   Call: (197) [system] get_char((0x560c892e10d0), n)
   Exit: (197) [system] get_char((0x560c892e10d0), n)
   Call: (197) [system] n=(\)
   Fail: (197) [system] n=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _820098)
   Call: (198) [system] peek_char((0x560c892e10d0), _821032)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _820098=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _806162=[n]
   Exit: (197) [system] [n]=[n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (196) [system] _792226=[o, n]
   Exit: (196) [system] [o, n]=[o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (195) [system] _778290=[i, o, n]
   Exit: (195) [system] [i, o, n]=[i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (194) [system] _764354=[t, i, o, n]
   Exit: (194) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (193) [system] _750418=[c, t, i, o, n]
   Exit: (193) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (192) [system] _736482=[u, c, t, i, o, n]
   Exit: (192) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (191) [system] _722546=[d, u, c, t, i, o, n]
   Exit: (191) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (190) [system] _708610=[e, d, u, c, t, i, o, n]
   Exit: (190) [system] [e, d, u, c, t, i, o, n]=[e, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], _673100)
^  Call: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], _852668)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_853620, _853622), once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _852668), _853602, fail)), '$restore_trace'(_853620, _853622))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_853620, _853622))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _852668), _853602, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_852668)
   Fail: (191) [system] atomic(_852668)
   Call: (191) [system] atom_chars(_852668, ['D', e, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('Deduction', ['D', e, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], 'Deduction')
   Call: (190) [system] integer('Deduction')
   Fail: (190) [system] integer('Deduction')
   Call: (190) [system] _673100='Deduction'
   Exit: (190) [system] 'Deduction'='Deduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], 'Deduction')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'Deduction')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'Deduction')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _867618)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _869476)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _879070)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _881774)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _898708)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _904278)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _906136)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _922146)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _904278)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _927716)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _943726)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _949296)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _951154)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _967164)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _949296)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _984806)
   Call: (193) [system] peek_char((0x560c892e10d0), _985740)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_990460, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_991392, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _998742)
   Call: (194) [system] peek_char((0x560c892e10d0), _999676)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _998742=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _984806=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _949296)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1011754)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1012706, _1012708), once(user:catch(read_from_chars([-, >], _1011754), _1012688, fail)), '$restore_trace'(_1012706, _1012708))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1012706, _1012708))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1012688, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _949296=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1024834)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1026692)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1036286)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1038990)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1055924)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1061494)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1063352)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1079362)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1061494)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1084932)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1100942)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1106512)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1108370)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1124380)
   Exit: (194) [system] get_char((0x560c892e10d0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1106512)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1142022)
   Call: (196) [system] peek_char((0x560c892e10d0), _1142956)
   Exit: (196) [system] peek_char((0x560c892e10d0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1147676, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1148608, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x560c892e10d0), m)
   Exit: (196) [system] get_char((0x560c892e10d0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1155958)
   Call: (197) [system] peek_char((0x560c892e10d0), _1156892)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1161612, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1162544, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1169894)
   Call: (198) [system] peek_char((0x560c892e10d0), _1170828)
   Exit: (198) [system] peek_char((0x560c892e10d0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1175548, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1176480, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x560c892e10d0), l)
   Exit: (198) [system] get_char((0x560c892e10d0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1183830)
   Call: (199) [system] peek_char((0x560c892e10d0), _1184764)
   Exit: (199) [system] peek_char((0x560c892e10d0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1189484, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1190416, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x560c892e10d0), i)
   Exit: (199) [system] get_char((0x560c892e10d0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1197766)
   Call: (200) [system] peek_char((0x560c892e10d0), _1198700)
   Exit: (200) [system] peek_char((0x560c892e10d0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1203420, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1204352, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x560c892e10d0), c)
   Exit: (200) [system] get_char((0x560c892e10d0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1211702)
   Call: (201) [system] peek_char((0x560c892e10d0), _1212636)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1217356, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1218288, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x560c892e10d0), a)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1225638)
   Call: (202) [system] peek_char((0x560c892e10d0), _1226572)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1231292, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1232224, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1239574)
   Call: (203) [system] peek_char((0x560c892e10d0), _1240508)
   Exit: (203) [system] peek_char((0x560c892e10d0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1245228, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1246160, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x560c892e10d0), i)
   Exit: (203) [system] get_char((0x560c892e10d0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1253510)
   Call: (204) [system] peek_char((0x560c892e10d0), _1254444)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1259164, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1260096, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1267446)
   Call: (205) [system] peek_char((0x560c892e10d0), _1268380)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1273100, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1274032, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1281382)
   Call: (206) [system] peek_char((0x560c892e10d0), _1282316)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1287036, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1287968, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x560c892e10d0), 'L')
   Exit: (206) [system] get_char((0x560c892e10d0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1295318)
   Call: (207) [system] peek_char((0x560c892e10d0), _1296252)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1300972, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1301904, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1309254)
   Call: (208) [system] peek_char((0x560c892e10d0), _1310188)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1314908, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1315840, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1323190)
   Call: (209) [system] peek_char((0x560c892e10d0), _1324124)
   Exit: (209) [system] peek_char((0x560c892e10d0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1328844, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1329776, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x560c892e10d0), k)
   Exit: (209) [system] get_char((0x560c892e10d0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1337126)
   Call: (210) [system] peek_char((0x560c892e10d0), _1338060)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1337126=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1323190=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (208) [system] _1309254=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (207) [system] _1295318=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (206) [system] _1281382=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (205) [system] _1267446=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'L', i, n, k])
   Call: (204) [system] _1253510=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1239574=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1225638=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1211702=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1197766=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1183830=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1169894=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1155958=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1142022=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1106512)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1386460)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1387412, _1387414), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1386460), _1387394, fail)), '$restore_trace'(_1387412, _1387414))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1387412, _1387414))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1386460), _1387394, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1386460)
   Fail: (197) [system] atomic(_1386460)
   Call: (197) [system] atom_chars(_1386460, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _1106512='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1401410)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1403268)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1412862)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1415566)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1432500)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1438070)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1439928)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1455938)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1438070)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1473580)
   Call: (197) [system] peek_char((0x560c892e10d0), _1474514)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1479234, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1480166, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1487516)
   Call: (198) [system] peek_char((0x560c892e10d0), _1488450)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1487516=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _1473580=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1438070)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1500528)
   Call: (198) [system] atom_chars(_1501460, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1438070=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1510752)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1512610)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1522204)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1524908)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1541842)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1547412)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1549270)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1565280)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _1547412)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1582922)
   Call: (198) [system] peek_char((0x560c892e10d0), _1583856)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1588576, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1589508, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1596858)
   Call: (199) [system] peek_char((0x560c892e10d0), _1597792)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1602512, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1596858=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1582922=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1547412)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1611742)
   Call: (199) [system] atom_chars(_1612674, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1547412=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1621966)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1623824)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1639834)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1643624)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1621966=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1510752=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _1401410=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _1061494=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1657506)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1659364)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1668958)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1671662)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1688596)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1694166)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1696024)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1712034)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1694166)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1717604)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1733614)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'I')
   Call: (194) [system] 'I'=')'
   Fail: (194) [system] 'I'=')'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1739184)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1741042)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1757052)
   Exit: (195) [system] get_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'='('
   Fail: (195) [system] 'I'='('
   Call: (195) [system] 'I'='['
   Fail: (195) [system] 'I'='['
   Call: (195) [system] 'I'='{'
   Fail: (195) [system] 'I'='{'
   Call: (195) [system] 'I'='"'
   Fail: (195) [system] 'I'='"'
   Call: (195) [system] 'I'=!
   Fail: (195) [system] 'I'=!
   Call: (195) [system] 'I'='\''
   Fail: (195) [system] 'I'='\''
   Call: (195) [system] 'I'='`'
   Fail: (195) [system] 'I'='`'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1739184)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1774694)
   Call: (197) [system] peek_char((0x560c892e10d0), _1775628)
   Exit: (197) [system] peek_char((0x560c892e10d0), m)
^  Call: (197) [user] is_delimiter(m)
   Call: (198) [system] char_type(m, space)
   Fail: (198) [system] char_type(m, space)
   Call: (198) [system] arg(_1780348, v('(', ')', end_of_file), m)
   Fail: (198) [system] arg(_1781280, v('(', ')', end_of_file), m)
^  Fail: (197) [user] is_delimiter(m)
   Call: (197) [system] ')'==m
   Fail: (197) [system] ')'==m
   Call: (197) [system] get_char((0x560c892e10d0), m)
   Exit: (197) [system] get_char((0x560c892e10d0), m)
   Call: (197) [system] m=(\)
   Fail: (197) [system] m=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1788630)
   Call: (198) [system] peek_char((0x560c892e10d0), _1789564)
   Exit: (198) [system] peek_char((0x560c892e10d0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1794284, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1795216, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x560c892e10d0), p)
   Exit: (198) [system] get_char((0x560c892e10d0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1802566)
   Call: (199) [system] peek_char((0x560c892e10d0), _1803500)
   Exit: (199) [system] peek_char((0x560c892e10d0), l)
^  Call: (199) [user] is_delimiter(l)
   Call: (200) [system] char_type(l, space)
   Fail: (200) [system] char_type(l, space)
   Call: (200) [system] arg(_1808220, v('(', ')', end_of_file), l)
   Fail: (200) [system] arg(_1809152, v('(', ')', end_of_file), l)
^  Fail: (199) [user] is_delimiter(l)
   Call: (199) [system] ')'==l
   Fail: (199) [system] ')'==l
   Call: (199) [system] get_char((0x560c892e10d0), l)
   Exit: (199) [system] get_char((0x560c892e10d0), l)
   Call: (199) [system] l=(\)
   Fail: (199) [system] l=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1816502)
   Call: (200) [system] peek_char((0x560c892e10d0), _1817436)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1822156, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1823088, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1830438)
   Call: (201) [system] peek_char((0x560c892e10d0), _1831372)
   Exit: (201) [system] peek_char((0x560c892e10d0), c)
^  Call: (201) [user] is_delimiter(c)
   Call: (202) [system] char_type(c, space)
   Fail: (202) [system] char_type(c, space)
   Call: (202) [system] arg(_1836092, v('(', ')', end_of_file), c)
   Fail: (202) [system] arg(_1837024, v('(', ')', end_of_file), c)
^  Fail: (201) [user] is_delimiter(c)
   Call: (201) [system] ')'==c
   Fail: (201) [system] ')'==c
   Call: (201) [system] get_char((0x560c892e10d0), c)
   Exit: (201) [system] get_char((0x560c892e10d0), c)
   Call: (201) [system] c=(\)
   Fail: (201) [system] c=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1844374)
   Call: (202) [system] peek_char((0x560c892e10d0), _1845308)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1850028, v('(', ')', end_of_file), a)
   Fail: (203) [system] arg(_1850960, v('(', ')', end_of_file), a)
^  Fail: (202) [user] is_delimiter(a)
   Call: (202) [system] ')'==a
   Fail: (202) [system] ')'==a
   Call: (202) [system] get_char((0x560c892e10d0), a)
   Exit: (202) [system] get_char((0x560c892e10d0), a)
   Call: (202) [system] a=(\)
   Fail: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1858310)
   Call: (203) [system] peek_char((0x560c892e10d0), _1859244)
   Exit: (203) [system] peek_char((0x560c892e10d0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1863964, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1864896, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x560c892e10d0), t)
   Exit: (203) [system] get_char((0x560c892e10d0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1872246)
   Call: (204) [system] peek_char((0x560c892e10d0), _1873180)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1877900, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1878832, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1886182)
   Call: (205) [system] peek_char((0x560c892e10d0), _1887116)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1891836, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1892768, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1900118)
   Call: (206) [system] peek_char((0x560c892e10d0), _1901052)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1905772, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1906704, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1914054)
   Call: (207) [system] peek_char((0x560c892e10d0), _1914988)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1919708, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1920640, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x560c892e10d0), 'L')
   Exit: (207) [system] get_char((0x560c892e10d0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1927990)
   Call: (208) [system] peek_char((0x560c892e10d0), _1928924)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1933644, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1934576, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1941926)
   Call: (209) [system] peek_char((0x560c892e10d0), _1942860)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1947580, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1948512, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1955862)
   Call: (210) [system] peek_char((0x560c892e10d0), _1956796)
   Exit: (210) [system] peek_char((0x560c892e10d0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1961516, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1962448, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x560c892e10d0), k)
   Exit: (210) [system] get_char((0x560c892e10d0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1969798)
   Call: (211) [system] peek_char((0x560c892e10d0), _1970732)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1969798=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1955862=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (209) [system] _1941926=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (208) [system] _1927990=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (207) [system] _1914054=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (206) [system] _1900118=[n, 'L', i, n, k]
   Exit: (206) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'L', i, n, k])
   Call: (205) [system] _1886182=[o, n, 'L', i, n, k]
   Exit: (205) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'L', i, n, k])
   Call: (204) [system] _1872246=[i, o, n, 'L', i, n, k]
   Exit: (204) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'L', i, n, k])
   Call: (203) [system] _1858310=[t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1844374=[a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1830438=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1816502=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1802566=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1788630=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1774694=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1739184)
^  Call: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2019132)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_2020084, _2020086), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2019132), _2020066, fail)), '$restore_trace'(_2020084, _2020086))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_2020084, _2020086))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2019132), _2020066, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_2019132)
   Fail: (198) [system] atomic(_2019132)
   Call: (198) [system] atom_chars(_2019132, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (198) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (197) [system] integer('ImplicationLink')
   Fail: (197) [system] integer('ImplicationLink')
   Call: (197) [system] _1739184='ImplicationLink'
   Exit: (197) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'ImplicationLink')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'ImplicationLink')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _2034082)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2035940)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _2045534)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2048238)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2065172)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _2070742)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _2072600)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _2088610)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _3452)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _12712)
   Call: (198) [system] peek_char((0x560c892e10d0), _13646)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_18366, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_19298, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _26648)
   Call: (199) [system] peek_char((0x560c892e10d0), _27582)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _26648=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _12712=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _3452)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _39660)
   Call: (199) [system] atom_chars(_40592, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _3452=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _49884)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _51742)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _61336)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _64040)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _80974)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _86544)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _88402)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _104412)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _86544)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _122054)
   Call: (199) [system] peek_char((0x560c892e10d0), _122988)
   Exit: (199) [system] peek_char((0x560c892e10d0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_127708, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_128640, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x560c892e10d0), r)
   Exit: (199) [system] get_char((0x560c892e10d0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _135990)
   Call: (200) [system] peek_char((0x560c892e10d0), _136924)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_141644, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _135990=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _122054=[r]
   Exit: (199) [system] [r]=[r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
^  Call: (198) [user] classify_and_convert_charseq([$, r], _86544)
^  Call: (199) [user] classify_and_convert_charseq_([$, r], _150874)
   Call: (200) [system] atom_chars(_151806, ['_', r])
   Exit: (200) [system] atom_chars('_r', ['_', r])
^  Exit: (199) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (199) [system] integer(_r)
   Fail: (199) [system] integer(_r)
   Call: (199) [system] _86544=_r
   Exit: (199) [system] _r=_r
^  Exit: (198) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _r)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _r)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _161098)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _162956)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _178966)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _182756)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _161098=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _49884=[_r]
   Exit: (196) [system] [_r]=[_r]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_r])
   Call: (195) [system] _3448=[_q, _r]
   Exit: (195) [system] [_q, _r]=[_q, _r]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q, _r])
   Call: (194) [system] _3440=['ImplicationLink', _q, _r]
   Exit: (194) [system] ['ImplicationLink', _q, _r]=['ImplicationLink', _q, _r]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['ImplicationLink', _q, _r])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ['ImplicationLink', _q, _r])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _196638)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _198496)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _208090)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _210794)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _227728)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _233298)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _235156)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _251166)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _233298)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _256736)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _272746)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _278316)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _280174)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _296184)
   Exit: (196) [system] get_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', _278316)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _313826)
   Call: (198) [system] peek_char((0x560c892e10d0), _314760)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_319480, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_320412, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _327762)
   Call: (199) [system] peek_char((0x560c892e10d0), _328696)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_333416, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_334348, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _341698)
   Call: (200) [system] peek_char((0x560c892e10d0), _342632)
   Exit: (200) [system] peek_char((0x560c892e10d0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_347352, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_348284, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x560c892e10d0), l)
   Exit: (200) [system] get_char((0x560c892e10d0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _355634)
   Call: (201) [system] peek_char((0x560c892e10d0), _356568)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_361288, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_362220, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _369570)
   Call: (202) [system] peek_char((0x560c892e10d0), _370504)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_375224, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_376156, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _383506)
   Call: (203) [system] peek_char((0x560c892e10d0), _384440)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_389160, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_390092, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x560c892e10d0), a)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _397442)
   Call: (204) [system] peek_char((0x560c892e10d0), _398376)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_403096, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_404028, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _411378)
   Call: (205) [system] peek_char((0x560c892e10d0), _412312)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_417032, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_417964, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _425314)
   Call: (206) [system] peek_char((0x560c892e10d0), _426248)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_430968, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_431900, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _439250)
   Call: (207) [system] peek_char((0x560c892e10d0), _440184)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_444904, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_445836, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _453186)
   Call: (208) [system] peek_char((0x560c892e10d0), _454120)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_458840, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_459772, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x560c892e10d0), 'L')
   Exit: (208) [system] get_char((0x560c892e10d0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _467122)
   Call: (209) [system] peek_char((0x560c892e10d0), _468056)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_472776, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_473708, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _481058)
   Call: (210) [system] peek_char((0x560c892e10d0), _481992)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_486712, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_487644, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _494994)
   Call: (211) [system] peek_char((0x560c892e10d0), _495928)
   Exit: (211) [system] peek_char((0x560c892e10d0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_500648, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_501580, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x560c892e10d0), k)
   Exit: (211) [system] get_char((0x560c892e10d0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _508930)
   Call: (212) [system] peek_char((0x560c892e10d0), _509864)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _508930=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _494994=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (210) [system] _481058=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (209) [system] _467122=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (208) [system] _453186=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (207) [system] _439250=[n, 'L', i, n, k]
   Exit: (207) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'L', i, n, k])
   Call: (206) [system] _425314=[o, n, 'L', i, n, k]
   Exit: (206) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'L', i, n, k])
   Call: (205) [system] _411378=[i, o, n, 'L', i, n, k]
   Exit: (205) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'L', i, n, k])
   Call: (204) [system] _397442=[t, i, o, n, 'L', i, n, k]
   Exit: (204) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'L', i, n, k])
   Call: (203) [system] _383506=[a, t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _369570=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _355634=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _341698=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _327762=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _313826=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _278316)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _558264)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_559216, _559218), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _558264), _559198, fail)), '$restore_trace'(_559216, _559218))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_559216, _559218))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _558264), _559198, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_558264)
   Fail: (199) [system] atomic(_558264)
   Call: (199) [system] atom_chars(_558264, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (199) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (198) [system] integer('ImplicationLink')
   Fail: (198) [system] integer('ImplicationLink')
   Call: (198) [system] _278316='ImplicationLink'
   Exit: (198) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'ImplicationLink')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'ImplicationLink')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _573214)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _575072)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _584666)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _587370)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _604304)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _609874)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _611732)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _627742)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _609874)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _645384)
   Call: (199) [system] peek_char((0x560c892e10d0), _646318)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_651038, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_651970, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _659320)
   Call: (200) [system] peek_char((0x560c892e10d0), _660254)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _659320=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _645384=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _609874)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _672332)
   Call: (200) [system] atom_chars(_673264, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _609874=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _682556)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _684414)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _694008)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _696712)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _713646)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _719216)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _721074)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _737084)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _719216)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _754726)
   Call: (200) [system] peek_char((0x560c892e10d0), _755660)
   Exit: (200) [system] peek_char((0x560c892e10d0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_760380, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_761312, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x560c892e10d0), r)
   Exit: (200) [system] get_char((0x560c892e10d0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _768662)
   Call: (201) [system] peek_char((0x560c892e10d0), _769596)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_774316, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _768662=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _754726=[r]
   Exit: (200) [system] [r]=[r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [r])
^  Call: (199) [user] classify_and_convert_charseq([$, r], _719216)
^  Call: (200) [user] classify_and_convert_charseq_([$, r], _783546)
   Call: (201) [system] atom_chars(_784478, ['_', r])
   Exit: (201) [system] atom_chars('_r', ['_', r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (200) [system] integer(_r)
   Fail: (200) [system] integer(_r)
   Call: (200) [system] _719216=_r
   Exit: (200) [system] _r=_r
^  Exit: (199) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _r)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _r)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _793770)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _795628)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _811638)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _815428)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _793770=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _682556=[_r]
   Exit: (197) [system] [_r]=[_r]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_r])
   Call: (196) [system] _573214=[_p, _r]
   Exit: (196) [system] [_p, _r]=[_p, _r]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_p, _r])
   Call: (195) [system] _233298=['ImplicationLink', _p, _r]
   Exit: (195) [system] ['ImplicationLink', _p, _r]=['ImplicationLink', _p, _r]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['ImplicationLink', _p, _r])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['ImplicationLink', _p, _r])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _829310)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _831168)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _847178)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _850968)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _829310=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _196638=[['ImplicationLink', _p, _r]]
   Exit: (193) [system] [['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _r]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['ImplicationLink', _p, _r]])
   Call: (192) [system] _3436=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (192) [system] [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (191) [system] _3404=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (191) [system] [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (190) [system] _3396=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _867644)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _869502)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _885512)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _889302)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _867644=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (187) [system] _3386=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (187) [system] ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (186) [system] _3378=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (186) [system] [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _903184)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _905042)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _921052)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _924842)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _903184=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (184) [system] [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (183) [system] _3362=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (183) [system] [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (182) [system] [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Call: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]), assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_943360, _943362, _943364, _943366, _943368))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _946194))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _946194)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), _946194)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _949010))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _949010))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _949010)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _951810))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _951810)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), _951810)
   Call: (187) [system] var('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] atom('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==true
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==false
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==[_958330, _958336]
   Call: (187) [system] is_list('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] string('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), _962964, _962966)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Unary rule", 53, 0], _966706)
   Call: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], _966706, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Unary rule", _968586)
   Call: (190) [system] var(";; Unary rule")
   Call: (190) [system] atom(";; Unary rule")
   Call: (190) [system] ";; Unary rule"==true
   Call: (190) [system] ";; Unary rule"==false
   Call: (190) [system] ";; Unary rule"==[_973228, _973234]
   Call: (190) [system] is_list(";; Unary rule")
   Call: (190) [system] string(";; Unary rule")
   Exit: (190) [system] string(";; Unary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Unary rule")
^  Call: (190) [user] symbol(";; Unary rule")
   Call: (191) [system] atom(";; Unary rule")
   Fail: (191) [system] atom(";; Unary rule")
^  Fail: (190) [user] symbol(";; Unary rule")
   Call: (190) [system] ";; Unary rule"=_968586
   Exit: (190) [system] ";; Unary rule"=";; Unary rule"
^  Exit: (189) [user] mfix_vars1(";; Unary rule", ";; Unary rule")
   Call: (189) [apply] apply:maplist_([53, 0], _968588, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(53, _987108)
   Call: (191) [system] var(53)
   Call: (191) [system] atom(53)
   Call: (191) [system] 53==true
   Call: (191) [system] 53==false
   Call: (191) [system] 53==[_991750, _991756]
   Call: (191) [system] is_list(53)
   Call: (191) [system] string(53)
   Call: (191) [system] compound(53)
^  Call: (191) [user] symbol(53)
   Call: (192) [system] atom(53)
   Fail: (192) [system] atom(53)
^  Fail: (191) [user] symbol(53)
   Call: (191) [system] 53=_987108
   Exit: (191) [system] 53=53
^  Exit: (190) [user] mfix_vars1(53, 53)
   Call: (190) [apply] apply:maplist_([0], _987110, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1002874)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1007516, _1007522]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1002874
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1002876, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([53, 0], [53, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], [";; Unary rule", 53, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Unary rule", 53, 0], [";; Unary rule", 53, 0])
   Call: (187) [system] compound_name_arguments(_951810, '$COMMENT', [";; Unary rule", 53, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1031692))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1031692))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1031692)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1034492))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1034492)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), _1034492)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _946194))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _946194))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _946194)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _1048450))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _1048450)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), _1048450)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (178) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1729639320_140374, 109)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639329.1031132)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639329.1031132-1729639325.4761322
   Exit: (173) [system] 3.626981019973755 is 1729639329.1031132-1729639325.4761322
   Call: (173) [system] 3.626981019973755>4
   Fail: (173) [system] 3.626981019973755>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 18)
   Call: (175) [system] atom(18+1)
   Call: (175) [system] set_flag(translated_forms, 19)
   Exit: (175) [system] set_flag(translated_forms, 19)
   Exit: (174) [$syspreds] update_flag(translated_forms, 18, 18+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 18, 18+1))
   Exit: (171) [$syspreds] flag(translated_forms, 18, 18+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1729639320_140374, 109)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Unary rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Unary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1729639320_140374, 109)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 18, 18+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1729639320_140374, 109)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 110)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 110))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 110))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1123234)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1130656)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1138994)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1141780=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1143648, _1143650, _1143652, _1143654), read_sexpr((0x560c892e10d0), _1143666), assertz(metta_file_comment(_1143648, _1143650, _1143652, _1143666, _1143654))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1143648, _1143650, _1143652, _1143654)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1143654))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1143654))
   Exit: (181) [system] nonvar(position(_1143654))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4436, 111, 0, 4436)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), _1143648)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1153906)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), _1143648)
   Exit: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), 111)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), 111)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), _1143650)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1161340)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), _1143650)
   Exit: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), _1143652)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1168774)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), _1143652)
   Exit: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), 4436)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), 4436)
^  Exit: (179) [user] read_position((0x560c892e10d0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1143666)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1143666)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1179000)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1195010)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1143666)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1200580)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1216590)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1222160)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1224018)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1240028)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1222160)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257670)
   Call: (185) [system] peek_char((0x560c892e10d0), _1258604)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1257670=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1222160)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1267888)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1268840, _1268842), once(user:catch(read_from_chars([=], _1267888), _1268822, fail)), '$restore_trace'(_1268840, _1268842))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1268840, _1268842))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1268822, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1222160=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1280968)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1282826)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1292420)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1295124)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1312058)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1317628)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1319486)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1335496)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1317628)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1341066)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1357076)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1362646)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1364504)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1380514)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _1362646)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1398156)
   Call: (188) [system] peek_char((0x560c892e10d0), _1399090)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1403810, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1404742, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1412092)
   Call: (189) [system] peek_char((0x560c892e10d0), _1413026)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1417746, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1412092=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1398156=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1362646)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1426976)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1427928, _1427930), once(user:catch(read_from_chars([r, b], _1426976), _1427910, fail)), '$restore_trace'(_1427928, _1427930))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1427928, _1427930))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1427910, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1362646=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1440056)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1441914)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1457924)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1461714)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1440056=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1317628=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1470008)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1471866)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1481460)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1484164)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1501098)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1506668)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1508526)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1524536)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1506668)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1530106)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1546116)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1551686)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1553544)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1569554)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _1551686)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1587196)
   Call: (189) [system] peek_char((0x560c892e10d0), _1588130)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1587196=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1551686)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1597414)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1598366, _1598368), once(user:catch(read_from_chars([:], _1597414), _1598348, fail)), '$restore_trace'(_1598366, _1598368))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1598366, _1598368))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1598348, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1551686=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1610494)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1612352)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1621946)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1624650)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1641584)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1647154)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1649012)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1665022)
   Exit: (188) [system] get_char((0x560c892e10d0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1647154)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682664)
   Call: (190) [system] peek_char((0x560c892e10d0), _1683598)
   Exit: (190) [system] peek_char((0x560c892e10d0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1688318, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1689250, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x560c892e10d0), i)
   Exit: (190) [system] get_char((0x560c892e10d0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696600)
   Call: (191) [system] peek_char((0x560c892e10d0), _1697534)
   Exit: (191) [system] peek_char((0x560c892e10d0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1702254, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1703186, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x560c892e10d0), s)
   Exit: (191) [system] get_char((0x560c892e10d0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710536)
   Call: (192) [system] peek_char((0x560c892e10d0), _1711470)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1716190, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1717122, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724472)
   Call: (193) [system] peek_char((0x560c892e10d0), _1725406)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1730126, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1731058, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738408)
   Call: (194) [system] peek_char((0x560c892e10d0), _1739342)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1744062, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1744994, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752344)
   Call: (195) [system] peek_char((0x560c892e10d0), _1753278)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1757998, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1758930, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1766280)
   Call: (196) [system] peek_char((0x560c892e10d0), _1767214)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1771934, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1772866, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1780216)
   Call: (197) [system] peek_char((0x560c892e10d0), _1781150)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1785870, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1786802, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1794152)
   Call: (198) [system] peek_char((0x560c892e10d0), _1795086)
   Exit: (198) [system] peek_char((0x560c892e10d0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_1799806, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_1800738, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x560c892e10d0), v)
   Exit: (198) [system] get_char((0x560c892e10d0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1808088)
   Call: (199) [system] peek_char((0x560c892e10d0), _1809022)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1813742, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1814674, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1822024)
   Call: (200) [system] peek_char((0x560c892e10d0), _1822958)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_1827678, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_1828610, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x560c892e10d0), 'S')
   Exit: (200) [system] get_char((0x560c892e10d0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1835960)
   Call: (201) [system] peek_char((0x560c892e10d0), _1836894)
   Exit: (201) [system] peek_char((0x560c892e10d0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1841614, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1842546, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x560c892e10d0), y)
   Exit: (201) [system] get_char((0x560c892e10d0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1849896)
   Call: (202) [system] peek_char((0x560c892e10d0), _1850830)
   Exit: (202) [system] peek_char((0x560c892e10d0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1855550, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1856482, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x560c892e10d0), l)
   Exit: (202) [system] get_char((0x560c892e10d0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1863832)
   Call: (203) [system] peek_char((0x560c892e10d0), _1864766)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1869486, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1870418, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1877768)
   Call: (204) [system] peek_char((0x560c892e10d0), _1878702)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1883422, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1884354, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1891704)
   Call: (205) [system] peek_char((0x560c892e10d0), _1892638)
   Exit: (205) [system] peek_char((0x560c892e10d0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_1897358, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_1898290, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x560c892e10d0), g)
   Exit: (205) [system] get_char((0x560c892e10d0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1905640)
   Call: (206) [system] peek_char((0x560c892e10d0), _1906574)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1911294, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1912226, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1919576)
   Call: (207) [system] peek_char((0x560c892e10d0), _1920510)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1925230, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1926162, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1933512)
   Call: (208) [system] peek_char((0x560c892e10d0), _1934446)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1939166, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1940098, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1947448)
   Call: (209) [system] peek_char((0x560c892e10d0), _1948382)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1947448=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1933512=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (207) [system] _1919576=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, m])
   Call: (206) [system] _1905640=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, m])
   Call: (205) [system] _1891704=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [g, i, s, m])
   Call: (204) [system] _1877768=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, g, i, s, m])
   Call: (203) [system] _1863832=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, o, g, i, s, m])
   Call: (202) [system] _1849896=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, l, o, g, i, s, m])
   Call: (201) [system] _1835960=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _1822024=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _1808088=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _1794152=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _1780216=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _1766280=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _1752344=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _1738408=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _1724472=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _1710536=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _1696600=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _1682664=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1647154)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2010752)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2011704, _2011706), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2010752), _2011686, fail)), '$restore_trace'(_2011704, _2011706))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2011704, _2011706))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2010752), _2011686, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_2010752)
   Fail: (191) [system] atomic(_2010752)
   Call: (191) [system] atom_chars(_2010752, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _1647154='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _2025702)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _2027560)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _2037154)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2039858)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2056792)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _2062362)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2064220)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _2080230)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _2062362)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2085800)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _8424)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _13994)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _15852)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _31862)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _13994)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _49504)
   Call: (193) [system] peek_char((0x560c892e10d0), _50438)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_55158, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_56090, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _63440)
   Call: (194) [system] peek_char((0x560c892e10d0), _64374)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _63440=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _49504=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _13994)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _76452)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_77404, _77406), once(user:catch(read_from_chars([-, >], _76452), _77386, fail)), '$restore_trace'(_77404, _77406))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_77404, _77406))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _77386, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _13994=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _89532)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _91390)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _100984)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _103688)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _120622)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _126192)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _128050)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _144060)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _126192)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _149630)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _165640)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _171210)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _173068)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _189078)
   Exit: (194) [system] get_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', _171210)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _206720)
   Call: (196) [system] peek_char((0x560c892e10d0), _207654)
   Exit: (196) [system] peek_char((0x560c892e10d0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_212374, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_213306, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x560c892e10d0), r)
   Exit: (196) [system] get_char((0x560c892e10d0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _220656)
   Call: (197) [system] peek_char((0x560c892e10d0), _221590)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_226310, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_227242, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x560c892e10d0), 'L')
   Exit: (197) [system] get_char((0x560c892e10d0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _234592)
   Call: (198) [system] peek_char((0x560c892e10d0), _235526)
   Exit: (198) [system] peek_char((0x560c892e10d0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_240246, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_241178, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x560c892e10d0), i)
   Exit: (198) [system] get_char((0x560c892e10d0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _248528)
   Call: (199) [system] peek_char((0x560c892e10d0), _249462)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_254182, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_255114, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _262464)
   Call: (200) [system] peek_char((0x560c892e10d0), _263398)
   Exit: (200) [system] peek_char((0x560c892e10d0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_268118, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_269050, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x560c892e10d0), k)
   Exit: (200) [system] get_char((0x560c892e10d0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _276400)
   Call: (201) [system] peek_char((0x560c892e10d0), _277334)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _276400=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _262464=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (199) [system] _248528=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (198) [system] _234592=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (197) [system] _220656=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (196) [system] _206720=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _171210)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _300588)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_301540, _301542), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _300588), _301522, fail)), '$restore_trace'(_301540, _301542))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_301540, _301542))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _300588), _301522, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_300588)
   Fail: (197) [system] atomic(_300588)
   Call: (197) [system] atom_chars(_300588, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _171210='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _315538)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _317396)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _326990)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _329694)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _346628)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _352198)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _354056)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _370066)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _352198)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _387708)
   Call: (197) [system] peek_char((0x560c892e10d0), _388642)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_393362, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_394294, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _401644)
   Call: (198) [system] peek_char((0x560c892e10d0), _402578)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _401644=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _387708=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _352198)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _414656)
   Call: (198) [system] atom_chars(_415588, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _352198=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _424880)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _426738)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _436332)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _439036)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _455970)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _461540)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _463398)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _479408)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _461540)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _497050)
   Call: (198) [system] peek_char((0x560c892e10d0), _497984)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_502704, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_503636, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _510986)
   Call: (199) [system] peek_char((0x560c892e10d0), _511920)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_516640, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _510986=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _497050=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _461540)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _525870)
   Call: (199) [system] atom_chars(_526802, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _461540=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _536094)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _537952)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _553962)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _557752)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _536094=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _424880=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _315538=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _126192=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _571634)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _573492)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _583086)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _585790)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _602724)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _608294)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _610152)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _626162)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _608294)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _631732)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _647742)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _653312)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _655170)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _671180)
   Exit: (195) [system] get_char((0x560c892e10d0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'N', _653312)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _688822)
   Call: (197) [system] peek_char((0x560c892e10d0), _689756)
   Exit: (197) [system] peek_char((0x560c892e10d0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_694476, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_695408, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x560c892e10d0), o)
   Exit: (197) [system] get_char((0x560c892e10d0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _702758)
   Call: (198) [system] peek_char((0x560c892e10d0), _703692)
   Exit: (198) [system] peek_char((0x560c892e10d0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_708412, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_709344, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x560c892e10d0), t)
   Exit: (198) [system] get_char((0x560c892e10d0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _716694)
   Call: (199) [system] peek_char((0x560c892e10d0), _717628)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_722348, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_723280, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x560c892e10d0), 'L')
   Exit: (199) [system] get_char((0x560c892e10d0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _730630)
   Call: (200) [system] peek_char((0x560c892e10d0), _731564)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_736284, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_737216, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _744566)
   Call: (201) [system] peek_char((0x560c892e10d0), _745500)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_750220, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_751152, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _758502)
   Call: (202) [system] peek_char((0x560c892e10d0), _759436)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_764156, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_765088, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _772438)
   Call: (203) [system] peek_char((0x560c892e10d0), _773372)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _772438=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _758502=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (201) [system] _744566=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (200) [system] _730630=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (199) [system] _716694=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (198) [system] _702758=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'L', i, n, k])
   Call: (197) [system] _688822=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _653312)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _799420)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_800372, _800374), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _799420), _800354, fail)), '$restore_trace'(_800372, _800374))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_800372, _800374))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _799420), _800354, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_799420)
   Fail: (198) [system] atomic(_799420)
   Call: (198) [system] atom_chars(_799420, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _653312='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _814370)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _816228)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _825822)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _828526)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _845460)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _851030)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _852888)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _868898)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _851030)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _886540)
   Call: (198) [system] peek_char((0x560c892e10d0), _887474)
   Exit: (198) [system] peek_char((0x560c892e10d0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_892194, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_893126, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x560c892e10d0), p)
   Exit: (198) [system] get_char((0x560c892e10d0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _900476)
   Call: (199) [system] peek_char((0x560c892e10d0), _901410)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_906130, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _900476=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _886540=[p]
   Exit: (198) [system] [p]=[p]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (197) [user] classify_and_convert_charseq([$, p], _851030)
^  Call: (198) [user] classify_and_convert_charseq_([$, p], _915360)
   Call: (199) [system] atom_chars(_916292, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (198) [system] integer(_p)
   Fail: (198) [system] integer(_p)
   Call: (198) [system] _851030=_p
   Exit: (198) [system] _p=_p
^  Exit: (197) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _925584)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _927442)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _943452)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _947242)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _925584=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _814370=[_p]
   Exit: (195) [system] [_p]=[_p]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_p])
   Call: (194) [system] _608294=['NotLink', _p]
   Exit: (194) [system] ['NotLink', _p]=['NotLink', _p]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['NotLink', _p])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ['NotLink', _p])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _958330)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _960188)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _969782)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _972486)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _989420)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _994990)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _996848)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1012858)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _994990)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1030500)
   Call: (196) [system] peek_char((0x560c892e10d0), _1031434)
   Exit: (196) [system] peek_char((0x560c892e10d0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1036154, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1037086, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x560c892e10d0), q)
   Exit: (196) [system] get_char((0x560c892e10d0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1044436)
   Call: (197) [system] peek_char((0x560c892e10d0), _1045370)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1050090, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1044436=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1030500=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _994990)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1059320)
   Call: (197) [system] atom_chars(_1060252, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _994990=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1069544)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1071402)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1087412)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1091202)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1069544=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _958330=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (192) [system] _571634=[['NotLink', _p], _q]
   Exit: (192) [system] [['NotLink', _p], _q]=[['NotLink', _p], _q]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [['NotLink', _p], _q])
   Call: (191) [system] _89532=[['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _p], _q]=[['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['OrLink', _p, _q], ['NotLink', _p], _q])
   Call: (190) [system] _3396=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _p], _q]=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1107878)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1109736)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1125746)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1129536)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1107878=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1143418)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1145276)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1161286)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1165076)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1143418=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]), assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1183594, _1183596, _1183598, _1183600, _1183602))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1189578))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1189578))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1189578)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1192378))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1192378)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1192378)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1202600)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1202600)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1202600)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==[_1209116, _1209122]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1192378)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1192378, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1214696)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1218404, =)
   Call: (191) [system] atom_concat($, _1218404, =)
   Fail: (191) [system] atom_concat($, _1218404, =)
^  Fail: (190) [user] symbol_concat($, _1218404, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1223992, _1223998]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1214698, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1233260)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1241604)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1241604)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1241604)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1241604)
   Call: (195) [lists] lists:last_([], ['S', _k], _1241604)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1251848, _1251854]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1233260)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1233260, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1257428)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1261136, synthesize)
   Call: (195) [system] atom_concat($, _1261136, synthesize)
   Fail: (195) [system] atom_concat($, _1261136, synthesize)
^  Fail: (194) [user] symbol_concat($, _1261136, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1266724, _1266730]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1257430, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1275992)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1280634, _1280640]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1285268, _1285270)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1290862))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1290862))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1290862)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1293662))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1293662)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1293662)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1186762)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1307620))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1307620)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1307620)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 110)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639329.355983)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639329.355983-1729639325.4761322
   Exit: (173) [system] 3.8798508644104004 is 1729639329.355983-1729639325.4761322
   Call: (173) [system] 3.8798508644104004>4
   Fail: (173) [system] 3.8798508644104004>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 19)
   Call: (175) [system] atom(19+1)
   Call: (175) [system] set_flag(translated_forms, 20)
   Exit: (175) [system] set_flag(translated_forms, 20)
   Exit: (174) [$syspreds] update_flag(translated_forms, 19, 19+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 19, 19+1))
   Exit: (171) [$syspreds] flag(translated_forms, 19, 19+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 110)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _1359090, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1359092)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1359092)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1363742)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1363742
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1363744)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1371160)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1378572)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1378572, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1380452)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1380452
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1380454, user:s2t)
^  Call: (179) [user] s2t(_query, _1386026)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1386026)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1386028, user:s2t)
^  Call: (180) [user] s2t(_kb, _1395296)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1395296)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1395298, user:s2t)
^  Call: (181) [user] s2t(_rb, _1404566)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1404566)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1404568, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1413836)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1421248)
   Call: (184) [apply] apply:maplist_(['S', _k], _1421248, user:s2t)
^  Call: (185) [user] s2t('S', _1423128)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1423128
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1423130, user:s2t)
^  Call: (186) [user] s2t(_k, _1428702)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1428702)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1428704, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1413836, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1413838, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1371160, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1371162)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1457546)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1464958)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1464958, user:s2t)
^  Call: (179) [user] s2t('let*', _1466838)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1466838
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1466840, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1472412)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1479824)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1479824, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1481704)
   Call: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1489116)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1489116, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], _1490996)
   Call: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise, _conclusion]], _1498408)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], _1498408, user:s2t)
^  Call: (189) [user] s2t(:, _1500288)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1500288
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], _1500290, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1505862)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1505862)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], _1505864, user:s2t)
^  Call: (191) [user] s2t([->, _premise, _conclusion], _1515132)
   Call: (192) [system] compound([->, _premise, _conclusion])
   Exit: (192) [system] compound([->, _premise, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise, _conclusion], _1519768)
   Call: (193) [system] compound([_premise, _conclusion])
   Exit: (193) [system] compound([_premise, _conclusion])
^  Call: (193) [user] s2t(_premise, _1522548)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1522548)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
^  Call: (193) [user] s2tl([_conclusion], _1522550)
   Call: (194) [system] compound([_conclusion])
   Exit: (194) [system] compound([_conclusion])
^  Call: (194) [user] s2t(_conclusion, _1533662)
   Call: (195) [system] compound(_conclusion)
   Exit: (195) [system] compound(_conclusion)
   Call: (195) [system] is_list(_conclusion)
^  Call: (195) [user] s2tl(_conclusion, _1533662)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
^  Exit: (195) [user] s2tl(_conclusion, _conclusion)
^  Exit: (194) [user] s2t(_conclusion, _conclusion)
^  Call: (194) [user] s2tl([], _1533664)
   Call: (195) [system] compound([])
   Call: (195) [system] []=_1533664
   Exit: (195) [system] []=[]
^  Exit: (194) [user] s2tl([], [])
^  Exit: (193) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (192) [user] s2tl([_premise, _conclusion], [_premise, _conclusion])
   Call: (192) [system] _1515132=..[->, [_premise, _conclusion]]
   Exit: (192) [system] ->([_premise, _conclusion])=..[->, [_premise, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise, _conclusion], ->([_premise, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1515134, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], [->([_premise, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], [_ructor, ->([_premise, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1490996, t, [:, _ructor, ->([_premise, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise, _conclusion])), t, [:, _ructor, ->([_premise, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], t(:, _ructor, ->([_premise, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1490998, user:s2t)
^  Call: (187) [user] s2t([_rb], _1560622)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1568034)
   Call: (189) [apply] apply:maplist_([_rb], _1568034, user:s2t)
^  Call: (190) [user] s2t(_rb, _1569914)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1569914)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1569916, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1560622, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1560624, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1481704, t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1481706, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], _1593178)
   Call: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof], _conclusion], _query], _1600590)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], _1600590, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof], _conclusion], _1602470)
   Call: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof], _conclusion], _1609882)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], _1609882, user:s2t)
^  Call: (190) [user] s2t(:, _1611762)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1611762
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], _1611764, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof], _1617336)
   Call: (192) [system] compound([_ructor, _proof])
   Exit: (192) [system] compound([_ructor, _proof])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof])
   Exit: (192) [system] is_list([_ructor, _proof])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof], _1624748)
   Call: (193) [apply] apply:maplist_([_ructor, _proof], _1624748, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1626628)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1626628)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof], _1626630, user:s2t)
^  Call: (195) [user] s2t(_proof, _1635898)
   Call: (196) [system] compound(_proof)
   Exit: (196) [system] compound(_proof)
   Call: (196) [system] is_list(_proof)
^  Call: (196) [user] s2tl(_proof, _1635898)
   Call: (197) [system] compound(_proof)
   Exit: (197) [system] compound(_proof)
^  Exit: (196) [user] s2tl(_proof, _proof)
^  Exit: (195) [user] s2t(_proof, _proof)
   Call: (195) [apply] apply:maplist_([], _1635900, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof], [_proof], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof], [_ructor, _proof], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof], [_ructor, _proof])
   Call: (192) [system] compound_name_arguments(_1617336, t, [_ructor, _proof])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof), t, [_ructor, _proof])
^  Exit: (191) [user] s2t([_ructor, _proof], t(_ructor, _proof))
   Call: (191) [apply] apply:maplist_([_conclusion], _1617338, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1652632)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1652632)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1652634, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], [t(_ructor, _proof), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion])
   Call: (188) [system] compound_name_arguments(_1602470, t, [:, t(_ructor, _proof), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof), _conclusion), t, [:, t(_ructor, _proof), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof], _conclusion], t(:, t(_ructor, _proof), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1602472, user:s2t)
^  Call: (188) [user] s2t(_query, _1670300)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1670300)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1670302, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1593178, t, [t(:, t(_ructor, _proof), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof), _conclusion), _query), t, [t(:, t(_ructor, _proof), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], t(t(:, t(_ructor, _proof), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1593180, user:s2t)
^  Call: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1687034)
   Call: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof, _premise]==(->)
   Call: (186) [system] [:, _proof, _premise]=='Cons'
   Call: (186) [system] [:, _proof, _premise]==(=)
   Call: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1694446)
   Call: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1694446, user:s2t)
^  Call: (188) [user] s2t([:, _proof, _premise], _1696326)
   Call: (189) [system] compound([:, _proof, _premise])
   Exit: (189) [system] compound([:, _proof, _premise])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof, _premise])
   Exit: (189) [system] is_list([:, _proof, _premise])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof, _premise], _1703738)
   Call: (190) [apply] apply:maplist_([:, _proof, _premise], _1703738, user:s2t)
^  Call: (191) [user] s2t(:, _1705618)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1705618
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof, _premise], _1705620, user:s2t)
^  Call: (192) [user] s2t(_proof, _1711192)
   Call: (193) [system] compound(_proof)
   Exit: (193) [system] compound(_proof)
   Call: (193) [system] is_list(_proof)
^  Call: (193) [user] s2tl(_proof, _1711192)
   Call: (194) [system] compound(_proof)
   Exit: (194) [system] compound(_proof)
^  Exit: (193) [user] s2tl(_proof, _proof)
^  Exit: (192) [user] s2t(_proof, _proof)
   Call: (192) [apply] apply:maplist_([_premise], _1711194, user:s2t)
^  Call: (193) [user] s2t(_premise, _1720462)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1720462)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
   Call: (193) [apply] apply:maplist_([], _1720464, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (189) [system] compound_name_arguments(_1696326, t, [:, _proof, _premise])
   Exit: (189) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (188) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1696328, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1738130)
   Call: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], _1745542)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1745542, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1747422)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1747422
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], _1747424, user:s2t)
^  Call: (193) [user] s2t([:, _proof, _premise], _1752996)
   Call: (194) [system] compound([:, _proof, _premise])
   Exit: (194) [system] compound([:, _proof, _premise])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof, _premise])
   Exit: (194) [system] is_list([:, _proof, _premise])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof, _premise], _1760408)
   Call: (195) [apply] apply:maplist_([:, _proof, _premise], _1760408, user:s2t)
^  Call: (196) [user] s2t(:, _1762288)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1762288
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof, _premise], _1762290, user:s2t)
^  Call: (197) [user] s2t(_proof, _1767862)
   Call: (198) [system] compound(_proof)
   Exit: (198) [system] compound(_proof)
   Call: (198) [system] is_list(_proof)
^  Call: (198) [user] s2tl(_proof, _1767862)
   Call: (199) [system] compound(_proof)
   Exit: (199) [system] compound(_proof)
^  Exit: (198) [user] s2tl(_proof, _proof)
^  Exit: (197) [user] s2t(_proof, _proof)
   Call: (197) [apply] apply:maplist_([_premise], _1767864, user:s2t)
^  Call: (198) [user] s2t(_premise, _1777132)
   Call: (199) [system] compound(_premise)
   Exit: (199) [system] compound(_premise)
   Call: (199) [system] is_list(_premise)
^  Call: (199) [user] s2tl(_premise, _1777132)
   Call: (200) [system] compound(_premise)
   Exit: (200) [system] compound(_premise)
^  Exit: (199) [user] s2tl(_premise, _premise)
^  Exit: (198) [user] s2t(_premise, _premise)
   Call: (198) [apply] apply:maplist_([], _1777134, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (194) [system] compound_name_arguments(_1752996, t, [:, _proof, _premise])
   Exit: (194) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (193) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1752998, user:s2t)
^  Call: (194) [user] s2t(_kb, _1794800)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1794800)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1794802, user:s2t)
^  Call: (195) [user] s2t(_rb, _1804070)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1804070)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1804072, user:s2t)
^  Call: (196) [user] s2t(_k, _1813340)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1813340)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1813342, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], [t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1738130, t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof, _premise), _kb, _rb, _k), t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1738132, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1687034, t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)), t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([], _1687036, user:s2t)
   Exit: (185) [apply] apply:maplist_([], [], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_1472412, t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _1472414, user:s2t)
^  Call: (181) [user] s2t(_query, _1848738)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1848738)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1848740, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_1457546, t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _1457548)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_1457548
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], _1873828)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1873828=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1879390=..[ynthesize_long_1729639320_140374, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1729639320_140374(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))=..[ynthesize_long_1729639320_140374, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 110)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 19, 19+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 110)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 111)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 111))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 111))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1904582)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1912004)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1920342)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1923128=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1924996, _1924998, _1925000, _1925002), read_sexpr((0x560c892e10d0), _1925014), assertz(metta_file_comment(_1924996, _1924998, _1925000, _1925014, _1925002))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1924996, _1924998, _1925000, _1925002)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1925002))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1925002))
   Exit: (181) [system] nonvar(position(_1925002))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4506, 112, 0, 4506)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), _1924996)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1935254)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), _1924996)
   Exit: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), 112)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), 112)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), _1924998)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1942688)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), _1924998)
   Exit: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), _1925000)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1950122)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), _1925000)
   Exit: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), 4506)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), 4506)
^  Exit: (179) [user] read_position((0x560c892e10d0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1925014)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1925014)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1960348)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1976358)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1925014)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1981928)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1997938)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _2003508)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _2005366)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _2021376)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _2003508)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _2039018)
   Call: (185) [system] peek_char((0x560c892e10d0), _2039952)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _2039018=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _2003508)
^  Call: (185) [user] classify_and_convert_charseq_([=], _2049236)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_2050188, _2050190), once(user:catch(read_from_chars([=], _2049236), _2050170, fail)), '$restore_trace'(_2050188, _2050190))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_2050188, _2050190))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _2050170, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _2003508=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _2062316)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _2064174)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _2073768)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _2076472)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _2093406)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _5574)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _7432)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _23442)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _5574)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _29012)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _45022)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _50592)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _52450)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _68460)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _50592)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _86102)
   Call: (188) [system] peek_char((0x560c892e10d0), _87036)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_91756, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_92688, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _100038)
   Call: (189) [system] peek_char((0x560c892e10d0), _100972)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_105692, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _100038=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _86102=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _50592)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _114922)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_115874, _115876), once(user:catch(read_from_chars([r, b], _114922), _115856, fail)), '$restore_trace'(_115874, _115876))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_115874, _115876))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _115856, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _50592=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _128002)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _129860)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _145870)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _149660)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _128002=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _5574=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _157954)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _159812)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _169406)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _172110)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _189044)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _194614)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _196472)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _212482)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _194614)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _218052)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _234062)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _239632)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _241490)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _257500)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _239632)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _275142)
   Call: (189) [system] peek_char((0x560c892e10d0), _276076)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _275142=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _239632)
^  Call: (189) [user] classify_and_convert_charseq_([:], _285360)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_286312, _286314), once(user:catch(read_from_chars([:], _285360), _286294, fail)), '$restore_trace'(_286312, _286314))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_286312, _286314))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _286294, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _239632=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _298440)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _300298)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _309892)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _312596)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _329530)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _335100)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _336958)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _352968)
   Exit: (188) [system] get_char((0x560c892e10d0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', _335100)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _370610)
   Call: (190) [system] peek_char((0x560c892e10d0), _371544)
   Exit: (190) [system] peek_char((0x560c892e10d0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_376264, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_377196, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x560c892e10d0), i)
   Exit: (190) [system] get_char((0x560c892e10d0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _384546)
   Call: (191) [system] peek_char((0x560c892e10d0), _385480)
   Exit: (191) [system] peek_char((0x560c892e10d0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_390200, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_391132, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x560c892e10d0), s)
   Exit: (191) [system] get_char((0x560c892e10d0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _398482)
   Call: (192) [system] peek_char((0x560c892e10d0), _399416)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_404136, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_405068, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _412418)
   Call: (193) [system] peek_char((0x560c892e10d0), _413352)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_418072, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_419004, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _426354)
   Call: (194) [system] peek_char((0x560c892e10d0), _427288)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_432008, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_432940, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _440290)
   Call: (195) [system] peek_char((0x560c892e10d0), _441224)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_445944, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_446876, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _454226)
   Call: (196) [system] peek_char((0x560c892e10d0), _455160)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_459880, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_460812, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _468162)
   Call: (197) [system] peek_char((0x560c892e10d0), _469096)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_473816, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_474748, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _482098)
   Call: (198) [system] peek_char((0x560c892e10d0), _483032)
   Exit: (198) [system] peek_char((0x560c892e10d0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_487752, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_488684, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x560c892e10d0), v)
   Exit: (198) [system] get_char((0x560c892e10d0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _496034)
   Call: (199) [system] peek_char((0x560c892e10d0), _496968)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_501688, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_502620, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _509970)
   Call: (200) [system] peek_char((0x560c892e10d0), _510904)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_515624, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_516556, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x560c892e10d0), 'S')
   Exit: (200) [system] get_char((0x560c892e10d0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _523906)
   Call: (201) [system] peek_char((0x560c892e10d0), _524840)
   Exit: (201) [system] peek_char((0x560c892e10d0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_529560, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_530492, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x560c892e10d0), y)
   Exit: (201) [system] get_char((0x560c892e10d0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _537842)
   Call: (202) [system] peek_char((0x560c892e10d0), _538776)
   Exit: (202) [system] peek_char((0x560c892e10d0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_543496, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_544428, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x560c892e10d0), l)
   Exit: (202) [system] get_char((0x560c892e10d0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _551778)
   Call: (203) [system] peek_char((0x560c892e10d0), _552712)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_557432, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_558364, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _565714)
   Call: (204) [system] peek_char((0x560c892e10d0), _566648)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_571368, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_572300, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _579650)
   Call: (205) [system] peek_char((0x560c892e10d0), _580584)
   Exit: (205) [system] peek_char((0x560c892e10d0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_585304, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_586236, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x560c892e10d0), g)
   Exit: (205) [system] get_char((0x560c892e10d0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _593586)
   Call: (206) [system] peek_char((0x560c892e10d0), _594520)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_599240, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_600172, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _607522)
   Call: (207) [system] peek_char((0x560c892e10d0), _608456)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_613176, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_614108, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _621458)
   Call: (208) [system] peek_char((0x560c892e10d0), _622392)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_627112, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_628044, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _635394)
   Call: (209) [system] peek_char((0x560c892e10d0), _636328)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _635394=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _621458=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (207) [system] _607522=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, m])
   Call: (206) [system] _593586=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, m])
   Call: (205) [system] _579650=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [g, i, s, m])
   Call: (204) [system] _565714=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, g, i, s, m])
   Call: (203) [system] _551778=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, o, g, i, s, m])
   Call: (202) [system] _537842=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, l, o, g, i, s, m])
   Call: (201) [system] _523906=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _509970=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _496034=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _482098=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _468162=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _454226=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _440290=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _426354=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _412418=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _398482=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _384546=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _370610=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _335100)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _698698)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_699650, _699652), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _698698), _699632, fail)), '$restore_trace'(_699650, _699652))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_699650, _699652))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _698698), _699632, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_698698)
   Fail: (191) [system] atomic(_698698)
   Call: (191) [system] atom_chars(_698698, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _335100='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _713648)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _715506)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _725100)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _727804)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _744738)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _750308)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _752166)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _768176)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _750308)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _773746)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _789756)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _795326)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _797184)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _813194)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _795326)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _830836)
   Call: (193) [system] peek_char((0x560c892e10d0), _831770)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_836490, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_837422, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _844772)
   Call: (194) [system] peek_char((0x560c892e10d0), _845706)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _844772=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _830836=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _795326)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _857784)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_858736, _858738), once(user:catch(read_from_chars([-, >], _857784), _858718, fail)), '$restore_trace'(_858736, _858738))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_858736, _858738))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _858718, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _795326=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _870864)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _872722)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _882316)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _885020)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _901954)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _907524)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _909382)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _925392)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _907524)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _930962)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _946972)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _952542)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _954400)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _970410)
   Exit: (194) [system] get_char((0x560c892e10d0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', _952542)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _988052)
   Call: (196) [system] peek_char((0x560c892e10d0), _988986)
   Exit: (196) [system] peek_char((0x560c892e10d0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_993706, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_994638, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x560c892e10d0), r)
   Exit: (196) [system] get_char((0x560c892e10d0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1001988)
   Call: (197) [system] peek_char((0x560c892e10d0), _1002922)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_1007642, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_1008574, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x560c892e10d0), 'L')
   Exit: (197) [system] get_char((0x560c892e10d0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1015924)
   Call: (198) [system] peek_char((0x560c892e10d0), _1016858)
   Exit: (198) [system] peek_char((0x560c892e10d0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_1021578, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_1022510, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x560c892e10d0), i)
   Exit: (198) [system] get_char((0x560c892e10d0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1029860)
   Call: (199) [system] peek_char((0x560c892e10d0), _1030794)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1035514, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1036446, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1043796)
   Call: (200) [system] peek_char((0x560c892e10d0), _1044730)
   Exit: (200) [system] peek_char((0x560c892e10d0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_1049450, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_1050382, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x560c892e10d0), k)
   Exit: (200) [system] get_char((0x560c892e10d0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1057732)
   Call: (201) [system] peek_char((0x560c892e10d0), _1058666)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1057732=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _1043796=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (199) [system] _1029860=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (198) [system] _1015924=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (197) [system] _1001988=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (196) [system] _988052=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _952542)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1081920)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1082872, _1082874), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1081920), _1082854, fail)), '$restore_trace'(_1082872, _1082874))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1082872, _1082874))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1081920), _1082854, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1081920)
   Fail: (197) [system] atomic(_1081920)
   Call: (197) [system] atom_chars(_1081920, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _952542='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1096870)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1098728)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1108322)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1111026)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1127960)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1133530)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1135388)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1151398)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _1133530)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1169040)
   Call: (197) [system] peek_char((0x560c892e10d0), _1169974)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1174694, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1175626, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1182976)
   Call: (198) [system] peek_char((0x560c892e10d0), _1183910)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1182976=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _1169040=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1133530)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1195988)
   Call: (198) [system] atom_chars(_1196920, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1133530=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1206212)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1208070)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1217664)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1220368)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1237302)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1242872)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1244730)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1260740)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _1242872)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1278382)
   Call: (198) [system] peek_char((0x560c892e10d0), _1279316)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1284036, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1284968, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1292318)
   Call: (199) [system] peek_char((0x560c892e10d0), _1293252)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1297972, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1292318=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1278382=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1242872)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1307202)
   Call: (199) [system] atom_chars(_1308134, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1242872=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1317426)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1319284)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1335294)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1339084)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1317426=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1206212=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _1096870=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _907524=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1352966)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1354824)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1364418)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1367122)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1384056)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1389626)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1391484)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1407494)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1389626)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1413064)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1429074)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1434644)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1436502)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1452512)
   Exit: (195) [system] get_char((0x560c892e10d0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'N', _1434644)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1470154)
   Call: (197) [system] peek_char((0x560c892e10d0), _1471088)
   Exit: (197) [system] peek_char((0x560c892e10d0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_1475808, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_1476740, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x560c892e10d0), o)
   Exit: (197) [system] get_char((0x560c892e10d0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1484090)
   Call: (198) [system] peek_char((0x560c892e10d0), _1485024)
   Exit: (198) [system] peek_char((0x560c892e10d0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1489744, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_1490676, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x560c892e10d0), t)
   Exit: (198) [system] get_char((0x560c892e10d0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1498026)
   Call: (199) [system] peek_char((0x560c892e10d0), _1498960)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1503680, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_1504612, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x560c892e10d0), 'L')
   Exit: (199) [system] get_char((0x560c892e10d0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511962)
   Call: (200) [system] peek_char((0x560c892e10d0), _1512896)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1517616, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1518548, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1525898)
   Call: (201) [system] peek_char((0x560c892e10d0), _1526832)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1531552, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1532484, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1539834)
   Call: (202) [system] peek_char((0x560c892e10d0), _1540768)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1545488, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1546420, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1553770)
   Call: (203) [system] peek_char((0x560c892e10d0), _1554704)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1553770=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1539834=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (201) [system] _1525898=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (200) [system] _1511962=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (199) [system] _1498026=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (198) [system] _1484090=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'L', i, n, k])
   Call: (197) [system] _1470154=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _1434644)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _1580752)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1581704, _1581706), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1580752), _1581686, fail)), '$restore_trace'(_1581704, _1581706))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1581704, _1581706))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1580752), _1581686, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1580752)
   Fail: (198) [system] atomic(_1580752)
   Call: (198) [system] atom_chars(_1580752, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _1434644='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1595702)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1597560)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1607154)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1609858)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1626792)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1632362)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1634220)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1650230)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _1632362)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1667872)
   Call: (198) [system] peek_char((0x560c892e10d0), _1668806)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1673526, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1674458, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1681808)
   Call: (199) [system] peek_char((0x560c892e10d0), _1682742)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1687462, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1681808=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1667872=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1632362)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1696692)
   Call: (199) [system] atom_chars(_1697624, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1632362=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1706916)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1708774)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1724784)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1728574)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1706916=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1595702=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _1389626=['NotLink', _q]
   Exit: (194) [system] ['NotLink', _q]=['NotLink', _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['NotLink', _q])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ['NotLink', _q])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1739662)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1741520)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1751114)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1753818)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1770752)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1776322)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1778180)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1794190)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1776322)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1811832)
   Call: (196) [system] peek_char((0x560c892e10d0), _1812766)
   Exit: (196) [system] peek_char((0x560c892e10d0), p)
^  Call: (196) [user] is_delimiter(p)
   Call: (197) [system] char_type(p, space)
   Fail: (197) [system] char_type(p, space)
   Call: (197) [system] arg(_1817486, v('(', ')', end_of_file), p)
   Fail: (197) [system] arg(_1818418, v('(', ')', end_of_file), p)
^  Fail: (196) [user] is_delimiter(p)
   Call: (196) [system] ')'==p
   Fail: (196) [system] ')'==p
   Call: (196) [system] get_char((0x560c892e10d0), p)
   Exit: (196) [system] get_char((0x560c892e10d0), p)
   Call: (196) [system] p=(\)
   Fail: (196) [system] p=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1825768)
   Call: (197) [system] peek_char((0x560c892e10d0), _1826702)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1831422, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1825768=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1811832=[p]
   Exit: (196) [system] [p]=[p]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (195) [user] classify_and_convert_charseq([$, p], _1776322)
^  Call: (196) [user] classify_and_convert_charseq_([$, p], _1840652)
   Call: (197) [system] atom_chars(_1841584, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (196) [system] integer(_p)
   Fail: (196) [system] integer(_p)
   Call: (196) [system] _1776322=_p
   Exit: (196) [system] _p=_p
^  Exit: (195) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1850876)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1852734)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1868744)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1872534)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1850876=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1739662=[_p]
   Exit: (193) [system] [_p]=[_p]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_p])
   Call: (192) [system] _1352966=[['NotLink', _q], _p]
   Exit: (192) [system] [['NotLink', _q], _p]=[['NotLink', _q], _p]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [['NotLink', _q], _p])
   Call: (191) [system] _870864=[['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _q], _p]=[['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['OrLink', _p, _q], ['NotLink', _q], _p])
   Call: (190) [system] _750308=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _q], _p]=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1889210)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1891068)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1907078)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1910868)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1889210=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _713648=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (187) [system] _298440=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (186) [system] _194614=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1924750)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1926608)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1942618)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1946408)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1924750=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _157954=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]), assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1964926, _1964928, _1964930, _1964932, _1964934))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1967760))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1967760)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), _1967760)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1970576))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1970576))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1970576)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1973376))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1973376)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), _1973376)
   Call: (187) [system] var('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] atom('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==true
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==false
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==[_1979896, _1979902]
   Call: (187) [system] is_list('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] string('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), _1984530, _1984532)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Binary rule", 59, 0], _1988272)
   Call: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], _1988272, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Binary rule", _1990152)
   Call: (190) [system] var(";; Binary rule")
   Call: (190) [system] atom(";; Binary rule")
   Call: (190) [system] ";; Binary rule"==true
   Call: (190) [system] ";; Binary rule"==false
   Call: (190) [system] ";; Binary rule"==[_1994794, _1994800]
   Call: (190) [system] is_list(";; Binary rule")
   Call: (190) [system] string(";; Binary rule")
   Exit: (190) [system] string(";; Binary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Binary rule")
^  Call: (190) [user] symbol(";; Binary rule")
   Call: (191) [system] atom(";; Binary rule")
   Fail: (191) [system] atom(";; Binary rule")
^  Fail: (190) [user] symbol(";; Binary rule")
   Call: (190) [system] ";; Binary rule"=_1990152
   Exit: (190) [system] ";; Binary rule"=";; Binary rule"
^  Exit: (189) [user] mfix_vars1(";; Binary rule", ";; Binary rule")
   Call: (189) [apply] apply:maplist_([59, 0], _1990154, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(59, _2008674)
   Call: (191) [system] var(59)
   Call: (191) [system] atom(59)
   Call: (191) [system] 59==true
   Call: (191) [system] 59==false
   Call: (191) [system] 59==[_2013316, _2013322]
   Call: (191) [system] is_list(59)
   Call: (191) [system] string(59)
   Call: (191) [system] compound(59)
^  Call: (191) [user] symbol(59)
   Call: (192) [system] atom(59)
   Fail: (192) [system] atom(59)
^  Fail: (191) [user] symbol(59)
   Call: (191) [system] 59=_2008674
   Exit: (191) [system] 59=59
^  Exit: (190) [user] mfix_vars1(59, 59)
   Call: (190) [apply] apply:maplist_([0], _2008676, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2024440)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2029082, _2029088]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2024440
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2024442, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([59, 0], [59, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], [";; Binary rule", 59, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Binary rule", 59, 0], [";; Binary rule", 59, 0])
   Call: (187) [system] compound_name_arguments(_1973376, '$COMMENT', [";; Binary rule", 59, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2053258))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2053258))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2053258)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2056058))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2056058)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), _2056058)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1967760))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1967760))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1967760)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _2070016))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _2070016)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), _2070016)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (178) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1729639320_140374, 111)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639325.4761322), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639325.4761322), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639329.685125)
   Call: (173) [system] arg(1, t(1729639325.4761322), _3148)
   Exit: (173) [system] arg(1, t(1729639325.4761322), 1729639325.4761322)
   Call: (173) [system] _3158 is 1729639329.685125-1729639325.4761322
   Exit: (173) [system] 4.208992958068848 is 1729639329.685125-1729639325.4761322
   Call: (173) [system] 4.208992958068848>4
   Exit: (173) [system] 4.208992958068848>4
   Call: (173) [system] nb_setarg(1, t(1729639325.4761322), 1729639329.685125)
   Exit: (173) [system] nb_setarg(1, t(1729639329.685125), 1729639329.685125)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";; Binary rule", 59, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_22354, _22356), once(user:with_indents(false, write_src('$COMMENT'(";; Binary rule", 59, 0)))), '$restore_trace'(_22354, _22356))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_22354, _22356))
(%COMMENT  ";; Binary rule" 59 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";; Binary rule", 59, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";; Binary rule", 59, 0))
 ; line: 111 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1729639329.685125), arg(1, t(1729639329.685125), 1729639325.4761322), 4.208992958068848 is 1729639329.685125-1729639325.4761322, 4.208992958068848>4), (nb_setarg(1, t(1729639329.685125), 1729639329.685125), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 20)
   Call: (175) [system] atom(20+1)
   Call: (175) [system] set_flag(translated_forms, 21)
   Exit: (175) [system] set_flag(translated_forms, 21)
   Exit: (174) [$syspreds] update_flag(translated_forms, 20, 20+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 20, 20+1))
   Exit: (171) [$syspreds] flag(translated_forms, 20, 20+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1729639320_140374, 111)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Binary rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Binary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1729639320_140374, 111)
^  Exit: (169) [system] once(user:(if_t((get_time(1729639329.685125), arg(1, t(1729639329.685125), 1729639325.4761322), 4.208992958068848 is 1729639329.685125-1729639325.4761322, 4.208992958068848>4), (nb_setarg(1, t(1729639329.685125), 1729639329.685125), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 20, 20+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1729639320_140374, 111)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 112)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 112))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 112))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _69912)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _77334)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _85672)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _88458=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _90326, _90328, _90330, _90332), read_sexpr((0x560c892e10d0), _90344), assertz(metta_file_comment(_90326, _90328, _90330, _90344, _90332))))
^  Call: (179) [user] read_position((0x560c892e10d0), _90326, _90328, _90330, _90332)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_90332))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_90332))
   Exit: (181) [system] nonvar(position(_90332))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4576, 113, 0, 4576)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), _90326)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _100584)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), _90326)
   Exit: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), 113)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), 113)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), _90328)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _108018)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), _90328)
   Exit: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), _90330)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _115452)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), _90330)
   Exit: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), 4576)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), 4576)
^  Exit: (179) [user] read_position((0x560c892e10d0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _90344)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _90344)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _125678)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _141688)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _90344)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _147258)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _163268)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _168838)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _170696)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _186706)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _168838)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _204348)
   Call: (185) [system] peek_char((0x560c892e10d0), _205282)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _204348=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _168838)
^  Call: (185) [user] classify_and_convert_charseq_([=], _214566)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_215518, _215520), once(user:catch(read_from_chars([=], _214566), _215500, fail)), '$restore_trace'(_215518, _215520))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_215518, _215520))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _215500, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _168838=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _227646)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _229504)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _239098)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _241802)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _258736)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _264306)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _266164)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _282174)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _264306)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _287744)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _303754)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _309324)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _311182)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _327192)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _309324)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _344834)
   Call: (188) [system] peek_char((0x560c892e10d0), _345768)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_350488, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_351420, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _358770)
   Call: (189) [system] peek_char((0x560c892e10d0), _359704)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_364424, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _358770=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _344834=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _309324)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _373654)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_374606, _374608), once(user:catch(read_from_chars([r, b], _373654), _374588, fail)), '$restore_trace'(_374606, _374608))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_374606, _374608))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _374588, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _309324=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _386734)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _388592)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _404602)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _408392)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _386734=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _264306=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _416686)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _418544)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _428138)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _430842)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _447776)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _453346)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _455204)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _471214)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _453346)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _476784)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _492794)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _498364)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _500222)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _516232)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _498364)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _533874)
   Call: (189) [system] peek_char((0x560c892e10d0), _534808)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _533874=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _498364)
^  Call: (189) [user] classify_and_convert_charseq_([:], _544092)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_545044, _545046), once(user:catch(read_from_chars([:], _544092), _545026, fail)), '$restore_trace'(_545044, _545046))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_545044, _545046))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _545026, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _498364=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _557172)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _559030)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _568624)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _571328)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _588262)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _593832)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _595690)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _611700)
   Exit: (188) [system] get_char((0x560c892e10d0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', _593832)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _629342)
   Call: (190) [system] peek_char((0x560c892e10d0), _630276)
   Exit: (190) [system] peek_char((0x560c892e10d0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_634996, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_635928, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x560c892e10d0), o)
   Exit: (190) [system] get_char((0x560c892e10d0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _643278)
   Call: (191) [system] peek_char((0x560c892e10d0), _644212)
   Exit: (191) [system] peek_char((0x560c892e10d0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_648932, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_649864, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x560c892e10d0), n)
   Exit: (191) [system] get_char((0x560c892e10d0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _657214)
   Call: (192) [system] peek_char((0x560c892e10d0), _658148)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_662868, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_663800, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _671150)
   Call: (193) [system] peek_char((0x560c892e10d0), _672084)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_676804, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_677736, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _685086)
   Call: (194) [system] peek_char((0x560c892e10d0), _686020)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_690740, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_691672, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _699022)
   Call: (195) [system] peek_char((0x560c892e10d0), _699956)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_704676, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_705608, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _712958)
   Call: (196) [system] peek_char((0x560c892e10d0), _713892)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_718612, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_719544, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _726894)
   Call: (197) [system] peek_char((0x560c892e10d0), _727828)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_732548, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_733480, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _740830)
   Call: (198) [system] peek_char((0x560c892e10d0), _741764)
   Exit: (198) [system] peek_char((0x560c892e10d0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_746484, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_747416, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x560c892e10d0), o)
   Exit: (198) [system] get_char((0x560c892e10d0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _754766)
   Call: (199) [system] peek_char((0x560c892e10d0), _755700)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_760420, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_761352, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _768702)
   Call: (200) [system] peek_char((0x560c892e10d0), _769636)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_774356, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_775288, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x560c892e10d0), 'I')
   Exit: (200) [system] get_char((0x560c892e10d0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _782638)
   Call: (201) [system] peek_char((0x560c892e10d0), _783572)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_788292, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_789224, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _796574)
   Call: (202) [system] peek_char((0x560c892e10d0), _797508)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_802228, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_803160, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _810510)
   Call: (203) [system] peek_char((0x560c892e10d0), _811444)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_816164, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_817096, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _824446)
   Call: (204) [system] peek_char((0x560c892e10d0), _825380)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_830100, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_831032, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _838382)
   Call: (205) [system] peek_char((0x560c892e10d0), _839316)
   Exit: (205) [system] peek_char((0x560c892e10d0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_844036, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_844968, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x560c892e10d0), d)
   Exit: (205) [system] get_char((0x560c892e10d0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _852318)
   Call: (206) [system] peek_char((0x560c892e10d0), _853252)
   Exit: (206) [system] peek_char((0x560c892e10d0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_857972, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_858904, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x560c892e10d0), u)
   Exit: (206) [system] get_char((0x560c892e10d0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _866254)
   Call: (207) [system] peek_char((0x560c892e10d0), _867188)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_871908, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_872840, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _880190)
   Call: (208) [system] peek_char((0x560c892e10d0), _881124)
   Exit: (208) [system] peek_char((0x560c892e10d0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_885844, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_886776, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x560c892e10d0), t)
   Exit: (208) [system] get_char((0x560c892e10d0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _894126)
   Call: (209) [system] peek_char((0x560c892e10d0), _895060)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_899780, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_900712, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _908062)
   Call: (210) [system] peek_char((0x560c892e10d0), _908996)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_913716, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_914648, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _921998)
   Call: (211) [system] peek_char((0x560c892e10d0), _922932)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_927652, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_928584, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _935934)
   Call: (212) [system] peek_char((0x560c892e10d0), _936868)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _935934=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _921998=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (210) [system] _908062=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (209) [system] _894126=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (208) [system] _880190=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (207) [system] _866254=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (206) [system] _852318=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (205) [system] _838382=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (204) [system] _824446=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _810510=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _796574=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _782638=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _768702=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _754766=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _740830=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _726894=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _712958=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _699022=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _685086=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _671150=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _657214=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _643278=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _629342=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _593832)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007620)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1008572, _1008574), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007620), _1008554, fail)), '$restore_trace'(_1008572, _1008574))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1008572, _1008574))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007620), _1008554, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1007620)
   Fail: (191) [system] atomic(_1007620)
   Call: (191) [system] atom_chars(_1007620, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (190) [system] integer('ConjunctionIntroduction')
   Fail: (190) [system] integer('ConjunctionIntroduction')
   Call: (190) [system] _593832='ConjunctionIntroduction'
   Exit: (190) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1022570)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1024428)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1034022)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1036726)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1053660)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1059230)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1061088)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1077098)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1059230)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1082668)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1098678)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1104248)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1106106)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1122116)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _1104248)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1139758)
   Call: (193) [system] peek_char((0x560c892e10d0), _1140692)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1145412, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1146344, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1153694)
   Call: (194) [system] peek_char((0x560c892e10d0), _1154628)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1153694=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1139758=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1104248)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1166706)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1167658, _1167660), once(user:catch(read_from_chars([-, >], _1166706), _1167640, fail)), '$restore_trace'(_1167658, _1167660))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1167658, _1167660))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1167640, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1104248=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1179786)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1181644)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1191238)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1193942)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1210876)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1216446)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1218304)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1234314)
   Exit: (192) [system] get_char((0x560c892e10d0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), $, _1216446)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1251956)
   Call: (194) [system] peek_char((0x560c892e10d0), _1252890)
   Exit: (194) [system] peek_char((0x560c892e10d0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1257610, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1258542, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x560c892e10d0), p)
   Exit: (194) [system] get_char((0x560c892e10d0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1265892)
   Call: (195) [system] peek_char((0x560c892e10d0), _1266826)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1265892=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1251956=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _1216446)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _1278904)
   Call: (195) [system] atom_chars(_1279836, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _1216446=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1289128)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1290986)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1300580)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1303284)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1320218)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1325788)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1327646)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1343656)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1325788)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1361298)
   Call: (195) [system] peek_char((0x560c892e10d0), _1362232)
   Exit: (195) [system] peek_char((0x560c892e10d0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_1366952, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_1367884, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x560c892e10d0), q)
   Exit: (195) [system] get_char((0x560c892e10d0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1375234)
   Call: (196) [system] peek_char((0x560c892e10d0), _1376168)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1375234=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _1361298=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _1325788)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _1388246)
   Call: (196) [system] atom_chars(_1389178, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _1325788=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1398470)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1400328)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1409922)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1412626)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1429560)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1435130)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1436988)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1452998)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1435130)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1458568)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1474578)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1480148)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1482006)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1498016)
   Exit: (196) [system] get_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1480148)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1515658)
   Call: (198) [system] peek_char((0x560c892e10d0), _1516592)
   Exit: (198) [system] peek_char((0x560c892e10d0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_1521312, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_1522244, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x560c892e10d0), n)
   Exit: (198) [system] get_char((0x560c892e10d0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1529594)
   Call: (199) [system] peek_char((0x560c892e10d0), _1530528)
   Exit: (199) [system] peek_char((0x560c892e10d0), d)
^  Call: (199) [user] is_delimiter(d)
   Call: (200) [system] char_type(d, space)
   Fail: (200) [system] char_type(d, space)
   Call: (200) [system] arg(_1535248, v('(', ')', end_of_file), d)
   Fail: (200) [system] arg(_1536180, v('(', ')', end_of_file), d)
^  Fail: (199) [user] is_delimiter(d)
   Call: (199) [system] ')'==d
   Fail: (199) [system] ')'==d
   Call: (199) [system] get_char((0x560c892e10d0), d)
   Exit: (199) [system] get_char((0x560c892e10d0), d)
   Call: (199) [system] d=(\)
   Fail: (199) [system] d=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1543530)
   Call: (200) [system] peek_char((0x560c892e10d0), _1544464)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (200) [user] is_delimiter('L')
   Call: (201) [system] char_type('L', space)
   Fail: (201) [system] char_type('L', space)
   Call: (201) [system] arg(_1549184, v('(', ')', end_of_file), 'L')
   Fail: (201) [system] arg(_1550116, v('(', ')', end_of_file), 'L')
^  Fail: (200) [user] is_delimiter('L')
   Call: (200) [system] ')'=='L'
   Fail: (200) [system] ')'=='L'
   Call: (200) [system] get_char((0x560c892e10d0), 'L')
   Exit: (200) [system] get_char((0x560c892e10d0), 'L')
   Call: (200) [system] 'L'=(\)
   Fail: (200) [system] 'L'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1557466)
   Call: (201) [system] peek_char((0x560c892e10d0), _1558400)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1563120, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1564052, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1571402)
   Call: (202) [system] peek_char((0x560c892e10d0), _1572336)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1577056, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1577988, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1585338)
   Call: (203) [system] peek_char((0x560c892e10d0), _1586272)
   Exit: (203) [system] peek_char((0x560c892e10d0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1590992, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1591924, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x560c892e10d0), k)
   Exit: (203) [system] get_char((0x560c892e10d0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599274)
   Call: (204) [system] peek_char((0x560c892e10d0), _1600208)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1599274=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1585338=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (202) [system] _1571402=[n, k]
   Exit: (202) [system] [n, k]=[n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (201) [system] _1557466=[i, n, k]
   Exit: (201) [system] [i, n, k]=[i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (200) [system] _1543530=['L', i, n, k]
   Exit: (200) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (199) [system] _1529594=[d, 'L', i, n, k]
   Exit: (199) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (198) [system] _1515658=[n, d, 'L', i, n, k]
   Exit: (198) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1480148)
^  Call: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1626256)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1627208, _1627210), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626256), _1627190, fail)), '$restore_trace'(_1627208, _1627210))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1627208, _1627210))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626256), _1627190, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1626256)
   Fail: (199) [system] atomic(_1626256)
   Call: (199) [system] atom_chars(_1626256, ['A', n, d, 'L', i, n, k])
   Exit: (199) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (198) [system] integer('AndLink')
   Fail: (198) [system] integer('AndLink')
   Call: (198) [system] _1480148='AndLink'
   Exit: (198) [system] 'AndLink'='AndLink'
^  Exit: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1641206)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1643064)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1652658)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1655362)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1672296)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1677866)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1679724)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1695734)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1677866)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1713376)
   Call: (199) [system] peek_char((0x560c892e10d0), _1714310)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1719030, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1719962, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1727312)
   Call: (200) [system] peek_char((0x560c892e10d0), _1728246)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1727312=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1713376=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _1677866)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _1740324)
   Call: (200) [system] atom_chars(_1741256, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _1677866=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1750548)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1752406)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1762000)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1764704)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1781638)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1787208)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1789066)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1805076)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1787208)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1822718)
   Call: (200) [system] peek_char((0x560c892e10d0), _1823652)
   Exit: (200) [system] peek_char((0x560c892e10d0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1828372, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1829304, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x560c892e10d0), q)
   Exit: (200) [system] get_char((0x560c892e10d0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1836654)
   Call: (201) [system] peek_char((0x560c892e10d0), _1837588)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1842308, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1836654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _1822718=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _1787208)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _1851538)
   Call: (201) [system] atom_chars(_1852470, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _1787208=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1861762)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1863620)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1879630)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1883420)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1861762=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _1750548=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (196) [system] _1641206=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (195) [system] _1435130=['AndLink', _p, _q]
   Exit: (195) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1897302)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1899160)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1915170)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1918960)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1897302=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1398470=[['AndLink', _p, _q]]
   Exit: (193) [system] [['AndLink', _p, _q]]=[['AndLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['AndLink', _p, _q]])
   Call: (192) [system] _1289128=[_q, ['AndLink', _p, _q]]
   Exit: (192) [system] [_q, ['AndLink', _p, _q]]=[_q, ['AndLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_q, ['AndLink', _p, _q]])
   Call: (191) [system] _1179786=[_p, _q, ['AndLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['AndLink', _p, _q]]=[_p, _q, ['AndLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [_p, _q, ['AndLink', _p, _q]])
   Call: (190) [system] _1059230=[->, _p, _q, ['AndLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['AndLink', _p, _q]]=[->, _p, _q, ['AndLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, _p, _q, ['AndLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, _p, _q, ['AndLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1935636)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1937494)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1953504)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1957294)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1935636=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _1022570=[[->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['AndLink', _p, _q]]]=[[->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, _p, _q, ['AndLink', _p, _q]]])
   Call: (187) [system] _557172=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (187) [system] ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
   Call: (186) [system] _453346=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (186) [system] [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1971176)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1973034)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1989044)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1992834)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1971176=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _416686=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (183) [system] _227646=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (182) [system] _90344=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]), assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2011352, _2011354, _2011356, _2011358, _2011360))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014652))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014652)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014652)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017468))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017468))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017468)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020268))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020268)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020268)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2030490)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _2030490)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _2030490)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==[_2037006, _2037012]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020268)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020268, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _2042586)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _2046294, =)
   Call: (191) [system] atom_concat($, _2046294, =)
   Fail: (191) [system] atom_concat($, _2046294, =)
^  Fail: (190) [user] symbol_concat($, _2046294, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_2051882, _2051888]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2042588, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _2061150)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _2069494)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _2069494)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _2069494)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _2069494)
   Call: (195) [lists] lists:last_([], ['S', _k], _2069494)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_2079738, _2079744]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _2061150)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _2061150, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _2085318)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _2089026, synthesize)
   Call: (195) [system] atom_concat($, _2089026, synthesize)
   Fail: (195) [system] atom_concat($, _2089026, synthesize)
^  Fail: (194) [user] symbol_concat($, _2089026, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_2094614, _2094620]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _3868, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _10950)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_15592, _15598]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _20226, _20228)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _25820))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _25820))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _25820)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28620))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28620)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28620)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42578))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42578)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42578)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 112)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639329.9471755)
   Call: (173) [system] arg(1, t(1729639329.685125), _3148)
   Exit: (173) [system] arg(1, t(1729639329.685125), 1729639329.685125)
   Call: (173) [system] _3158 is 1729639329.9471755-1729639329.685125
   Exit: (173) [system] 0.2620503902435303 is 1729639329.9471755-1729639329.685125
   Call: (173) [system] 0.2620503902435303>4
   Fail: (173) [system] 0.2620503902435303>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 21)
   Call: (175) [system] atom(21+1)
   Call: (175) [system] set_flag(translated_forms, 22)
   Exit: (175) [system] set_flag(translated_forms, 22)
   Exit: (174) [$syspreds] update_flag(translated_forms, 21, 21+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 21, 21+1))
   Exit: (171) [$syspreds] flag(translated_forms, 21, 21+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 112)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _94048, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _94050)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _94050)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _98700)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_98700
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _98702)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _106118)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _113530)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _113530, user:s2t)
^  Call: (178) [user] s2t(synthesize, _115410)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_115410
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _115412, user:s2t)
^  Call: (179) [user] s2t(_query, _120984)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _120984)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _120986, user:s2t)
^  Call: (180) [user] s2t(_kb, _130254)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _130254)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _130256, user:s2t)
^  Call: (181) [user] s2t(_rb, _139524)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _139524)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _139526, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _148794)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _156206)
   Call: (184) [apply] apply:maplist_(['S', _k], _156206, user:s2t)
^  Call: (185) [user] s2t('S', _158086)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_158086
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _158088, user:s2t)
^  Call: (186) [user] s2t(_k, _163660)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _163660)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _163662, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_148794, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _148796, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_106118, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _106120)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _192504)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _199916)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _199916, user:s2t)
^  Call: (179) [user] s2t('let*', _201796)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_201796
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _201798, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _207370)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _214782)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _214782, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _216662)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _224074)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _224074, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], _225954)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], _233366)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], _233366, user:s2t)
^  Call: (189) [user] s2t(:, _235246)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_235246
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], _235248, user:s2t)
^  Call: (190) [user] s2t(_ructor, _240820)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _240820)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], _240822, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _conclusion], _250090)
   Call: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _conclusion], _254726)
   Call: (193) [system] compound([_premise1, _premise2, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _conclusion])
^  Call: (193) [user] s2t(_premise1, _257506)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _257506)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _conclusion], _257508)
   Call: (194) [system] compound([_premise2, _conclusion])
   Exit: (194) [system] compound([_premise2, _conclusion])
^  Call: (194) [user] s2t(_premise2, _268620)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _268620)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_conclusion], _268622)
   Call: (195) [system] compound([_conclusion])
   Exit: (195) [system] compound([_conclusion])
^  Call: (195) [user] s2t(_conclusion, _279734)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
   Call: (196) [system] is_list(_conclusion)
^  Call: (196) [user] s2tl(_conclusion, _279734)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
^  Exit: (196) [user] s2tl(_conclusion, _conclusion)
^  Exit: (195) [user] s2t(_conclusion, _conclusion)
^  Call: (195) [user] s2tl([], _279736)
   Call: (196) [system] compound([])
   Call: (196) [system] []=_279736
   Exit: (196) [system] []=[]
^  Exit: (195) [user] s2tl([], [])
^  Exit: (194) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (193) [user] s2tl([_premise2, _conclusion], [_premise2, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _conclusion], [_premise1, _premise2, _conclusion])
   Call: (192) [system] _250090=..[->, [_premise1, _premise2, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _conclusion])=..[->, [_premise1, _premise2, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _conclusion], ->([_premise1, _premise2, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _250092, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], [->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], [_ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Call: (187) [system] compound_name_arguments(_225954, t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _225956, user:s2t)
^  Call: (187) [user] s2t([_rb], _307622)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _315034)
   Call: (189) [apply] apply:maplist_([_rb], _315034, user:s2t)
^  Call: (190) [user] s2t(_rb, _316914)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _316914)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _316916, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_307622, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _307624, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_216662, t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _216664, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _340178)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], _347590)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _347590, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], _349470)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2], _conclusion], _356882)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], _356882, user:s2t)
^  Call: (190) [user] s2t(:, _358762)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_358762
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], _358764, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2], _364336)
   Call: (192) [system] compound([_ructor, _proof1, _proof2])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2], _371748)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], _371748, user:s2t)
^  Call: (194) [user] s2t(_ructor, _373628)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _373628)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2], _373630, user:s2t)
^  Call: (195) [user] s2t(_proof1, _382898)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _382898)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2], _382900, user:s2t)
^  Call: (196) [user] s2t(_proof2, _392168)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _392168)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([], _392170, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2], [_proof2], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2], [_proof1, _proof2], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2])
   Call: (192) [system] compound_name_arguments(_364336, t, [_ructor, _proof1, _proof2])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2), t, [_ructor, _proof1, _proof2])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2], t(_ructor, _proof1, _proof2))
   Call: (191) [apply] apply:maplist_([_conclusion], _364338, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _409836)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _409836)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _409838, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], [t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion])
   Call: (188) [system] compound_name_arguments(_349470, t, [:, t(_ructor, _proof1, _proof2), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2), _conclusion), t, [:, t(_ructor, _proof1, _proof2), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], t(:, t(_ructor, _proof1, _proof2), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _349472, user:s2t)
^  Call: (188) [user] s2t(_query, _427504)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _427504)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _427506, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_340178, t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _340180, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _444238)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _451650)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _451650, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _453530)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _460942)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _460942, user:s2t)
^  Call: (191) [user] s2t(:, _462822)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_462822
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _462824, user:s2t)
^  Call: (192) [user] s2t(_proof1, _468396)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _468396)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _468398, user:s2t)
^  Call: (193) [user] s2t(_premise1, _477666)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _477666)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _477668, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_453530, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _453532, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _495334)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _502746)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _502746, user:s2t)
^  Call: (192) [user] s2t(synthesize, _504626)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_504626
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _504628, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _510200)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _517612)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _517612, user:s2t)
^  Call: (196) [user] s2t(:, _519492)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_519492
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _519494, user:s2t)
^  Call: (197) [user] s2t(_proof1, _525066)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _525066)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _525068, user:s2t)
^  Call: (198) [user] s2t(_premise1, _534336)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _534336)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _534338, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_510200, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _510202, user:s2t)
^  Call: (194) [user] s2t(_kb, _552004)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _552004)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _552006, user:s2t)
^  Call: (195) [user] s2t(_rb, _561274)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _561274)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _561276, user:s2t)
^  Call: (196) [user] s2t(_k, _570544)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _570544)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _570546, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_495334, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _495336, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_444238, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _444240, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _597544)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _604956)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _604956, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _606836)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _614248)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _614248, user:s2t)
^  Call: (192) [user] s2t(:, _616128)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_616128
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _616130, user:s2t)
^  Call: (193) [user] s2t(_proof2, _621702)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _621702)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _621704, user:s2t)
^  Call: (194) [user] s2t(_premise2, _630972)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _630972)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _630974, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_606836, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _606838, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _648640)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _656052)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _656052, user:s2t)
^  Call: (193) [user] s2t(synthesize, _657932)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_657932
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _657934, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _663506)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _670918)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _670918, user:s2t)
^  Call: (197) [user] s2t(:, _672798)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_672798
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _672800, user:s2t)
^  Call: (198) [user] s2t(_proof2, _678372)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _678372)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _678374, user:s2t)
^  Call: (199) [user] s2t(_premise2, _687642)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _687642)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _687644, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_663506, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _663508, user:s2t)
^  Call: (195) [user] s2t(_kb, _705310)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _705310)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _705312, user:s2t)
^  Call: (196) [user] s2t(_rb, _714580)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _714580)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _714582, user:s2t)
^  Call: (197) [user] s2t(_k, _723850)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _723850)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _723852, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_648640, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _648642, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_597544, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([], _597546, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_207370, t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _207372, user:s2t)
^  Call: (181) [user] s2t(_query, _760182)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _760182)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _760184, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_192504, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _192506)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_192506
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], _785272)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (173) [system] _785272=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (172) [system] _790834=..[ynthesize_long_1729639320_140374, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1729639320_140374(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))=..[ynthesize_long_1729639320_140374, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 112)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 21, 21+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 112)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 113)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 113))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 113))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _816026)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _823448)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _831786)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _834572=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _836440, _836442, _836444, _836446), read_sexpr((0x560c892e10d0), _836458), assertz(metta_file_comment(_836440, _836442, _836444, _836458, _836446))))
^  Call: (179) [user] read_position((0x560c892e10d0), _836440, _836442, _836444, _836446)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_836446))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_836446))
   Exit: (181) [system] nonvar(position(_836446))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4640, 114, 0, 4640)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), _836440)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _846698)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), _836440)
   Exit: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), 114)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), 114)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), _836442)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _854132)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), _836442)
   Exit: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), _836444)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _861566)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), _836444)
   Exit: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), 4640)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), 4640)
^  Exit: (179) [user] read_position((0x560c892e10d0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _836458)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _836458)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _871792)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _887802)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _836458)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _893372)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _909382)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _914952)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _916810)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _932820)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _914952)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _950462)
   Call: (185) [system] peek_char((0x560c892e10d0), _951396)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _950462=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _914952)
^  Call: (185) [user] classify_and_convert_charseq_([=], _960680)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_961632, _961634), once(user:catch(read_from_chars([=], _960680), _961614, fail)), '$restore_trace'(_961632, _961634))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_961632, _961634))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _961614, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _914952=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _973760)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _975618)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _985212)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _987916)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1004850)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1010420)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1012278)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1028288)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1010420)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1033858)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1049868)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1055438)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1057296)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1073306)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _1055438)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1090948)
   Call: (188) [system] peek_char((0x560c892e10d0), _1091882)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1096602, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1097534, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104884)
   Call: (189) [system] peek_char((0x560c892e10d0), _1105818)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1110538, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1104884=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1090948=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1055438)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1119768)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1120720, _1120722), once(user:catch(read_from_chars([r, b], _1119768), _1120702, fail)), '$restore_trace'(_1120720, _1120722))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1120720, _1120722))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1120702, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1055438=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1132848)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1134706)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1150716)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1154506)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1132848=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1010420=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1162800)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1164658)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1174252)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1176956)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1193890)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1199460)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1201318)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1217328)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1199460)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1222898)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1238908)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1244478)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1246336)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1262346)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _1244478)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1279988)
   Call: (189) [system] peek_char((0x560c892e10d0), _1280922)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1279988=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1244478)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1290206)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1291158, _1291160), once(user:catch(read_from_chars([:], _1290206), _1291140, fail)), '$restore_trace'(_1291158, _1291160))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1291158, _1291160))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1291140, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1244478=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1303286)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1305144)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1314738)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1317442)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1334376)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1339946)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1341804)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1357814)
   Exit: (188) [system] get_char((0x560c892e10d0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1339946)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1375456)
   Call: (190) [system] peek_char((0x560c892e10d0), _1376390)
   Exit: (190) [system] peek_char((0x560c892e10d0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1381110, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_1382042, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x560c892e10d0), o)
   Exit: (190) [system] get_char((0x560c892e10d0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1389392)
   Call: (191) [system] peek_char((0x560c892e10d0), _1390326)
   Exit: (191) [system] peek_char((0x560c892e10d0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1395046, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_1395978, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x560c892e10d0), n)
   Exit: (191) [system] get_char((0x560c892e10d0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1403328)
   Call: (192) [system] peek_char((0x560c892e10d0), _1404262)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1408982, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1409914, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1417264)
   Call: (193) [system] peek_char((0x560c892e10d0), _1418198)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1422918, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1423850, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1431200)
   Call: (194) [system] peek_char((0x560c892e10d0), _1432134)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1436854, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1437786, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445136)
   Call: (195) [system] peek_char((0x560c892e10d0), _1446070)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1450790, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1451722, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1459072)
   Call: (196) [system] peek_char((0x560c892e10d0), _1460006)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1464726, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1465658, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1473008)
   Call: (197) [system] peek_char((0x560c892e10d0), _1473942)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1478662, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1479594, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1486944)
   Call: (198) [system] peek_char((0x560c892e10d0), _1487878)
   Exit: (198) [system] peek_char((0x560c892e10d0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1492598, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1493530, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x560c892e10d0), o)
   Exit: (198) [system] get_char((0x560c892e10d0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1500880)
   Call: (199) [system] peek_char((0x560c892e10d0), _1501814)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1506534, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1507466, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1514816)
   Call: (200) [system] peek_char((0x560c892e10d0), _1515750)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1520470, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_1521402, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x560c892e10d0), 'E')
   Exit: (200) [system] get_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1528752)
   Call: (201) [system] peek_char((0x560c892e10d0), _1529686)
   Exit: (201) [system] peek_char((0x560c892e10d0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1534406, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1535338, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x560c892e10d0), l)
   Exit: (201) [system] get_char((0x560c892e10d0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1542688)
   Call: (202) [system] peek_char((0x560c892e10d0), _1543622)
   Exit: (202) [system] peek_char((0x560c892e10d0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1548342, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1549274, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x560c892e10d0), i)
   Exit: (202) [system] get_char((0x560c892e10d0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1556624)
   Call: (203) [system] peek_char((0x560c892e10d0), _1557558)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1562278, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1563210, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1570560)
   Call: (204) [system] peek_char((0x560c892e10d0), _1571494)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1576214, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1577146, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1584496)
   Call: (205) [system] peek_char((0x560c892e10d0), _1585430)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1590150, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1591082, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1598432)
   Call: (206) [system] peek_char((0x560c892e10d0), _1599366)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1604086, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1605018, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x560c892e10d0), a)
   Exit: (206) [system] get_char((0x560c892e10d0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1612368)
   Call: (207) [system] peek_char((0x560c892e10d0), _1613302)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1618022, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1618954, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1626304)
   Call: (208) [system] peek_char((0x560c892e10d0), _1627238)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1631958, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1632890, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1640240)
   Call: (209) [system] peek_char((0x560c892e10d0), _1641174)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1645894, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1646826, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1654176)
   Call: (210) [system] peek_char((0x560c892e10d0), _1655110)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1659830, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1660762, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668112)
   Call: (211) [system] peek_char((0x560c892e10d0), _1669046)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1673766, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1674698, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682048)
   Call: (212) [system] peek_char((0x560c892e10d0), _1682982)
   Exit: (212) [system] peek_char((0x560c892e10d0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1687702, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1688634, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x560c892e10d0), e)
   Exit: (212) [system] get_char((0x560c892e10d0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1695984)
   Call: (213) [system] peek_char((0x560c892e10d0), _1696918)
   Exit: (213) [system] peek_char((0x560c892e10d0), f)
^  Call: (213) [user] is_delimiter(f)
   Call: (214) [system] char_type(f, space)
   Fail: (214) [system] char_type(f, space)
   Call: (214) [system] arg(_1701638, v('(', ')', end_of_file), f)
   Fail: (214) [system] arg(_1702570, v('(', ')', end_of_file), f)
^  Fail: (213) [user] is_delimiter(f)
   Call: (213) [system] ')'==f
   Fail: (213) [system] ')'==f
   Call: (213) [system] get_char((0x560c892e10d0), f)
   Exit: (213) [system] get_char((0x560c892e10d0), f)
   Call: (213) [system] f=(\)
   Fail: (213) [system] f=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1709920)
   Call: (214) [system] peek_char((0x560c892e10d0), _1710854)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1715574, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1716506, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1723856)
   Call: (215) [system] peek_char((0x560c892e10d0), _1724790)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1723856=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1709920=[t]
   Exit: (214) [system] [t]=[t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (213) [system] _1695984=[f, t]
   Exit: (213) [system] [f, t]=[f, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [f, t])
   Call: (212) [system] _1682048=[e, f, t]
   Exit: (212) [system] [e, f, t]=[e, f, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, f, t])
   Call: (211) [system] _1668112=['L', e, f, t]
   Exit: (211) [system] ['L', e, f, t]=['L', e, f, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', e, f, t])
   Call: (210) [system] _1654176=[n, 'L', e, f, t]
   Exit: (210) [system] [n, 'L', e, f, t]=[n, 'L', e, f, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'L', e, f, t])
   Call: (209) [system] _1640240=[o, n, 'L', e, f, t]
   Exit: (209) [system] [o, n, 'L', e, f, t]=[o, n, 'L', e, f, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'L', e, f, t])
   Call: (208) [system] _1626304=[i, o, n, 'L', e, f, t]
   Exit: (208) [system] [i, o, n, 'L', e, f, t]=[i, o, n, 'L', e, f, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'L', e, f, t])
   Call: (207) [system] _1612368=[t, i, o, n, 'L', e, f, t]
   Exit: (207) [system] [t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'L', e, f, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'L', e, f, t])
   Call: (206) [system] _1598432=[a, t, i, o, n, 'L', e, f, t]
   Exit: (206) [system] [a, t, i, o, n, 'L', e, f, t]=[a, t, i, o, n, 'L', e, f, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'L', e, f, t])
   Call: (205) [system] _1584496=[n, a, t, i, o, n, 'L', e, f, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'L', e, f, t]=[n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, a, t, i, o, n, 'L', e, f, t])
   Call: (204) [system] _1570560=[i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'L', e, f, t]=[i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (203) [system] _1556624=[m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'L', e, f, t]=[m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (202) [system] _1542688=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (201) [system] _1528752=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (200) [system] _1514816=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (199) [system] _1500880=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (198) [system] _1486944=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (197) [system] _1473008=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (196) [system] _1459072=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (195) [system] _1445136=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (194) [system] _1431200=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (193) [system] _1417264=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (192) [system] _1403328=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (191) [system] _1389392=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (190) [system] _1375456=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1339946)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1803924)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1804876, _1804878), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1803924), _1804858, fail)), '$restore_trace'(_1804876, _1804878))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1804876, _1804878))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1803924), _1804858, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1803924)
   Fail: (191) [system] atomic(_1803924)
   Call: (191) [system] atom_chars(_1803924, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationLeft', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
   Call: (190) [system] integer('ConjunctionEliminationLeft')
   Fail: (190) [system] integer('ConjunctionEliminationLeft')
   Call: (190) [system] _1339946='ConjunctionEliminationLeft'
   Exit: (190) [system] 'ConjunctionEliminationLeft'='ConjunctionEliminationLeft'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionEliminationLeft')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionEliminationLeft')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1818874)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1820732)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1830326)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1833030)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1849964)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1855534)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1857392)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1873402)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1855534)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1878972)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1894982)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1900552)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1902410)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1918420)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _1900552)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1936062)
   Call: (193) [system] peek_char((0x560c892e10d0), _1936996)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1941716, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1942648, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1949998)
   Call: (194) [system] peek_char((0x560c892e10d0), _1950932)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1949998=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1936062=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1900552)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1963010)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1963962, _1963964), once(user:catch(read_from_chars([-, >], _1963010), _1963944, fail)), '$restore_trace'(_1963962, _1963964))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1963962, _1963964))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1963944, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1900552=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1976090)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1977948)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1987542)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1990246)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2007180)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _2012750)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2014608)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2030618)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2012750)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2036188)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2052198)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _2057768)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2059626)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _2075636)
   Exit: (194) [system] get_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2057768)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _2093278)
   Call: (196) [system] peek_char((0x560c892e10d0), _2094212)
   Exit: (196) [system] peek_char((0x560c892e10d0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_5332, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_6264, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x560c892e10d0), n)
   Exit: (196) [system] get_char((0x560c892e10d0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _13614)
   Call: (197) [system] peek_char((0x560c892e10d0), _14548)
   Exit: (197) [system] peek_char((0x560c892e10d0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_19268, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_20200, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x560c892e10d0), d)
   Exit: (197) [system] get_char((0x560c892e10d0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _27550)
   Call: (198) [system] peek_char((0x560c892e10d0), _28484)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_33204, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_34136, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x560c892e10d0), 'L')
   Exit: (198) [system] get_char((0x560c892e10d0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _41486)
   Call: (199) [system] peek_char((0x560c892e10d0), _42420)
   Exit: (199) [system] peek_char((0x560c892e10d0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_47140, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_48072, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x560c892e10d0), i)
   Exit: (199) [system] get_char((0x560c892e10d0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _55422)
   Call: (200) [system] peek_char((0x560c892e10d0), _56356)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_61076, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_62008, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _69358)
   Call: (201) [system] peek_char((0x560c892e10d0), _70292)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_75012, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_75944, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _83294)
   Call: (202) [system] peek_char((0x560c892e10d0), _84228)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _83294=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (201) [system] _69358=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (200) [system] _55422=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (199) [system] _41486=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (198) [system] _27550=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (197) [system] _13614=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (196) [system] _3418=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3414)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _110276)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_111228, _111230), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110276), _111210, fail)), '$restore_trace'(_111228, _111230))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_111228, _111230))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110276), _111210, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_110276)
   Fail: (197) [system] atomic(_110276)
   Call: (197) [system] atom_chars(_110276, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _3414='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _125226)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _127084)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _136678)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _139382)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _156316)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _161886)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _163744)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _179754)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _161886)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _197396)
   Call: (197) [system] peek_char((0x560c892e10d0), _198330)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_203050, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_203982, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _211332)
   Call: (198) [system] peek_char((0x560c892e10d0), _212266)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _211332=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _197396=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _161886)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _224344)
   Call: (198) [system] atom_chars(_225276, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _161886=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _234568)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _236426)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _246020)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _248724)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _265658)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _271228)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _273086)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _289096)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _271228)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _306738)
   Call: (198) [system] peek_char((0x560c892e10d0), _307672)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_312392, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_313324, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _320674)
   Call: (199) [system] peek_char((0x560c892e10d0), _321608)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_326328, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _320674=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _306738=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _271228)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _335558)
   Call: (199) [system] atom_chars(_336490, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _271228=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _345782)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _347640)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _363650)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _367440)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _345782=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _234568=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _125226=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _3408=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _381322)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _383180)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _392774)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _395478)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _412412)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _417982)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _419840)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _435850)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _417982)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _453492)
   Call: (195) [system] peek_char((0x560c892e10d0), _454426)
   Exit: (195) [system] peek_char((0x560c892e10d0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_459146, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_460078, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x560c892e10d0), p)
   Exit: (195) [system] get_char((0x560c892e10d0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _467428)
   Call: (196) [system] peek_char((0x560c892e10d0), _468362)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_473082, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _467428=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _453492=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _417982)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _482312)
   Call: (196) [system] atom_chars(_483244, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _417982=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _492536)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _494394)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _510404)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _514194)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _492536=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _381322=[_p]
   Exit: (192) [system] [_p]=[_p]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_p])
   Call: (191) [system] _3404=[['AndLink', _p, _q], _p]
   Exit: (191) [system] [['AndLink', _p, _q], _p]=[['AndLink', _p, _q], _p]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['AndLink', _p, _q], _p])
   Call: (190) [system] _3396=[->, ['AndLink', _p, _q], _p]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _p]=[->, ['AndLink', _p, _q], _p]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['AndLink', _p, _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['AndLink', _p, _q], _p])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _528076)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _529934)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _545944)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _549734)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _528076=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[[->, ['AndLink', _p, _q], _p]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _p]]=[[->, ['AndLink', _p, _q], _p]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['AndLink', _p, _q], _p]])
   Call: (187) [system] _3386=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (187) [system] ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (186) [system] [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _563616)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _565474)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _581484)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _585274)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _563616=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]), assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_603792, _603794, _603796, _603798, _603800))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _606628))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _606628)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), _606628)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609444))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609444))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609444)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _612244))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _612244)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), _612244)
   Call: (187) [system] var('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] atom('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==true
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==false
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==[_618764, _618770]
   Call: (187) [system] is_list('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] string('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), _623398, _623400)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Trinary rule", 66, 0], _627140)
   Call: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], _627140, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Trinary rule", _629020)
   Call: (190) [system] var(";; Trinary rule")
   Call: (190) [system] atom(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"==true
   Call: (190) [system] ";; Trinary rule"==false
   Call: (190) [system] ";; Trinary rule"==[_633662, _633668]
   Call: (190) [system] is_list(";; Trinary rule")
   Call: (190) [system] string(";; Trinary rule")
   Exit: (190) [system] string(";; Trinary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Trinary rule")
^  Call: (190) [user] symbol(";; Trinary rule")
   Call: (191) [system] atom(";; Trinary rule")
   Fail: (191) [system] atom(";; Trinary rule")
^  Fail: (190) [user] symbol(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"=_629020
   Exit: (190) [system] ";; Trinary rule"=";; Trinary rule"
^  Exit: (189) [user] mfix_vars1(";; Trinary rule", ";; Trinary rule")
   Call: (189) [apply] apply:maplist_([66, 0], _629022, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(66, _647542)
   Call: (191) [system] var(66)
   Call: (191) [system] atom(66)
   Call: (191) [system] 66==true
   Call: (191) [system] 66==false
   Call: (191) [system] 66==[_652184, _652190]
   Call: (191) [system] is_list(66)
   Call: (191) [system] string(66)
   Call: (191) [system] compound(66)
^  Call: (191) [user] symbol(66)
   Call: (192) [system] atom(66)
   Fail: (192) [system] atom(66)
^  Fail: (191) [user] symbol(66)
   Call: (191) [system] 66=_647542
   Exit: (191) [system] 66=66
^  Exit: (190) [user] mfix_vars1(66, 66)
   Call: (190) [apply] apply:maplist_([0], _647544, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _663308)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_667950, _667956]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_663308
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _663310, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([66, 0], [66, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0])
   Call: (187) [system] compound_name_arguments(_612244, '$COMMENT', [";; Trinary rule", 66, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692126))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692126))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692126)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _694926))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _694926)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), _694926)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _606628))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _606628))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _606628)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _708884))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _708884)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), _708884)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (178) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1729639320_140374, 113)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639330.2580707)
   Call: (173) [system] arg(1, t(1729639329.685125), _3148)
   Exit: (173) [system] arg(1, t(1729639329.685125), 1729639329.685125)
   Call: (173) [system] _3158 is 1729639330.2580707-1729639329.685125
   Exit: (173) [system] 0.5729455947875977 is 1729639330.2580707-1729639329.685125
   Call: (173) [system] 0.5729455947875977>4
   Fail: (173) [system] 0.5729455947875977>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 22)
   Call: (175) [system] atom(22+1)
   Call: (175) [system] set_flag(translated_forms, 23)
   Exit: (175) [system] set_flag(translated_forms, 23)
   Exit: (174) [$syspreds] update_flag(translated_forms, 22, 22+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 22, 22+1))
   Exit: (171) [$syspreds] flag(translated_forms, 22, 22+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1729639320_140374, 113)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1729639320_140374, 113)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 22, 22+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1729639320_140374, 113)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 114)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 114))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 114))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _783668)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _791090)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _799428)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _802214=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _804082, _804084, _804086, _804088), read_sexpr((0x560c892e10d0), _804100), assertz(metta_file_comment(_804082, _804084, _804086, _804100, _804088))))
^  Call: (179) [user] read_position((0x560c892e10d0), _804082, _804084, _804086, _804088)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_804088))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_804088))
   Exit: (181) [system] nonvar(position(_804088))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4704, 115, 0, 4704)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), _804082)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _814340)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), _804082)
   Exit: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), 115)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), 115)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), _804084)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _821774)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), _804084)
   Exit: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), _804086)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _829208)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), _804086)
   Exit: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), 4704)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), 4704)
^  Exit: (179) [user] read_position((0x560c892e10d0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _804100)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _804100)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _839434)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _855444)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _804100)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _861014)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _877024)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _882594)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _884452)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _900462)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _882594)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _918104)
   Call: (185) [system] peek_char((0x560c892e10d0), _919038)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _918104=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _882594)
^  Call: (185) [user] classify_and_convert_charseq_([=], _928322)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_929274, _929276), once(user:catch(read_from_chars([=], _928322), _929256, fail)), '$restore_trace'(_929274, _929276))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_929274, _929276))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _929256, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _882594=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _941402)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _943260)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _952854)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _955558)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _972492)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _978062)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _979920)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _995930)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _978062)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1001500)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1017510)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1023080)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1024938)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1040948)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _1023080)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1058590)
   Call: (188) [system] peek_char((0x560c892e10d0), _1059524)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1064244, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1065176, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1072526)
   Call: (189) [system] peek_char((0x560c892e10d0), _1073460)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1078180, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1072526=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1058590=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1023080)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1087410)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1088362, _1088364), once(user:catch(read_from_chars([r, b], _1087410), _1088344, fail)), '$restore_trace'(_1088362, _1088364))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1088362, _1088364))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1088344, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1023080=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1100490)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1102348)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1118358)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _1122148)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1100490=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _978062=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _1130442)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1132300)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _1141894)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1144598)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1161532)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _1167102)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1168960)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _1184970)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1167102)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1190540)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1206550)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1212120)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1213978)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1229988)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _1212120)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1247630)
   Call: (189) [system] peek_char((0x560c892e10d0), _1248564)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1247630=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1212120)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1257848)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1258800, _1258802), once(user:catch(read_from_chars([:], _1257848), _1258782, fail)), '$restore_trace'(_1258800, _1258802))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1258800, _1258802))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1258782, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1212120=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1270928)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1272786)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _1282380)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1285084)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1302018)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1307588)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1309446)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1325456)
   Exit: (188) [system] get_char((0x560c892e10d0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1307588)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1343098)
   Call: (190) [system] peek_char((0x560c892e10d0), _1344032)
   Exit: (190) [system] peek_char((0x560c892e10d0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1348752, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_1349684, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x560c892e10d0), o)
   Exit: (190) [system] get_char((0x560c892e10d0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1357034)
   Call: (191) [system] peek_char((0x560c892e10d0), _1357968)
   Exit: (191) [system] peek_char((0x560c892e10d0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1362688, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_1363620, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x560c892e10d0), n)
   Exit: (191) [system] get_char((0x560c892e10d0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1370970)
   Call: (192) [system] peek_char((0x560c892e10d0), _1371904)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1376624, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1377556, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1384906)
   Call: (193) [system] peek_char((0x560c892e10d0), _1385840)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1390560, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1391492, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1398842)
   Call: (194) [system] peek_char((0x560c892e10d0), _1399776)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1404496, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1405428, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1412778)
   Call: (195) [system] peek_char((0x560c892e10d0), _1413712)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1418432, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1419364, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1426714)
   Call: (196) [system] peek_char((0x560c892e10d0), _1427648)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1432368, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1433300, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1440650)
   Call: (197) [system] peek_char((0x560c892e10d0), _1441584)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1446304, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1447236, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1454586)
   Call: (198) [system] peek_char((0x560c892e10d0), _1455520)
   Exit: (198) [system] peek_char((0x560c892e10d0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1460240, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1461172, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x560c892e10d0), o)
   Exit: (198) [system] get_char((0x560c892e10d0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1468522)
   Call: (199) [system] peek_char((0x560c892e10d0), _1469456)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1474176, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1475108, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1482458)
   Call: (200) [system] peek_char((0x560c892e10d0), _1483392)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1488112, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_1489044, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x560c892e10d0), 'E')
   Exit: (200) [system] get_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1496394)
   Call: (201) [system] peek_char((0x560c892e10d0), _1497328)
   Exit: (201) [system] peek_char((0x560c892e10d0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1502048, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1502980, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x560c892e10d0), l)
   Exit: (201) [system] get_char((0x560c892e10d0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1510330)
   Call: (202) [system] peek_char((0x560c892e10d0), _1511264)
   Exit: (202) [system] peek_char((0x560c892e10d0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1515984, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1516916, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x560c892e10d0), i)
   Exit: (202) [system] get_char((0x560c892e10d0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1524266)
   Call: (203) [system] peek_char((0x560c892e10d0), _1525200)
   Exit: (203) [system] peek_char((0x560c892e10d0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1529920, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1530852, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x560c892e10d0), m)
   Exit: (203) [system] get_char((0x560c892e10d0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1538202)
   Call: (204) [system] peek_char((0x560c892e10d0), _1539136)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1543856, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1544788, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1552138)
   Call: (205) [system] peek_char((0x560c892e10d0), _1553072)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1557792, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1558724, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1566074)
   Call: (206) [system] peek_char((0x560c892e10d0), _1567008)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1571728, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1572660, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x560c892e10d0), a)
   Exit: (206) [system] get_char((0x560c892e10d0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1580010)
   Call: (207) [system] peek_char((0x560c892e10d0), _1580944)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1585664, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1586596, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1593946)
   Call: (208) [system] peek_char((0x560c892e10d0), _1594880)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1599600, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1600532, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1607882)
   Call: (209) [system] peek_char((0x560c892e10d0), _1608816)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1613536, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1614468, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1621818)
   Call: (210) [system] peek_char((0x560c892e10d0), _1622752)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1627472, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1628404, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1635754)
   Call: (211) [system] peek_char((0x560c892e10d0), _1636688)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'R')
^  Call: (211) [user] is_delimiter('R')
   Call: (212) [system] char_type('R', space)
   Fail: (212) [system] char_type('R', space)
   Call: (212) [system] arg(_1641408, v('(', ')', end_of_file), 'R')
   Fail: (212) [system] arg(_1642340, v('(', ')', end_of_file), 'R')
^  Fail: (211) [user] is_delimiter('R')
   Call: (211) [system] ')'=='R'
   Fail: (211) [system] ')'=='R'
   Call: (211) [system] get_char((0x560c892e10d0), 'R')
   Exit: (211) [system] get_char((0x560c892e10d0), 'R')
   Call: (211) [system] 'R'=(\)
   Fail: (211) [system] 'R'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1649690)
   Call: (212) [system] peek_char((0x560c892e10d0), _1650624)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1655344, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1656276, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1663626)
   Call: (213) [system] peek_char((0x560c892e10d0), _1664560)
   Exit: (213) [system] peek_char((0x560c892e10d0), g)
^  Call: (213) [user] is_delimiter(g)
   Call: (214) [system] char_type(g, space)
   Fail: (214) [system] char_type(g, space)
   Call: (214) [system] arg(_1669280, v('(', ')', end_of_file), g)
   Fail: (214) [system] arg(_1670212, v('(', ')', end_of_file), g)
^  Fail: (213) [user] is_delimiter(g)
   Call: (213) [system] ')'==g
   Fail: (213) [system] ')'==g
   Call: (213) [system] get_char((0x560c892e10d0), g)
   Exit: (213) [system] get_char((0x560c892e10d0), g)
   Call: (213) [system] g=(\)
   Fail: (213) [system] g=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677562)
   Call: (214) [system] peek_char((0x560c892e10d0), _1678496)
   Exit: (214) [system] peek_char((0x560c892e10d0), h)
^  Call: (214) [user] is_delimiter(h)
   Call: (215) [system] char_type(h, space)
   Fail: (215) [system] char_type(h, space)
   Call: (215) [system] arg(_1683216, v('(', ')', end_of_file), h)
   Fail: (215) [system] arg(_1684148, v('(', ')', end_of_file), h)
^  Fail: (214) [user] is_delimiter(h)
   Call: (214) [system] ')'==h
   Fail: (214) [system] ')'==h
   Call: (214) [system] get_char((0x560c892e10d0), h)
   Exit: (214) [system] get_char((0x560c892e10d0), h)
   Call: (214) [system] h=(\)
   Fail: (214) [system] h=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1691498)
   Call: (215) [system] peek_char((0x560c892e10d0), _1692432)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1697152, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1698084, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705434)
   Call: (216) [system] peek_char((0x560c892e10d0), _1706368)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1705434=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1691498=[t]
   Exit: (215) [system] [t]=[t]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (214) [system] _1677562=[h, t]
   Exit: (214) [system] [h, t]=[h, t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, t])
   Call: (213) [system] _1663626=[g, h, t]
   Exit: (213) [system] [g, h, t]=[g, h, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [g, h, t])
   Call: (212) [system] _1649690=[i, g, h, t]
   Exit: (212) [system] [i, g, h, t]=[i, g, h, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, g, h, t])
   Call: (211) [system] _1635754=['R', i, g, h, t]
   Exit: (211) [system] ['R', i, g, h, t]=['R', i, g, h, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['R', i, g, h, t])
   Call: (210) [system] _1621818=[n, 'R', i, g, h, t]
   Exit: (210) [system] [n, 'R', i, g, h, t]=[n, 'R', i, g, h, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'R', i, g, h, t])
   Call: (209) [system] _1607882=[o, n, 'R', i, g, h, t]
   Exit: (209) [system] [o, n, 'R', i, g, h, t]=[o, n, 'R', i, g, h, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'R', i, g, h, t])
   Call: (208) [system] _1593946=[i, o, n, 'R', i, g, h, t]
   Exit: (208) [system] [i, o, n, 'R', i, g, h, t]=[i, o, n, 'R', i, g, h, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'R', i, g, h, t])
   Call: (207) [system] _1580010=[t, i, o, n, 'R', i, g, h, t]
   Exit: (207) [system] [t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'R', i, g, h, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'R', i, g, h, t])
   Call: (206) [system] _1566074=[a, t, i, o, n, 'R', i, g, h, t]
   Exit: (206) [system] [a, t, i, o, n, 'R', i, g, h, t]=[a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n, 'R', i, g, h, t])
   Call: (205) [system] _1552138=[n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'R', i, g, h, t]=[n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (204) [system] _1538202=[i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (203) [system] _1524266=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (202) [system] _1510330=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (201) [system] _1496394=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (200) [system] _1482458=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (199) [system] _1468522=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (198) [system] _1454586=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (197) [system] _1440650=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (196) [system] _1426714=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (195) [system] _1412778=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (194) [system] _1398842=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (193) [system] _1384906=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (192) [system] _1370970=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (191) [system] _1357034=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (190) [system] _1343098=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1307588)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788296)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1789248, _1789250), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788296), _1789230, fail)), '$restore_trace'(_1789248, _1789250))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1789248, _1789250))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788296), _1789230, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1788296)
   Fail: (191) [system] atomic(_1788296)
   Call: (191) [system] atom_chars(_1788296, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationRight', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
   Call: (190) [system] integer('ConjunctionEliminationRight')
   Fail: (190) [system] integer('ConjunctionEliminationRight')
   Call: (190) [system] _1307588='ConjunctionEliminationRight'
   Exit: (190) [system] 'ConjunctionEliminationRight'='ConjunctionEliminationRight'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionEliminationRight')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionEliminationRight')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1803246)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1805104)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1814698)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1817402)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1834336)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1839906)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1841764)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1857774)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1839906)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1863344)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1879354)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1884924)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1886782)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1902792)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _1884924)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1920434)
   Call: (193) [system] peek_char((0x560c892e10d0), _1921368)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1926088, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1927020, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1934370)
   Call: (194) [system] peek_char((0x560c892e10d0), _1935304)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1934370=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1920434=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1884924)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1947382)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1948334, _1948336), once(user:catch(read_from_chars([-, >], _1947382), _1948316, fail)), '$restore_trace'(_1948334, _1948336))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1948334, _1948336))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1948316, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1884924=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1960462)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1962320)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1971914)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1974618)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1991552)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1997122)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1998980)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2014990)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1997122)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2020560)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2036570)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _2042140)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2043998)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _2060008)
   Exit: (194) [system] get_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2042140)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _2077650)
   Call: (196) [system] peek_char((0x560c892e10d0), _2078584)
   Exit: (196) [system] peek_char((0x560c892e10d0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_2083304, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_2084236, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x560c892e10d0), n)
   Exit: (196) [system] get_char((0x560c892e10d0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _2091586)
   Call: (197) [system] peek_char((0x560c892e10d0), _2092520)
   Exit: (197) [system] peek_char((0x560c892e10d0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_3862, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_4794, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x560c892e10d0), d)
   Exit: (197) [system] get_char((0x560c892e10d0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _12144)
   Call: (198) [system] peek_char((0x560c892e10d0), _13078)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_17798, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_18730, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x560c892e10d0), 'L')
   Exit: (198) [system] get_char((0x560c892e10d0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _26080)
   Call: (199) [system] peek_char((0x560c892e10d0), _27014)
   Exit: (199) [system] peek_char((0x560c892e10d0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_31734, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_32666, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x560c892e10d0), i)
   Exit: (199) [system] get_char((0x560c892e10d0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _40016)
   Call: (200) [system] peek_char((0x560c892e10d0), _40950)
   Exit: (200) [system] peek_char((0x560c892e10d0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_45670, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_46602, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x560c892e10d0), n)
   Exit: (200) [system] get_char((0x560c892e10d0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _53952)
   Call: (201) [system] peek_char((0x560c892e10d0), _54886)
   Exit: (201) [system] peek_char((0x560c892e10d0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_59606, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_60538, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x560c892e10d0), k)
   Exit: (201) [system] get_char((0x560c892e10d0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _67888)
   Call: (202) [system] peek_char((0x560c892e10d0), _68822)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _67888=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (201) [system] _53952=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (200) [system] _40016=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (199) [system] _26080=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (198) [system] _12144=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (197) [system] _3422=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (196) [system] _3418=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3414)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _94870)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_95822, _95824), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _94870), _95804, fail)), '$restore_trace'(_95822, _95824))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_95822, _95824))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _94870), _95804, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_94870)
   Fail: (197) [system] atomic(_94870)
   Call: (197) [system] atom_chars(_94870, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _3414='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _109820)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _111678)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _121272)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _123976)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _140910)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _146480)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _148338)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _164348)
   Exit: (195) [system] get_char((0x560c892e10d0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _146480)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _181990)
   Call: (197) [system] peek_char((0x560c892e10d0), _182924)
   Exit: (197) [system] peek_char((0x560c892e10d0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_187644, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_188576, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x560c892e10d0), p)
   Exit: (197) [system] get_char((0x560c892e10d0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _195926)
   Call: (198) [system] peek_char((0x560c892e10d0), _196860)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _195926=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _181990=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _146480)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _208938)
   Call: (198) [system] atom_chars(_209870, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _146480=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _219162)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _221020)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _230614)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _233318)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _250252)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _255822)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _257680)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _273690)
   Exit: (196) [system] get_char((0x560c892e10d0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _255822)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _291332)
   Call: (198) [system] peek_char((0x560c892e10d0), _292266)
   Exit: (198) [system] peek_char((0x560c892e10d0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_296986, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_297918, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x560c892e10d0), q)
   Exit: (198) [system] get_char((0x560c892e10d0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _305268)
   Call: (199) [system] peek_char((0x560c892e10d0), _306202)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_310922, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _305268=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _291332=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _255822)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _320152)
   Call: (199) [system] atom_chars(_321084, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _255822=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _330376)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _332234)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _348244)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _352034)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _330376=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _219162=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (194) [system] _109820=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (193) [system] _3408=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _365916)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _367774)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _377368)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _380072)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _397006)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _402576)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _404434)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _420444)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _402576)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _438086)
   Call: (195) [system] peek_char((0x560c892e10d0), _439020)
   Exit: (195) [system] peek_char((0x560c892e10d0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_443740, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_444672, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x560c892e10d0), q)
   Exit: (195) [system] get_char((0x560c892e10d0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _452022)
   Call: (196) [system] peek_char((0x560c892e10d0), _452956)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_457676, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _452022=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _438086=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _402576)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _466906)
   Call: (196) [system] atom_chars(_467838, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _402576=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _477130)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _478988)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _494998)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _498788)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _477130=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _365916=[_q]
   Exit: (192) [system] [_q]=[_q]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (191) [system] _3404=[['AndLink', _p, _q], _q]
   Exit: (191) [system] [['AndLink', _p, _q], _q]=[['AndLink', _p, _q], _q]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [['AndLink', _p, _q], _q])
   Call: (190) [system] _3396=[->, ['AndLink', _p, _q], _q]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _q]=[->, ['AndLink', _p, _q], _q]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, ['AndLink', _p, _q], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, ['AndLink', _p, _q], _q])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _512670)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _514528)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _530538)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _534328)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _512670=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _3392=[[->, ['AndLink', _p, _q], _q]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _q]]=[[->, ['AndLink', _p, _q], _q]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, ['AndLink', _p, _q], _q]])
   Call: (187) [system] _3386=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (187) [system] ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (186) [system] [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _548210)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _550068)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _566078)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _569868)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _548210=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]), assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_588386, _588388, _588390, _588392, _588394))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _594634))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _594634))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _594634)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597434))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597434)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597434)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _607656)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _607656)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _607656)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==[_614172, _614178]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597434)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597434, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _619752)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _623460, =)
   Call: (191) [system] atom_concat($, _623460, =)
   Fail: (191) [system] atom_concat($, _623460, =)
^  Fail: (190) [user] symbol_concat($, _623460, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_629048, _629054]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _619754, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _638316)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _646660)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _646660)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _646660)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _646660)
   Call: (195) [lists] lists:last_([], ['S', _k], _646660)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_656904, _656910]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _638316)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _638316, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _662484)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _666192, synthesize)
   Call: (195) [system] atom_concat($, _666192, synthesize)
   Fail: (195) [system] atom_concat($, _666192, synthesize)
^  Fail: (194) [user] symbol_concat($, _666192, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_671780, _671786]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _662486, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _681048)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_685690, _685696]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _690324, _690326)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _695918))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _695918))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _695918)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _698718))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _698718)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _698718)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _591818)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _712676))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _712676)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _712676)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 114)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639330.505309)
   Call: (173) [system] arg(1, t(1729639329.685125), _3148)
   Exit: (173) [system] arg(1, t(1729639329.685125), 1729639329.685125)
   Call: (173) [system] _3158 is 1729639330.505309-1729639329.685125
   Exit: (173) [system] 0.8201839923858643 is 1729639330.505309-1729639329.685125
   Call: (173) [system] 0.8201839923858643>4
   Fail: (173) [system] 0.8201839923858643>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 23)
   Call: (175) [system] atom(23+1)
   Call: (175) [system] set_flag(translated_forms, 24)
   Exit: (175) [system] set_flag(translated_forms, 24)
   Exit: (174) [$syspreds] update_flag(translated_forms, 23, 23+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 23, 23+1))
   Exit: (171) [$syspreds] flag(translated_forms, 23, 23+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 114)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _764146, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _764148)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _764148)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _768798)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_768798
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _768800)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _776216)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _783628)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _783628, user:s2t)
^  Call: (178) [user] s2t(synthesize, _785508)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_785508
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _785510, user:s2t)
^  Call: (179) [user] s2t(_query, _791082)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _791082)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _791084, user:s2t)
^  Call: (180) [user] s2t(_kb, _800352)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _800352)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _800354, user:s2t)
^  Call: (181) [user] s2t(_rb, _809622)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _809622)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _809624, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _818892)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _826304)
   Call: (184) [apply] apply:maplist_(['S', _k], _826304, user:s2t)
^  Call: (185) [user] s2t('S', _828184)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_828184
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _828186, user:s2t)
^  Call: (186) [user] s2t(_k, _833758)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _833758)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _833760, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_818892, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _818894, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_776216, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _776218)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _862602)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _870014)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _870014, user:s2t)
^  Call: (179) [user] s2t('let*', _871894)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_871894
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _871896, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _877468)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _884880)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _884880, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _886760)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _894172)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _894172, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _896052)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _903464)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _903464, user:s2t)
^  Call: (189) [user] s2t(:, _905344)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_905344
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _905346, user:s2t)
^  Call: (190) [user] s2t(_ructor, _910918)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _910918)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], _910920, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], _920188)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], _924824)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
^  Call: (193) [user] s2t(_premise1, _927604)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _927604)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _conclusion], _927606)
   Call: (194) [system] compound([_premise2, _premise3, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _conclusion])
^  Call: (194) [user] s2t(_premise2, _938718)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _938718)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _conclusion], _938720)
   Call: (195) [system] compound([_premise3, _conclusion])
   Exit: (195) [system] compound([_premise3, _conclusion])
^  Call: (195) [user] s2t(_premise3, _949832)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _949832)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_conclusion], _949834)
   Call: (196) [system] compound([_conclusion])
   Exit: (196) [system] compound([_conclusion])
^  Call: (196) [user] s2t(_conclusion, _960946)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
   Call: (197) [system] is_list(_conclusion)
^  Call: (197) [user] s2tl(_conclusion, _960946)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
^  Exit: (197) [user] s2tl(_conclusion, _conclusion)
^  Exit: (196) [user] s2t(_conclusion, _conclusion)
^  Call: (196) [user] s2tl([], _960948)
   Call: (197) [system] compound([])
   Call: (197) [system] []=_960948
   Exit: (197) [system] []=[]
^  Exit: (196) [user] s2tl([], [])
^  Exit: (195) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (194) [user] s2tl([_premise3, _conclusion], [_premise3, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _conclusion], [_premise2, _premise3, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], [_premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] _920188=..[->, [_premise1, _premise2, _premise3, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _conclusion])=..[->, [_premise1, _premise2, _premise3, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], ->([_premise1, _premise2, _premise3, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _920190, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], [->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Call: (187) [system] compound_name_arguments(_896052, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _896054, user:s2t)
^  Call: (187) [user] s2t([_rb], _989762)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _997174)
   Call: (189) [apply] apply:maplist_([_rb], _997174, user:s2t)
^  Call: (190) [user] s2t(_rb, _999054)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _999054)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _999056, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_989762, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _989764, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_886760, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _886762, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1022318)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1029730)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1029730, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1031610)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1039022)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1039022, user:s2t)
^  Call: (190) [user] s2t(:, _1040902)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1040902
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], _1040904, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], _1046476)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3], _1053888)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], _1053888, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1055768)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1055768)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], _1055770, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1065038)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1065038)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3], _1065040, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1074308)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1074308)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3], _1074310, user:s2t)
^  Call: (197) [user] s2t(_proof3, _1083578)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _1083578)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([], _1083580, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3], [_proof3], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3], [_proof2, _proof3], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], [_proof1, _proof2, _proof3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] compound_name_arguments(_1046476, t, [_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3), t, [_ructor, _proof1, _proof2, _proof3])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], t(_ructor, _proof1, _proof2, _proof3))
   Call: (191) [apply] apply:maplist_([_conclusion], _1046478, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1102180)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1102180)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1102182, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], [t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Call: (188) [system] compound_name_arguments(_1031610, t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1031612, user:s2t)
^  Call: (188) [user] s2t(_query, _1119848)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1119848)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1119850, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1022318, t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1022320, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1136582)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1143994)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1143994, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1145874)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1153286)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1153286, user:s2t)
^  Call: (191) [user] s2t(:, _1155166)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1155166
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1155168, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1160740)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1160740)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1160742, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1170010)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1170010)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1170012, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1145874, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1145876, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1187678)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1195090)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1195090, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1196970)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1196970
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1196972, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1202544)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1209956)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1209956, user:s2t)
^  Call: (196) [user] s2t(:, _1211836)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1211836
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1211838, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1217410)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1217410)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1217412, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1226680)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1226680)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1226682, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1202544, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1202546, user:s2t)
^  Call: (194) [user] s2t(_kb, _1244348)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1244348)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1244350, user:s2t)
^  Call: (195) [user] s2t(_rb, _1253618)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1253618)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1253620, user:s2t)
^  Call: (196) [user] s2t(_k, _1262888)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1262888)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1262890, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1187678, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1187680, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1136582, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1136584, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1289888)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1297300)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1297300, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1299180)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1306592)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1306592, user:s2t)
^  Call: (192) [user] s2t(:, _1308472)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1308472
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1308474, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1314046)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1314046)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1314048, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1323316)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1323316)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1323318, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1299180, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1299182, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1340984)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1348396)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1348396, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1350276)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1350276
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1350278, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1355850)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1363262)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1363262, user:s2t)
^  Call: (197) [user] s2t(:, _1365142)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1365142
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1365144, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1370716)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1370716)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1370718, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1379986)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1379986)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1379988, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1355850, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1355852, user:s2t)
^  Call: (195) [user] s2t(_kb, _1397654)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1397654)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1397656, user:s2t)
^  Call: (196) [user] s2t(_rb, _1406924)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1406924)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1406926, user:s2t)
^  Call: (197) [user] s2t(_k, _1416194)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1416194)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1416196, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1340984, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1340986, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1289888, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1289890, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1443194)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1450606)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1450606, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1452486)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1459898)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1459898, user:s2t)
^  Call: (193) [user] s2t(:, _1461778)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1461778
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1461780, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1467352)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1467352)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1467354, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1476622)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1476622)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1476624, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1452486, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1452488, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1494290)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1501702)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1501702, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1503582)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1503582
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1503584, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1509156)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1516568)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1516568, user:s2t)
^  Call: (198) [user] s2t(:, _1518448)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1518448
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1518450, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1524022)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1524022)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1524024, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1533292)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1533292)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1533294, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1509156, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1509158, user:s2t)
^  Call: (196) [user] s2t(_kb, _1550960)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1550960)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1550962, user:s2t)
^  Call: (197) [user] s2t(_rb, _1560230)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1560230)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1560232, user:s2t)
^  Call: (198) [user] s2t(_k, _1569500)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1569500)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1569502, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1494290, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1494292, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1443194, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([], _1443196, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_877468, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _877470, user:s2t)
^  Call: (181) [user] s2t(_query, _1606766)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1606766)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1606768, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_862602, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _862604)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_862604
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], _1631856)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1631856=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1637418=..[ynthesize_long_1729639320_140374, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1729639320_140374(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))=..[ynthesize_long_1729639320_140374, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 114)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 23, 23+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 114)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 115)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 115))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 115))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1662610)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1670032)
   Exit: (175) [system] peek_char((0x560c892e10d0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (176) [system] string((0x560c892e10d0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (177) [system] at_end_of_stream((0x560c892e10d0))
   Call: (177) [system] peek_char((0x560c892e10d0), _1678370)
   Exit: (177) [system] peek_char((0x560c892e10d0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1681156=(0x560c892e10d0)
   Exit: (177) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (177) [user] once((read_position((0x560c892e10d0), _1683024, _1683026, _1683028, _1683030), read_sexpr((0x560c892e10d0), _1683042), assertz(metta_file_comment(_1683024, _1683026, _1683028, _1683042, _1683030))))
^  Call: (179) [user] read_position((0x560c892e10d0), _1683024, _1683026, _1683028, _1683030)
   Call: (180) [system] stream_property((0x560c892e10d0), position(_1683030))
   Call: (181) [system] nonvar((0x560c892e10d0))
   Exit: (181) [system] nonvar((0x560c892e10d0))
   Call: (181) [system] nonvar(position(_1683030))
   Exit: (181) [system] nonvar(position(_1683030))
   Exit: (180) [system] stream_property((0x560c892e10d0), position('$stream_position'(4769, 116, 0, 4769)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), _1683024)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1693282)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), _1683024)
   Exit: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), 116)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), 116)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), _1683026)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1700716)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), _1683026)
   Exit: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), _1683028)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1708150)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), _1683028)
   Exit: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), 4769)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), 4769)
^  Exit: (179) [user] read_position((0x560c892e10d0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769))
^  Call: (179) [user] read_sexpr((0x560c892e10d0), _1683042)
   Call: (180) [system] string((0x560c892e10d0))
   Fail: (180) [system] string((0x560c892e10d0))
^  Call: (180) [user] cont_sexpr(')', (0x560c892e10d0), _1683042)
^  Call: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1718376)
   Exit: (182) [system] peek_char((0x560c892e10d0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x560c892e10d0))
   Call: (181) [system] get_char((0x560c892e10d0), _1734386)
   Exit: (181) [system] get_char((0x560c892e10d0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x560c892e10d0), _1683042)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1739956)
   Exit: (183) [system] peek_char((0x560c892e10d0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] peek_char((0x560c892e10d0), _1755966)
   Exit: (182) [system] peek_char((0x560c892e10d0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x560c892e10d0), _1761536)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1763394)
   Exit: (184) [system] peek_char((0x560c892e10d0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] get_char((0x560c892e10d0), _1779404)
   Exit: (183) [system] get_char((0x560c892e10d0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x560c892e10d0), =, _1761536)
^  Call: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), _1797046)
   Call: (185) [system] peek_char((0x560c892e10d0), _1797980)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1797046=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1761536)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1807264)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1808216, _1808218), once(user:catch(read_from_chars([=], _1807264), _1808198, fail)), '$restore_trace'(_1808216, _1808218))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1808216, _1808218))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1808198, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1761536=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x560c892e10d0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x560c892e10d0), =)
^  Call: (182) [user] read_list(')', (0x560c892e10d0), _1820344)
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _1822202)
   Exit: (184) [system] peek_char((0x560c892e10d0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x560c892e10d0), _1831796)
   Exit: (184) [system] get_char((0x560c892e10d0), ' ')
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1834500)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1851434)
   Exit: (183) [system] peek_char((0x560c892e10d0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1857004)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1858862)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1874872)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1857004)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1880442)
   Exit: (186) [system] peek_char((0x560c892e10d0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1896452)
   Exit: (185) [system] peek_char((0x560c892e10d0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1902022)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1903880)
   Exit: (187) [system] peek_char((0x560c892e10d0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1919890)
   Exit: (186) [system] get_char((0x560c892e10d0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), r, _1902022)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1937532)
   Call: (188) [system] peek_char((0x560c892e10d0), _1938466)
   Exit: (188) [system] peek_char((0x560c892e10d0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1943186, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1944118, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x560c892e10d0), b)
   Exit: (188) [system] get_char((0x560c892e10d0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1951468)
   Call: (189) [system] peek_char((0x560c892e10d0), _1952402)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1957122, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1951468=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (188) [system] _1937532=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1902022)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1966352)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1967304, _1967306), once(user:catch(read_from_chars([r, b], _1966352), _1967286, fail)), '$restore_trace'(_1967304, _1967306))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1967304, _1967306))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1967286, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1902022=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _1979432)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1981290)
   Exit: (187) [system] peek_char((0x560c892e10d0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1997300)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x560c892e10d0), _2001090)
   Exit: (186) [system] get_char((0x560c892e10d0), ')')
   Call: (186) [system] _1979432=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [])
   Call: (185) [system] _1857004=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [rb])
^  Call: (183) [user] read_list(')', (0x560c892e10d0), _2009384)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _2011242)
   Exit: (185) [system] peek_char((0x560c892e10d0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x560c892e10d0), _2020836)
   Exit: (185) [system] get_char((0x560c892e10d0), ' ')
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2023540)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _2040474)
   Exit: (184) [system] peek_char((0x560c892e10d0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x560c892e10d0), _2046044)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2047902)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] get_char((0x560c892e10d0), _2063912)
   Exit: (185) [system] get_char((0x560c892e10d0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _2046044)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _2069482)
   Exit: (187) [system] peek_char((0x560c892e10d0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2085492)
   Exit: (186) [system] peek_char((0x560c892e10d0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _2091062)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2092920)
   Exit: (188) [system] peek_char((0x560c892e10d0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _15504)
   Exit: (187) [system] get_char((0x560c892e10d0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x560c892e10d0), :, _3384)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _33146)
   Call: (189) [system] peek_char((0x560c892e10d0), _34080)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _33146=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _3384)
^  Call: (189) [user] classify_and_convert_charseq_([:], _43364)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_44316, _44318), once(user:catch(read_from_chars([:], _43364), _44298, fail)), '$restore_trace'(_44316, _44318))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_44316, _44318))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _44298, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _3384=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _56444)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _58302)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _67896)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _70600)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _87534)
   Exit: (187) [system] peek_char((0x560c892e10d0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _93104)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _94962)
   Exit: (189) [system] peek_char((0x560c892e10d0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _110972)
   Exit: (188) [system] get_char((0x560c892e10d0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', _93104)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _128614)
   Call: (190) [system] peek_char((0x560c892e10d0), _129548)
   Exit: (190) [system] peek_char((0x560c892e10d0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_134268, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_135200, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x560c892e10d0), i)
   Exit: (190) [system] get_char((0x560c892e10d0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _142550)
   Call: (191) [system] peek_char((0x560c892e10d0), _143484)
   Exit: (191) [system] peek_char((0x560c892e10d0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_148204, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_149136, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x560c892e10d0), s)
   Exit: (191) [system] get_char((0x560c892e10d0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _156486)
   Call: (192) [system] peek_char((0x560c892e10d0), _157420)
   Exit: (192) [system] peek_char((0x560c892e10d0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_162140, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_163072, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x560c892e10d0), j)
   Exit: (192) [system] get_char((0x560c892e10d0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _170422)
   Call: (193) [system] peek_char((0x560c892e10d0), _171356)
   Exit: (193) [system] peek_char((0x560c892e10d0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_176076, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_177008, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x560c892e10d0), u)
   Exit: (193) [system] get_char((0x560c892e10d0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _184358)
   Call: (194) [system] peek_char((0x560c892e10d0), _185292)
   Exit: (194) [system] peek_char((0x560c892e10d0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_190012, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_190944, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x560c892e10d0), n)
   Exit: (194) [system] get_char((0x560c892e10d0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _198294)
   Call: (195) [system] peek_char((0x560c892e10d0), _199228)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_203948, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_204880, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x560c892e10d0), c)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _212230)
   Call: (196) [system] peek_char((0x560c892e10d0), _213164)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_217884, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_218816, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _226166)
   Call: (197) [system] peek_char((0x560c892e10d0), _227100)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_231820, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_232752, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _240102)
   Call: (198) [system] peek_char((0x560c892e10d0), _241036)
   Exit: (198) [system] peek_char((0x560c892e10d0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_245756, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_246688, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x560c892e10d0), o)
   Exit: (198) [system] get_char((0x560c892e10d0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _254038)
   Call: (199) [system] peek_char((0x560c892e10d0), _254972)
   Exit: (199) [system] peek_char((0x560c892e10d0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_259692, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_260624, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x560c892e10d0), n)
   Exit: (199) [system] get_char((0x560c892e10d0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _267974)
   Call: (200) [system] peek_char((0x560c892e10d0), _268908)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_273628, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_274560, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x560c892e10d0), 'I')
   Exit: (200) [system] get_char((0x560c892e10d0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _281910)
   Call: (201) [system] peek_char((0x560c892e10d0), _282844)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_287564, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_288496, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _295846)
   Call: (202) [system] peek_char((0x560c892e10d0), _296780)
   Exit: (202) [system] peek_char((0x560c892e10d0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_301500, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_302432, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x560c892e10d0), t)
   Exit: (202) [system] get_char((0x560c892e10d0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _309782)
   Call: (203) [system] peek_char((0x560c892e10d0), _310716)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_315436, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_316368, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _323718)
   Call: (204) [system] peek_char((0x560c892e10d0), _324652)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_329372, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_330304, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _337654)
   Call: (205) [system] peek_char((0x560c892e10d0), _338588)
   Exit: (205) [system] peek_char((0x560c892e10d0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_343308, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_344240, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x560c892e10d0), d)
   Exit: (205) [system] get_char((0x560c892e10d0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _351590)
   Call: (206) [system] peek_char((0x560c892e10d0), _352524)
   Exit: (206) [system] peek_char((0x560c892e10d0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_357244, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_358176, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x560c892e10d0), u)
   Exit: (206) [system] get_char((0x560c892e10d0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _365526)
   Call: (207) [system] peek_char((0x560c892e10d0), _366460)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_371180, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_372112, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _379462)
   Call: (208) [system] peek_char((0x560c892e10d0), _380396)
   Exit: (208) [system] peek_char((0x560c892e10d0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_385116, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_386048, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x560c892e10d0), t)
   Exit: (208) [system] get_char((0x560c892e10d0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _393398)
   Call: (209) [system] peek_char((0x560c892e10d0), _394332)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_399052, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_399984, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _407334)
   Call: (210) [system] peek_char((0x560c892e10d0), _408268)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_412988, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_413920, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _421270)
   Call: (211) [system] peek_char((0x560c892e10d0), _422204)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_426924, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_427856, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _435206)
   Call: (212) [system] peek_char((0x560c892e10d0), _436140)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _435206=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _421270=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (210) [system] _407334=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (209) [system] _393398=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (208) [system] _379462=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (207) [system] _365526=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (206) [system] _351590=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (205) [system] _337654=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (204) [system] _323718=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _309782=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _295846=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _281910=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _267974=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _254038=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _240102=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _226166=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _212230=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _198294=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _184358=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _170422=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _156486=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _142550=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _128614=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _93104)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506892)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_507844, _507846), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506892), _507826, fail)), '$restore_trace'(_507844, _507846))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_507844, _507846))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506892), _507826, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_506892)
   Fail: (191) [system] atomic(_506892)
   Call: (191) [system] atom_chars(_506892, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (190) [system] integer('DisjunctionIntroduction')
   Fail: (190) [system] integer('DisjunctionIntroduction')
   Call: (190) [system] _93104='DisjunctionIntroduction'
   Exit: (190) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _521842)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _523700)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _533294)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _535998)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _552932)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _558502)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _560360)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _576370)
   Exit: (189) [system] get_char((0x560c892e10d0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _558502)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _581940)
   Exit: (191) [system] peek_char((0x560c892e10d0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _597950)
   Exit: (190) [system] peek_char((0x560c892e10d0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _603520)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _605378)
   Exit: (192) [system] peek_char((0x560c892e10d0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _621388)
   Exit: (191) [system] get_char((0x560c892e10d0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), -, _603520)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _639030)
   Call: (193) [system] peek_char((0x560c892e10d0), _639964)
   Exit: (193) [system] peek_char((0x560c892e10d0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_644684, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_645616, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x560c892e10d0), >)
   Exit: (193) [system] get_char((0x560c892e10d0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _652966)
   Call: (194) [system] peek_char((0x560c892e10d0), _653900)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _652966=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _639030=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _603520)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _665978)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_666930, _666932), once(user:catch(read_from_chars([-, >], _665978), _666912, fail)), '$restore_trace'(_666930, _666932))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_666930, _666932))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _666912, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _603520=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), ->)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _679058)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _680916)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _690510)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _693214)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _710148)
   Exit: (191) [system] peek_char((0x560c892e10d0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _715718)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _717576)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _733586)
   Exit: (192) [system] get_char((0x560c892e10d0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), $, _715718)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _751228)
   Call: (194) [system] peek_char((0x560c892e10d0), _752162)
   Exit: (194) [system] peek_char((0x560c892e10d0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_756882, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_757814, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x560c892e10d0), p)
   Exit: (194) [system] get_char((0x560c892e10d0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _765164)
   Call: (195) [system] peek_char((0x560c892e10d0), _766098)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _765164=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _751228=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _715718)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _778176)
   Call: (195) [system] atom_chars(_779108, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _715718=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _788400)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _790258)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _799852)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _802556)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _819490)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _825060)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _826918)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _842928)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _825060)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _860570)
   Call: (195) [system] peek_char((0x560c892e10d0), _861504)
   Exit: (195) [system] peek_char((0x560c892e10d0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_866224, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_867156, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x560c892e10d0), q)
   Exit: (195) [system] get_char((0x560c892e10d0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _874506)
   Call: (196) [system] peek_char((0x560c892e10d0), _875440)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _874506=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (195) [system] _860570=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _825060)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _887518)
   Call: (196) [system] atom_chars(_888450, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _825060=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _897742)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _899600)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _909194)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _911898)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _928832)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _934402)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _936260)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _952270)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _934402)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _957840)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'O')
   Call: (196) [system] 'O'=(;)
   Fail: (196) [system] 'O'=(;)
   Call: (196) [system] 'O'=(/)
   Fail: (196) [system] 'O'=(/)
^  Call: (196) [user] is_like_space('O')
   Call: (197) [system] char_type('O', 'white')
   Fail: (197) [system] char_type('O', 'white')
   Call: (197) [system] char_type('O', end_of_line)
   Fail: (197) [system] char_type('O', end_of_line)
   Call: (197) [system] char_type('O', space)
   Fail: (197) [system] char_type('O', space)
   Call: (197) [system] char_type('O', cntrl)
   Fail: (197) [system] char_type('O', cntrl)
^  Fail: (196) [user] is_like_space('O')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _973850)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'O')
   Call: (195) [system] 'O'=')'
   Fail: (195) [system] 'O'=')'
   Call: (195) [system] 'O'=end_of_file
   Fail: (195) [system] 'O'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _979420)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _981278)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'O')
   Call: (197) [system] 'O'=(;)
   Fail: (197) [system] 'O'=(;)
   Call: (197) [system] 'O'=(/)
   Fail: (197) [system] 'O'=(/)
^  Call: (197) [user] is_like_space('O')
   Call: (198) [system] char_type('O', 'white')
   Fail: (198) [system] char_type('O', 'white')
   Call: (198) [system] char_type('O', end_of_line)
   Fail: (198) [system] char_type('O', end_of_line)
   Call: (198) [system] char_type('O', space)
   Fail: (198) [system] char_type('O', space)
   Call: (198) [system] char_type('O', cntrl)
   Fail: (198) [system] char_type('O', cntrl)
^  Fail: (197) [user] is_like_space('O')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _997288)
   Exit: (196) [system] get_char((0x560c892e10d0), 'O')
   Call: (196) [system] 'O'='('
   Fail: (196) [system] 'O'='('
   Call: (196) [system] 'O'='['
   Fail: (196) [system] 'O'='['
   Call: (196) [system] 'O'='{'
   Fail: (196) [system] 'O'='{'
   Call: (196) [system] 'O'='"'
   Fail: (196) [system] 'O'='"'
   Call: (196) [system] 'O'=!
   Fail: (196) [system] 'O'=!
   Call: (196) [system] 'O'='\''
   Fail: (196) [system] 'O'='\''
   Call: (196) [system] 'O'='`'
   Fail: (196) [system] 'O'='`'
   Call: (196) [system] 'O'=end_of_file
   Fail: (196) [system] 'O'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'O', _979420)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014930)
   Call: (198) [system] peek_char((0x560c892e10d0), _1015864)
   Exit: (198) [system] peek_char((0x560c892e10d0), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Fail: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_1020584, v('(', ')', end_of_file), r)
   Fail: (199) [system] arg(_1021516, v('(', ')', end_of_file), r)
^  Fail: (198) [user] is_delimiter(r)
   Call: (198) [system] ')'==r
   Fail: (198) [system] ')'==r
   Call: (198) [system] get_char((0x560c892e10d0), r)
   Exit: (198) [system] get_char((0x560c892e10d0), r)
   Call: (198) [system] r=(\)
   Fail: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1028866)
   Call: (199) [system] peek_char((0x560c892e10d0), _1029800)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1034520, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_1035452, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x560c892e10d0), 'L')
   Exit: (199) [system] get_char((0x560c892e10d0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1042802)
   Call: (200) [system] peek_char((0x560c892e10d0), _1043736)
   Exit: (200) [system] peek_char((0x560c892e10d0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1048456, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1049388, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x560c892e10d0), i)
   Exit: (200) [system] get_char((0x560c892e10d0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1056738)
   Call: (201) [system] peek_char((0x560c892e10d0), _1057672)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1062392, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1063324, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1070674)
   Call: (202) [system] peek_char((0x560c892e10d0), _1071608)
   Exit: (202) [system] peek_char((0x560c892e10d0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1076328, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1077260, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x560c892e10d0), k)
   Exit: (202) [system] get_char((0x560c892e10d0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1084610)
   Call: (203) [system] peek_char((0x560c892e10d0), _1085544)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1084610=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (202) [system] _1070674=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (201) [system] _1056738=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (200) [system] _1042802=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (199) [system] _1028866=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (198) [system] _1014930=[r, 'L', i, n, k]
   Exit: (198) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _979420)
^  Call: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1108798)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1109750, _1109752), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1108798), _1109732, fail)), '$restore_trace'(_1109750, _1109752))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1109750, _1109752))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1108798), _1109732, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1108798)
   Fail: (199) [system] atomic(_1108798)
   Call: (199) [system] atom_chars(_1108798, ['O', r, 'L', i, n, k])
   Exit: (199) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (198) [system] integer('OrLink')
   Fail: (198) [system] integer('OrLink')
   Call: (198) [system] _979420='OrLink'
   Exit: (198) [system] 'OrLink'='OrLink'
^  Exit: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1123748)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1125606)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1135200)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1137904)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1154838)
   Exit: (196) [system] peek_char((0x560c892e10d0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1160408)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1162266)
   Exit: (198) [system] peek_char((0x560c892e10d0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1178276)
   Exit: (197) [system] get_char((0x560c892e10d0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _1160408)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195918)
   Call: (199) [system] peek_char((0x560c892e10d0), _1196852)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1201572, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1202504, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209854)
   Call: (200) [system] peek_char((0x560c892e10d0), _1210788)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1209854=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1195918=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _1160408)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _1222866)
   Call: (200) [system] atom_chars(_1223798, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _1160408=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), _p)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1233090)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1234948)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1244542)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1247246)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1264180)
   Exit: (197) [system] peek_char((0x560c892e10d0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1269750)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1271608)
   Exit: (199) [system] peek_char((0x560c892e10d0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1287618)
   Exit: (198) [system] get_char((0x560c892e10d0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _1269750)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1305260)
   Call: (200) [system] peek_char((0x560c892e10d0), _1306194)
   Exit: (200) [system] peek_char((0x560c892e10d0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1310914, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1311846, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x560c892e10d0), q)
   Exit: (200) [system] get_char((0x560c892e10d0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1319196)
   Call: (201) [system] peek_char((0x560c892e10d0), _1320130)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1324850, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1319196=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (200) [system] _1305260=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _1269750)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _1334080)
   Call: (201) [system] atom_chars(_1335012, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _1269750=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), _q)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1344304)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1346162)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1362172)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1365962)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1344304=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _1233090=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [_q])
   Call: (196) [system] _1123748=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [_p, _q])
   Call: (195) [system] _934402=['OrLink', _p, _q]
   Exit: (195) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1379844)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1381702)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1397712)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1401502)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1379844=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _897742=[['OrLink', _p, _q]]
   Exit: (193) [system] [['OrLink', _p, _q]]=[['OrLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['OrLink', _p, _q]])
   Call: (192) [system] _788400=[_q, ['OrLink', _p, _q]]
   Exit: (192) [system] [_q, ['OrLink', _p, _q]]=[_q, ['OrLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_q, ['OrLink', _p, _q]])
   Call: (191) [system] _679058=[_p, _q, ['OrLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['OrLink', _p, _q]]=[_p, _q, ['OrLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [_p, _q, ['OrLink', _p, _q]])
   Call: (190) [system] _558502=[->, _p, _q, ['OrLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['OrLink', _p, _q]]=[->, _p, _q, ['OrLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [->, _p, _q, ['OrLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), [->, _p, _q, ['OrLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1418178)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1420036)
   Exit: (190) [system] peek_char((0x560c892e10d0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1436046)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x560c892e10d0), _1439836)
   Exit: (189) [system] get_char((0x560c892e10d0), ')')
   Call: (189) [system] _1418178=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [])
   Call: (188) [system] _521842=[[->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['OrLink', _p, _q]]]=[[->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [[->, _p, _q, ['OrLink', _p, _q]]])
   Call: (187) [system] _56444=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (187) [system] ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (186) [system] [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x560c892e10d0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1453718)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1455576)
   Exit: (186) [system] peek_char((0x560c892e10d0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1471586)
   Exit: (185) [system] peek_char((0x560c892e10d0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x560c892e10d0), _1475376)
   Exit: (185) [system] get_char((0x560c892e10d0), ')')
   Call: (185) [system] _1453718=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x560c892e10d0), [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x560c892e10d0), [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x560c892e10d0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (177) [system] once(user:(read_position((0x560c892e10d0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769)), read_sexpr((0x560c892e10d0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]), assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1493894, _1493896, _1493898, _1493900, _1493902))
^  Exit: (177) [user] retract(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _1496730))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _1496730)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), _1496730)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1499546))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1499546))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1499546)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1502346))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1502346)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), _1502346)
   Call: (187) [system] var('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] atom('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==true
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==false
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==[_1508866, _1508872]
   Call: (187) [system] is_list('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] string('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), _1513500, _1513502)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Quaternary rule", 74, 0], _1517242)
   Call: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], _1517242, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Quaternary rule", _1519122)
   Call: (190) [system] var(";; Quaternary rule")
   Call: (190) [system] atom(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"==true
   Call: (190) [system] ";; Quaternary rule"==false
   Call: (190) [system] ";; Quaternary rule"==[_1523764, _1523770]
   Call: (190) [system] is_list(";; Quaternary rule")
   Call: (190) [system] string(";; Quaternary rule")
   Exit: (190) [system] string(";; Quaternary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Quaternary rule")
^  Call: (190) [user] symbol(";; Quaternary rule")
   Call: (191) [system] atom(";; Quaternary rule")
   Fail: (191) [system] atom(";; Quaternary rule")
^  Fail: (190) [user] symbol(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"=_1519122
   Exit: (190) [system] ";; Quaternary rule"=";; Quaternary rule"
^  Exit: (189) [user] mfix_vars1(";; Quaternary rule", ";; Quaternary rule")
   Call: (189) [apply] apply:maplist_([74, 0], _1519124, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(74, _1537644)
   Call: (191) [system] var(74)
   Call: (191) [system] atom(74)
   Call: (191) [system] 74==true
   Call: (191) [system] 74==false
   Call: (191) [system] 74==[_1542286, _1542292]
   Call: (191) [system] is_list(74)
   Call: (191) [system] string(74)
   Call: (191) [system] compound(74)
^  Call: (191) [user] symbol(74)
   Call: (192) [system] atom(74)
   Fail: (192) [system] atom(74)
^  Fail: (191) [user] symbol(74)
   Call: (191) [system] 74=_1537644
   Exit: (191) [system] 74=74
^  Exit: (190) [user] mfix_vars1(74, 74)
   Call: (190) [apply] apply:maplist_([0], _1537646, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1553410)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1558052, _1558058]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1553410
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1553412, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([74, 0], [74, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0])
   Call: (187) [system] compound_name_arguments(_1502346, '$COMMENT', [";; Quaternary rule", 74, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582228))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582228))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582228)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1585028))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1585028)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), _1585028)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1496730))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1496730))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1496730)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1598986))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1598986)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), _1598986)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (178) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1729639320_140374, 115)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639330.8458605)
   Call: (173) [system] arg(1, t(1729639329.685125), _3148)
   Exit: (173) [system] arg(1, t(1729639329.685125), 1729639329.685125)
   Call: (173) [system] _3158 is 1729639330.8458605-1729639329.685125
   Exit: (173) [system] 1.1607353687286377 is 1729639330.8458605-1729639329.685125
   Call: (173) [system] 1.1607353687286377>4
   Fail: (173) [system] 1.1607353687286377>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 24)
   Call: (175) [system] atom(24+1)
   Call: (175) [system] set_flag(translated_forms, 25)
   Exit: (175) [system] set_flag(translated_forms, 25)
   Exit: (174) [$syspreds] update_flag(translated_forms, 24, 24+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 24, 24+1))
   Exit: (171) [$syspreds] flag(translated_forms, 24, 24+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1729639320_140374, 115)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1729639320_140374, 115)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 24, 24+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1729639320_140374, 115)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 116)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 116))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 116))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1673770)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1681192)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _1688614)
   Exit: (176) [system] peek_char((0x560c892e10d0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _1696952)
   Exit: (178) [system] peek_char((0x560c892e10d0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1699738=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _1701606, _1701608, _1701610, _1701612), read_sexpr((0x560c892e10d0), _1701624), assertz(metta_file_comment(_1701606, _1701608, _1701610, _1701624, _1701612))))
^  Call: (180) [user] read_position((0x560c892e10d0), _1701606, _1701608, _1701610, _1701612)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_1701612))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_1701612))
   Exit: (182) [system] nonvar(position(_1701612))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(4833, 118, 0, 4833)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), _1701606)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1711864)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), _1701606)
   Exit: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), 118)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), 118)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), _1701608)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1719298)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), _1701608)
   Exit: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), _1701610)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1726732)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), _1701610)
   Exit: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), 4833)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), 4833)
^  Exit: (180) [user] read_position((0x560c892e10d0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _1701624)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _1701624)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1736958)
   Exit: (183) [system] peek_char((0x560c892e10d0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _1752968)
   Exit: (182) [system] get_char((0x560c892e10d0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x560c892e10d0), _1764106)
   Call: (183) [system] string((0x560c892e10d0))
   Fail: (183) [system] string((0x560c892e10d0))
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1764106)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1768740)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1784750)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1764106)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1790320)
   Exit: (186) [system] peek_char((0x560c892e10d0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1806330)
   Exit: (185) [system] peek_char((0x560c892e10d0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1811900)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1813758)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1829768)
   Exit: (186) [system] get_char((0x560c892e10d0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), a, _1811900)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1847410)
   Call: (188) [system] peek_char((0x560c892e10d0), _1848344)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1853064, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1853996, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x560c892e10d0), s)
   Exit: (188) [system] get_char((0x560c892e10d0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1861346)
   Call: (189) [system] peek_char((0x560c892e10d0), _1862280)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1867000, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1867932, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x560c892e10d0), s)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1875282)
   Call: (190) [system] peek_char((0x560c892e10d0), _1876216)
   Exit: (190) [system] peek_char((0x560c892e10d0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1880936, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1881868, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x560c892e10d0), e)
   Exit: (190) [system] get_char((0x560c892e10d0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1889218)
   Call: (191) [system] peek_char((0x560c892e10d0), _1890152)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1894872, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1895804, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903154)
   Call: (192) [system] peek_char((0x560c892e10d0), _1904088)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1908808, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1909740, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917090)
   Call: (193) [system] peek_char((0x560c892e10d0), _1918024)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1922744, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1923676, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x560c892e10d0), 'E')
   Exit: (193) [system] get_char((0x560c892e10d0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931026)
   Call: (194) [system] peek_char((0x560c892e10d0), _1931960)
   Exit: (194) [system] peek_char((0x560c892e10d0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1936680, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1937612, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x560c892e10d0), q)
   Exit: (194) [system] get_char((0x560c892e10d0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1944962)
   Call: (195) [system] peek_char((0x560c892e10d0), _1945896)
   Exit: (195) [system] peek_char((0x560c892e10d0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1950616, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1951548, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x560c892e10d0), u)
   Exit: (195) [system] get_char((0x560c892e10d0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1958898)
   Call: (196) [system] peek_char((0x560c892e10d0), _1959832)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1964552, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1965484, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x560c892e10d0), a)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1972834)
   Call: (197) [system] peek_char((0x560c892e10d0), _1973768)
   Exit: (197) [system] peek_char((0x560c892e10d0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1978488, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1979420, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x560c892e10d0), l)
   Exit: (197) [system] get_char((0x560c892e10d0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1986770)
   Call: (198) [system] peek_char((0x560c892e10d0), _1987704)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1992424, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1993356, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x560c892e10d0), 'T')
   Exit: (198) [system] get_char((0x560c892e10d0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000706)
   Call: (199) [system] peek_char((0x560c892e10d0), _2001640)
   Exit: (199) [system] peek_char((0x560c892e10d0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_2006360, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_2007292, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x560c892e10d0), o)
   Exit: (199) [system] get_char((0x560c892e10d0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _2014642)
   Call: (200) [system] peek_char((0x560c892e10d0), _2015576)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_2020296, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_2021228, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x560c892e10d0), 'R')
   Exit: (200) [system] get_char((0x560c892e10d0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2028578)
   Call: (201) [system] peek_char((0x560c892e10d0), _2029512)
   Exit: (201) [system] peek_char((0x560c892e10d0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_2034232, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_2035164, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x560c892e10d0), e)
   Exit: (201) [system] get_char((0x560c892e10d0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2042514)
   Call: (202) [system] peek_char((0x560c892e10d0), _2043448)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_2048168, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_2049100, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x560c892e10d0), s)
   Exit: (202) [system] get_char((0x560c892e10d0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2056450)
   Call: (203) [system] peek_char((0x560c892e10d0), _2057384)
   Exit: (203) [system] peek_char((0x560c892e10d0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_2062104, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_2063036, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x560c892e10d0), u)
   Exit: (203) [system] get_char((0x560c892e10d0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2070386)
   Call: (204) [system] peek_char((0x560c892e10d0), _2071320)
   Exit: (204) [system] peek_char((0x560c892e10d0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_2076040, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_2076972, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x560c892e10d0), l)
   Exit: (204) [system] get_char((0x560c892e10d0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2084322)
   Call: (205) [system] peek_char((0x560c892e10d0), _2085256)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_2089976, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_2090908, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _4948)
   Call: (206) [system] peek_char((0x560c892e10d0), _5882)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _4948=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _3438=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (204) [system] _3434=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, t])
   Call: (203) [system] _3430=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, l, t])
   Call: (202) [system] _3426=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, u, l, t])
   Call: (201) [system] _3422=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, u, l, t])
   Call: (200) [system] _3418=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['R', e, s, u, l, t])
   Call: (199) [system] _3414=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _3410=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _3406=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _3402=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _3398=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _3394=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _3390=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _3386=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _3382=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _3378=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _3374=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _3370=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _3366)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _65458)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_66410, _66412), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _65458), _66392, fail)), '$restore_trace'(_66410, _66412))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_66410, _66412))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _66392, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _3366=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _78538)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _80396)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _89990)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _92694)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _104144)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _106848)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _116442)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _119146)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _128740)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _131444)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _141038)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _143742)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _153336)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _156040)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _165634)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _168338)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _190816)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _196386)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _198244)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _214254)
   Exit: (187) [system] get_char((0x560c892e10d0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _196386)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _219824)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _235834)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _241404)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _243262)
   Exit: (190) [system] peek_char((0x560c892e10d0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _259272)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), s, _241404)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _276914)
   Call: (191) [system] peek_char((0x560c892e10d0), _277848)
   Exit: (191) [system] peek_char((0x560c892e10d0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_282568, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_283500, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x560c892e10d0), y)
   Exit: (191) [system] get_char((0x560c892e10d0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _290850)
   Call: (192) [system] peek_char((0x560c892e10d0), _291784)
   Exit: (192) [system] peek_char((0x560c892e10d0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_296504, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_297436, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x560c892e10d0), n)
   Exit: (192) [system] get_char((0x560c892e10d0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _304786)
   Call: (193) [system] peek_char((0x560c892e10d0), _305720)
   Exit: (193) [system] peek_char((0x560c892e10d0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_310440, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_311372, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x560c892e10d0), t)
   Exit: (193) [system] get_char((0x560c892e10d0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _318722)
   Call: (194) [system] peek_char((0x560c892e10d0), _319656)
   Exit: (194) [system] peek_char((0x560c892e10d0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_324376, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_325308, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x560c892e10d0), h)
   Exit: (194) [system] get_char((0x560c892e10d0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _332658)
   Call: (195) [system] peek_char((0x560c892e10d0), _333592)
   Exit: (195) [system] peek_char((0x560c892e10d0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_338312, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_339244, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x560c892e10d0), e)
   Exit: (195) [system] get_char((0x560c892e10d0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _346594)
   Call: (196) [system] peek_char((0x560c892e10d0), _347528)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_352248, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_353180, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x560c892e10d0), s)
   Exit: (196) [system] get_char((0x560c892e10d0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _360530)
   Call: (197) [system] peek_char((0x560c892e10d0), _361464)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_366184, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_367116, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _374466)
   Call: (198) [system] peek_char((0x560c892e10d0), _375400)
   Exit: (198) [system] peek_char((0x560c892e10d0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_380120, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_381052, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x560c892e10d0), z)
   Exit: (198) [system] get_char((0x560c892e10d0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _388402)
   Call: (199) [system] peek_char((0x560c892e10d0), _389336)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_394056, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_394988, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _402338)
   Call: (200) [system] peek_char((0x560c892e10d0), _403272)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _402338=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _388402=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _374466=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (197) [system] _360530=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (196) [system] _346594=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (195) [system] _332658=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (194) [system] _318722=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (193) [system] _304786=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (192) [system] _290850=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _276914=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _241404)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _437702)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_438654, _438656), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _437702), _438636, fail)), '$restore_trace'(_438654, _438656))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_438654, _438656))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _438636, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _241404=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _450782)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _452640)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _462234)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _464938)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _481872)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _487442)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _489300)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _505310)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _487442)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _510880)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _526890)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _532460)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _534318)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _550328)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _532460)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _567970)
   Call: (194) [system] peek_char((0x560c892e10d0), _568904)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _567970=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _532460)
^  Call: (194) [user] classify_and_convert_charseq_([:], _578188)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_579140, _579142), once(user:catch(read_from_chars([:], _578188), _579122, fail)), '$restore_trace'(_579140, _579142))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_579140, _579142))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _579122, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _532460=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _591268)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _593126)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _602720)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _605424)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _622358)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _627928)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _629786)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _645796)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _627928)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _663438)
   Call: (195) [system] peek_char((0x560c892e10d0), _664372)
   Exit: (195) [system] peek_char((0x560c892e10d0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_669092, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_670024, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x560c892e10d0), t)
   Exit: (195) [system] get_char((0x560c892e10d0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _677374)
   Call: (196) [system] peek_char((0x560c892e10d0), _678308)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_683028, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_683960, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _691310)
   Call: (197) [system] peek_char((0x560c892e10d0), _692244)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_696964, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_697896, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _705246)
   Call: (198) [system] peek_char((0x560c892e10d0), _706180)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_710900, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_711832, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _719182)
   Call: (199) [system] peek_char((0x560c892e10d0), _720116)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _719182=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _705246=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (197) [system] _691310=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, m])
   Call: (196) [system] _677374=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, m])
   Call: (195) [system] _663438=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _627928)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _740576)
   Call: (196) [system] atom_chars(_741508, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _627928=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _term)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _750800)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _752658)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _762252)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _764956)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _781890)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _787460)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _789318)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _805328)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _787460)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _822970)
   Call: (196) [system] peek_char((0x560c892e10d0), _823904)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_828624, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_829556, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _836906)
   Call: (197) [system] peek_char((0x560c892e10d0), _837840)
   Exit: (197) [system] peek_char((0x560c892e10d0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_842560, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_843492, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x560c892e10d0), y)
   Exit: (197) [system] get_char((0x560c892e10d0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _850842)
   Call: (198) [system] peek_char((0x560c892e10d0), _851776)
   Exit: (198) [system] peek_char((0x560c892e10d0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_856496, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_857428, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x560c892e10d0), p)
   Exit: (198) [system] get_char((0x560c892e10d0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _864778)
   Call: (199) [system] peek_char((0x560c892e10d0), _865712)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_870432, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_871364, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _878714)
   Call: (200) [system] peek_char((0x560c892e10d0), _879648)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_884368, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _878714=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _864778=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _850842=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, e])
   Call: (197) [system] _836906=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, p, e])
   Call: (196) [system] _822970=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _787460)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _901980)
   Call: (197) [system] atom_chars(_902912, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _787460=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _type)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _912204)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _914062)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _930072)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _933862)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _912204=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _750800=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_type])
   Call: (192) [system] _591268=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_term, _type])
   Call: (191) [system] _487442=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _947744)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _949602)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _959196)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _961900)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _978834)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _984404)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _986262)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1002272)
   Exit: (191) [system] get_char((0x560c892e10d0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), k, _984404)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1019914)
   Call: (193) [system] peek_char((0x560c892e10d0), _1020848)
   Exit: (193) [system] peek_char((0x560c892e10d0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1025568, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1026500, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x560c892e10d0), b)
   Exit: (193) [system] get_char((0x560c892e10d0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1033850)
   Call: (194) [system] peek_char((0x560c892e10d0), _1034784)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1033850=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1019914=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _984404)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _1046862)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1047814, _1047816), once(user:catch(read_from_chars([k, b], _1046862), _1047796, fail)), '$restore_trace'(_1047814, _1047816))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1047814, _1047816))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1047796, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _984404=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1059942)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1061800)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1071394)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1074098)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1091032)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1096602)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1098460)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1114470)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), r, _1096602)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132112)
   Call: (194) [system] peek_char((0x560c892e10d0), _1133046)
   Exit: (194) [system] peek_char((0x560c892e10d0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1137766, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1138698, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x560c892e10d0), b)
   Exit: (194) [system] get_char((0x560c892e10d0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146048)
   Call: (195) [system] peek_char((0x560c892e10d0), _1146982)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1146048=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1132112=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _1096602)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _1159060)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1160012, _1160014), once(user:catch(read_from_chars([r, b], _1159060), _1159994, fail)), '$restore_trace'(_1160012, _1160014))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1160012, _1160014))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1159994, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _1096602=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1172140)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1173998)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1183592)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1186296)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1203230)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1208800)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1210658)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1226668)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1208800)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1232238)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
   Call: (195) [system] 'S'=(/)
   Fail: (195) [system] 'S'=(/)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1248248)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1253818)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1255676)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
   Call: (196) [system] 'S'=(/)
   Fail: (196) [system] 'S'=(/)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1271686)
   Exit: (195) [system] get_char((0x560c892e10d0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'S', _1253818)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1289328)
   Call: (197) [system] peek_char((0x560c892e10d0), _1290262)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1289328=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['S'], _1253818)
^  Call: (197) [user] classify_and_convert_charseq_(['S'], _1299546)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1300498, _1300500), once(user:catch(read_from_chars(['S'], _1299546), _1300480, fail)), '$restore_trace'(_1300498, _1300500))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1300498, _1300500))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1299546), _1300480, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1299546)
   Fail: (198) [system] atomic(_1299546)
   Call: (198) [system] atom_chars(_1299546, ['S'])
   Exit: (198) [system] atom_chars('S', ['S'])
^  Exit: (197) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (197) [system] integer('S')
   Fail: (197) [system] integer('S')
   Call: (197) [system] _1253818='S'
   Exit: (197) [system] 'S'='S'
^  Exit: (196) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1314496)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1316354)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1325948)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1328652)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
   Call: (197) [system] 'Z'=(/)
   Fail: (197) [system] 'Z'=(/)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1345586)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (195) [system] 'Z'=')'
   Fail: (195) [system] 'Z'=')'
   Call: (195) [system] 'Z'=end_of_file
   Fail: (195) [system] 'Z'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1351156)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1353014)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
   Call: (197) [system] 'Z'=(/)
   Fail: (197) [system] 'Z'=(/)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1369024)
   Exit: (196) [system] get_char((0x560c892e10d0), 'Z')
   Call: (196) [system] 'Z'='('
   Fail: (196) [system] 'Z'='('
   Call: (196) [system] 'Z'='['
   Fail: (196) [system] 'Z'='['
   Call: (196) [system] 'Z'='{'
   Fail: (196) [system] 'Z'='{'
   Call: (196) [system] 'Z'='"'
   Fail: (196) [system] 'Z'='"'
   Call: (196) [system] 'Z'=!
   Fail: (196) [system] 'Z'=!
   Call: (196) [system] 'Z'='\''
   Fail: (196) [system] 'Z'='\''
   Call: (196) [system] 'Z'='`'
   Fail: (196) [system] 'Z'='`'
   Call: (196) [system] 'Z'=end_of_file
   Fail: (196) [system] 'Z'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'Z', _1351156)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386666)
   Call: (198) [system] peek_char((0x560c892e10d0), _1387600)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1392320, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1386666=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq(['Z'], _1351156)
^  Call: (198) [user] classify_and_convert_charseq_(['Z'], _1398756)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1399708, _1399710), once(user:catch(read_from_chars(['Z'], _1398756), _1399690, fail)), '$restore_trace'(_1399708, _1399710))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1399708, _1399710))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1398756), _1399690, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1398756)
   Fail: (199) [system] atomic(_1398756)
   Call: (199) [system] atom_chars(_1398756, ['Z'])
   Exit: (199) [system] atom_chars('Z', ['Z'])
^  Exit: (198) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (198) [system] integer('Z')
   Fail: (198) [system] integer('Z')
   Call: (198) [system] _1351156='Z'
   Exit: (198) [system] 'Z'='Z'
^  Exit: (197) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'Z', 'Z')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'Z')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1413706)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1415564)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1431574)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1435364)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1413706=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _1314496=['Z']
   Exit: (195) [system] ['Z']=['Z']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['Z'])
   Call: (194) [system] _1208800=['S', 'Z']
   Exit: (194) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['S', 'Z'])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ['S', 'Z'])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1446452)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1448310)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1464320)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1468110)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1446452=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _1172140=[['S', 'Z']]
   Exit: (192) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [['S', 'Z']])
   Call: (191) [system] _1059942=[rb, ['S', 'Z']]
   Exit: (191) [system] [rb, ['S', 'Z']]=[rb, ['S', 'Z']]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [rb, ['S', 'Z']])
   Call: (190) [system] _947744=[kb, rb, ['S', 'Z']]
   Exit: (190) [system] [kb, rb, ['S', 'Z']]=[kb, rb, ['S', 'Z']]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [kb, rb, ['S', 'Z']])
   Call: (189) [system] _450782=[[:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', 'Z']]=[[:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, _term, _type], kb, rb, ['S', 'Z']])
   Call: (188) [system] _196386=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1487580)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1489438)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _1500888)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1503592)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1513186)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1515890)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1525484)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1528188)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1537782)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1540486)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1550080)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1552784)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1562378)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1565082)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1574676)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1577380)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1586974)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1589678)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1599272)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1601976)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1626302)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1631872)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1633730)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1649740)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1631872)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1655310)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1671320)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1676890)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1678748)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1694758)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1676890)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1700328)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1716338)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1721908)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1723766)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1739776)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _1721908)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1757418)
   Call: (194) [system] peek_char((0x560c892e10d0), _1758352)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1757418=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1721908)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1767636)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1768588, _1768590), once(user:catch(read_from_chars([:], _1767636), _1768570, fail)), '$restore_trace'(_1768588, _1768590))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1768588, _1768590))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1768570, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1721908=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1780716)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1782574)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1792168)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1794872)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1811806)
   Exit: (192) [system] peek_char((0x560c892e10d0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1817376)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1819234)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1835244)
   Exit: (193) [system] get_char((0x560c892e10d0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), a, _1817376)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1852886)
   Call: (195) [system] peek_char((0x560c892e10d0), _1853820)
   Exit: (195) [system] peek_char((0x560c892e10d0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1858540, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1859472, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x560c892e10d0), b)
   Exit: (195) [system] get_char((0x560c892e10d0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1866822)
   Call: (196) [system] peek_char((0x560c892e10d0), _1867756)
   Exit: (196) [system] peek_char((0x560c892e10d0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1872476, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_1873408, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x560c892e10d0), c)
   Exit: (196) [system] get_char((0x560c892e10d0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1880758)
   Call: (197) [system] peek_char((0x560c892e10d0), _1881692)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1880758=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _1866822=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (195) [system] _1852886=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _1817376)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _1896564)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1897516, _1897518), once(user:catch(read_from_chars([a, b, c], _1896564), _1897498, fail)), '$restore_trace'(_1897516, _1897518))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1897516, _1897518))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1897498, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _1817376=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1909644)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1911502)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1921096)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1923800)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1940734)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1946304)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1948162)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1964172)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1946304)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1969742)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1985752)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1991322)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1993180)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _2009190)
   Exit: (196) [system] get_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1991322)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _2026832)
   Call: (198) [system] peek_char((0x560c892e10d0), _2027766)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_2032486, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_2033418, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _2040768)
   Call: (199) [system] peek_char((0x560c892e10d0), _2041702)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2046422, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_2047354, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _2054704)
   Call: (200) [system] peek_char((0x560c892e10d0), _2055638)
   Exit: (200) [system] peek_char((0x560c892e10d0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_2060358, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_2061290, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x560c892e10d0), l)
   Exit: (200) [system] get_char((0x560c892e10d0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _2068640)
   Call: (201) [system] peek_char((0x560c892e10d0), _2069574)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_2074294, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_2075226, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2082576)
   Call: (202) [system] peek_char((0x560c892e10d0), _2083510)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2088230, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2089162, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _3502)
   Call: (203) [system] peek_char((0x560c892e10d0), _4150)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_8870, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_9802, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x560c892e10d0), a)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _17152)
   Call: (204) [system] peek_char((0x560c892e10d0), _18086)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_22806, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_23738, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _31088)
   Call: (205) [system] peek_char((0x560c892e10d0), _32022)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_36742, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_37674, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _45024)
   Call: (206) [system] peek_char((0x560c892e10d0), _45958)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_50678, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_51610, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _58960)
   Call: (207) [system] peek_char((0x560c892e10d0), _59894)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_64614, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_65546, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _72896)
   Call: (208) [system] peek_char((0x560c892e10d0), _73830)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _72896=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _58960=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (206) [system] _45024=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (205) [system] _31088=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (204) [system] _17152=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (203) [system] _3502=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (202) [system] _3496=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (201) [system] _3492=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (200) [system] _3488=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _3484=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _3480=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3476)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _111054)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_112006, _112008), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _111054), _111988, fail)), '$restore_trace'(_112006, _112008))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_112006, _112008))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _111054), _111988, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_111054)
   Fail: (199) [system] atomic(_111054)
   Call: (199) [system] atom_chars(_111054, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _3476='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _126004)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _127862)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _137456)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _140160)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _157094)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _162664)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _164522)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _180532)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _162664)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _186102)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _202112)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _207682)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _209540)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _225550)
   Exit: (199) [system] get_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', _207682)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _243192)
   Call: (201) [system] peek_char((0x560c892e10d0), _244126)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_248846, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_249778, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _257128)
   Call: (202) [system] peek_char((0x560c892e10d0), _258062)
   Exit: (202) [system] peek_char((0x560c892e10d0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_262782, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_263714, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x560c892e10d0), d)
   Exit: (202) [system] get_char((0x560c892e10d0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _271064)
   Call: (203) [system] peek_char((0x560c892e10d0), _271998)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_276718, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_277650, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x560c892e10d0), 'L')
   Exit: (203) [system] get_char((0x560c892e10d0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _285000)
   Call: (204) [system] peek_char((0x560c892e10d0), _285934)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_290654, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_291586, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _298936)
   Call: (205) [system] peek_char((0x560c892e10d0), _299870)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_304590, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_305522, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _312872)
   Call: (206) [system] peek_char((0x560c892e10d0), _313806)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_318526, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_319458, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _326808)
   Call: (207) [system] peek_char((0x560c892e10d0), _327742)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _326808=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _312872=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (205) [system] _298936=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (204) [system] _285000=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (203) [system] _271064=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (202) [system] _257128=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (201) [system] _243192=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _207682)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _353790)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_354742, _354744), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _353790), _354724, fail)), '$restore_trace'(_354742, _354744))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_354742, _354744))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _353790), _354724, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_353790)
   Fail: (202) [system] atomic(_353790)
   Call: (202) [system] atom_chars(_353790, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _207682='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _368740)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _370598)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _380192)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _382896)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _399830)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _405400)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _407258)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _423268)
   Exit: (200) [system] get_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', _405400)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _440910)
   Call: (202) [system] peek_char((0x560c892e10d0), _441844)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _440910=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _405400)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _451128)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_452080, _452082), once(user:catch(read_from_chars(['A'], _451128), _452062, fail)), '$restore_trace'(_452080, _452082))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_452080, _452082))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _451128), _452062, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_451128)
   Fail: (203) [system] atomic(_451128)
   Call: (203) [system] atom_chars(_451128, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _405400='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _466078)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _467936)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _477530)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _480234)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _497168)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _502738)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _504596)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _520606)
   Exit: (201) [system] get_char((0x560c892e10d0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', _502738)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _538248)
   Call: (203) [system] peek_char((0x560c892e10d0), _539182)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_543902, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _538248=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _502738)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _550338)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_551290, _551292), once(user:catch(read_from_chars(['B'], _550338), _551272, fail)), '$restore_trace'(_551290, _551292))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_551290, _551292))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _550338), _551272, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_550338)
   Fail: (204) [system] atomic(_550338)
   Call: (204) [system] atom_chars(_550338, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _502738='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _565288)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _567146)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _583156)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _586946)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _565288=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _466078=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (199) [system] _368740=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (198) [system] _162664=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _600828)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _602686)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _612280)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _614984)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _631918)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _637488)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _639346)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _655356)
   Exit: (198) [system] get_char((0x560c892e10d0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', _637488)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _672998)
   Call: (200) [system] peek_char((0x560c892e10d0), _673932)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_678652, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _672998=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _637488)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _685088)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_686040, _686042), once(user:catch(read_from_chars(['C'], _685088), _686022, fail)), '$restore_trace'(_686040, _686042))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_686040, _686042))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _685088), _686022, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_685088)
   Fail: (201) [system] atomic(_685088)
   Call: (201) [system] atom_chars(_685088, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _637488='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _700038)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _701896)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _717906)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _721696)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _700038=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _600828=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (196) [system] _126004=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3470=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _735578)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _737436)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _753446)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _757236)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _735578=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _3466=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3460=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3452=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _771118)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _772976)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _784426)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _787130)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\t')
   Call: (192) [system] '\t'=(;)
   Fail: (192) [system] '\t'=(;)
   Call: (192) [system] '\t'=(/)
   Fail: (192) [system] '\t'=(/)
^  Call: (192) [user] is_like_space('\t')
   Call: (193) [system] char_type('\t', 'white')
   Exit: (193) [system] char_type('\t', 'white')
^  Exit: (192) [user] is_like_space('\t')
   Call: (192) [system] get_char((0x560c892e10d0), _796724)
   Exit: (192) [system] get_char((0x560c892e10d0), '\t')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _799428)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\t')
   Call: (193) [system] '\t'=(;)
   Fail: (193) [system] '\t'=(;)
   Call: (193) [system] '\t'=(/)
   Fail: (193) [system] '\t'=(/)
^  Call: (193) [user] is_like_space('\t')
   Call: (194) [system] char_type('\t', 'white')
   Exit: (194) [system] char_type('\t', 'white')
^  Exit: (193) [user] is_like_space('\t')
   Call: (193) [system] get_char((0x560c892e10d0), _809022)
   Exit: (193) [system] get_char((0x560c892e10d0), '\t')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _811726)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _821320)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _824024)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _843730)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _849300)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _851158)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _867168)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _849300)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _872738)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _888748)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _894318)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _896176)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _912186)
   Exit: (193) [system] get_char((0x560c892e10d0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), :, _894318)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _929828)
   Call: (195) [system] peek_char((0x560c892e10d0), _930762)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _929828=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _894318)
^  Call: (195) [user] classify_and_convert_charseq_([:], _940046)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_940998, _941000), once(user:catch(read_from_chars([:], _940046), _940980, fail)), '$restore_trace'(_940998, _941000))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_940998, _941000))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _940980, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _894318=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _953126)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _954984)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _964578)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _967282)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
   Call: (195) [system] c=(/)
   Fail: (195) [system] c=(/)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _984216)
   Exit: (193) [system] peek_char((0x560c892e10d0), c)
   Call: (193) [system] c=')'
   Fail: (193) [system] c=')'
   Call: (193) [system] c=end_of_file
   Fail: (193) [system] c=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _989786)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _991644)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
   Call: (195) [system] c=(/)
   Fail: (195) [system] c=(/)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1007654)
   Exit: (194) [system] get_char((0x560c892e10d0), c)
   Call: (194) [system] c='('
   Fail: (194) [system] c='('
   Call: (194) [system] c='['
   Fail: (194) [system] c='['
   Call: (194) [system] c='{'
   Fail: (194) [system] c='{'
   Call: (194) [system] c='"'
   Fail: (194) [system] c='"'
   Call: (194) [system] c=!
   Fail: (194) [system] c=!
   Call: (194) [system] c='\''
   Fail: (194) [system] c='\''
   Call: (194) [system] c='`'
   Fail: (194) [system] c='`'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), c, _989786)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1025296)
   Call: (196) [system] peek_char((0x560c892e10d0), _1026230)
   Exit: (196) [system] peek_char((0x560c892e10d0), d)
^  Call: (196) [user] is_delimiter(d)
   Call: (197) [system] char_type(d, space)
   Fail: (197) [system] char_type(d, space)
   Call: (197) [system] arg(_1030950, v('(', ')', end_of_file), d)
   Fail: (197) [system] arg(_1031882, v('(', ')', end_of_file), d)
^  Fail: (196) [user] is_delimiter(d)
   Call: (196) [system] ')'==d
   Fail: (196) [system] ')'==d
   Call: (196) [system] get_char((0x560c892e10d0), d)
   Exit: (196) [system] get_char((0x560c892e10d0), d)
   Call: (196) [system] d=(\)
   Fail: (196) [system] d=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1039232)
   Call: (197) [system] peek_char((0x560c892e10d0), _1040166)
   Exit: (197) [system] peek_char((0x560c892e10d0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_1044886, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_1045818, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x560c892e10d0), e)
   Exit: (197) [system] get_char((0x560c892e10d0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1053168)
   Call: (198) [system] peek_char((0x560c892e10d0), _1054102)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1053168=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (197) [system] _1039232=[e]
   Exit: (197) [system] [e]=[e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (196) [system] _1025296=[d, e]
   Exit: (196) [system] [d, e]=[d, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (195) [user] classify_and_convert_charseq([c, d, e], _989786)
^  Call: (196) [user] classify_and_convert_charseq_([c, d, e], _1068974)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1069926, _1069928), once(user:catch(read_from_chars([c, d, e], _1068974), _1069908, fail)), '$restore_trace'(_1069926, _1069928))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1069926, _1069928))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1069908, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(cde)
   Exit: (197) [system] atomic(cde)
^  Exit: (196) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (196) [system] integer(cde)
   Fail: (196) [system] integer(cde)
   Call: (196) [system] _989786=cde
   Exit: (196) [system] cde=cde
^  Exit: (195) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1082054)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1083912)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1093506)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1096210)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1113144)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1118714)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1120572)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1136582)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1118714)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1142152)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1158162)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=')'
   Fail: (196) [system] 'I'=')'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1163732)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1165590)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1181600)
   Exit: (197) [system] get_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'='('
   Fail: (197) [system] 'I'='('
   Call: (197) [system] 'I'='['
   Fail: (197) [system] 'I'='['
   Call: (197) [system] 'I'='{'
   Fail: (197) [system] 'I'='{'
   Call: (197) [system] 'I'='"'
   Fail: (197) [system] 'I'='"'
   Call: (197) [system] 'I'=!
   Fail: (197) [system] 'I'=!
   Call: (197) [system] 'I'='\''
   Fail: (197) [system] 'I'='\''
   Call: (197) [system] 'I'='`'
   Fail: (197) [system] 'I'='`'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1163732)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1199242)
   Call: (199) [system] peek_char((0x560c892e10d0), _1200176)
   Exit: (199) [system] peek_char((0x560c892e10d0), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Fail: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_1204896, v('(', ')', end_of_file), m)
   Fail: (200) [system] arg(_1205828, v('(', ')', end_of_file), m)
^  Fail: (199) [user] is_delimiter(m)
   Call: (199) [system] ')'==m
   Fail: (199) [system] ')'==m
   Call: (199) [system] get_char((0x560c892e10d0), m)
   Exit: (199) [system] get_char((0x560c892e10d0), m)
   Call: (199) [system] m=(\)
   Fail: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1213178)
   Call: (200) [system] peek_char((0x560c892e10d0), _1214112)
   Exit: (200) [system] peek_char((0x560c892e10d0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1218832, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1219764, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x560c892e10d0), p)
   Exit: (200) [system] get_char((0x560c892e10d0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1227114)
   Call: (201) [system] peek_char((0x560c892e10d0), _1228048)
   Exit: (201) [system] peek_char((0x560c892e10d0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1232768, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1233700, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x560c892e10d0), l)
   Exit: (201) [system] get_char((0x560c892e10d0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1241050)
   Call: (202) [system] peek_char((0x560c892e10d0), _1241984)
   Exit: (202) [system] peek_char((0x560c892e10d0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1246704, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1247636, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x560c892e10d0), i)
   Exit: (202) [system] get_char((0x560c892e10d0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1254986)
   Call: (203) [system] peek_char((0x560c892e10d0), _1255920)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1260640, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1261572, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x560c892e10d0), c)
   Exit: (203) [system] get_char((0x560c892e10d0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1268922)
   Call: (204) [system] peek_char((0x560c892e10d0), _1269856)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
^  Call: (204) [user] is_delimiter(a)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] arg(_1274576, v('(', ')', end_of_file), a)
   Fail: (205) [system] arg(_1275508, v('(', ')', end_of_file), a)
^  Fail: (204) [user] is_delimiter(a)
   Call: (204) [system] ')'==a
   Fail: (204) [system] ')'==a
   Call: (204) [system] get_char((0x560c892e10d0), a)
   Exit: (204) [system] get_char((0x560c892e10d0), a)
   Call: (204) [system] a=(\)
   Fail: (204) [system] a=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1282858)
   Call: (205) [system] peek_char((0x560c892e10d0), _1283792)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1288512, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1289444, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1296794)
   Call: (206) [system] peek_char((0x560c892e10d0), _1297728)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1302448, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1303380, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1310730)
   Call: (207) [system] peek_char((0x560c892e10d0), _1311664)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1316384, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1317316, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1324666)
   Call: (208) [system] peek_char((0x560c892e10d0), _1325600)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1330320, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1331252, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338602)
   Call: (209) [system] peek_char((0x560c892e10d0), _1339536)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1338602=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1324666=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (207) [system] _1310730=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (206) [system] _1296794=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (205) [system] _1282858=[t, i, o, n]
   Exit: (205) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (204) [system] _1268922=[a, t, i, o, n]
   Exit: (204) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (203) [system] _1254986=[c, a, t, i, o, n]
   Exit: (203) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (202) [system] _1241050=[i, c, a, t, i, o, n]
   Exit: (202) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (201) [system] _1227114=[l, i, c, a, t, i, o, n]
   Exit: (201) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (200) [system] _1213178=[p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (199) [system] _1199242=[m, p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1163732)
^  Call: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1376760)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1377712, _1377714), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1376760), _1377694, fail)), '$restore_trace'(_1377712, _1377714))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1377712, _1377714))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1376760), _1377694, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1376760)
   Fail: (200) [system] atomic(_1376760)
   Call: (200) [system] atom_chars(_1376760, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (199) [system] integer('Implication')
   Fail: (199) [system] integer('Implication')
   Call: (199) [system] _1163732='Implication'
   Exit: (199) [system] 'Implication'='Implication'
^  Exit: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1391710)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1393568)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1403162)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1405866)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1422800)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1428370)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1430228)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1446238)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1428370)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1451808)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
   Call: (200) [system] 'O'=(/)
   Fail: (200) [system] 'O'=(/)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1467818)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1473388)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1475246)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1491256)
   Exit: (200) [system] get_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1473388)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508898)
   Call: (202) [system] peek_char((0x560c892e10d0), _1509832)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1514552, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1515484, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522834)
   Call: (203) [system] peek_char((0x560c892e10d0), _1523768)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1528488, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_1529420, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x560c892e10d0), 'L')
   Exit: (203) [system] get_char((0x560c892e10d0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536770)
   Call: (204) [system] peek_char((0x560c892e10d0), _1537704)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1542424, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1543356, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1550706)
   Call: (205) [system] peek_char((0x560c892e10d0), _1551640)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1556360, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1557292, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1564642)
   Call: (206) [system] peek_char((0x560c892e10d0), _1565576)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1570296, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1571228, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1578578)
   Call: (207) [system] peek_char((0x560c892e10d0), _1579512)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1578578=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1564642=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (205) [system] _1550706=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (204) [system] _1536770=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (203) [system] _1522834=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (202) [system] _1508898=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1473388)
^  Call: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1602766)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1603718, _1603720), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1602766), _1603700, fail)), '$restore_trace'(_1603718, _1603720))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1603718, _1603720))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1602766), _1603700, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1602766)
   Fail: (203) [system] atomic(_1602766)
   Call: (203) [system] atom_chars(_1602766, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (202) [system] integer('OrLink')
   Fail: (202) [system] integer('OrLink')
   Call: (202) [system] _1473388='OrLink'
   Exit: (202) [system] 'OrLink'='OrLink'
^  Exit: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1617716)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1619574)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1629168)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1631872)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1648806)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1654376)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1656234)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1672244)
   Exit: (201) [system] get_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1654376)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1689886)
   Call: (203) [system] peek_char((0x560c892e10d0), _1690820)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1689886=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['C'], _1654376)
^  Call: (203) [user] classify_and_convert_charseq_(['C'], _1700104)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1701056, _1701058), once(user:catch(read_from_chars(['C'], _1700104), _1701038, fail)), '$restore_trace'(_1701056, _1701058))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1701056, _1701058))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1700104), _1701038, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1700104)
   Fail: (204) [system] atomic(_1700104)
   Call: (204) [system] atom_chars(_1700104, ['C'])
   Exit: (204) [system] atom_chars('C', ['C'])
^  Exit: (203) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (203) [system] integer('C')
   Fail: (203) [system] integer('C')
   Call: (203) [system] _1654376='C'
   Exit: (203) [system] 'C'='C'
^  Exit: (202) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1715054)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1716912)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1726506)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1729210)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1746144)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1751714)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1753572)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1769582)
   Exit: (202) [system] get_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1751714)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1787224)
   Call: (204) [system] peek_char((0x560c892e10d0), _1788158)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1792878, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1787224=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq(['D'], _1751714)
^  Call: (204) [user] classify_and_convert_charseq_(['D'], _1799314)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1800266, _1800268), once(user:catch(read_from_chars(['D'], _1799314), _1800248, fail)), '$restore_trace'(_1800266, _1800268))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1800266, _1800268))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1799314), _1800248, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1799314)
   Fail: (205) [system] atomic(_1799314)
   Call: (205) [system] atom_chars(_1799314, ['D'])
   Exit: (205) [system] atom_chars('D', ['D'])
^  Exit: (204) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (204) [system] integer('D')
   Fail: (204) [system] integer('D')
   Call: (204) [system] _1751714='D'
   Exit: (204) [system] 'D'='D'
^  Exit: (203) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1814264)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1816122)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1832132)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1835922)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1814264=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1715054=['D']
   Exit: (201) [system] ['D']=['D']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (200) [system] _1617716=['C', 'D']
   Exit: (200) [system] ['C', 'D']=['C', 'D']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (199) [system] _1428370=['OrLink', 'C', 'D']
   Exit: (199) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1849804)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1851662)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1861256)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1863960)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
   Call: (200) [system] 'E'=(/)
   Fail: (200) [system] 'E'=(/)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1880894)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'E')
   Call: (198) [system] 'E'=')'
   Fail: (198) [system] 'E'=')'
   Call: (198) [system] 'E'=end_of_file
   Fail: (198) [system] 'E'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1886464)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1888322)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
   Call: (200) [system] 'E'=(/)
   Fail: (200) [system] 'E'=(/)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1904332)
   Exit: (199) [system] get_char((0x560c892e10d0), 'E')
   Call: (199) [system] 'E'='('
   Fail: (199) [system] 'E'='('
   Call: (199) [system] 'E'='['
   Fail: (199) [system] 'E'='['
   Call: (199) [system] 'E'='{'
   Fail: (199) [system] 'E'='{'
   Call: (199) [system] 'E'='"'
   Fail: (199) [system] 'E'='"'
   Call: (199) [system] 'E'=!
   Fail: (199) [system] 'E'=!
   Call: (199) [system] 'E'='\''
   Fail: (199) [system] 'E'='\''
   Call: (199) [system] 'E'='`'
   Fail: (199) [system] 'E'='`'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1886464)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1921974)
   Call: (201) [system] peek_char((0x560c892e10d0), _1922908)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1927628, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1921974=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq(['E'], _1886464)
^  Call: (201) [user] classify_and_convert_charseq_(['E'], _1934064)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1935016, _1935018), once(user:catch(read_from_chars(['E'], _1934064), _1934998, fail)), '$restore_trace'(_1935016, _1935018))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1935016, _1935018))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1934064), _1934998, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1934064)
   Fail: (202) [system] atomic(_1934064)
   Call: (202) [system] atom_chars(_1934064, ['E'])
   Exit: (202) [system] atom_chars('E', ['E'])
^  Exit: (201) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (201) [system] integer('E')
   Fail: (201) [system] integer('E')
   Call: (201) [system] _1886464='E'
   Exit: (201) [system] 'E'='E'
^  Exit: (200) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1949014)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1950872)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1966882)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _1970672)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _1949014=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _1849804=['E']
   Exit: (198) [system] ['E']=['E']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (197) [system] _1391710=[['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (196) [system] _1118714=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (196) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1984554)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1986412)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2002422)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _2006212)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1984554=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1082054=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _953126=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (192) [system] _849300=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (192) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _2020094)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2021952)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _2031546)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2034250)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2051184)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _2056754)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2058612)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _2074622)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _2056754)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2080192)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _3578)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _8570)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _10428)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _26438)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _8570)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _44080)
   Call: (196) [system] peek_char((0x560c892e10d0), _45014)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _44080=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _8570)
^  Call: (196) [user] classify_and_convert_charseq_([:], _54298)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_55250, _55252), once(user:catch(read_from_chars([:], _54298), _55232, fail)), '$restore_trace'(_55250, _55252))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_55250, _55252))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _55232, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _8570=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _67378)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _69236)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _78830)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _81534)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _98468)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _104038)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _105896)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _121906)
   Exit: (195) [system] get_char((0x560c892e10d0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), a, _104038)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _139548)
   Call: (197) [system] peek_char((0x560c892e10d0), _140482)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _139548=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([a], _104038)
^  Call: (197) [user] classify_and_convert_charseq_([a], _149766)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_150718, _150720), once(user:catch(read_from_chars([a], _149766), _150700, fail)), '$restore_trace'(_150718, _150720))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_150718, _150720))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _150700, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq_([a], a)
   Call: (197) [system] integer(a)
   Fail: (197) [system] integer(a)
   Call: (197) [system] _104038=a
   Exit: (197) [system] a=a
^  Exit: (196) [user] classify_and_convert_charseq([a], a)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _162846)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _164704)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _174298)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _177002)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _193936)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _199506)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _201364)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _217374)
   Exit: (196) [system] get_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'A', _199506)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _235016)
   Call: (198) [system] peek_char((0x560c892e10d0), _235950)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_240670, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _235016=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq(['A'], _199506)
^  Call: (198) [user] classify_and_convert_charseq_(['A'], _247106)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_248058, _248060), once(user:catch(read_from_chars(['A'], _247106), _248040, fail)), '$restore_trace'(_248058, _248060))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_248058, _248060))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _247106), _248040, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_247106)
   Fail: (199) [system] atomic(_247106)
   Call: (199) [system] atom_chars(_247106, ['A'])
   Exit: (199) [system] atom_chars('A', ['A'])
^  Exit: (198) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (198) [system] integer('A')
   Fail: (198) [system] integer('A')
   Call: (198) [system] _199506='A'
   Exit: (198) [system] 'A'='A'
^  Exit: (197) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _262056)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _263914)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _279924)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _283714)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _262056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _162846=['A']
   Exit: (195) [system] ['A']=['A']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (194) [system] _67378=[a, 'A']
   Exit: (194) [system] [a, 'A']=[a, 'A']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [a, 'A'])
   Call: (193) [system] _3572=[:, a, 'A']
   Exit: (193) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, a, 'A'])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'A'])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _297596)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _299454)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _309048)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _311752)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _328686)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _334256)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _336114)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _352124)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _334256)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _357694)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _373704)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _379274)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _381132)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _397142)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _379274)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _414784)
   Call: (197) [system] peek_char((0x560c892e10d0), _415718)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _414784=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _379274)
^  Call: (197) [user] classify_and_convert_charseq_([:], _425002)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_425954, _425956), once(user:catch(read_from_chars([:], _425002), _425936, fail)), '$restore_trace'(_425954, _425956))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_425954, _425956))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _425936, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _379274=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _438082)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _439940)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _449534)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _452238)
   Exit: (197) [system] peek_char((0x560c892e10d0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _469172)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _474742)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _476600)
   Exit: (197) [system] peek_char((0x560c892e10d0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _492610)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), a, _474742)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _510252)
   Call: (198) [system] peek_char((0x560c892e10d0), _511186)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _510252=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([a], _474742)
^  Call: (198) [user] classify_and_convert_charseq_([a], _520470)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_521422, _521424), once(user:catch(read_from_chars([a], _520470), _521404, fail)), '$restore_trace'(_521422, _521424))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_521422, _521424))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _521404, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(a)
   Exit: (199) [system] atomic(a)
^  Exit: (198) [user] classify_and_convert_charseq_([a], a)
   Call: (198) [system] integer(a)
   Fail: (198) [system] integer(a)
   Call: (198) [system] _474742=a
   Exit: (198) [system] a=a
^  Exit: (197) [user] classify_and_convert_charseq([a], a)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _533550)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _535408)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _545002)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _547706)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
   Call: (198) [system] 'B'=(/)
   Fail: (198) [system] 'B'=(/)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _564640)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'=')'
   Fail: (196) [system] 'B'=')'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _570210)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _572068)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
   Call: (198) [system] 'B'=(/)
   Fail: (198) [system] 'B'=(/)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _588078)
   Exit: (197) [system] get_char((0x560c892e10d0), 'B')
   Call: (197) [system] 'B'='('
   Fail: (197) [system] 'B'='('
   Call: (197) [system] 'B'='['
   Fail: (197) [system] 'B'='['
   Call: (197) [system] 'B'='{'
   Fail: (197) [system] 'B'='{'
   Call: (197) [system] 'B'='"'
   Fail: (197) [system] 'B'='"'
   Call: (197) [system] 'B'=!
   Fail: (197) [system] 'B'=!
   Call: (197) [system] 'B'='\''
   Fail: (197) [system] 'B'='\''
   Call: (197) [system] 'B'='`'
   Fail: (197) [system] 'B'='`'
   Call: (197) [system] 'B'=end_of_file
   Fail: (197) [system] 'B'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), 'B', _570210)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _605720)
   Call: (199) [system] peek_char((0x560c892e10d0), _606654)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_611374, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _605720=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq(['B'], _570210)
^  Call: (199) [user] classify_and_convert_charseq_(['B'], _617810)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_618762, _618764), once(user:catch(read_from_chars(['B'], _617810), _618744, fail)), '$restore_trace'(_618762, _618764))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_618762, _618764))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _617810), _618744, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_617810)
   Fail: (200) [system] atomic(_617810)
   Call: (200) [system] atom_chars(_617810, ['B'])
   Exit: (200) [system] atom_chars('B', ['B'])
^  Exit: (199) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (199) [system] integer('B')
   Fail: (199) [system] integer('B')
   Call: (199) [system] _570210='B'
   Exit: (199) [system] 'B'='B'
^  Exit: (198) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _632760)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _634618)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _650628)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _654418)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _632760=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _533550=['B']
   Exit: (196) [system] ['B']=['B']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (195) [system] _438082=[a, 'B']
   Exit: (195) [system] [a, 'B']=[a, 'B']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [a, 'B'])
   Call: (194) [system] _334256=[:, a, 'B']
   Exit: (194) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, a, 'B'])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'B'])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _668300)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _670158)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x560c892e10d0), _681608)
   Exit: (194) [system] get_char((0x560c892e10d0), '\n')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _684312)
   Exit: (195) [system] peek_char((0x560c892e10d0), '\t')
   Call: (195) [system] '\t'=(;)
   Fail: (195) [system] '\t'=(;)
   Call: (195) [system] '\t'=(/)
   Fail: (195) [system] '\t'=(/)
^  Call: (195) [user] is_like_space('\t')
   Call: (196) [system] char_type('\t', 'white')
   Exit: (196) [system] char_type('\t', 'white')
^  Exit: (195) [user] is_like_space('\t')
   Call: (195) [system] get_char((0x560c892e10d0), _693906)
   Exit: (195) [system] get_char((0x560c892e10d0), '\t')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _696610)
   Exit: (196) [system] peek_char((0x560c892e10d0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
   Call: (196) [system] '\t'=(/)
   Fail: (196) [system] '\t'=(/)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x560c892e10d0), _706204)
   Exit: (196) [system] get_char((0x560c892e10d0), '\t')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _708908)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _718502)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _721206)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _740912)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _746482)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _748340)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _764350)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _746482)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _769920)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _785930)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _791500)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _793358)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _809368)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _791500)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _827010)
   Call: (198) [system] peek_char((0x560c892e10d0), _827944)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _827010=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _791500)
^  Call: (198) [user] classify_and_convert_charseq_([:], _837228)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_838180, _838182), once(user:catch(read_from_chars([:], _837228), _838162, fail)), '$restore_trace'(_838180, _838182))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_838180, _838182))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _838162, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _791500=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _850308)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _852166)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _861760)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _864464)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _881398)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _886968)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _888826)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _904836)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _886968)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _910406)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _926416)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'C')
   Call: (198) [system] 'C'=')'
   Fail: (198) [system] 'C'=')'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _931986)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _933844)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _949854)
   Exit: (199) [system] get_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'='('
   Fail: (199) [system] 'C'='('
   Call: (199) [system] 'C'='['
   Fail: (199) [system] 'C'='['
   Call: (199) [system] 'C'='{'
   Fail: (199) [system] 'C'='{'
   Call: (199) [system] 'C'='"'
   Fail: (199) [system] 'C'='"'
   Call: (199) [system] 'C'=!
   Fail: (199) [system] 'C'=!
   Call: (199) [system] 'C'='\''
   Fail: (199) [system] 'C'='\''
   Call: (199) [system] 'C'='`'
   Fail: (199) [system] 'C'='`'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'C', _931986)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _967496)
   Call: (201) [system] peek_char((0x560c892e10d0), _968430)
   Exit: (201) [system] peek_char((0x560c892e10d0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_973150, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_974082, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x560c892e10d0), o)
   Exit: (201) [system] get_char((0x560c892e10d0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _981432)
   Call: (202) [system] peek_char((0x560c892e10d0), _982366)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_987086, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_988018, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _995368)
   Call: (203) [system] peek_char((0x560c892e10d0), _996302)
   Exit: (203) [system] peek_char((0x560c892e10d0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1001022, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1001954, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x560c892e10d0), j)
   Exit: (203) [system] get_char((0x560c892e10d0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1009304)
   Call: (204) [system] peek_char((0x560c892e10d0), _1010238)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1014958, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1015890, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1023240)
   Call: (205) [system] peek_char((0x560c892e10d0), _1024174)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1028894, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1029826, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1037176)
   Call: (206) [system] peek_char((0x560c892e10d0), _1038110)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1042830, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1043762, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1051112)
   Call: (207) [system] peek_char((0x560c892e10d0), _1052046)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1056766, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1057698, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1065048)
   Call: (208) [system] peek_char((0x560c892e10d0), _1065982)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1070702, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1071634, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1078984)
   Call: (209) [system] peek_char((0x560c892e10d0), _1079918)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1084638, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1085570, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1092920)
   Call: (210) [system] peek_char((0x560c892e10d0), _1093854)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1098574, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1099506, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1106856)
   Call: (211) [system] peek_char((0x560c892e10d0), _1107790)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_1112510, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_1113442, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x560c892e10d0), 'I')
   Exit: (211) [system] get_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1120792)
   Call: (212) [system] peek_char((0x560c892e10d0), _1121726)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1126446, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1127378, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1134728)
   Call: (213) [system] peek_char((0x560c892e10d0), _1135662)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1140382, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1141314, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1148664)
   Call: (214) [system] peek_char((0x560c892e10d0), _1149598)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1154318, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1155250, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1162600)
   Call: (215) [system] peek_char((0x560c892e10d0), _1163534)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1168254, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1169186, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1176536)
   Call: (216) [system] peek_char((0x560c892e10d0), _1177470)
   Exit: (216) [system] peek_char((0x560c892e10d0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1182190, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1183122, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x560c892e10d0), d)
   Exit: (216) [system] get_char((0x560c892e10d0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1190472)
   Call: (217) [system] peek_char((0x560c892e10d0), _1191406)
   Exit: (217) [system] peek_char((0x560c892e10d0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1196126, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1197058, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x560c892e10d0), u)
   Exit: (217) [system] get_char((0x560c892e10d0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1204408)
   Call: (218) [system] peek_char((0x560c892e10d0), _1205342)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1210062, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1210994, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1218344)
   Call: (219) [system] peek_char((0x560c892e10d0), _1219278)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1223998, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1224930, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1232280)
   Call: (220) [system] peek_char((0x560c892e10d0), _1233214)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1237934, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1238866, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1246216)
   Call: (221) [system] peek_char((0x560c892e10d0), _1247150)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1251870, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1252802, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1260152)
   Call: (222) [system] peek_char((0x560c892e10d0), _1261086)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1265806, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1266738, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1274088)
   Call: (223) [system] peek_char((0x560c892e10d0), _1275022)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1274088=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1260152=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (221) [system] _1246216=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (220) [system] _1232280=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (219) [system] _1218344=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (218) [system] _1204408=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (217) [system] _1190472=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (216) [system] _1176536=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (215) [system] _1162600=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _1148664=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1134728=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1120792=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1106856=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1092920=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1078984=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1065048=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1051112=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1037176=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1023240=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1009304=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _995368=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _981432=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _967496=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _931986)
^  Call: (201) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1345774)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1346726, _1346728), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1345774), _1346708, fail)), '$restore_trace'(_1346726, _1346728))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1346726, _1346728))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1345774), _1346708, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1345774)
   Fail: (202) [system] atomic(_1345774)
   Call: (202) [system] atom_chars(_1345774, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (201) [system] integer('ConjunctionIntroduction')
   Fail: (201) [system] integer('ConjunctionIntroduction')
   Call: (201) [system] _931986='ConjunctionIntroduction'
   Exit: (201) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (200) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1360724)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1362582)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1372176)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1374880)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1391814)
   Exit: (199) [system] peek_char((0x560c892e10d0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1397384)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1399242)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1415252)
   Exit: (200) [system] get_char((0x560c892e10d0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), a, _1397384)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1432894)
   Call: (202) [system] peek_char((0x560c892e10d0), _1433828)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1438548, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1439480, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1446830)
   Call: (203) [system] peek_char((0x560c892e10d0), _1447764)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1452484, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1453416, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x560c892e10d0), c)
   Exit: (203) [system] get_char((0x560c892e10d0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1460766)
   Call: (204) [system] peek_char((0x560c892e10d0), _1461700)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1460766=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _1446830=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (202) [system] _1432894=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq([a, b, c], _1397384)
^  Call: (202) [user] classify_and_convert_charseq_([a, b, c], _1476572)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1477524, _1477526), once(user:catch(read_from_chars([a, b, c], _1476572), _1477506, fail)), '$restore_trace'(_1477524, _1477526))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1477524, _1477526))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1477506, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (202) [system] integer(abc)
   Fail: (202) [system] integer(abc)
   Call: (202) [system] _1397384=abc
   Exit: (202) [system] abc=abc
^  Exit: (201) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1489652)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1491510)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1501104)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1503808)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1520742)
   Exit: (200) [system] peek_char((0x560c892e10d0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1526312)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1528170)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1544180)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), a, _1526312)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561822)
   Call: (203) [system] peek_char((0x560c892e10d0), _1562756)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1567476, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1568408, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575758)
   Call: (204) [system] peek_char((0x560c892e10d0), _1576692)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1581412, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1582344, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589694)
   Call: (205) [system] peek_char((0x560c892e10d0), _1590628)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1595348, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1589694=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1575758=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (203) [system] _1561822=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _1526312)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _1607372)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1608324, _1608326), once(user:catch(read_from_chars([a, b, c], _1607372), _1608306, fail)), '$restore_trace'(_1608324, _1608326))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1608324, _1608326))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1608306, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _1526312=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1620452)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1622310)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1638320)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1642110)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1620452=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _1489652=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (199) [system] _1360724=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [abc, abc])
   Call: (198) [system] _886968=['ConjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1655992)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1657850)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1667444)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1670148)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1687082)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1692652)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1694510)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1710520)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1692652)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1716090)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1732100)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1737670)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1739528)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1755538)
   Exit: (200) [system] get_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1737670)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1773180)
   Call: (202) [system] peek_char((0x560c892e10d0), _1774114)
   Exit: (202) [system] peek_char((0x560c892e10d0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1778834, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1779766, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x560c892e10d0), n)
   Exit: (202) [system] get_char((0x560c892e10d0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1787116)
   Call: (203) [system] peek_char((0x560c892e10d0), _1788050)
   Exit: (203) [system] peek_char((0x560c892e10d0), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Fail: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_1792770, v('(', ')', end_of_file), d)
   Fail: (204) [system] arg(_1793702, v('(', ')', end_of_file), d)
^  Fail: (203) [user] is_delimiter(d)
   Call: (203) [system] ')'==d
   Fail: (203) [system] ')'==d
   Call: (203) [system] get_char((0x560c892e10d0), d)
   Exit: (203) [system] get_char((0x560c892e10d0), d)
   Call: (203) [system] d=(\)
   Fail: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1801052)
   Call: (204) [system] peek_char((0x560c892e10d0), _1801986)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1806706, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_1807638, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x560c892e10d0), 'L')
   Exit: (204) [system] get_char((0x560c892e10d0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1814988)
   Call: (205) [system] peek_char((0x560c892e10d0), _1815922)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1820642, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1821574, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1828924)
   Call: (206) [system] peek_char((0x560c892e10d0), _1829858)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1834578, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1835510, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1842860)
   Call: (207) [system] peek_char((0x560c892e10d0), _1843794)
   Exit: (207) [system] peek_char((0x560c892e10d0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1848514, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1849446, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x560c892e10d0), k)
   Exit: (207) [system] get_char((0x560c892e10d0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1856796)
   Call: (208) [system] peek_char((0x560c892e10d0), _1857730)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1856796=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1842860=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (206) [system] _1828924=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (205) [system] _1814988=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (204) [system] _1801052=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (203) [system] _1787116=[d, 'L', i, n, k]
   Exit: (203) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (202) [system] _1773180=[n, d, 'L', i, n, k]
   Exit: (202) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1737670)
^  Call: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1883778)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1884730, _1884732), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1883778), _1884712, fail)), '$restore_trace'(_1884730, _1884732))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1884730, _1884732))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1883778), _1884712, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1883778)
   Fail: (203) [system] atomic(_1883778)
   Call: (203) [system] atom_chars(_1883778, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (202) [system] integer('AndLink')
   Fail: (202) [system] integer('AndLink')
   Call: (202) [system] _1737670='AndLink'
   Exit: (202) [system] 'AndLink'='AndLink'
^  Exit: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1898728)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1900586)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1910180)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1912884)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1929818)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1935388)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1937246)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1953256)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1935388)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1958826)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
   Call: (203) [system] 'I'=(/)
   Fail: (203) [system] 'I'=(/)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1974836)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1980406)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1982264)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1998274)
   Exit: (203) [system] get_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1980406)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2015916)
   Call: (205) [system] peek_char((0x560c892e10d0), _2016850)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_2021570, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_2022502, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2029852)
   Call: (206) [system] peek_char((0x560c892e10d0), _2030786)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_2035506, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_2036438, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2043788)
   Call: (207) [system] peek_char((0x560c892e10d0), _2044722)
   Exit: (207) [system] peek_char((0x560c892e10d0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_2049442, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_2050374, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x560c892e10d0), l)
   Exit: (207) [system] get_char((0x560c892e10d0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _2057724)
   Call: (208) [system] peek_char((0x560c892e10d0), _2058658)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2063378, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2064310, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2071660)
   Call: (209) [system] peek_char((0x560c892e10d0), _2072594)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_2077314, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_2078246, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2085596)
   Call: (210) [system] peek_char((0x560c892e10d0), _2086530)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_2091250, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_2092182, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x560c892e10d0), a)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _6358)
   Call: (211) [system] peek_char((0x560c892e10d0), _7292)
   Exit: (211) [system] peek_char((0x560c892e10d0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_12012, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_12944, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x560c892e10d0), t)
   Exit: (211) [system] get_char((0x560c892e10d0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _20294)
   Call: (212) [system] peek_char((0x560c892e10d0), _21228)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_25948, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_26880, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _34230)
   Call: (213) [system] peek_char((0x560c892e10d0), _35164)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_39884, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_40816, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _48166)
   Call: (214) [system] peek_char((0x560c892e10d0), _49100)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_53820, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_54752, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _62102)
   Call: (215) [system] peek_char((0x560c892e10d0), _63036)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _62102=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _48166=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (213) [system] _34230=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (212) [system] _20294=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (211) [system] _6358=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (210) [system] _3698=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (209) [system] _3694=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (208) [system] _3690=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (207) [system] _3686=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _3682=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _3678=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3674)
^  Call: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _100260)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_101212, _101214), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _100260), _101194, fail)), '$restore_trace'(_101212, _101214))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_101212, _101214))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _100260), _101194, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_100260)
   Fail: (206) [system] atomic(_100260)
   Call: (206) [system] atom_chars(_100260, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (205) [system] integer('Implication')
   Fail: (205) [system] integer('Implication')
   Call: (205) [system] _3674='Implication'
   Exit: (205) [system] 'Implication'='Implication'
^  Exit: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _115210)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _117068)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _126662)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _129366)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _146300)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _151870)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _153728)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _169738)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _151870)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _175308)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _191318)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _196888)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _198746)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _214756)
   Exit: (206) [system] get_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', _196888)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _232398)
   Call: (208) [system] peek_char((0x560c892e10d0), _233332)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_238052, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_238984, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _246334)
   Call: (209) [system] peek_char((0x560c892e10d0), _247268)
   Exit: (209) [system] peek_char((0x560c892e10d0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_251988, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_252920, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x560c892e10d0), d)
   Exit: (209) [system] get_char((0x560c892e10d0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _260270)
   Call: (210) [system] peek_char((0x560c892e10d0), _261204)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_265924, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_266856, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x560c892e10d0), 'L')
   Exit: (210) [system] get_char((0x560c892e10d0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _274206)
   Call: (211) [system] peek_char((0x560c892e10d0), _275140)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_279860, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_280792, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _288142)
   Call: (212) [system] peek_char((0x560c892e10d0), _289076)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_293796, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_294728, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _302078)
   Call: (213) [system] peek_char((0x560c892e10d0), _303012)
   Exit: (213) [system] peek_char((0x560c892e10d0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_307732, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_308664, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x560c892e10d0), k)
   Exit: (213) [system] get_char((0x560c892e10d0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _316014)
   Call: (214) [system] peek_char((0x560c892e10d0), _316948)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _316014=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _302078=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (212) [system] _288142=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (211) [system] _274206=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (210) [system] _260270=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (209) [system] _246334=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (208) [system] _232398=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _196888)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _342996)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_343948, _343950), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _342996), _343930, fail)), '$restore_trace'(_343948, _343950))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_343948, _343950))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _342996), _343930, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_342996)
   Fail: (209) [system] atomic(_342996)
   Call: (209) [system] atom_chars(_342996, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _196888='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _357946)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _359804)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _369398)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _372102)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _389036)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _394606)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _396464)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _412474)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _394606)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _430116)
   Call: (209) [system] peek_char((0x560c892e10d0), _431050)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _430116=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq(['A'], _394606)
^  Call: (209) [user] classify_and_convert_charseq_(['A'], _440334)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_441286, _441288), once(user:catch(read_from_chars(['A'], _440334), _441268, fail)), '$restore_trace'(_441286, _441288))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_441286, _441288))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _440334), _441268, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_440334)
   Fail: (210) [system] atomic(_440334)
   Call: (210) [system] atom_chars(_440334, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (209) [system] integer('A')
   Fail: (209) [system] integer('A')
   Call: (209) [system] _394606='A'
   Exit: (209) [system] 'A'='A'
^  Exit: (208) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _455284)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _457142)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _466736)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _469440)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _486374)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _491944)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _493802)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _509812)
   Exit: (208) [system] get_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'B', _491944)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _527454)
   Call: (210) [system] peek_char((0x560c892e10d0), _528388)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_533108, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _527454=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['B'], _491944)
^  Call: (210) [user] classify_and_convert_charseq_(['B'], _539544)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_540496, _540498), once(user:catch(read_from_chars(['B'], _539544), _540478, fail)), '$restore_trace'(_540496, _540498))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_540496, _540498))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _539544), _540478, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_539544)
   Fail: (211) [system] atomic(_539544)
   Call: (211) [system] atom_chars(_539544, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (210) [system] integer('B')
   Fail: (210) [system] integer('B')
   Call: (210) [system] _491944='B'
   Exit: (210) [system] 'B'='B'
^  Exit: (209) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _554494)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _556352)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _572362)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _576152)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _554494=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _455284=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (206) [system] _357946=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (205) [system] _151870=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _590034)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _591892)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _601486)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _604190)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _621124)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _626694)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _628552)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _644562)
   Exit: (205) [system] get_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', _626694)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _662204)
   Call: (207) [system] peek_char((0x560c892e10d0), _663138)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_667858, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _662204=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq(['C'], _626694)
^  Call: (207) [user] classify_and_convert_charseq_(['C'], _674294)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_675246, _675248), once(user:catch(read_from_chars(['C'], _674294), _675228, fail)), '$restore_trace'(_675246, _675248))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_675246, _675248))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _674294), _675228, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_674294)
   Fail: (208) [system] atomic(_674294)
   Call: (208) [system] atom_chars(_674294, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (207) [system] integer('C')
   Fail: (207) [system] integer('C')
   Call: (207) [system] _626694='C'
   Exit: (207) [system] 'C'='C'
^  Exit: (206) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _689244)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _691102)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _707112)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _710902)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _689244=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _590034=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (203) [system] _115210=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _3668=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _724784)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _726642)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _736236)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _738940)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _755874)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _761444)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _763302)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _779312)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _761444)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _784882)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _800892)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _806462)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _808320)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _824330)
   Exit: (204) [system] get_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', _806462)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _841972)
   Call: (206) [system] peek_char((0x560c892e10d0), _842906)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_847626, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_848558, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _855908)
   Call: (207) [system] peek_char((0x560c892e10d0), _856842)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_861562, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_862494, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _869844)
   Call: (208) [system] peek_char((0x560c892e10d0), _870778)
   Exit: (208) [system] peek_char((0x560c892e10d0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_875498, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_876430, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x560c892e10d0), l)
   Exit: (208) [system] get_char((0x560c892e10d0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _883780)
   Call: (209) [system] peek_char((0x560c892e10d0), _884714)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_889434, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_890366, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _897716)
   Call: (210) [system] peek_char((0x560c892e10d0), _898650)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_903370, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_904302, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _911652)
   Call: (211) [system] peek_char((0x560c892e10d0), _912586)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_917306, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_918238, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x560c892e10d0), a)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _925588)
   Call: (212) [system] peek_char((0x560c892e10d0), _926522)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_931242, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_932174, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _939524)
   Call: (213) [system] peek_char((0x560c892e10d0), _940458)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_945178, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_946110, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _953460)
   Call: (214) [system] peek_char((0x560c892e10d0), _954394)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_959114, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_960046, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _967396)
   Call: (215) [system] peek_char((0x560c892e10d0), _968330)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_973050, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_973982, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _981332)
   Call: (216) [system] peek_char((0x560c892e10d0), _982266)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _981332=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _967396=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (214) [system] _953460=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (213) [system] _939524=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (212) [system] _925588=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (211) [system] _911652=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (210) [system] _897716=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (209) [system] _883780=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (208) [system] _869844=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _855908=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _841972=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _806462)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1019490)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1020442, _1020444), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1019490), _1020424, fail)), '$restore_trace'(_1020442, _1020444))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1020442, _1020444))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1019490), _1020424, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1019490)
   Fail: (207) [system] atomic(_1019490)
   Call: (207) [system] atom_chars(_1019490, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _806462='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1034440)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1036298)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1045892)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1048596)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1065530)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1071100)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1072958)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1088968)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1071100)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1094538)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1110548)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1116118)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1117976)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1133986)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1116118)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1151628)
   Call: (209) [system] peek_char((0x560c892e10d0), _1152562)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1157282, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1158214, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1165564)
   Call: (210) [system] peek_char((0x560c892e10d0), _1166498)
   Exit: (210) [system] peek_char((0x560c892e10d0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1171218, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1172150, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x560c892e10d0), d)
   Exit: (210) [system] get_char((0x560c892e10d0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1179500)
   Call: (211) [system] peek_char((0x560c892e10d0), _1180434)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1185154, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1186086, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1193436)
   Call: (212) [system] peek_char((0x560c892e10d0), _1194370)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1199090, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1200022, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1207372)
   Call: (213) [system] peek_char((0x560c892e10d0), _1208306)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1213026, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1213958, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1221308)
   Call: (214) [system] peek_char((0x560c892e10d0), _1222242)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1226962, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1227894, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1235244)
   Call: (215) [system] peek_char((0x560c892e10d0), _1236178)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1235244=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1221308=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _1207372=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _1193436=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _1179500=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _1165564=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (209) [system] _1151628=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1116118)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1262226)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1263178, _1263180), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1262226), _1263160, fail)), '$restore_trace'(_1263178, _1263180))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1263178, _1263180))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1262226), _1263160, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1262226)
   Fail: (210) [system] atomic(_1262226)
   Call: (210) [system] atom_chars(_1262226, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _1116118='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1277176)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1279034)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1288628)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1291332)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1308266)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1313836)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1315694)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1331704)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1313836)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1349346)
   Call: (210) [system] peek_char((0x560c892e10d0), _1350280)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1349346=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1313836)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1359564)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1360516, _1360518), once(user:catch(read_from_chars(['A'], _1359564), _1360498, fail)), '$restore_trace'(_1360516, _1360518))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1360516, _1360518))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1359564), _1360498, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1359564)
   Fail: (211) [system] atomic(_1359564)
   Call: (211) [system] atom_chars(_1359564, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1313836='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1374514)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1376372)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1385966)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1388670)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1405604)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1411174)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1413032)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1429042)
   Exit: (209) [system] get_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1411174)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1446684)
   Call: (211) [system] peek_char((0x560c892e10d0), _1447618)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1452338, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1446684=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1411174)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1458774)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1459726, _1459728), once(user:catch(read_from_chars(['B'], _1458774), _1459708, fail)), '$restore_trace'(_1459726, _1459728))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1459726, _1459728))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1458774), _1459708, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1458774)
   Fail: (212) [system] atomic(_1458774)
   Call: (212) [system] atom_chars(_1458774, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1411174='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1473724)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1475582)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1491592)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1495382)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1473724=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _1374514=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (207) [system] _1277176=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (206) [system] _1071100=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1509264)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1511122)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1520716)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1523420)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1540354)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1545924)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1547782)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1563792)
   Exit: (206) [system] get_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1545924)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1581434)
   Call: (208) [system] peek_char((0x560c892e10d0), _1582368)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1587088, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1581434=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _1545924)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _1593524)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1594476, _1594478), once(user:catch(read_from_chars(['C'], _1593524), _1594458, fail)), '$restore_trace'(_1594476, _1594478))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1594476, _1594478))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1593524), _1594458, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1593524)
   Fail: (209) [system] atomic(_1593524)
   Call: (209) [system] atom_chars(_1593524, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _1545924='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1608474)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1610332)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1626342)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _1630132)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _1608474=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _1509264=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (204) [system] _1034440=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _761444=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1644014)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1645872)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1661882)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1665672)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1644014=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _724784=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3664=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3656=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1679554)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1681412)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1697422)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1701212)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1679554=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _3652=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3628=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3620=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1715094)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1716952)
   Exit: (195) [system] peek_char((0x560c892e10d0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x560c892e10d0), _1728402)
   Exit: (195) [system] get_char((0x560c892e10d0), '\n')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1731106)
   Exit: (196) [system] peek_char((0x560c892e10d0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
   Call: (196) [system] '\t'=(/)
   Fail: (196) [system] '\t'=(/)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x560c892e10d0), _1740700)
   Exit: (196) [system] get_char((0x560c892e10d0), '\t')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1743404)
   Exit: (197) [system] peek_char((0x560c892e10d0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x560c892e10d0), _1752998)
   Exit: (197) [system] get_char((0x560c892e10d0), '\t')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1755702)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1765296)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1768000)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1787706)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1793276)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1795134)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1811144)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1793276)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1816714)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1832724)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1838294)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1840152)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1856162)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _1838294)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873804)
   Call: (199) [system] peek_char((0x560c892e10d0), _1874738)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1873804=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1838294)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1884022)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1884974, _1884976), once(user:catch(read_from_chars([:], _1884022), _1884956, fail)), '$restore_trace'(_1884974, _1884976))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1884974, _1884976))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1884956, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1838294=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1897102)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1898960)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1908554)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1911258)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1928192)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1933762)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1935620)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1951630)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1933762)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1957200)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1973210)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1978780)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1980638)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1996648)
   Exit: (200) [system] get_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1978780)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _2014290)
   Call: (202) [system] peek_char((0x560c892e10d0), _2015224)
   Exit: (202) [system] peek_char((0x560c892e10d0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_2019944, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_2020876, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x560c892e10d0), o)
   Exit: (202) [system] get_char((0x560c892e10d0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _2028226)
   Call: (203) [system] peek_char((0x560c892e10d0), _2029160)
   Exit: (203) [system] peek_char((0x560c892e10d0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_2033880, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_2034812, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x560c892e10d0), n)
   Exit: (203) [system] get_char((0x560c892e10d0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _2042162)
   Call: (204) [system] peek_char((0x560c892e10d0), _2043096)
   Exit: (204) [system] peek_char((0x560c892e10d0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_2047816, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_2048748, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x560c892e10d0), j)
   Exit: (204) [system] get_char((0x560c892e10d0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2056098)
   Call: (205) [system] peek_char((0x560c892e10d0), _2057032)
   Exit: (205) [system] peek_char((0x560c892e10d0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_2061752, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_2062684, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x560c892e10d0), u)
   Exit: (205) [system] get_char((0x560c892e10d0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2070034)
   Call: (206) [system] peek_char((0x560c892e10d0), _2070968)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_2075688, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_2076620, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083970)
   Call: (207) [system] peek_char((0x560c892e10d0), _2084904)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_2089624, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_2090556, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _4694)
   Call: (208) [system] peek_char((0x560c892e10d0), _5628)
   Exit: (208) [system] peek_char((0x560c892e10d0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_10348, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_11280, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x560c892e10d0), t)
   Exit: (208) [system] get_char((0x560c892e10d0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _18630)
   Call: (209) [system] peek_char((0x560c892e10d0), _19564)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_24284, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_25216, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _32566)
   Call: (210) [system] peek_char((0x560c892e10d0), _33500)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_38220, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_39152, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _46502)
   Call: (211) [system] peek_char((0x560c892e10d0), _47436)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_52156, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_53088, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _60438)
   Call: (212) [system] peek_char((0x560c892e10d0), _61372)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_66092, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_67024, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x560c892e10d0), 'I')
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _74374)
   Call: (213) [system] peek_char((0x560c892e10d0), _75308)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_80028, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_80960, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _88310)
   Call: (214) [system] peek_char((0x560c892e10d0), _89244)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_93964, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_94896, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _102246)
   Call: (215) [system] peek_char((0x560c892e10d0), _103180)
   Exit: (215) [system] peek_char((0x560c892e10d0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_107900, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_108832, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x560c892e10d0), r)
   Exit: (215) [system] get_char((0x560c892e10d0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _116182)
   Call: (216) [system] peek_char((0x560c892e10d0), _117116)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_121836, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_122768, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _130118)
   Call: (217) [system] peek_char((0x560c892e10d0), _131052)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_135772, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_136704, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _144054)
   Call: (218) [system] peek_char((0x560c892e10d0), _144988)
   Exit: (218) [system] peek_char((0x560c892e10d0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_149708, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_150640, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x560c892e10d0), u)
   Exit: (218) [system] get_char((0x560c892e10d0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _157990)
   Call: (219) [system] peek_char((0x560c892e10d0), _158924)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_163644, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_164576, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _171926)
   Call: (220) [system] peek_char((0x560c892e10d0), _172860)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_177580, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_178512, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _185862)
   Call: (221) [system] peek_char((0x560c892e10d0), _186796)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_191516, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_192448, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _199798)
   Call: (222) [system] peek_char((0x560c892e10d0), _200732)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_205452, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_206384, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _213734)
   Call: (223) [system] peek_char((0x560c892e10d0), _214668)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_219388, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_220320, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _227670)
   Call: (224) [system] peek_char((0x560c892e10d0), _228604)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _227670=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _213734=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _199798=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _185862=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _171926=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _157990=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (218) [system] _144054=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (217) [system] _130118=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (216) [system] _116182=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _102246=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _88310=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _74374=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _60438=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _46502=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _32566=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _18630=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4694=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3794=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3790=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3786=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3782=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3778=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _3774=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3770)
^  Call: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299356)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_300308, _300310), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299356), _300290, fail)), '$restore_trace'(_300308, _300310))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_300308, _300310))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299356), _300290, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_299356)
   Fail: (203) [system] atomic(_299356)
   Call: (203) [system] atom_chars(_299356, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (202) [system] integer('ConjunctionIntroduction')
   Fail: (202) [system] integer('ConjunctionIntroduction')
   Call: (202) [system] _3770='ConjunctionIntroduction'
   Exit: (202) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _314306)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _316164)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _325758)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _328462)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _345396)
   Exit: (200) [system] peek_char((0x560c892e10d0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _350966)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _352824)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _368834)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), a, _350966)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _386476)
   Call: (203) [system] peek_char((0x560c892e10d0), _387410)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_392130, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_393062, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _400412)
   Call: (204) [system] peek_char((0x560c892e10d0), _401346)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_406066, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_406998, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _414348)
   Call: (205) [system] peek_char((0x560c892e10d0), _415282)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _414348=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _400412=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (203) [system] _386476=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _350966)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _430154)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_431106, _431108), once(user:catch(read_from_chars([a, b, c], _430154), _431088, fail)), '$restore_trace'(_431106, _431108))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_431106, _431108))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _431088, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _350966=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _443234)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _445092)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _454686)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _457390)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
   Call: (203) [system] c=(/)
   Fail: (203) [system] c=(/)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _474324)
   Exit: (201) [system] peek_char((0x560c892e10d0), c)
   Call: (201) [system] c=')'
   Fail: (201) [system] c=')'
   Call: (201) [system] c=end_of_file
   Fail: (201) [system] c=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _479894)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _481752)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
   Call: (203) [system] c=(/)
   Fail: (203) [system] c=(/)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _497762)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c='('
   Fail: (202) [system] c='('
   Call: (202) [system] c='['
   Fail: (202) [system] c='['
   Call: (202) [system] c='{'
   Fail: (202) [system] c='{'
   Call: (202) [system] c='"'
   Fail: (202) [system] c='"'
   Call: (202) [system] c=!
   Fail: (202) [system] c=!
   Call: (202) [system] c='\''
   Fail: (202) [system] c='\''
   Call: (202) [system] c='`'
   Fail: (202) [system] c='`'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), c, _479894)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _515404)
   Call: (204) [system] peek_char((0x560c892e10d0), _516338)
   Exit: (204) [system] peek_char((0x560c892e10d0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_521058, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_521990, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x560c892e10d0), d)
   Exit: (204) [system] get_char((0x560c892e10d0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _529340)
   Call: (205) [system] peek_char((0x560c892e10d0), _530274)
   Exit: (205) [system] peek_char((0x560c892e10d0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_534994, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_535926, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x560c892e10d0), e)
   Exit: (205) [system] get_char((0x560c892e10d0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _543276)
   Call: (206) [system] peek_char((0x560c892e10d0), _544210)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_548930, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _543276=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _529340=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (204) [system] _515404=[d, e]
   Exit: (204) [system] [d, e]=[d, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (203) [user] classify_and_convert_charseq([c, d, e], _479894)
^  Call: (204) [user] classify_and_convert_charseq_([c, d, e], _560954)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_561906, _561908), once(user:catch(read_from_chars([c, d, e], _560954), _561888, fail)), '$restore_trace'(_561906, _561908))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_561906, _561908))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _561888, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(cde)
   Exit: (205) [system] atomic(cde)
^  Exit: (204) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (204) [system] integer(cde)
   Fail: (204) [system] integer(cde)
   Call: (204) [system] _479894=cde
   Exit: (204) [system] cde=cde
^  Exit: (203) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _574034)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _575892)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _591902)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _595692)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _574034=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _443234=[cde]
   Exit: (201) [system] [cde]=[cde]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (200) [system] _314306=[abc, cde]
   Exit: (200) [system] [abc, cde]=[abc, cde]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [abc, cde])
   Call: (199) [system] _3764=['ConjunctionIntroduction', abc, cde]
   Exit: (199) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, cde])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, cde])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _609574)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _611432)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _621026)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _623730)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _640664)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _646234)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _648092)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _664102)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _646234)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _669672)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _685682)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _691252)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _693110)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _709120)
   Exit: (201) [system] get_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'A', _691252)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _726762)
   Call: (203) [system] peek_char((0x560c892e10d0), _727696)
   Exit: (203) [system] peek_char((0x560c892e10d0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_732416, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_733348, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x560c892e10d0), n)
   Exit: (203) [system] get_char((0x560c892e10d0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _740698)
   Call: (204) [system] peek_char((0x560c892e10d0), _741632)
   Exit: (204) [system] peek_char((0x560c892e10d0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_746352, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_747284, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x560c892e10d0), d)
   Exit: (204) [system] get_char((0x560c892e10d0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _754634)
   Call: (205) [system] peek_char((0x560c892e10d0), _755568)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_760288, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_761220, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x560c892e10d0), 'L')
   Exit: (205) [system] get_char((0x560c892e10d0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _768570)
   Call: (206) [system] peek_char((0x560c892e10d0), _769504)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_774224, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_775156, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _782506)
   Call: (207) [system] peek_char((0x560c892e10d0), _783440)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_788160, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_789092, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _796442)
   Call: (208) [system] peek_char((0x560c892e10d0), _797376)
   Exit: (208) [system] peek_char((0x560c892e10d0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_802096, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_803028, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x560c892e10d0), k)
   Exit: (208) [system] get_char((0x560c892e10d0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _810378)
   Call: (209) [system] peek_char((0x560c892e10d0), _811312)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _810378=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _796442=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (207) [system] _782506=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (206) [system] _768570=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (205) [system] _754634=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (204) [system] _740698=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (203) [system] _726762=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _691252)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _837360)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_838312, _838314), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _837360), _838294, fail)), '$restore_trace'(_838312, _838314))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_838312, _838314))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _837360), _838294, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_837360)
   Fail: (204) [system] atomic(_837360)
   Call: (204) [system] atom_chars(_837360, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _691252='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _852310)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _854168)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _863762)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _866466)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _883400)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _888970)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _890828)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _906838)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _888970)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _912408)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _928418)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _933988)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _935846)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _951856)
   Exit: (204) [system] get_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', _933988)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _969498)
   Call: (206) [system] peek_char((0x560c892e10d0), _970432)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_975152, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_976084, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _983434)
   Call: (207) [system] peek_char((0x560c892e10d0), _984368)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_989088, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_990020, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _997370)
   Call: (208) [system] peek_char((0x560c892e10d0), _998304)
   Exit: (208) [system] peek_char((0x560c892e10d0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1003024, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1003956, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x560c892e10d0), l)
   Exit: (208) [system] get_char((0x560c892e10d0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1011306)
   Call: (209) [system] peek_char((0x560c892e10d0), _1012240)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1016960, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1017892, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1025242)
   Call: (210) [system] peek_char((0x560c892e10d0), _1026176)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1030896, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1031828, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1039178)
   Call: (211) [system] peek_char((0x560c892e10d0), _1040112)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1044832, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1045764, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x560c892e10d0), a)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1053114)
   Call: (212) [system] peek_char((0x560c892e10d0), _1054048)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1058768, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1059700, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1067050)
   Call: (213) [system] peek_char((0x560c892e10d0), _1067984)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1072704, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1073636, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1080986)
   Call: (214) [system] peek_char((0x560c892e10d0), _1081920)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1086640, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1087572, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1094922)
   Call: (215) [system] peek_char((0x560c892e10d0), _1095856)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1100576, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1101508, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1108858)
   Call: (216) [system] peek_char((0x560c892e10d0), _1109792)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1108858=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1094922=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (214) [system] _1080986=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (213) [system] _1067050=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (212) [system] _1053114=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (211) [system] _1039178=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (210) [system] _1025242=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (209) [system] _1011306=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (208) [system] _997370=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _983434=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _969498=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _933988)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1147016)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1147968, _1147970), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1147016), _1147950, fail)), '$restore_trace'(_1147968, _1147970))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1147968, _1147970))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1147016), _1147950, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1147016)
   Fail: (207) [system] atomic(_1147016)
   Call: (207) [system] atom_chars(_1147016, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _933988='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1161966)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1163824)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1173418)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1176122)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1193056)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1198626)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1200484)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1216494)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1198626)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1222064)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1238074)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1243644)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1245502)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1261512)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1243644)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1279154)
   Call: (209) [system] peek_char((0x560c892e10d0), _1280088)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1284808, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1285740, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1293090)
   Call: (210) [system] peek_char((0x560c892e10d0), _1294024)
   Exit: (210) [system] peek_char((0x560c892e10d0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1298744, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1299676, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x560c892e10d0), d)
   Exit: (210) [system] get_char((0x560c892e10d0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1307026)
   Call: (211) [system] peek_char((0x560c892e10d0), _1307960)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1312680, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1313612, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1320962)
   Call: (212) [system] peek_char((0x560c892e10d0), _1321896)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1326616, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1327548, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1334898)
   Call: (213) [system] peek_char((0x560c892e10d0), _1335832)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1340552, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1341484, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1348834)
   Call: (214) [system] peek_char((0x560c892e10d0), _1349768)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1354488, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1355420, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1362770)
   Call: (215) [system] peek_char((0x560c892e10d0), _1363704)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1362770=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1348834=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _1334898=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _1320962=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _1307026=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _1293090=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (209) [system] _1279154=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1243644)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1389752)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1390704, _1390706), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1389752), _1390686, fail)), '$restore_trace'(_1390704, _1390706))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1390704, _1390706))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1389752), _1390686, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1389752)
   Fail: (210) [system] atomic(_1389752)
   Call: (210) [system] atom_chars(_1389752, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _1243644='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1404702)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1406560)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1416154)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1418858)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1435792)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1441362)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1443220)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1459230)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1441362)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1476872)
   Call: (210) [system] peek_char((0x560c892e10d0), _1477806)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1476872=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1441362)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1487090)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1488042, _1488044), once(user:catch(read_from_chars(['A'], _1487090), _1488024, fail)), '$restore_trace'(_1488042, _1488044))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1488042, _1488044))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1487090), _1488024, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1487090)
   Fail: (211) [system] atomic(_1487090)
   Call: (211) [system] atom_chars(_1487090, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1441362='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1502040)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1503898)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1513492)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1516196)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1533130)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1538700)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1540558)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1556568)
   Exit: (209) [system] get_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1538700)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1574210)
   Call: (211) [system] peek_char((0x560c892e10d0), _1575144)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1579864, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1574210=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1538700)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1586300)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1587252, _1587254), once(user:catch(read_from_chars(['B'], _1586300), _1587234, fail)), '$restore_trace'(_1587252, _1587254))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1587252, _1587254))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1586300), _1587234, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1586300)
   Fail: (212) [system] atomic(_1586300)
   Call: (212) [system] atom_chars(_1586300, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1538700='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1601250)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1603108)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1619118)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1622908)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1601250=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _1502040=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (207) [system] _1404702=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (206) [system] _1198626=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1636790)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1638648)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1648242)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1650946)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1667880)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1673450)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1675308)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1691318)
   Exit: (206) [system] get_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1673450)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1708960)
   Call: (208) [system] peek_char((0x560c892e10d0), _1709894)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1714614, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1708960=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _1673450)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _1721050)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1722002, _1722004), once(user:catch(read_from_chars(['C'], _1721050), _1721984, fail)), '$restore_trace'(_1722002, _1722004))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1722002, _1722004))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1721050), _1721984, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1721050)
   Fail: (209) [system] atomic(_1721050)
   Call: (209) [system] atom_chars(_1721050, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _1673450='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1736000)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1737858)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1753868)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _1757658)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _1736000=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _1636790=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (204) [system] _1161966=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _888970=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1771540)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1773398)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1782992)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1785696)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1802630)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1808200)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1810058)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1826068)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1808200)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1831638)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1847648)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1853218)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1855076)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1871086)
   Exit: (205) [system] get_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1853218)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1888728)
   Call: (207) [system] peek_char((0x560c892e10d0), _1889662)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1894382, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1895314, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1902664)
   Call: (208) [system] peek_char((0x560c892e10d0), _1903598)
   Exit: (208) [system] peek_char((0x560c892e10d0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1908318, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1909250, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x560c892e10d0), p)
   Exit: (208) [system] get_char((0x560c892e10d0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1916600)
   Call: (209) [system] peek_char((0x560c892e10d0), _1917534)
   Exit: (209) [system] peek_char((0x560c892e10d0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1922254, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1923186, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x560c892e10d0), l)
   Exit: (209) [system] get_char((0x560c892e10d0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1930536)
   Call: (210) [system] peek_char((0x560c892e10d0), _1931470)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1936190, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1937122, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1944472)
   Call: (211) [system] peek_char((0x560c892e10d0), _1945406)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1950126, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1951058, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1958408)
   Call: (212) [system] peek_char((0x560c892e10d0), _1959342)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_1964062, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_1964994, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x560c892e10d0), a)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1972344)
   Call: (213) [system] peek_char((0x560c892e10d0), _1973278)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1977998, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1978930, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1986280)
   Call: (214) [system] peek_char((0x560c892e10d0), _1987214)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1991934, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1992866, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000216)
   Call: (215) [system] peek_char((0x560c892e10d0), _2001150)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2005870, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2006802, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2014152)
   Call: (216) [system] peek_char((0x560c892e10d0), _2015086)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2019806, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2020738, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2028088)
   Call: (217) [system] peek_char((0x560c892e10d0), _2029022)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2028088=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _2014152=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (215) [system] _2000216=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (214) [system] _1986280=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (213) [system] _1972344=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (212) [system] _1958408=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (211) [system] _1944472=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (210) [system] _1930536=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (209) [system] _1916600=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _1902664=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _1888728=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1853218)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2066246)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_2067198, _2067200), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2066246), _2067180, fail)), '$restore_trace'(_2067198, _2067200))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_2067198, _2067200))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2066246), _2067180, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_2066246)
   Fail: (208) [system] atomic(_2066246)
   Call: (208) [system] atom_chars(_2066246, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _1853218='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _2081196)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2083054)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _2092648)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2095352)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _19360)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _24930)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _26788)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _42798)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _24930)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _48368)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _64378)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _69948)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _71806)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _87816)
   Exit: (208) [system] get_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', _69948)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _105458)
   Call: (210) [system] peek_char((0x560c892e10d0), _106392)
   Exit: (210) [system] peek_char((0x560c892e10d0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_111112, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_112044, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x560c892e10d0), r)
   Exit: (210) [system] get_char((0x560c892e10d0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _119394)
   Call: (211) [system] peek_char((0x560c892e10d0), _120328)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_125048, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_125980, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _133330)
   Call: (212) [system] peek_char((0x560c892e10d0), _134264)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_138984, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_139916, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _147266)
   Call: (213) [system] peek_char((0x560c892e10d0), _148200)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_152920, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_153852, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _161202)
   Call: (214) [system] peek_char((0x560c892e10d0), _162136)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_166856, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_167788, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _175138)
   Call: (215) [system] peek_char((0x560c892e10d0), _176072)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _175138=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _161202=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _147266=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _133330=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _119394=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _105458=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _69948)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _199326)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_200278, _200280), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _199326), _200260, fail)), '$restore_trace'(_200278, _200280))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_200278, _200280))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _199326), _200260, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_199326)
   Fail: (211) [system] atomic(_199326)
   Call: (211) [system] atom_chars(_199326, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _69948='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _214276)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _216134)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _225728)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _228432)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _245366)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _250936)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _252794)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _268804)
   Exit: (209) [system] get_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', _250936)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _286446)
   Call: (211) [system] peek_char((0x560c892e10d0), _287380)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _286446=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['C'], _250936)
^  Call: (211) [user] classify_and_convert_charseq_(['C'], _296664)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_297616, _297618), once(user:catch(read_from_chars(['C'], _296664), _297598, fail)), '$restore_trace'(_297616, _297618))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_297616, _297618))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _296664), _297598, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_296664)
   Fail: (212) [system] atomic(_296664)
   Call: (212) [system] atom_chars(_296664, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (211) [system] integer('C')
   Fail: (211) [system] integer('C')
   Call: (211) [system] _250936='C'
   Exit: (211) [system] 'C'='C'
^  Exit: (210) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _311614)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _313472)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _323066)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _325770)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _342704)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _348274)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _350132)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _366142)
   Exit: (210) [system] get_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', _348274)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _383784)
   Call: (212) [system] peek_char((0x560c892e10d0), _384718)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_389438, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _383784=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['D'], _348274)
^  Call: (212) [user] classify_and_convert_charseq_(['D'], _395874)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_396826, _396828), once(user:catch(read_from_chars(['D'], _395874), _396808, fail)), '$restore_trace'(_396826, _396828))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_396826, _396828))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _395874), _396808, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_395874)
   Fail: (213) [system] atomic(_395874)
   Call: (213) [system] atom_chars(_395874, ['D'])
   Exit: (213) [system] atom_chars('D', ['D'])
^  Exit: (212) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (212) [system] integer('D')
   Fail: (212) [system] integer('D')
   Call: (212) [system] _348274='D'
   Exit: (212) [system] 'D'='D'
^  Exit: (211) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _410824)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _412682)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _428692)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _432482)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _410824=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _311614=['D']
   Exit: (209) [system] ['D']=['D']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (208) [system] _214276=['C', 'D']
   Exit: (208) [system] ['C', 'D']=['C', 'D']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (207) [system] _24930=['OrLink', 'C', 'D']
   Exit: (207) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _446364)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _448222)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _457816)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _460520)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
   Call: (208) [system] 'E'=(/)
   Fail: (208) [system] 'E'=(/)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _477454)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'E')
   Call: (206) [system] 'E'=')'
   Fail: (206) [system] 'E'=')'
   Call: (206) [system] 'E'=end_of_file
   Fail: (206) [system] 'E'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _483024)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _484882)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
   Call: (208) [system] 'E'=(/)
   Fail: (208) [system] 'E'=(/)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _500892)
   Exit: (207) [system] get_char((0x560c892e10d0), 'E')
   Call: (207) [system] 'E'='('
   Fail: (207) [system] 'E'='('
   Call: (207) [system] 'E'='['
   Fail: (207) [system] 'E'='['
   Call: (207) [system] 'E'='{'
   Fail: (207) [system] 'E'='{'
   Call: (207) [system] 'E'='"'
   Fail: (207) [system] 'E'='"'
   Call: (207) [system] 'E'=!
   Fail: (207) [system] 'E'=!
   Call: (207) [system] 'E'='\''
   Fail: (207) [system] 'E'='\''
   Call: (207) [system] 'E'='`'
   Fail: (207) [system] 'E'='`'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'E', _483024)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _518534)
   Call: (209) [system] peek_char((0x560c892e10d0), _519468)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_524188, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _518534=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq(['E'], _483024)
^  Call: (209) [user] classify_and_convert_charseq_(['E'], _530624)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_531576, _531578), once(user:catch(read_from_chars(['E'], _530624), _531558, fail)), '$restore_trace'(_531576, _531578))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_531576, _531578))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _530624), _531558, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_530624)
   Fail: (210) [system] atomic(_530624)
   Call: (210) [system] atom_chars(_530624, ['E'])
   Exit: (210) [system] atom_chars('E', ['E'])
^  Exit: (209) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (209) [system] integer('E')
   Fail: (209) [system] integer('E')
   Call: (209) [system] _483024='E'
   Exit: (209) [system] 'E'='E'
^  Exit: (208) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _545574)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _547432)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _563442)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _567232)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _545574=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _446364=['E']
   Exit: (206) [system] ['E']=['E']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (205) [system] _3850=[['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (204) [system] _3842=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (204) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _581114)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _582972)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _598982)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _602772)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _581114=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _3838=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3796=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (200) [system] _3788=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (200) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _616654)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _618512)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _634522)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _638312)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _616654=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _3784=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3760=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (196) [system] _3752=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (196) [system] [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _652194)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _654052)
   Exit: (196) [system] peek_char((0x560c892e10d0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x560c892e10d0), _665502)
   Exit: (196) [system] get_char((0x560c892e10d0), '\n')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _668206)
   Exit: (197) [system] peek_char((0x560c892e10d0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x560c892e10d0), _677800)
   Exit: (197) [system] get_char((0x560c892e10d0), '\t')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _680504)
   Exit: (198) [system] peek_char((0x560c892e10d0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x560c892e10d0), _690098)
   Exit: (198) [system] get_char((0x560c892e10d0), '\t')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _692802)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _702396)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _705100)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _724806)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _730376)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _732234)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _748244)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _730376)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _753814)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _769824)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _775394)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _777252)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _793262)
   Exit: (198) [system] get_char((0x560c892e10d0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), :, _775394)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _810904)
   Call: (200) [system] peek_char((0x560c892e10d0), _811838)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _810904=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _775394)
^  Call: (200) [user] classify_and_convert_charseq_([:], _821122)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_822074, _822076), once(user:catch(read_from_chars([:], _821122), _822056, fail)), '$restore_trace'(_822074, _822076))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_822074, _822076))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _822056, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _775394=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _834202)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _836060)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _845654)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _848358)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _865292)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _870862)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _872720)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _888730)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _870862)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _894300)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _910310)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _915880)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _917738)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _933748)
   Exit: (201) [system] get_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'C', _915880)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _951390)
   Call: (203) [system] peek_char((0x560c892e10d0), _952324)
   Exit: (203) [system] peek_char((0x560c892e10d0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_957044, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_957976, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x560c892e10d0), o)
   Exit: (203) [system] get_char((0x560c892e10d0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _965326)
   Call: (204) [system] peek_char((0x560c892e10d0), _966260)
   Exit: (204) [system] peek_char((0x560c892e10d0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_970980, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_971912, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x560c892e10d0), n)
   Exit: (204) [system] get_char((0x560c892e10d0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _979262)
   Call: (205) [system] peek_char((0x560c892e10d0), _980196)
   Exit: (205) [system] peek_char((0x560c892e10d0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_984916, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_985848, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x560c892e10d0), j)
   Exit: (205) [system] get_char((0x560c892e10d0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _993198)
   Call: (206) [system] peek_char((0x560c892e10d0), _994132)
   Exit: (206) [system] peek_char((0x560c892e10d0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_998852, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_999784, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x560c892e10d0), u)
   Exit: (206) [system] get_char((0x560c892e10d0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1007134)
   Call: (207) [system] peek_char((0x560c892e10d0), _1008068)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1012788, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1013720, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1021070)
   Call: (208) [system] peek_char((0x560c892e10d0), _1022004)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1026724, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1027656, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x560c892e10d0), c)
   Exit: (208) [system] get_char((0x560c892e10d0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1035006)
   Call: (209) [system] peek_char((0x560c892e10d0), _1035940)
   Exit: (209) [system] peek_char((0x560c892e10d0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_1040660, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_1041592, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x560c892e10d0), t)
   Exit: (209) [system] get_char((0x560c892e10d0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1048942)
   Call: (210) [system] peek_char((0x560c892e10d0), _1049876)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1054596, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1055528, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1062878)
   Call: (211) [system] peek_char((0x560c892e10d0), _1063812)
   Exit: (211) [system] peek_char((0x560c892e10d0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1068532, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1069464, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x560c892e10d0), o)
   Exit: (211) [system] get_char((0x560c892e10d0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1076814)
   Call: (212) [system] peek_char((0x560c892e10d0), _1077748)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1082468, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1083400, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1090750)
   Call: (213) [system] peek_char((0x560c892e10d0), _1091684)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1096404, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_1097336, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x560c892e10d0), 'I')
   Exit: (213) [system] get_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104686)
   Call: (214) [system] peek_char((0x560c892e10d0), _1105620)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1110340, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1111272, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118622)
   Call: (215) [system] peek_char((0x560c892e10d0), _1119556)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1124276, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1125208, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132558)
   Call: (216) [system] peek_char((0x560c892e10d0), _1133492)
   Exit: (216) [system] peek_char((0x560c892e10d0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1138212, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1139144, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x560c892e10d0), r)
   Exit: (216) [system] get_char((0x560c892e10d0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146494)
   Call: (217) [system] peek_char((0x560c892e10d0), _1147428)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1152148, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1153080, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160430)
   Call: (218) [system] peek_char((0x560c892e10d0), _1161364)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1166084, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1167016, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174366)
   Call: (219) [system] peek_char((0x560c892e10d0), _1175300)
   Exit: (219) [system] peek_char((0x560c892e10d0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1180020, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1180952, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x560c892e10d0), u)
   Exit: (219) [system] get_char((0x560c892e10d0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188302)
   Call: (220) [system] peek_char((0x560c892e10d0), _1189236)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1193956, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1194888, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202238)
   Call: (221) [system] peek_char((0x560c892e10d0), _1203172)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1207892, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1208824, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216174)
   Call: (222) [system] peek_char((0x560c892e10d0), _1217108)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1221828, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1222760, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230110)
   Call: (223) [system] peek_char((0x560c892e10d0), _1231044)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1235764, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1236696, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1244046)
   Call: (224) [system] peek_char((0x560c892e10d0), _1244980)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1249700, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1250632, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257982)
   Call: (225) [system] peek_char((0x560c892e10d0), _1258916)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1257982=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1244046=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (223) [system] _1230110=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (222) [system] _1216174=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (221) [system] _1202238=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (220) [system] _1188302=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (219) [system] _1174366=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (218) [system] _1160430=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (217) [system] _1146494=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1132558=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1118622=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1104686=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1090750=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1076814=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1062878=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1048942=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1035006=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1021070=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1007134=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _993198=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _979262=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _965326=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _951390=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _915880)
^  Call: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329668)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1330620, _1330622), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329668), _1330602, fail)), '$restore_trace'(_1330620, _1330622))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1330620, _1330622))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329668), _1330602, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1329668)
   Fail: (204) [system] atomic(_1329668)
   Call: (204) [system] atom_chars(_1329668, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (203) [system] integer('ConjunctionIntroduction')
   Fail: (203) [system] integer('ConjunctionIntroduction')
   Call: (203) [system] _915880='ConjunctionIntroduction'
   Exit: (203) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1344618)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1346476)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1356070)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1358774)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1375708)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1381278)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1383136)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1399146)
   Exit: (202) [system] get_char((0x560c892e10d0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), a, _1381278)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1416788)
   Call: (204) [system] peek_char((0x560c892e10d0), _1417722)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1422442, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1423374, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1430724)
   Call: (205) [system] peek_char((0x560c892e10d0), _1431658)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1436378, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1437310, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1444660)
   Call: (206) [system] peek_char((0x560c892e10d0), _1445594)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1444660=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1430724=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (204) [system] _1416788=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _1381278)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _1460466)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1461418, _1461420), once(user:catch(read_from_chars([a, b, c], _1460466), _1461400, fail)), '$restore_trace'(_1461418, _1461420))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1461418, _1461420))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1461400, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _1381278=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1473546)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1475404)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1484998)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1487702)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1504636)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1510206)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1512064)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1528074)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), a, _1510206)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1545716)
   Call: (205) [system] peek_char((0x560c892e10d0), _1546650)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1551370, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1545716=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq([a], _1510206)
^  Call: (205) [user] classify_and_convert_charseq_([a], _1557806)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1558758, _1558760), once(user:catch(read_from_chars([a], _1557806), _1558740, fail)), '$restore_trace'(_1558758, _1558760))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1558758, _1558760))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1558740, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq_([a], a)
   Call: (205) [system] integer(a)
   Fail: (205) [system] integer(a)
   Call: (205) [system] _1510206=a
   Exit: (205) [system] a=a
^  Exit: (204) [user] classify_and_convert_charseq([a], a)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1570886)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1572744)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1588754)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1592544)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1570886=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1473546=[a]
   Exit: (202) [system] [a]=[a]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (201) [system] _1344618=[abc, a]
   Exit: (201) [system] [abc, a]=[abc, a]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (200) [system] _870862=['ConjunctionIntroduction', abc, a]
   Exit: (200) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1606426)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1608284)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1617878)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1620582)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1637516)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1643086)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1644944)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1660954)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1643086)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1666524)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1682534)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1688104)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1689962)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1705972)
   Exit: (202) [system] get_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1688104)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1723614)
   Call: (204) [system] peek_char((0x560c892e10d0), _1724548)
   Exit: (204) [system] peek_char((0x560c892e10d0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1729268, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1730200, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x560c892e10d0), n)
   Exit: (204) [system] get_char((0x560c892e10d0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1737550)
   Call: (205) [system] peek_char((0x560c892e10d0), _1738484)
   Exit: (205) [system] peek_char((0x560c892e10d0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1743204, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1744136, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x560c892e10d0), d)
   Exit: (205) [system] get_char((0x560c892e10d0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1751486)
   Call: (206) [system] peek_char((0x560c892e10d0), _1752420)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1757140, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1758072, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x560c892e10d0), 'L')
   Exit: (206) [system] get_char((0x560c892e10d0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1765422)
   Call: (207) [system] peek_char((0x560c892e10d0), _1766356)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1771076, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1772008, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1779358)
   Call: (208) [system] peek_char((0x560c892e10d0), _1780292)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1785012, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1785944, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1793294)
   Call: (209) [system] peek_char((0x560c892e10d0), _1794228)
   Exit: (209) [system] peek_char((0x560c892e10d0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1798948, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1799880, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x560c892e10d0), k)
   Exit: (209) [system] get_char((0x560c892e10d0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1807230)
   Call: (210) [system] peek_char((0x560c892e10d0), _1808164)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1807230=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1793294=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (208) [system] _1779358=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (207) [system] _1765422=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (206) [system] _1751486=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (205) [system] _1737550=[d, 'L', i, n, k]
   Exit: (205) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (204) [system] _1723614=[n, d, 'L', i, n, k]
   Exit: (204) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1688104)
^  Call: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1834212)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1835164, _1835166), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1834212), _1835146, fail)), '$restore_trace'(_1835164, _1835166))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1835164, _1835166))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1834212), _1835146, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1834212)
   Fail: (205) [system] atomic(_1834212)
   Call: (205) [system] atom_chars(_1834212, ['A', n, d, 'L', i, n, k])
   Exit: (205) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (204) [system] integer('AndLink')
   Fail: (204) [system] integer('AndLink')
   Call: (204) [system] _1688104='AndLink'
   Exit: (204) [system] 'AndLink'='AndLink'
^  Exit: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1849162)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1851020)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1860614)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1863318)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1880252)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1885822)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1887680)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1903690)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1885822)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1909260)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1925270)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1930840)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1932698)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1948708)
   Exit: (205) [system] get_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1930840)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1966350)
   Call: (207) [system] peek_char((0x560c892e10d0), _1967284)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1972004, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1972936, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1980286)
   Call: (208) [system] peek_char((0x560c892e10d0), _1981220)
   Exit: (208) [system] peek_char((0x560c892e10d0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1985940, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1986872, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x560c892e10d0), p)
   Exit: (208) [system] get_char((0x560c892e10d0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1994222)
   Call: (209) [system] peek_char((0x560c892e10d0), _1995156)
   Exit: (209) [system] peek_char((0x560c892e10d0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1999876, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_2000808, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x560c892e10d0), l)
   Exit: (209) [system] get_char((0x560c892e10d0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2008158)
   Call: (210) [system] peek_char((0x560c892e10d0), _2009092)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_2013812, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_2014744, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2022094)
   Call: (211) [system] peek_char((0x560c892e10d0), _2023028)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_2027748, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_2028680, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2036030)
   Call: (212) [system] peek_char((0x560c892e10d0), _2036964)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_2041684, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_2042616, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x560c892e10d0), a)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2049966)
   Call: (213) [system] peek_char((0x560c892e10d0), _2050900)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2055620, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2056552, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2063902)
   Call: (214) [system] peek_char((0x560c892e10d0), _2064836)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2069556, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2070488, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2077838)
   Call: (215) [system] peek_char((0x560c892e10d0), _2078772)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2083492, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2084424, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2091774)
   Call: (216) [system] peek_char((0x560c892e10d0), _2092708)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_4644, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_5576, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _12926)
   Call: (217) [system] peek_char((0x560c892e10d0), _13860)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _12926=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _3978=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (215) [system] _3974=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (214) [system] _3970=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (213) [system] _3966=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (212) [system] _3962=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (211) [system] _3958=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (210) [system] _3954=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (209) [system] _3950=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _3946=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _3942=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3938)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _51084)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_52036, _52038), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _51084), _52018, fail)), '$restore_trace'(_52036, _52038))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_52036, _52038))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _51084), _52018, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_51084)
   Fail: (208) [system] atomic(_51084)
   Call: (208) [system] atom_chars(_51084, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _3938='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _66034)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _67892)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _77486)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _80190)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _97124)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _102694)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _104552)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _120562)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _102694)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _126132)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _142142)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _147712)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _149570)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _165580)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _147712)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _183222)
   Call: (210) [system] peek_char((0x560c892e10d0), _184156)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_188876, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_189808, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _197158)
   Call: (211) [system] peek_char((0x560c892e10d0), _198092)
   Exit: (211) [system] peek_char((0x560c892e10d0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_202812, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_203744, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x560c892e10d0), d)
   Exit: (211) [system] get_char((0x560c892e10d0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _211094)
   Call: (212) [system] peek_char((0x560c892e10d0), _212028)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_216748, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_217680, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _225030)
   Call: (213) [system] peek_char((0x560c892e10d0), _225964)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_230684, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_231616, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _238966)
   Call: (214) [system] peek_char((0x560c892e10d0), _239900)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_244620, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_245552, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _252902)
   Call: (215) [system] peek_char((0x560c892e10d0), _253836)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_258556, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_259488, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _266838)
   Call: (216) [system] peek_char((0x560c892e10d0), _267772)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _266838=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _252902=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _238966=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _225030=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _211094=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _197158=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (210) [system] _183222=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _147712)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _293820)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_294772, _294774), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _293820), _294754, fail)), '$restore_trace'(_294772, _294774))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_294772, _294774))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _293820), _294754, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_293820)
   Fail: (211) [system] atomic(_293820)
   Call: (211) [system] atom_chars(_293820, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _147712='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _308770)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _310628)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _320222)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _322926)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _339860)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _345430)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _347288)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _363298)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _345430)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _380940)
   Call: (211) [system] peek_char((0x560c892e10d0), _381874)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _380940=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _345430)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _391158)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_392110, _392112), once(user:catch(read_from_chars(['A'], _391158), _392092, fail)), '$restore_trace'(_392110, _392112))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_392110, _392112))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _391158), _392092, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_391158)
   Fail: (212) [system] atomic(_391158)
   Call: (212) [system] atom_chars(_391158, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _345430='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _406108)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _407966)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _417560)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _420264)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _437198)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _442768)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _444626)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _460636)
   Exit: (210) [system] get_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'B', _442768)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _478278)
   Call: (212) [system] peek_char((0x560c892e10d0), _479212)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_483932, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _478278=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _442768)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _490368)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_491320, _491322), once(user:catch(read_from_chars(['B'], _490368), _491302, fail)), '$restore_trace'(_491320, _491322))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_491320, _491322))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _490368), _491302, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_490368)
   Fail: (213) [system] atomic(_490368)
   Call: (213) [system] atom_chars(_490368, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _442768='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _505318)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _507176)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _523186)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _526976)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _505318=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _406108=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (208) [system] _308770=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (207) [system] _102694=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _540858)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _542716)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _552310)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _555014)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _571948)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _577518)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _579376)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _595386)
   Exit: (207) [system] get_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', _577518)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _613028)
   Call: (209) [system] peek_char((0x560c892e10d0), _613962)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_618682, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _613028=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _577518)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _625118)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_626070, _626072), once(user:catch(read_from_chars(['C'], _625118), _626052, fail)), '$restore_trace'(_626070, _626072))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_626070, _626072))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _625118), _626052, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_625118)
   Fail: (210) [system] atomic(_625118)
   Call: (210) [system] atom_chars(_625118, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _577518='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _640068)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _641926)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _657936)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _661726)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _640068=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _540858=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (205) [system] _66034=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _3932=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _675608)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _677466)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _687060)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _689764)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _706698)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _712268)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _714126)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _730136)
   Exit: (204) [system] get_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'A', _712268)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _747778)
   Call: (206) [system] peek_char((0x560c892e10d0), _748712)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_753432, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _747778=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq(['A'], _712268)
^  Call: (206) [user] classify_and_convert_charseq_(['A'], _759868)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_760820, _760822), once(user:catch(read_from_chars(['A'], _759868), _760802, fail)), '$restore_trace'(_760820, _760822))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_760820, _760822))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _759868), _760802, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_759868)
   Fail: (207) [system] atomic(_759868)
   Call: (207) [system] atom_chars(_759868, ['A'])
   Exit: (207) [system] atom_chars('A', ['A'])
^  Exit: (206) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (206) [system] integer('A')
   Fail: (206) [system] integer('A')
   Call: (206) [system] _712268='A'
   Exit: (206) [system] 'A'='A'
^  Exit: (205) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _774818)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _776676)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _792686)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _796476)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _774818=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _675608=['A']
   Exit: (203) [system] ['A']=['A']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (202) [system] _3928=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (201) [system] _3920=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (201) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _810358)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _812216)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _828226)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _832016)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _810358=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _3916=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3892=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (197) [system] _3884=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (197) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _845898)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _847756)
   Exit: (197) [system] peek_char((0x560c892e10d0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x560c892e10d0), _859206)
   Exit: (197) [system] get_char((0x560c892e10d0), '\n')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _861910)
   Exit: (198) [system] peek_char((0x560c892e10d0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x560c892e10d0), _871504)
   Exit: (198) [system] get_char((0x560c892e10d0), '\t')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _874208)
   Exit: (199) [system] peek_char((0x560c892e10d0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x560c892e10d0), _883802)
   Exit: (199) [system] get_char((0x560c892e10d0), '\t')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _886506)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _896100)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _898804)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _918510)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _924080)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _925938)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _941948)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _924080)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _947518)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _963528)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _969098)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _970956)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _986966)
   Exit: (199) [system] get_char((0x560c892e10d0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), :, _969098)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1004608)
   Call: (201) [system] peek_char((0x560c892e10d0), _1005542)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1004608=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _969098)
^  Call: (201) [user] classify_and_convert_charseq_([:], _1014826)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1015778, _1015780), once(user:catch(read_from_chars([:], _1014826), _1015760, fail)), '$restore_trace'(_1015778, _1015780))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1015778, _1015780))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1015760, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _969098=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1027906)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1029764)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1039358)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1042062)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1058996)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1064566)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1066424)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1082434)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1064566)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1088004)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1104014)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1109584)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1111442)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1127452)
   Exit: (202) [system] get_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1109584)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1145094)
   Call: (204) [system] peek_char((0x560c892e10d0), _1146028)
   Exit: (204) [system] peek_char((0x560c892e10d0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1150748, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1151680, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x560c892e10d0), o)
   Exit: (204) [system] get_char((0x560c892e10d0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1159030)
   Call: (205) [system] peek_char((0x560c892e10d0), _1159964)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1164684, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1165616, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172966)
   Call: (206) [system] peek_char((0x560c892e10d0), _1173900)
   Exit: (206) [system] peek_char((0x560c892e10d0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_1178620, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_1179552, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x560c892e10d0), j)
   Exit: (206) [system] get_char((0x560c892e10d0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186902)
   Call: (207) [system] peek_char((0x560c892e10d0), _1187836)
   Exit: (207) [system] peek_char((0x560c892e10d0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1192556, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1193488, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x560c892e10d0), u)
   Exit: (207) [system] get_char((0x560c892e10d0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200838)
   Call: (208) [system] peek_char((0x560c892e10d0), _1201772)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1206492, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1207424, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214774)
   Call: (209) [system] peek_char((0x560c892e10d0), _1215708)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1220428, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1221360, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228710)
   Call: (210) [system] peek_char((0x560c892e10d0), _1229644)
   Exit: (210) [system] peek_char((0x560c892e10d0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1234364, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1235296, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x560c892e10d0), t)
   Exit: (210) [system] get_char((0x560c892e10d0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242646)
   Call: (211) [system] peek_char((0x560c892e10d0), _1243580)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1248300, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1249232, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1256582)
   Call: (212) [system] peek_char((0x560c892e10d0), _1257516)
   Exit: (212) [system] peek_char((0x560c892e10d0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1262236, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1263168, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x560c892e10d0), o)
   Exit: (212) [system] get_char((0x560c892e10d0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270518)
   Call: (213) [system] peek_char((0x560c892e10d0), _1271452)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1276172, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1277104, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1284454)
   Call: (214) [system] peek_char((0x560c892e10d0), _1285388)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_1290108, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_1291040, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x560c892e10d0), 'I')
   Exit: (214) [system] get_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1298390)
   Call: (215) [system] peek_char((0x560c892e10d0), _1299324)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1304044, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1304976, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1312326)
   Call: (216) [system] peek_char((0x560c892e10d0), _1313260)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1317980, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1318912, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1326262)
   Call: (217) [system] peek_char((0x560c892e10d0), _1327196)
   Exit: (217) [system] peek_char((0x560c892e10d0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1331916, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1332848, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x560c892e10d0), r)
   Exit: (217) [system] get_char((0x560c892e10d0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1340198)
   Call: (218) [system] peek_char((0x560c892e10d0), _1341132)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1345852, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1346784, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1354134)
   Call: (219) [system] peek_char((0x560c892e10d0), _1355068)
   Exit: (219) [system] peek_char((0x560c892e10d0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1359788, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1360720, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x560c892e10d0), d)
   Exit: (219) [system] get_char((0x560c892e10d0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1368070)
   Call: (220) [system] peek_char((0x560c892e10d0), _1369004)
   Exit: (220) [system] peek_char((0x560c892e10d0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1373724, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1374656, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x560c892e10d0), u)
   Exit: (220) [system] get_char((0x560c892e10d0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382006)
   Call: (221) [system] peek_char((0x560c892e10d0), _1382940)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1387660, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1388592, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1395942)
   Call: (222) [system] peek_char((0x560c892e10d0), _1396876)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1401596, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1402528, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1409878)
   Call: (223) [system] peek_char((0x560c892e10d0), _1410812)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1415532, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1416464, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1423814)
   Call: (224) [system] peek_char((0x560c892e10d0), _1424748)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1429468, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1430400, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1437750)
   Call: (225) [system] peek_char((0x560c892e10d0), _1438684)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1443404, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1444336, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1451686)
   Call: (226) [system] peek_char((0x560c892e10d0), _1452620)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1451686=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _1437750=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (224) [system] _1423814=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (223) [system] _1409878=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (222) [system] _1395942=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (221) [system] _1382006=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (220) [system] _1368070=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (219) [system] _1354134=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (218) [system] _1340198=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _1326262=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1312326=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1298390=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1284454=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1270518=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1256582=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1242646=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1228710=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1214774=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1200838=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1186902=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1172966=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1159030=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1145094=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1109584)
^  Call: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523372)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1524324, _1524326), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523372), _1524306, fail)), '$restore_trace'(_1524324, _1524326))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1524324, _1524326))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523372), _1524306, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1523372)
   Fail: (205) [system] atomic(_1523372)
   Call: (205) [system] atom_chars(_1523372, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (204) [system] integer('ConjunctionIntroduction')
   Fail: (204) [system] integer('ConjunctionIntroduction')
   Call: (204) [system] _1109584='ConjunctionIntroduction'
   Exit: (204) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1538322)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1540180)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1549774)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1552478)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1569412)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1574982)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1576840)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1592850)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), a, _1574982)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1610492)
   Call: (205) [system] peek_char((0x560c892e10d0), _1611426)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1616146, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1617078, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1624428)
   Call: (206) [system] peek_char((0x560c892e10d0), _1625362)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1630082, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1631014, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1638364)
   Call: (207) [system] peek_char((0x560c892e10d0), _1639298)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1638364=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1624428=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (205) [system] _1610492=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq([a, b, c], _1574982)
^  Call: (205) [user] classify_and_convert_charseq_([a, b, c], _1654170)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1655122, _1655124), once(user:catch(read_from_chars([a, b, c], _1654170), _1655104, fail)), '$restore_trace'(_1655122, _1655124))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1655122, _1655124))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1655104, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (205) [system] integer(abc)
   Fail: (205) [system] integer(abc)
   Call: (205) [system] _1574982=abc
   Exit: (205) [system] abc=abc
^  Exit: (204) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1667250)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1669108)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1678702)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1681406)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1698340)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1703910)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1705768)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1721778)
   Exit: (204) [system] get_char((0x560c892e10d0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), a, _1703910)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1739420)
   Call: (206) [system] peek_char((0x560c892e10d0), _1740354)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1745074, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1739420=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq([a], _1703910)
^  Call: (206) [user] classify_and_convert_charseq_([a], _1751510)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1752462, _1752464), once(user:catch(read_from_chars([a], _1751510), _1752444, fail)), '$restore_trace'(_1752462, _1752464))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1752462, _1752464))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1752444, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(a)
   Exit: (207) [system] atomic(a)
^  Exit: (206) [user] classify_and_convert_charseq_([a], a)
   Call: (206) [system] integer(a)
   Fail: (206) [system] integer(a)
   Call: (206) [system] _1703910=a
   Exit: (206) [system] a=a
^  Exit: (205) [user] classify_and_convert_charseq([a], a)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1764590)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1766448)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1782458)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1786248)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1764590=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1667250=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (202) [system] _1538322=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (201) [system] _1064566=['ConjunctionIntroduction', abc, a]
   Exit: (201) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1800130)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1801988)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1811582)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1814286)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1831220)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1836790)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1838648)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1854658)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1836790)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1860228)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1876238)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'=')'
   Fail: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1881808)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1883666)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1899676)
   Exit: (203) [system] get_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'='('
   Fail: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Fail: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Fail: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Fail: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Fail: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Fail: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Fail: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1881808)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917318)
   Call: (205) [system] peek_char((0x560c892e10d0), _1918252)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1922972, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1923904, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931254)
   Call: (206) [system] peek_char((0x560c892e10d0), _1932188)
   Exit: (206) [system] peek_char((0x560c892e10d0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1936908, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1937840, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x560c892e10d0), d)
   Exit: (206) [system] get_char((0x560c892e10d0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1945190)
   Call: (207) [system] peek_char((0x560c892e10d0), _1946124)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1950844, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1951776, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x560c892e10d0), 'L')
   Exit: (207) [system] get_char((0x560c892e10d0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1959126)
   Call: (208) [system] peek_char((0x560c892e10d0), _1960060)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1964780, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1965712, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1973062)
   Call: (209) [system] peek_char((0x560c892e10d0), _1973996)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1978716, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1979648, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1986998)
   Call: (210) [system] peek_char((0x560c892e10d0), _1987932)
   Exit: (210) [system] peek_char((0x560c892e10d0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1992652, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1993584, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x560c892e10d0), k)
   Exit: (210) [system] get_char((0x560c892e10d0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000934)
   Call: (211) [system] peek_char((0x560c892e10d0), _2001868)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _2000934=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1986998=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (209) [system] _1973062=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (208) [system] _1959126=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (207) [system] _1945190=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (206) [system] _1931254=[d, 'L', i, n, k]
   Exit: (206) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (205) [system] _1917318=[n, d, 'L', i, n, k]
   Exit: (205) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1881808)
^  Call: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2027916)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_2028868, _2028870), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2027916), _2028850, fail)), '$restore_trace'(_2028868, _2028870))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_2028868, _2028870))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2027916), _2028850, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_2027916)
   Fail: (206) [system] atomic(_2027916)
   Call: (206) [system] atom_chars(_2027916, ['A', n, d, 'L', i, n, k])
   Exit: (206) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (205) [system] integer('AndLink')
   Fail: (205) [system] integer('AndLink')
   Call: (205) [system] _1881808='AndLink'
   Exit: (205) [system] 'AndLink'='AndLink'
^  Exit: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _2042866)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2044724)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _2054318)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2057022)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2073956)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _2079526)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2081384)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _4630)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _4028)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _10200)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _26210)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _31780)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _33638)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _49648)
   Exit: (206) [system] get_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', _31780)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _67290)
   Call: (208) [system] peek_char((0x560c892e10d0), _68224)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_72944, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_73876, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _81226)
   Call: (209) [system] peek_char((0x560c892e10d0), _82160)
   Exit: (209) [system] peek_char((0x560c892e10d0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_86880, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_87812, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x560c892e10d0), p)
   Exit: (209) [system] get_char((0x560c892e10d0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _95162)
   Call: (210) [system] peek_char((0x560c892e10d0), _96096)
   Exit: (210) [system] peek_char((0x560c892e10d0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_100816, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_101748, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x560c892e10d0), l)
   Exit: (210) [system] get_char((0x560c892e10d0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _109098)
   Call: (211) [system] peek_char((0x560c892e10d0), _110032)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_114752, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_115684, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _123034)
   Call: (212) [system] peek_char((0x560c892e10d0), _123968)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_128688, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_129620, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _136970)
   Call: (213) [system] peek_char((0x560c892e10d0), _137904)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_142624, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_143556, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x560c892e10d0), a)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _150906)
   Call: (214) [system] peek_char((0x560c892e10d0), _151840)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_156560, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_157492, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _164842)
   Call: (215) [system] peek_char((0x560c892e10d0), _165776)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_170496, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_171428, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _178778)
   Call: (216) [system] peek_char((0x560c892e10d0), _179712)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_184432, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_185364, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _192714)
   Call: (217) [system] peek_char((0x560c892e10d0), _193648)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_198368, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_199300, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _206650)
   Call: (218) [system] peek_char((0x560c892e10d0), _207584)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _206650=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _192714=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (216) [system] _178778=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (215) [system] _164842=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (214) [system] _150906=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (213) [system] _136970=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (212) [system] _123034=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (211) [system] _109098=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (210) [system] _95162=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _81226=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _67290=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _31780)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _244808)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_245760, _245762), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _244808), _245742, fail)), '$restore_trace'(_245760, _245762))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_245760, _245762))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _244808), _245742, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_244808)
   Fail: (209) [system] atomic(_244808)
   Call: (209) [system] atom_chars(_244808, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _31780='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _259758)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _261616)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _271210)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _273914)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _290848)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _296418)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _298276)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _314286)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _296418)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _319856)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _335866)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _341436)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _343294)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _359304)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _341436)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _376946)
   Call: (211) [system] peek_char((0x560c892e10d0), _377880)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_382600, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_383532, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _390882)
   Call: (212) [system] peek_char((0x560c892e10d0), _391816)
   Exit: (212) [system] peek_char((0x560c892e10d0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_396536, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_397468, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x560c892e10d0), d)
   Exit: (212) [system] get_char((0x560c892e10d0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _404818)
   Call: (213) [system] peek_char((0x560c892e10d0), _405752)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_410472, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_411404, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _418754)
   Call: (214) [system] peek_char((0x560c892e10d0), _419688)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_424408, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_425340, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _432690)
   Call: (215) [system] peek_char((0x560c892e10d0), _433624)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_438344, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_439276, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _446626)
   Call: (216) [system] peek_char((0x560c892e10d0), _447560)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_452280, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_453212, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _460562)
   Call: (217) [system] peek_char((0x560c892e10d0), _461496)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _460562=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _446626=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _432690=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _418754=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _404818=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _390882=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (211) [system] _376946=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _341436)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _487544)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_488496, _488498), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _487544), _488478, fail)), '$restore_trace'(_488496, _488498))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_488496, _488498))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _487544), _488478, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_487544)
   Fail: (212) [system] atomic(_487544)
   Call: (212) [system] atom_chars(_487544, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _341436='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _502494)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _504352)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _513946)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _516650)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _533584)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _539154)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _541012)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _557022)
   Exit: (210) [system] get_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', _539154)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _574664)
   Call: (212) [system] peek_char((0x560c892e10d0), _575598)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _574664=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _539154)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _584882)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_585834, _585836), once(user:catch(read_from_chars(['A'], _584882), _585816, fail)), '$restore_trace'(_585834, _585836))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_585834, _585836))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _584882), _585816, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_584882)
   Fail: (213) [system] atomic(_584882)
   Call: (213) [system] atom_chars(_584882, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _539154='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _599832)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _601690)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _611284)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _613988)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _630922)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _636492)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _638350)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _654360)
   Exit: (211) [system] get_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', _636492)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _672002)
   Call: (213) [system] peek_char((0x560c892e10d0), _672936)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_677656, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _672002=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _636492)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _684092)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_685044, _685046), once(user:catch(read_from_chars(['B'], _684092), _685026, fail)), '$restore_trace'(_685044, _685046))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_685044, _685046))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _684092), _685026, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_684092)
   Fail: (214) [system] atomic(_684092)
   Call: (214) [system] atom_chars(_684092, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _636492='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _699042)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _700900)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _716910)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _720700)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _699042=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _599832=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (209) [system] _502494=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (208) [system] _296418=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _734582)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _736440)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _746034)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _748738)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _765672)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _771242)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _773100)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _789110)
   Exit: (208) [system] get_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', _771242)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _806752)
   Call: (210) [system] peek_char((0x560c892e10d0), _807686)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_812406, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _806752=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _771242)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _818842)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_819794, _819796), once(user:catch(read_from_chars(['C'], _818842), _819776, fail)), '$restore_trace'(_819794, _819796))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_819794, _819796))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _818842), _819776, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_818842)
   Fail: (211) [system] atomic(_818842)
   Call: (211) [system] atom_chars(_818842, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _771242='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _833792)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _835650)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _851660)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _855450)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _833792=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _734582=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (206) [system] _259758=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _4028=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _869332)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _871190)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _880784)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _883488)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
   Call: (206) [system] 'B'=(/)
   Fail: (206) [system] 'B'=(/)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _900422)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'B')
   Call: (204) [system] 'B'=')'
   Fail: (204) [system] 'B'=')'
   Call: (204) [system] 'B'=end_of_file
   Fail: (204) [system] 'B'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _905992)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _907850)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
   Call: (206) [system] 'B'=(/)
   Fail: (206) [system] 'B'=(/)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _923860)
   Exit: (205) [system] get_char((0x560c892e10d0), 'B')
   Call: (205) [system] 'B'='('
   Fail: (205) [system] 'B'='('
   Call: (205) [system] 'B'='['
   Fail: (205) [system] 'B'='['
   Call: (205) [system] 'B'='{'
   Fail: (205) [system] 'B'='{'
   Call: (205) [system] 'B'='"'
   Fail: (205) [system] 'B'='"'
   Call: (205) [system] 'B'=!
   Fail: (205) [system] 'B'=!
   Call: (205) [system] 'B'='\''
   Fail: (205) [system] 'B'='\''
   Call: (205) [system] 'B'='`'
   Fail: (205) [system] 'B'='`'
   Call: (205) [system] 'B'=end_of_file
   Fail: (205) [system] 'B'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'B', _905992)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _941502)
   Call: (207) [system] peek_char((0x560c892e10d0), _942436)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_947156, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _941502=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq(['B'], _905992)
^  Call: (207) [user] classify_and_convert_charseq_(['B'], _953592)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_954544, _954546), once(user:catch(read_from_chars(['B'], _953592), _954526, fail)), '$restore_trace'(_954544, _954546))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_954544, _954546))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _953592), _954526, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_953592)
   Fail: (208) [system] atomic(_953592)
   Call: (208) [system] atom_chars(_953592, ['B'])
   Exit: (208) [system] atom_chars('B', ['B'])
^  Exit: (207) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (207) [system] integer('B')
   Fail: (207) [system] integer('B')
   Call: (207) [system] _905992='B'
   Exit: (207) [system] 'B'='B'
^  Exit: (206) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _968542)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _970400)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _986410)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _990200)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _968542=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _869332=['B']
   Exit: (204) [system] ['B']=['B']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (203) [system] _4024=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (202) [system] _4016=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (202) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1004082)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1005940)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1021950)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1025740)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1004082=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _4012=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (200) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (199) [system] _3988=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (199) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (198) [system] _3980=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1039622)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1041480)
   Exit: (198) [system] peek_char((0x560c892e10d0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x560c892e10d0), _1052930)
   Exit: (198) [system] get_char((0x560c892e10d0), '\n')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1055634)
   Exit: (199) [system] peek_char((0x560c892e10d0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x560c892e10d0), _1065228)
   Exit: (199) [system] get_char((0x560c892e10d0), '\t')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1067932)
   Exit: (200) [system] peek_char((0x560c892e10d0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x560c892e10d0), _1077526)
   Exit: (200) [system] get_char((0x560c892e10d0), '\t')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1080230)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1089824)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1092528)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1112234)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1117804)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1119662)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1135672)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1117804)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1141242)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1157252)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1162822)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1164680)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1180690)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _1162822)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1198332)
   Call: (202) [system] peek_char((0x560c892e10d0), _1199266)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1198332=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1162822)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1208550)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1209502, _1209504), once(user:catch(read_from_chars([:], _1208550), _1209484, fail)), '$restore_trace'(_1209502, _1209504))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1209502, _1209504))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1209484, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1162822=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1221630)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1223488)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1233082)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1235786)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1252720)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1258290)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1260148)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1276158)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1258290)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1281728)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1297738)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1303308)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1305166)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1321176)
   Exit: (203) [system] get_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1303308)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338818)
   Call: (205) [system] peek_char((0x560c892e10d0), _1339752)
   Exit: (205) [system] peek_char((0x560c892e10d0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1344472, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1345404, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x560c892e10d0), o)
   Exit: (205) [system] get_char((0x560c892e10d0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1352754)
   Call: (206) [system] peek_char((0x560c892e10d0), _1353688)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1358408, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1359340, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366690)
   Call: (207) [system] peek_char((0x560c892e10d0), _1367624)
   Exit: (207) [system] peek_char((0x560c892e10d0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_1372344, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_1373276, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x560c892e10d0), j)
   Exit: (207) [system] get_char((0x560c892e10d0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380626)
   Call: (208) [system] peek_char((0x560c892e10d0), _1381560)
   Exit: (208) [system] peek_char((0x560c892e10d0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1386280, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1387212, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x560c892e10d0), u)
   Exit: (208) [system] get_char((0x560c892e10d0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394562)
   Call: (209) [system] peek_char((0x560c892e10d0), _1395496)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1400216, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1401148, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408498)
   Call: (210) [system] peek_char((0x560c892e10d0), _1409432)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1414152, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1415084, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422434)
   Call: (211) [system] peek_char((0x560c892e10d0), _1423368)
   Exit: (211) [system] peek_char((0x560c892e10d0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1428088, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_1429020, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x560c892e10d0), t)
   Exit: (211) [system] get_char((0x560c892e10d0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436370)
   Call: (212) [system] peek_char((0x560c892e10d0), _1437304)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1442024, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1442956, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1450306)
   Call: (213) [system] peek_char((0x560c892e10d0), _1451240)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1455960, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1456892, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464242)
   Call: (214) [system] peek_char((0x560c892e10d0), _1465176)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1469896, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1470828, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1478178)
   Call: (215) [system] peek_char((0x560c892e10d0), _1479112)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_1483832, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_1484764, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x560c892e10d0), 'I')
   Exit: (215) [system] get_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1492114)
   Call: (216) [system] peek_char((0x560c892e10d0), _1493048)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1497768, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1498700, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1506050)
   Call: (217) [system] peek_char((0x560c892e10d0), _1506984)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1511704, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1512636, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1519986)
   Call: (218) [system] peek_char((0x560c892e10d0), _1520920)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1525640, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1526572, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1533922)
   Call: (219) [system] peek_char((0x560c892e10d0), _1534856)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1539576, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1540508, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1547858)
   Call: (220) [system] peek_char((0x560c892e10d0), _1548792)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1553512, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1554444, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561794)
   Call: (221) [system] peek_char((0x560c892e10d0), _1562728)
   Exit: (221) [system] peek_char((0x560c892e10d0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1567448, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1568380, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x560c892e10d0), u)
   Exit: (221) [system] get_char((0x560c892e10d0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575730)
   Call: (222) [system] peek_char((0x560c892e10d0), _1576664)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1581384, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1582316, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589666)
   Call: (223) [system] peek_char((0x560c892e10d0), _1590600)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1595320, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1596252, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1603602)
   Call: (224) [system] peek_char((0x560c892e10d0), _1604536)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1609256, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1610188, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1617538)
   Call: (225) [system] peek_char((0x560c892e10d0), _1618472)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1623192, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1624124, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1631474)
   Call: (226) [system] peek_char((0x560c892e10d0), _1632408)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1637128, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1638060, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1645410)
   Call: (227) [system] peek_char((0x560c892e10d0), _1646344)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1645410=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _1631474=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (225) [system] _1617538=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (224) [system] _1603602=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (223) [system] _1589666=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (222) [system] _1575730=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (221) [system] _1561794=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (220) [system] _1547858=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (219) [system] _1533922=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _1519986=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1506050=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1492114=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1478178=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1464242=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1450306=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1436370=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1422434=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1408498=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1394562=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1380626=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1366690=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1352754=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1338818=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1303308)
^  Call: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717096)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1718048, _1718050), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717096), _1718030, fail)), '$restore_trace'(_1718048, _1718050))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1718048, _1718050))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717096), _1718030, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1717096)
   Fail: (206) [system] atomic(_1717096)
   Call: (206) [system] atom_chars(_1717096, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (205) [system] integer('ConjunctionIntroduction')
   Fail: (205) [system] integer('ConjunctionIntroduction')
   Call: (205) [system] _1303308='ConjunctionIntroduction'
   Exit: (205) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1732046)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1733904)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1743498)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1746202)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
   Call: (205) [system] c=(/)
   Fail: (205) [system] c=(/)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1763136)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
   Call: (203) [system] c=')'
   Fail: (203) [system] c=')'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1768706)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1770564)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
   Call: (205) [system] c=(/)
   Fail: (205) [system] c=(/)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1786574)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c='('
   Fail: (204) [system] c='('
   Call: (204) [system] c='['
   Fail: (204) [system] c='['
   Call: (204) [system] c='{'
   Fail: (204) [system] c='{'
   Call: (204) [system] c='"'
   Fail: (204) [system] c='"'
   Call: (204) [system] c=!
   Fail: (204) [system] c=!
   Call: (204) [system] c='\''
   Fail: (204) [system] c='\''
   Call: (204) [system] c='`'
   Fail: (204) [system] c='`'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), c, _1768706)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1804216)
   Call: (206) [system] peek_char((0x560c892e10d0), _1805150)
   Exit: (206) [system] peek_char((0x560c892e10d0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1809870, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1810802, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x560c892e10d0), d)
   Exit: (206) [system] get_char((0x560c892e10d0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1818152)
   Call: (207) [system] peek_char((0x560c892e10d0), _1819086)
   Exit: (207) [system] peek_char((0x560c892e10d0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1823806, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1824738, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x560c892e10d0), e)
   Exit: (207) [system] get_char((0x560c892e10d0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1832088)
   Call: (208) [system] peek_char((0x560c892e10d0), _1833022)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1832088=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1818152=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (206) [system] _1804216=[d, e]
   Exit: (206) [system] [d, e]=[d, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (205) [user] classify_and_convert_charseq([c, d, e], _1768706)
^  Call: (206) [user] classify_and_convert_charseq_([c, d, e], _1847894)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1848846, _1848848), once(user:catch(read_from_chars([c, d, e], _1847894), _1848828, fail)), '$restore_trace'(_1848846, _1848848))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1848846, _1848848))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1848828, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(cde)
   Exit: (207) [system] atomic(cde)
^  Exit: (206) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (206) [system] integer(cde)
   Fail: (206) [system] integer(cde)
   Call: (206) [system] _1768706=cde
   Exit: (206) [system] cde=cde
^  Exit: (205) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1860974)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1862832)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1872426)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1875130)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1892064)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1897634)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1899492)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1915502)
   Exit: (205) [system] get_char((0x560c892e10d0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), a, _1897634)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1933144)
   Call: (207) [system] peek_char((0x560c892e10d0), _1934078)
   Exit: (207) [system] peek_char((0x560c892e10d0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1938798, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1939730, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x560c892e10d0), b)
   Exit: (207) [system] get_char((0x560c892e10d0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1947080)
   Call: (208) [system] peek_char((0x560c892e10d0), _1948014)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1952734, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1953666, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x560c892e10d0), c)
   Exit: (208) [system] get_char((0x560c892e10d0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1961016)
   Call: (209) [system] peek_char((0x560c892e10d0), _1961950)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1966670, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1961016=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1947080=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (207) [system] _1933144=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq([a, b, c], _1897634)
^  Call: (207) [user] classify_and_convert_charseq_([a, b, c], _1978694)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1979646, _1979648), once(user:catch(read_from_chars([a, b, c], _1978694), _1979628, fail)), '$restore_trace'(_1979646, _1979648))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1979646, _1979648))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1979628, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (207) [system] integer(abc)
   Fail: (207) [system] integer(abc)
   Call: (207) [system] _1897634=abc
   Exit: (207) [system] abc=abc
^  Exit: (206) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1991774)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1993632)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2009642)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _2013432)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1991774=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _1860974=[abc]
   Exit: (204) [system] [abc]=[abc]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (203) [system] _1732046=[cde, abc]
   Exit: (203) [system] [cde, abc]=[cde, abc]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [cde, abc])
   Call: (202) [system] _1258290=['ConjunctionIntroduction', cde, abc]
   Exit: (202) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, abc])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, abc])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _2027314)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2029172)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _2038766)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2041470)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2058404)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _2063974)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2065832)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _2081842)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _2063974)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2087412)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _10564)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _16134)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _17992)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _34002)
   Exit: (204) [system] get_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'A', _16134)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _51644)
   Call: (206) [system] peek_char((0x560c892e10d0), _52578)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_57298, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_58230, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _65580)
   Call: (207) [system] peek_char((0x560c892e10d0), _66514)
   Exit: (207) [system] peek_char((0x560c892e10d0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_71234, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_72166, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x560c892e10d0), d)
   Exit: (207) [system] get_char((0x560c892e10d0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _79516)
   Call: (208) [system] peek_char((0x560c892e10d0), _80450)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_85170, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_86102, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x560c892e10d0), 'L')
   Exit: (208) [system] get_char((0x560c892e10d0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _93452)
   Call: (209) [system] peek_char((0x560c892e10d0), _94386)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_99106, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_100038, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _107388)
   Call: (210) [system] peek_char((0x560c892e10d0), _108322)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_113042, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_113974, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _121324)
   Call: (211) [system] peek_char((0x560c892e10d0), _122258)
   Exit: (211) [system] peek_char((0x560c892e10d0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_126978, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_127910, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x560c892e10d0), k)
   Exit: (211) [system] get_char((0x560c892e10d0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _135260)
   Call: (212) [system] peek_char((0x560c892e10d0), _136194)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _135260=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _121324=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (210) [system] _107388=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (209) [system] _93452=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (208) [system] _79516=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (207) [system] _65580=[d, 'L', i, n, k]
   Exit: (207) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (206) [system] _51644=[n, d, 'L', i, n, k]
   Exit: (206) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _16134)
^  Call: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _162242)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_163194, _163196), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _162242), _163176, fail)), '$restore_trace'(_163194, _163196))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_163194, _163196))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _162242), _163176, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_162242)
   Fail: (207) [system] atomic(_162242)
   Call: (207) [system] atom_chars(_162242, ['A', n, d, 'L', i, n, k])
   Exit: (207) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (206) [system] integer('AndLink')
   Fail: (206) [system] integer('AndLink')
   Call: (206) [system] _16134='AndLink'
   Exit: (206) [system] 'AndLink'='AndLink'
^  Exit: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _177192)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _179050)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _188644)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _191348)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _208282)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _213852)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _215710)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _231720)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _213852)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _237290)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _253300)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _258870)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _260728)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _276738)
   Exit: (207) [system] get_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'I', _258870)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _294380)
   Call: (209) [system] peek_char((0x560c892e10d0), _295314)
   Exit: (209) [system] peek_char((0x560c892e10d0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_300034, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_300966, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x560c892e10d0), m)
   Exit: (209) [system] get_char((0x560c892e10d0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _308316)
   Call: (210) [system] peek_char((0x560c892e10d0), _309250)
   Exit: (210) [system] peek_char((0x560c892e10d0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_313970, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_314902, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x560c892e10d0), p)
   Exit: (210) [system] get_char((0x560c892e10d0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _322252)
   Call: (211) [system] peek_char((0x560c892e10d0), _323186)
   Exit: (211) [system] peek_char((0x560c892e10d0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_327906, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_328838, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x560c892e10d0), l)
   Exit: (211) [system] get_char((0x560c892e10d0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _336188)
   Call: (212) [system] peek_char((0x560c892e10d0), _337122)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_341842, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_342774, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _350124)
   Call: (213) [system] peek_char((0x560c892e10d0), _351058)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_355778, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_356710, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _364060)
   Call: (214) [system] peek_char((0x560c892e10d0), _364994)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_369714, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_370646, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x560c892e10d0), a)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _377996)
   Call: (215) [system] peek_char((0x560c892e10d0), _378930)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_383650, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_384582, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _391932)
   Call: (216) [system] peek_char((0x560c892e10d0), _392866)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_397586, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_398518, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _405868)
   Call: (217) [system] peek_char((0x560c892e10d0), _406802)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_411522, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_412454, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _419804)
   Call: (218) [system] peek_char((0x560c892e10d0), _420738)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_425458, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_426390, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _433740)
   Call: (219) [system] peek_char((0x560c892e10d0), _434674)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _433740=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _419804=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (217) [system] _405868=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (216) [system] _391932=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (215) [system] _377996=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (214) [system] _364060=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (213) [system] _350124=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (212) [system] _336188=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (211) [system] _322252=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _308316=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _294380=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _258870)
^  Call: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _471898)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_472850, _472852), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _471898), _472832, fail)), '$restore_trace'(_472850, _472852))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_472850, _472852))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _471898), _472832, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_471898)
   Fail: (210) [system] atomic(_471898)
   Call: (210) [system] atom_chars(_471898, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (209) [system] integer('Implication')
   Fail: (209) [system] integer('Implication')
   Call: (209) [system] _258870='Implication'
   Exit: (209) [system] 'Implication'='Implication'
^  Exit: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _486848)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _488706)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _498300)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _501004)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _517938)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _523508)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _525366)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _541376)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _523508)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _546946)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _562956)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _568526)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _570384)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _586394)
   Exit: (210) [system] get_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', _568526)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _604036)
   Call: (212) [system] peek_char((0x560c892e10d0), _604970)
   Exit: (212) [system] peek_char((0x560c892e10d0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_609690, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_610622, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x560c892e10d0), r)
   Exit: (212) [system] get_char((0x560c892e10d0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _617972)
   Call: (213) [system] peek_char((0x560c892e10d0), _618906)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_623626, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_624558, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _631908)
   Call: (214) [system] peek_char((0x560c892e10d0), _632842)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_637562, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_638494, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _645844)
   Call: (215) [system] peek_char((0x560c892e10d0), _646778)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_651498, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_652430, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _659780)
   Call: (216) [system] peek_char((0x560c892e10d0), _660714)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_665434, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_666366, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _673716)
   Call: (217) [system] peek_char((0x560c892e10d0), _674650)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _673716=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _659780=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _645844=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _631908=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _617972=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _604036=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _568526)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _697904)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_698856, _698858), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _697904), _698838, fail)), '$restore_trace'(_698856, _698858))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_698856, _698858))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _697904), _698838, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_697904)
   Fail: (213) [system] atomic(_697904)
   Call: (213) [system] atom_chars(_697904, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _568526='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _712854)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _714712)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _724306)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _727010)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _743944)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _749514)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _751372)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _767382)
   Exit: (211) [system] get_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', _749514)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _785024)
   Call: (213) [system] peek_char((0x560c892e10d0), _785958)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _785024=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _749514)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _795242)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_796194, _796196), once(user:catch(read_from_chars(['C'], _795242), _796176, fail)), '$restore_trace'(_796194, _796196))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_796194, _796196))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _795242), _796176, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_795242)
   Fail: (214) [system] atomic(_795242)
   Call: (214) [system] atom_chars(_795242, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _749514='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _810192)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _812050)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _821644)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _824348)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _841282)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _846852)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _848710)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _864720)
   Exit: (212) [system] get_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', _846852)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _882362)
   Call: (214) [system] peek_char((0x560c892e10d0), _883296)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_888016, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _882362=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['D'], _846852)
^  Call: (214) [user] classify_and_convert_charseq_(['D'], _894452)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_895404, _895406), once(user:catch(read_from_chars(['D'], _894452), _895386, fail)), '$restore_trace'(_895404, _895406))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_895404, _895406))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _894452), _895386, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_894452)
   Fail: (215) [system] atomic(_894452)
   Call: (215) [system] atom_chars(_894452, ['D'])
   Exit: (215) [system] atom_chars('D', ['D'])
^  Exit: (214) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (214) [system] integer('D')
   Fail: (214) [system] integer('D')
   Call: (214) [system] _846852='D'
   Exit: (214) [system] 'D'='D'
^  Exit: (213) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _909402)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _911260)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _927270)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _931060)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _909402=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _810192=['D']
   Exit: (211) [system] ['D']=['D']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (210) [system] _712854=['C', 'D']
   Exit: (210) [system] ['C', 'D']=['C', 'D']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (209) [system] _523508=['OrLink', 'C', 'D']
   Exit: (209) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _944942)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _946800)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _956394)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _959098)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
   Call: (210) [system] 'E'=(/)
   Fail: (210) [system] 'E'=(/)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _976032)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'E')
   Call: (208) [system] 'E'=')'
   Fail: (208) [system] 'E'=')'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _981602)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _983460)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
   Call: (210) [system] 'E'=(/)
   Fail: (210) [system] 'E'=(/)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _999470)
   Exit: (209) [system] get_char((0x560c892e10d0), 'E')
   Call: (209) [system] 'E'='('
   Fail: (209) [system] 'E'='('
   Call: (209) [system] 'E'='['
   Fail: (209) [system] 'E'='['
   Call: (209) [system] 'E'='{'
   Fail: (209) [system] 'E'='{'
   Call: (209) [system] 'E'='"'
   Fail: (209) [system] 'E'='"'
   Call: (209) [system] 'E'=!
   Fail: (209) [system] 'E'=!
   Call: (209) [system] 'E'='\''
   Fail: (209) [system] 'E'='\''
   Call: (209) [system] 'E'='`'
   Fail: (209) [system] 'E'='`'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'E', _981602)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017112)
   Call: (211) [system] peek_char((0x560c892e10d0), _1018046)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1022766, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1017112=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['E'], _981602)
^  Call: (211) [user] classify_and_convert_charseq_(['E'], _1029202)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1030154, _1030156), once(user:catch(read_from_chars(['E'], _1029202), _1030136, fail)), '$restore_trace'(_1030154, _1030156))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1030154, _1030156))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1029202), _1030136, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1029202)
   Fail: (212) [system] atomic(_1029202)
   Call: (212) [system] atom_chars(_1029202, ['E'])
   Exit: (212) [system] atom_chars('E', ['E'])
^  Exit: (211) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (211) [system] integer('E')
   Fail: (211) [system] integer('E')
   Call: (211) [system] _981602='E'
   Exit: (211) [system] 'E'='E'
^  Exit: (210) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1044152)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1046010)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1062020)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1065810)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1044152=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _944942=['E']
   Exit: (208) [system] ['E']=['E']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (207) [system] _486848=[['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (206) [system] _213852=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1079692)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1081550)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1091144)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1093848)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1110782)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1116352)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1118210)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1134220)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1116352)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1139790)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1155800)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1161370)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1163228)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1179238)
   Exit: (208) [system] get_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1161370)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1196880)
   Call: (210) [system] peek_char((0x560c892e10d0), _1197814)
   Exit: (210) [system] peek_char((0x560c892e10d0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1202534, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1203466, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x560c892e10d0), m)
   Exit: (210) [system] get_char((0x560c892e10d0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1210816)
   Call: (211) [system] peek_char((0x560c892e10d0), _1211750)
   Exit: (211) [system] peek_char((0x560c892e10d0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1216470, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1217402, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x560c892e10d0), p)
   Exit: (211) [system] get_char((0x560c892e10d0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1224752)
   Call: (212) [system] peek_char((0x560c892e10d0), _1225686)
   Exit: (212) [system] peek_char((0x560c892e10d0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1230406, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1231338, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x560c892e10d0), l)
   Exit: (212) [system] get_char((0x560c892e10d0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1238688)
   Call: (213) [system] peek_char((0x560c892e10d0), _1239622)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1244342, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1245274, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1252624)
   Call: (214) [system] peek_char((0x560c892e10d0), _1253558)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1258278, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1259210, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1266560)
   Call: (215) [system] peek_char((0x560c892e10d0), _1267494)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1272214, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1273146, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x560c892e10d0), a)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1280496)
   Call: (216) [system] peek_char((0x560c892e10d0), _1281430)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1286150, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1287082, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1294432)
   Call: (217) [system] peek_char((0x560c892e10d0), _1295366)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1300086, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1301018, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1308368)
   Call: (218) [system] peek_char((0x560c892e10d0), _1309302)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1314022, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1314954, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1322304)
   Call: (219) [system] peek_char((0x560c892e10d0), _1323238)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1327958, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1328890, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1336240)
   Call: (220) [system] peek_char((0x560c892e10d0), _1337174)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1336240=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1322304=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (218) [system] _1308368=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (217) [system] _1294432=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (216) [system] _1280496=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (215) [system] _1266560=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (214) [system] _1252624=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (213) [system] _1238688=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1224752=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1210816=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1196880=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1161370)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1374398)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1375350, _1375352), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1374398), _1375332, fail)), '$restore_trace'(_1375350, _1375352))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1375350, _1375352))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1374398), _1375332, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1374398)
   Fail: (211) [system] atomic(_1374398)
   Call: (211) [system] atom_chars(_1374398, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _1161370='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1389348)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1391206)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1400800)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1403504)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1420438)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1426008)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1427866)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1443876)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1426008)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1449446)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1465456)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1471026)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1472884)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1488894)
   Exit: (211) [system] get_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1471026)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1506536)
   Call: (213) [system] peek_char((0x560c892e10d0), _1507470)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1512190, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1513122, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1520472)
   Call: (214) [system] peek_char((0x560c892e10d0), _1521406)
   Exit: (214) [system] peek_char((0x560c892e10d0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_1526126, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_1527058, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x560c892e10d0), d)
   Exit: (214) [system] get_char((0x560c892e10d0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1534408)
   Call: (215) [system] peek_char((0x560c892e10d0), _1535342)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1540062, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1540994, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1548344)
   Call: (216) [system] peek_char((0x560c892e10d0), _1549278)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1553998, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1554930, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1562280)
   Call: (217) [system] peek_char((0x560c892e10d0), _1563214)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1567934, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1568866, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1576216)
   Call: (218) [system] peek_char((0x560c892e10d0), _1577150)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1581870, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1582802, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1590152)
   Call: (219) [system] peek_char((0x560c892e10d0), _1591086)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1590152=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _1576216=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _1562280=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _1548344=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _1534408=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _1520472=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (213) [system] _1506536=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1471026)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1617134)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1618086, _1618088), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617134), _1618068, fail)), '$restore_trace'(_1618086, _1618088))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1618086, _1618088))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617134), _1618068, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1617134)
   Fail: (214) [system] atomic(_1617134)
   Call: (214) [system] atom_chars(_1617134, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _1471026='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1632084)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1633942)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1643536)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1646240)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1663174)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1668744)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1670602)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1686612)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1668744)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1704254)
   Call: (214) [system] peek_char((0x560c892e10d0), _1705188)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1704254=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _1668744)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _1714472)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1715424, _1715426), once(user:catch(read_from_chars(['A'], _1714472), _1715406, fail)), '$restore_trace'(_1715424, _1715426))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1715424, _1715426))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1714472), _1715406, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1714472)
   Fail: (215) [system] atomic(_1714472)
   Call: (215) [system] atom_chars(_1714472, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _1668744='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1729422)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1731280)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1740874)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1743578)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1760512)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1766082)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1767940)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1783950)
   Exit: (213) [system] get_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1766082)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1801592)
   Call: (215) [system] peek_char((0x560c892e10d0), _1802526)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1807246, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1801592=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1766082)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _1813682)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1814634, _1814636), once(user:catch(read_from_chars(['B'], _1813682), _1814616, fail)), '$restore_trace'(_1814634, _1814636))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1814634, _1814636))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1813682), _1814616, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1813682)
   Fail: (216) [system] atomic(_1813682)
   Call: (216) [system] atom_chars(_1813682, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1766082='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1828632)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1830490)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1846500)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1850290)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1828632=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1729422=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (211) [system] _1632084=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (210) [system] _1426008=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1864172)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1866030)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1875624)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1878328)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1895262)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1900832)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1902690)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1918700)
   Exit: (210) [system] get_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1900832)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1936342)
   Call: (212) [system] peek_char((0x560c892e10d0), _1937276)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1941996, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1936342=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1900832)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1948432)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1949384, _1949386), once(user:catch(read_from_chars(['C'], _1948432), _1949366, fail)), '$restore_trace'(_1949384, _1949386))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1949384, _1949386))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1948432), _1949366, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1948432)
   Fail: (213) [system] atomic(_1948432)
   Call: (213) [system] atom_chars(_1948432, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1900832='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1963382)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1965240)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1981250)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _1985040)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _1963382=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _1864172=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (208) [system] _1389348=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _1116352=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1998922)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2000780)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2016790)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _2020580)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _1998922=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _1079692=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (204) [system] _177192=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (204) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (203) [system] _4112=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (203) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _2034462)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2036320)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2052330)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _2056120)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _2034462=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _4108=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (200) [system] _4084=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (200) [system] [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (199) [system] _4076=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (199) [system] [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _2070002)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _2071860)
   Exit: (199) [system] peek_char((0x560c892e10d0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x560c892e10d0), _2083310)
   Exit: (199) [system] get_char((0x560c892e10d0), '\n')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _2086014)
   Exit: (200) [system] peek_char((0x560c892e10d0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x560c892e10d0), _2095608)
   Exit: (200) [system] get_char((0x560c892e10d0), '\t')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _5732)
   Exit: (201) [system] peek_char((0x560c892e10d0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x560c892e10d0), _15326)
   Exit: (201) [system] get_char((0x560c892e10d0), '\t')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _18030)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _27624)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _30328)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _50034)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _55604)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _57462)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _73472)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _55604)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _79042)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _95052)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _100622)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _102480)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _118490)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _100622)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _136132)
   Call: (203) [system] peek_char((0x560c892e10d0), _137066)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _136132=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _100622)
^  Call: (203) [user] classify_and_convert_charseq_([:], _146350)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_147302, _147304), once(user:catch(read_from_chars([:], _146350), _147284, fail)), '$restore_trace'(_147302, _147304))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_147302, _147304))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147284, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _100622=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _159430)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _161288)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _170882)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _173586)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _190520)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _196090)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _197948)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _213958)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _196090)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _219528)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _235538)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'=')'
   Fail: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _241108)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _242966)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _258976)
   Exit: (204) [system] get_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'='('
   Fail: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Fail: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Fail: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Fail: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Fail: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Fail: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Fail: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'C', _241108)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _276618)
   Call: (206) [system] peek_char((0x560c892e10d0), _277552)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_282272, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_283204, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _290554)
   Call: (207) [system] peek_char((0x560c892e10d0), _291488)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_296208, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_297140, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _304490)
   Call: (208) [system] peek_char((0x560c892e10d0), _305424)
   Exit: (208) [system] peek_char((0x560c892e10d0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_310144, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_311076, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x560c892e10d0), j)
   Exit: (208) [system] get_char((0x560c892e10d0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _318426)
   Call: (209) [system] peek_char((0x560c892e10d0), _319360)
   Exit: (209) [system] peek_char((0x560c892e10d0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_324080, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_325012, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x560c892e10d0), u)
   Exit: (209) [system] get_char((0x560c892e10d0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _332362)
   Call: (210) [system] peek_char((0x560c892e10d0), _333296)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_338016, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_338948, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _346298)
   Call: (211) [system] peek_char((0x560c892e10d0), _347232)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_351952, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_352884, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _360234)
   Call: (212) [system] peek_char((0x560c892e10d0), _361168)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_365888, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_366820, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _374170)
   Call: (213) [system] peek_char((0x560c892e10d0), _375104)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_379824, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_380756, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _388106)
   Call: (214) [system] peek_char((0x560c892e10d0), _389040)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_393760, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_394692, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _402042)
   Call: (215) [system] peek_char((0x560c892e10d0), _402976)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_407696, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_408628, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _415978)
   Call: (216) [system] peek_char((0x560c892e10d0), _416912)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_421632, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_422564, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x560c892e10d0), 'I')
   Exit: (216) [system] get_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _429914)
   Call: (217) [system] peek_char((0x560c892e10d0), _430848)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_435568, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_436500, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _443850)
   Call: (218) [system] peek_char((0x560c892e10d0), _444784)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_449504, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_450436, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _457786)
   Call: (219) [system] peek_char((0x560c892e10d0), _458720)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_463440, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_464372, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _471722)
   Call: (220) [system] peek_char((0x560c892e10d0), _472656)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_477376, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_478308, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _485658)
   Call: (221) [system] peek_char((0x560c892e10d0), _486592)
   Exit: (221) [system] peek_char((0x560c892e10d0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_491312, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_492244, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x560c892e10d0), d)
   Exit: (221) [system] get_char((0x560c892e10d0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _499594)
   Call: (222) [system] peek_char((0x560c892e10d0), _500528)
   Exit: (222) [system] peek_char((0x560c892e10d0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_505248, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_506180, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x560c892e10d0), u)
   Exit: (222) [system] get_char((0x560c892e10d0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _513530)
   Call: (223) [system] peek_char((0x560c892e10d0), _514464)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_519184, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_520116, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _527466)
   Call: (224) [system] peek_char((0x560c892e10d0), _528400)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_533120, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_534052, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _541402)
   Call: (225) [system] peek_char((0x560c892e10d0), _542336)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_547056, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_547988, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _555338)
   Call: (226) [system] peek_char((0x560c892e10d0), _556272)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_560992, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_561924, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _569274)
   Call: (227) [system] peek_char((0x560c892e10d0), _570208)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_574928, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_575860, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _583210)
   Call: (228) [system] peek_char((0x560c892e10d0), _584144)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _583210=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _569274=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (226) [system] _555338=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (225) [system] _541402=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (224) [system] _527466=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (223) [system] _513530=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (222) [system] _499594=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (221) [system] _485658=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (220) [system] _471722=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _457786=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _443850=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _429914=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _415978=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _402042=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _388106=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _374170=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _360234=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _346298=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _332362=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _318426=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _304490=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _290554=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _276618=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _241108)
^  Call: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _654896)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_655848, _655850), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _654896), _655830, fail)), '$restore_trace'(_655848, _655850))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_655848, _655850))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _654896), _655830, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_654896)
   Fail: (207) [system] atomic(_654896)
   Call: (207) [system] atom_chars(_654896, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (206) [system] integer('ConjunctionIntroduction')
   Fail: (206) [system] integer('ConjunctionIntroduction')
   Call: (206) [system] _241108='ConjunctionIntroduction'
   Exit: (206) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _669846)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _671704)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _681298)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _684002)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _700936)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
   Call: (204) [system] c=')'
   Fail: (204) [system] c=')'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _706506)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _708364)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _724374)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c='('
   Fail: (205) [system] c='('
   Call: (205) [system] c='['
   Fail: (205) [system] c='['
   Call: (205) [system] c='{'
   Fail: (205) [system] c='{'
   Call: (205) [system] c='"'
   Fail: (205) [system] c='"'
   Call: (205) [system] c=!
   Fail: (205) [system] c=!
   Call: (205) [system] c='\''
   Fail: (205) [system] c='\''
   Call: (205) [system] c='`'
   Fail: (205) [system] c='`'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), c, _706506)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _742016)
   Call: (207) [system] peek_char((0x560c892e10d0), _742950)
   Exit: (207) [system] peek_char((0x560c892e10d0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_747670, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_748602, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x560c892e10d0), d)
   Exit: (207) [system] get_char((0x560c892e10d0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _755952)
   Call: (208) [system] peek_char((0x560c892e10d0), _756886)
   Exit: (208) [system] peek_char((0x560c892e10d0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_761606, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_762538, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x560c892e10d0), e)
   Exit: (208) [system] get_char((0x560c892e10d0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _769888)
   Call: (209) [system] peek_char((0x560c892e10d0), _770822)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _769888=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _755952=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (207) [system] _742016=[d, e]
   Exit: (207) [system] [d, e]=[d, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (206) [user] classify_and_convert_charseq([c, d, e], _706506)
^  Call: (207) [user] classify_and_convert_charseq_([c, d, e], _785694)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_786646, _786648), once(user:catch(read_from_chars([c, d, e], _785694), _786628, fail)), '$restore_trace'(_786646, _786648))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_786646, _786648))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _786628, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (207) [system] integer(cde)
   Fail: (207) [system] integer(cde)
   Call: (207) [system] _706506=cde
   Exit: (207) [system] cde=cde
^  Exit: (206) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _798774)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _800632)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _810226)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _812930)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _829864)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _835434)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _837292)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _853302)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), c, _835434)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _870944)
   Call: (208) [system] peek_char((0x560c892e10d0), _871878)
   Exit: (208) [system] peek_char((0x560c892e10d0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_876598, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_877530, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x560c892e10d0), d)
   Exit: (208) [system] get_char((0x560c892e10d0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _884880)
   Call: (209) [system] peek_char((0x560c892e10d0), _885814)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_890534, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_891466, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _898816)
   Call: (210) [system] peek_char((0x560c892e10d0), _899750)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_904470, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _898816=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _884880=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (208) [system] _870944=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq([c, d, e], _835434)
^  Call: (208) [user] classify_and_convert_charseq_([c, d, e], _916494)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_917446, _917448), once(user:catch(read_from_chars([c, d, e], _916494), _917428, fail)), '$restore_trace'(_917446, _917448))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_917446, _917448))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _917428, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (208) [system] integer(cde)
   Fail: (208) [system] integer(cde)
   Call: (208) [system] _835434=cde
   Exit: (208) [system] cde=cde
^  Exit: (207) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _929574)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _931432)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _947442)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _951232)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _929574=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _798774=[cde]
   Exit: (205) [system] [cde]=[cde]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (204) [system] _669846=[cde, cde]
   Exit: (204) [system] [cde, cde]=[cde, cde]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [cde, cde])
   Call: (203) [system] _196090=['ConjunctionIntroduction', cde, cde]
   Exit: (203) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, cde])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, cde])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _965114)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _966972)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _976566)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _979270)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _996204)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1001774)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1003632)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1019642)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1001774)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1025212)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1041222)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1046792)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1048650)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1064660)
   Exit: (205) [system] get_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1046792)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082302)
   Call: (207) [system] peek_char((0x560c892e10d0), _1083236)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1087956, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1088888, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1096238)
   Call: (208) [system] peek_char((0x560c892e10d0), _1097172)
   Exit: (208) [system] peek_char((0x560c892e10d0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1101892, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1102824, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x560c892e10d0), d)
   Exit: (208) [system] get_char((0x560c892e10d0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1110174)
   Call: (209) [system] peek_char((0x560c892e10d0), _1111108)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_1115828, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_1116760, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x560c892e10d0), 'L')
   Exit: (209) [system] get_char((0x560c892e10d0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1124110)
   Call: (210) [system] peek_char((0x560c892e10d0), _1125044)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1129764, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1130696, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1138046)
   Call: (211) [system] peek_char((0x560c892e10d0), _1138980)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1143700, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1144632, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1151982)
   Call: (212) [system] peek_char((0x560c892e10d0), _1152916)
   Exit: (212) [system] peek_char((0x560c892e10d0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_1157636, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_1158568, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x560c892e10d0), k)
   Exit: (212) [system] get_char((0x560c892e10d0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1165918)
   Call: (213) [system] peek_char((0x560c892e10d0), _1166852)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1165918=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1151982=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (211) [system] _1138046=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (210) [system] _1124110=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (209) [system] _1110174=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (208) [system] _1096238=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (207) [system] _1082302=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1046792)
^  Call: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1192900)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1193852, _1193854), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192900), _1193834, fail)), '$restore_trace'(_1193852, _1193854))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1193852, _1193854))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192900), _1193834, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1192900)
   Fail: (208) [system] atomic(_1192900)
   Call: (208) [system] atom_chars(_1192900, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (207) [system] integer('AndLink')
   Fail: (207) [system] integer('AndLink')
   Call: (207) [system] _1046792='AndLink'
   Exit: (207) [system] 'AndLink'='AndLink'
^  Exit: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1207850)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1209708)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1219302)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1222006)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1238940)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1244510)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1246368)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1262378)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1244510)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1267948)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1283958)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1289528)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1291386)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1307396)
   Exit: (208) [system] get_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1289528)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325038)
   Call: (210) [system] peek_char((0x560c892e10d0), _1325972)
   Exit: (210) [system] peek_char((0x560c892e10d0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1330692, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1331624, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x560c892e10d0), m)
   Exit: (210) [system] get_char((0x560c892e10d0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338974)
   Call: (211) [system] peek_char((0x560c892e10d0), _1339908)
   Exit: (211) [system] peek_char((0x560c892e10d0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1344628, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1345560, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x560c892e10d0), p)
   Exit: (211) [system] get_char((0x560c892e10d0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1352910)
   Call: (212) [system] peek_char((0x560c892e10d0), _1353844)
   Exit: (212) [system] peek_char((0x560c892e10d0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1358564, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1359496, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x560c892e10d0), l)
   Exit: (212) [system] get_char((0x560c892e10d0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366846)
   Call: (213) [system] peek_char((0x560c892e10d0), _1367780)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1372500, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1373432, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380782)
   Call: (214) [system] peek_char((0x560c892e10d0), _1381716)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1386436, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1387368, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394718)
   Call: (215) [system] peek_char((0x560c892e10d0), _1395652)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1400372, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1401304, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x560c892e10d0), a)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408654)
   Call: (216) [system] peek_char((0x560c892e10d0), _1409588)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1414308, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1415240, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422590)
   Call: (217) [system] peek_char((0x560c892e10d0), _1423524)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1428244, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1429176, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436526)
   Call: (218) [system] peek_char((0x560c892e10d0), _1437460)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1442180, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1443112, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1450462)
   Call: (219) [system] peek_char((0x560c892e10d0), _1451396)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1456116, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1457048, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464398)
   Call: (220) [system] peek_char((0x560c892e10d0), _1465332)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1464398=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1450462=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (218) [system] _1436526=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (217) [system] _1422590=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (216) [system] _1408654=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (215) [system] _1394718=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (214) [system] _1380782=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (213) [system] _1366846=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1352910=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1338974=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1325038=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1289528)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1502556)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1503508, _1503510), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502556), _1503490, fail)), '$restore_trace'(_1503508, _1503510))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1503508, _1503510))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502556), _1503490, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1502556)
   Fail: (211) [system] atomic(_1502556)
   Call: (211) [system] atom_chars(_1502556, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _1289528='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1517506)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1519364)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1528958)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1531662)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1548596)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1554166)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1556024)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1572034)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1554166)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1577604)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1593614)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1599184)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1601042)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1617052)
   Exit: (211) [system] get_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1599184)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1634694)
   Call: (213) [system] peek_char((0x560c892e10d0), _1635628)
   Exit: (213) [system] peek_char((0x560c892e10d0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1640348, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1641280, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x560c892e10d0), r)
   Exit: (213) [system] get_char((0x560c892e10d0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1648630)
   Call: (214) [system] peek_char((0x560c892e10d0), _1649564)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1654284, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1655216, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x560c892e10d0), 'L')
   Exit: (214) [system] get_char((0x560c892e10d0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1662566)
   Call: (215) [system] peek_char((0x560c892e10d0), _1663500)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1668220, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1669152, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1676502)
   Call: (216) [system] peek_char((0x560c892e10d0), _1677436)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1682156, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1683088, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1690438)
   Call: (217) [system] peek_char((0x560c892e10d0), _1691372)
   Exit: (217) [system] peek_char((0x560c892e10d0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1696092, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1697024, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x560c892e10d0), k)
   Exit: (217) [system] get_char((0x560c892e10d0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1704374)
   Call: (218) [system] peek_char((0x560c892e10d0), _1705308)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1704374=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _1690438=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (216) [system] _1676502=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (215) [system] _1662566=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (214) [system] _1648630=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (213) [system] _1634694=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1599184)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1728562)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1729514, _1729516), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1728562), _1729496, fail)), '$restore_trace'(_1729514, _1729516))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1729514, _1729516))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1728562), _1729496, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1728562)
   Fail: (214) [system] atomic(_1728562)
   Call: (214) [system] atom_chars(_1728562, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1599184='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1743512)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1745370)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1754964)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1757668)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1774602)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1780172)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1782030)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1798040)
   Exit: (212) [system] get_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1780172)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1815682)
   Call: (214) [system] peek_char((0x560c892e10d0), _1816616)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1815682=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _1780172)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _1825900)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1826852, _1826854), once(user:catch(read_from_chars(['C'], _1825900), _1826834, fail)), '$restore_trace'(_1826852, _1826854))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1826852, _1826854))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1825900), _1826834, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1825900)
   Fail: (215) [system] atomic(_1825900)
   Call: (215) [system] atom_chars(_1825900, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _1780172='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1840850)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1842708)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1852302)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1855006)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1871940)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1877510)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1879368)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1895378)
   Exit: (213) [system] get_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1877510)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1913020)
   Call: (215) [system] peek_char((0x560c892e10d0), _1913954)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1918674, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1913020=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['D'], _1877510)
^  Call: (215) [user] classify_and_convert_charseq_(['D'], _1925110)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1926062, _1926064), once(user:catch(read_from_chars(['D'], _1925110), _1926044, fail)), '$restore_trace'(_1926062, _1926064))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1926062, _1926064))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1925110), _1926044, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1925110)
   Fail: (216) [system] atomic(_1925110)
   Call: (216) [system] atom_chars(_1925110, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (215) [system] integer('D')
   Fail: (215) [system] integer('D')
   Call: (215) [system] _1877510='D'
   Exit: (215) [system] 'D'='D'
^  Exit: (214) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1940060)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1941918)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1957928)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1961718)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1940060=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1840850=['D']
   Exit: (212) [system] ['D']=['D']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (211) [system] _1743512=['C', 'D']
   Exit: (211) [system] ['C', 'D']=['C', 'D']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (210) [system] _1554166=['OrLink', 'C', 'D']
   Exit: (210) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1975600)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1977458)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1987052)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1989756)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2006690)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'E')
   Call: (209) [system] 'E'=')'
   Fail: (209) [system] 'E'=')'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _2012260)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2014118)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _2030128)
   Exit: (210) [system] get_char((0x560c892e10d0), 'E')
   Call: (210) [system] 'E'='('
   Fail: (210) [system] 'E'='('
   Call: (210) [system] 'E'='['
   Fail: (210) [system] 'E'='['
   Call: (210) [system] 'E'='{'
   Fail: (210) [system] 'E'='{'
   Call: (210) [system] 'E'='"'
   Fail: (210) [system] 'E'='"'
   Call: (210) [system] 'E'=!
   Fail: (210) [system] 'E'=!
   Call: (210) [system] 'E'='\''
   Fail: (210) [system] 'E'='\''
   Call: (210) [system] 'E'='`'
   Fail: (210) [system] 'E'='`'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'E', _2012260)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2047770)
   Call: (212) [system] peek_char((0x560c892e10d0), _2048704)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_2053424, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _2047770=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['E'], _2012260)
^  Call: (212) [user] classify_and_convert_charseq_(['E'], _2059860)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2060812, _2060814), once(user:catch(read_from_chars(['E'], _2059860), _2060794, fail)), '$restore_trace'(_2060812, _2060814))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2060812, _2060814))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _2059860), _2060794, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_2059860)
   Fail: (213) [system] atomic(_2059860)
   Call: (213) [system] atom_chars(_2059860, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (212) [system] integer('E')
   Fail: (212) [system] integer('E')
   Call: (212) [system] _2012260='E'
   Exit: (212) [system] 'E'='E'
^  Exit: (211) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _2074810)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2076668)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _2092678)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _4356)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _4294=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _4288=['E']
   Exit: (209) [system] ['E']=['E']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (208) [system] _4264=[['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (207) [system] _4256=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _17906)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _19764)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _29358)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _32062)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _48996)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _54566)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _56424)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _72434)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _54566)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _78004)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _94014)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _99584)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _101442)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _117452)
   Exit: (209) [system] get_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', _99584)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _135094)
   Call: (211) [system] peek_char((0x560c892e10d0), _136028)
   Exit: (211) [system] peek_char((0x560c892e10d0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_140748, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_141680, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x560c892e10d0), m)
   Exit: (211) [system] get_char((0x560c892e10d0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _149030)
   Call: (212) [system] peek_char((0x560c892e10d0), _149964)
   Exit: (212) [system] peek_char((0x560c892e10d0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_154684, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_155616, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x560c892e10d0), p)
   Exit: (212) [system] get_char((0x560c892e10d0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _162966)
   Call: (213) [system] peek_char((0x560c892e10d0), _163900)
   Exit: (213) [system] peek_char((0x560c892e10d0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_168620, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_169552, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x560c892e10d0), l)
   Exit: (213) [system] get_char((0x560c892e10d0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _176902)
   Call: (214) [system] peek_char((0x560c892e10d0), _177836)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_182556, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_183488, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _190838)
   Call: (215) [system] peek_char((0x560c892e10d0), _191772)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_196492, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_197424, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _204774)
   Call: (216) [system] peek_char((0x560c892e10d0), _205708)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_210428, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_211360, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x560c892e10d0), a)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _218710)
   Call: (217) [system] peek_char((0x560c892e10d0), _219644)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_224364, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_225296, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _232646)
   Call: (218) [system] peek_char((0x560c892e10d0), _233580)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_238300, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_239232, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _246582)
   Call: (219) [system] peek_char((0x560c892e10d0), _247516)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_252236, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_253168, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _260518)
   Call: (220) [system] peek_char((0x560c892e10d0), _261452)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_266172, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_267104, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _274454)
   Call: (221) [system] peek_char((0x560c892e10d0), _275388)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _274454=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _260518=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (219) [system] _246582=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (218) [system] _232646=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (217) [system] _218710=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (216) [system] _204774=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (215) [system] _190838=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (214) [system] _176902=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (213) [system] _162966=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _149030=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _135094=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _99584)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _312612)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_313564, _313566), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _312612), _313546, fail)), '$restore_trace'(_313564, _313566))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_313564, _313566))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _312612), _313546, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_312612)
   Fail: (212) [system] atomic(_312612)
   Call: (212) [system] atom_chars(_312612, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _99584='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _327562)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _329420)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _339014)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _341718)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _358652)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _364222)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _366080)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _382090)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _364222)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _387660)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _403670)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _409240)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _411098)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _427108)
   Exit: (212) [system] get_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', _409240)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _444750)
   Call: (214) [system] peek_char((0x560c892e10d0), _445684)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_450404, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_451336, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _458686)
   Call: (215) [system] peek_char((0x560c892e10d0), _459620)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_464340, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_465272, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _472622)
   Call: (216) [system] peek_char((0x560c892e10d0), _473556)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_478276, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_479208, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _486558)
   Call: (217) [system] peek_char((0x560c892e10d0), _487492)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_492212, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_493144, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _500494)
   Call: (218) [system] peek_char((0x560c892e10d0), _501428)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_506148, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_507080, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _514430)
   Call: (219) [system] peek_char((0x560c892e10d0), _515364)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _514430=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _500494=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _486558=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _472622=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _458686=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _444750=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _409240)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _538618)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_539570, _539572), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _538618), _539552, fail)), '$restore_trace'(_539570, _539572))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_539570, _539572))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _538618), _539552, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_538618)
   Fail: (215) [system] atomic(_538618)
   Call: (215) [system] atom_chars(_538618, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _409240='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _553568)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _555426)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _565020)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _567724)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _584658)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _590228)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _592086)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _608096)
   Exit: (213) [system] get_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', _590228)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _625738)
   Call: (215) [system] peek_char((0x560c892e10d0), _626672)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _625738=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _590228)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _635956)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_636908, _636910), once(user:catch(read_from_chars(['C'], _635956), _636890, fail)), '$restore_trace'(_636908, _636910))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_636908, _636910))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _635956), _636890, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_635956)
   Fail: (216) [system] atomic(_635956)
   Call: (216) [system] atom_chars(_635956, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _590228='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _650906)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _652764)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _662358)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _665062)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _681996)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _687566)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _689424)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _705434)
   Exit: (214) [system] get_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', _687566)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _723076)
   Call: (216) [system] peek_char((0x560c892e10d0), _724010)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_728730, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _723076=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['D'], _687566)
^  Call: (216) [user] classify_and_convert_charseq_(['D'], _735166)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_736118, _736120), once(user:catch(read_from_chars(['D'], _735166), _736100, fail)), '$restore_trace'(_736118, _736120))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_736118, _736120))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _735166), _736100, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_735166)
   Fail: (217) [system] atomic(_735166)
   Call: (217) [system] atom_chars(_735166, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (216) [system] integer('D')
   Fail: (216) [system] integer('D')
   Call: (216) [system] _687566='D'
   Exit: (216) [system] 'D'='D'
^  Exit: (215) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _750116)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _751974)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _767984)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _771774)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _750116=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _650906=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (212) [system] _553568=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (211) [system] _364222=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _785656)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _787514)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _797108)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _799812)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _816746)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _822316)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _824174)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _840184)
   Exit: (211) [system] get_char((0x560c892e10d0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'E', _822316)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _857826)
   Call: (213) [system] peek_char((0x560c892e10d0), _858760)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_863480, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _857826=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['E'], _822316)
^  Call: (213) [user] classify_and_convert_charseq_(['E'], _869916)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_870868, _870870), once(user:catch(read_from_chars(['E'], _869916), _870850, fail)), '$restore_trace'(_870868, _870870))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_870868, _870870))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _869916), _870850, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_869916)
   Fail: (214) [system] atomic(_869916)
   Call: (214) [system] atom_chars(_869916, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (213) [system] integer('E')
   Fail: (213) [system] integer('E')
   Call: (213) [system] _822316='E'
   Exit: (213) [system] 'E'='E'
^  Exit: (212) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _884866)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _886724)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _902734)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _906524)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _884866=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _785656=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (209) [system] _327562=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _54566=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _920406)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _922264)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _938274)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _942064)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _920406=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _17906=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (205) [system] _4252=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (205) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (204) [system] _4244=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (204) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _955946)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _957804)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _973814)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _977604)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _955946=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _4240=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (202) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (201) [system] _4216=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (201) [system] [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (200) [system] _4208=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (200) [system] [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _991486)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _993344)
   Exit: (200) [system] peek_char((0x560c892e10d0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x560c892e10d0), _1004794)
   Exit: (200) [system] get_char((0x560c892e10d0), '\n')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1007498)
   Exit: (201) [system] peek_char((0x560c892e10d0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x560c892e10d0), _1017092)
   Exit: (201) [system] get_char((0x560c892e10d0), '\t')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1019796)
   Exit: (202) [system] peek_char((0x560c892e10d0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x560c892e10d0), _1029390)
   Exit: (202) [system] get_char((0x560c892e10d0), '\t')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1032094)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1041688)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1044392)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1064098)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1069668)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1071526)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1087536)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1069668)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1093106)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1109116)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1114686)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1116544)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1132554)
   Exit: (202) [system] get_char((0x560c892e10d0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), :, _1114686)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1150196)
   Call: (204) [system] peek_char((0x560c892e10d0), _1151130)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1150196=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _1114686)
^  Call: (204) [user] classify_and_convert_charseq_([:], _1160414)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1161366, _1161368), once(user:catch(read_from_chars([:], _1160414), _1161348, fail)), '$restore_trace'(_1161366, _1161368))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1161366, _1161368))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1161348, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _1114686=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1173494)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1175352)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1184946)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1187650)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1204584)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1210154)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1212012)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1228022)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1210154)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1233592)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1249602)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1255172)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1257030)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1273040)
   Exit: (205) [system] get_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1255172)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1290682)
   Call: (207) [system] peek_char((0x560c892e10d0), _1291616)
   Exit: (207) [system] peek_char((0x560c892e10d0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1296336, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1297268, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x560c892e10d0), o)
   Exit: (207) [system] get_char((0x560c892e10d0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1304618)
   Call: (208) [system] peek_char((0x560c892e10d0), _1305552)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1310272, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1311204, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1318554)
   Call: (209) [system] peek_char((0x560c892e10d0), _1319488)
   Exit: (209) [system] peek_char((0x560c892e10d0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_1324208, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_1325140, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x560c892e10d0), j)
   Exit: (209) [system] get_char((0x560c892e10d0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1332490)
   Call: (210) [system] peek_char((0x560c892e10d0), _1333424)
   Exit: (210) [system] peek_char((0x560c892e10d0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1338144, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1339076, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x560c892e10d0), u)
   Exit: (210) [system] get_char((0x560c892e10d0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1346426)
   Call: (211) [system] peek_char((0x560c892e10d0), _1347360)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1352080, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1353012, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1360362)
   Call: (212) [system] peek_char((0x560c892e10d0), _1361296)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1366016, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1366948, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1374298)
   Call: (213) [system] peek_char((0x560c892e10d0), _1375232)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1379952, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1380884, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1388234)
   Call: (214) [system] peek_char((0x560c892e10d0), _1389168)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1393888, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1394820, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1402170)
   Call: (215) [system] peek_char((0x560c892e10d0), _1403104)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1407824, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1408756, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1416106)
   Call: (216) [system] peek_char((0x560c892e10d0), _1417040)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1421760, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1422692, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1430042)
   Call: (217) [system] peek_char((0x560c892e10d0), _1430976)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_1435696, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_1436628, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x560c892e10d0), 'I')
   Exit: (217) [system] get_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1443978)
   Call: (218) [system] peek_char((0x560c892e10d0), _1444912)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1449632, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1450564, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1457914)
   Call: (219) [system] peek_char((0x560c892e10d0), _1458848)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1463568, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1464500, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1471850)
   Call: (220) [system] peek_char((0x560c892e10d0), _1472784)
   Exit: (220) [system] peek_char((0x560c892e10d0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1477504, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_1478436, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x560c892e10d0), r)
   Exit: (220) [system] get_char((0x560c892e10d0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1485786)
   Call: (221) [system] peek_char((0x560c892e10d0), _1486720)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1491440, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1492372, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499722)
   Call: (222) [system] peek_char((0x560c892e10d0), _1500656)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1505376, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1506308, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1513658)
   Call: (223) [system] peek_char((0x560c892e10d0), _1514592)
   Exit: (223) [system] peek_char((0x560c892e10d0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1519312, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1520244, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x560c892e10d0), u)
   Exit: (223) [system] get_char((0x560c892e10d0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1527594)
   Call: (224) [system] peek_char((0x560c892e10d0), _1528528)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1533248, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1534180, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1541530)
   Call: (225) [system] peek_char((0x560c892e10d0), _1542464)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1547184, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1548116, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1555466)
   Call: (226) [system] peek_char((0x560c892e10d0), _1556400)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1561120, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1562052, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1569402)
   Call: (227) [system] peek_char((0x560c892e10d0), _1570336)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1575056, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1575988, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1583338)
   Call: (228) [system] peek_char((0x560c892e10d0), _1584272)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1588992, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1589924, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1597274)
   Call: (229) [system] peek_char((0x560c892e10d0), _1598208)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1597274=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _1583338=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (227) [system] _1569402=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (226) [system] _1555466=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (225) [system] _1541530=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (224) [system] _1527594=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (223) [system] _1513658=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (222) [system] _1499722=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (221) [system] _1485786=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _1471850=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1457914=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1443978=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1430042=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1416106=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1402170=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1388234=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1374298=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1360362=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1346426=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1332490=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1318554=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1304618=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1290682=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1255172)
^  Call: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1668960)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1669912, _1669914), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1668960), _1669894, fail)), '$restore_trace'(_1669912, _1669914))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1669912, _1669914))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1668960), _1669894, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1668960)
   Fail: (208) [system] atomic(_1668960)
   Call: (208) [system] atom_chars(_1668960, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (207) [system] integer('ConjunctionIntroduction')
   Fail: (207) [system] integer('ConjunctionIntroduction')
   Call: (207) [system] _1255172='ConjunctionIntroduction'
   Exit: (207) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1683910)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1685768)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1695362)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1698066)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1715000)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1720570)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1722428)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1738438)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), c, _1720570)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1756080)
   Call: (208) [system] peek_char((0x560c892e10d0), _1757014)
   Exit: (208) [system] peek_char((0x560c892e10d0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1761734, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1762666, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x560c892e10d0), d)
   Exit: (208) [system] get_char((0x560c892e10d0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1770016)
   Call: (209) [system] peek_char((0x560c892e10d0), _1770950)
   Exit: (209) [system] peek_char((0x560c892e10d0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1775670, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1776602, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x560c892e10d0), e)
   Exit: (209) [system] get_char((0x560c892e10d0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1783952)
   Call: (210) [system] peek_char((0x560c892e10d0), _1784886)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1783952=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1770016=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (208) [system] _1756080=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq([c, d, e], _1720570)
^  Call: (208) [user] classify_and_convert_charseq_([c, d, e], _1799758)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1800710, _1800712), once(user:catch(read_from_chars([c, d, e], _1799758), _1800692, fail)), '$restore_trace'(_1800710, _1800712))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1800710, _1800712))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1800692, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (208) [system] integer(cde)
   Fail: (208) [system] integer(cde)
   Call: (208) [system] _1720570=cde
   Exit: (208) [system] cde=cde
^  Exit: (207) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1812838)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1814696)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1824290)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1826994)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1843928)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1849498)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1851356)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1867366)
   Exit: (207) [system] get_char((0x560c892e10d0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), a, _1849498)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1885008)
   Call: (209) [system] peek_char((0x560c892e10d0), _1885942)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1890662, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1885008=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq([a], _1849498)
^  Call: (209) [user] classify_and_convert_charseq_([a], _1897098)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1898050, _1898052), once(user:catch(read_from_chars([a], _1897098), _1898032, fail)), '$restore_trace'(_1898050, _1898052))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1898050, _1898052))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1898032, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq_([a], a)
   Call: (209) [system] integer(a)
   Fail: (209) [system] integer(a)
   Call: (209) [system] _1849498=a
   Exit: (209) [system] a=a
^  Exit: (208) [user] classify_and_convert_charseq([a], a)
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1910178)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1912036)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1928046)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _1931836)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _1910178=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _1812838=[a]
   Exit: (206) [system] [a]=[a]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (205) [system] _1683910=[cde, a]
   Exit: (205) [system] [cde, a]=[cde, a]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (204) [system] _1210154=['ConjunctionIntroduction', cde, a]
   Exit: (204) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, a])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, a])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1945718)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1947576)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1957170)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1959874)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1976808)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1982378)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1984236)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _2000246)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1982378)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2005816)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2021826)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _2027396)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2029254)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _2045264)
   Exit: (206) [system] get_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2027396)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _2062906)
   Call: (208) [system] peek_char((0x560c892e10d0), _2063840)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_2068560, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_2069492, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2076842)
   Call: (209) [system] peek_char((0x560c892e10d0), _2077776)
   Exit: (209) [system] peek_char((0x560c892e10d0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_2082496, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_2083428, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x560c892e10d0), d)
   Exit: (209) [system] get_char((0x560c892e10d0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2090778)
   Call: (210) [system] peek_char((0x560c892e10d0), _2091712)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_4464, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_5012, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x560c892e10d0), 'L')
   Exit: (210) [system] get_char((0x560c892e10d0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _12362)
   Call: (211) [system] peek_char((0x560c892e10d0), _13296)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_18016, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_18948, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _26298)
   Call: (212) [system] peek_char((0x560c892e10d0), _27232)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_31952, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_32884, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _40234)
   Call: (213) [system] peek_char((0x560c892e10d0), _41168)
   Exit: (213) [system] peek_char((0x560c892e10d0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_45888, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_46820, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x560c892e10d0), k)
   Exit: (213) [system] get_char((0x560c892e10d0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _54170)
   Call: (214) [system] peek_char((0x560c892e10d0), _55104)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _54170=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _40234=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (212) [system] _26298=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (211) [system] _12362=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (210) [system] _4394=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (209) [system] _4390=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (208) [system] _4386=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4382)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _81152)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_82104, _82106), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _81152), _82086, fail)), '$restore_trace'(_82104, _82106))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_82104, _82106))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _81152), _82086, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_81152)
   Fail: (209) [system] atomic(_81152)
   Call: (209) [system] atom_chars(_81152, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _4382='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _96102)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _97960)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _107554)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _110258)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _127192)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _132762)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _134620)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _150630)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _132762)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _156200)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _172210)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _177780)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _179638)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _195648)
   Exit: (209) [system] get_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', _177780)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _213290)
   Call: (211) [system] peek_char((0x560c892e10d0), _214224)
   Exit: (211) [system] peek_char((0x560c892e10d0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_218944, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_219876, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x560c892e10d0), m)
   Exit: (211) [system] get_char((0x560c892e10d0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _227226)
   Call: (212) [system] peek_char((0x560c892e10d0), _228160)
   Exit: (212) [system] peek_char((0x560c892e10d0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_232880, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_233812, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x560c892e10d0), p)
   Exit: (212) [system] get_char((0x560c892e10d0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _241162)
   Call: (213) [system] peek_char((0x560c892e10d0), _242096)
   Exit: (213) [system] peek_char((0x560c892e10d0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_246816, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_247748, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x560c892e10d0), l)
   Exit: (213) [system] get_char((0x560c892e10d0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _255098)
   Call: (214) [system] peek_char((0x560c892e10d0), _256032)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_260752, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_261684, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _269034)
   Call: (215) [system] peek_char((0x560c892e10d0), _269968)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_274688, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_275620, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _282970)
   Call: (216) [system] peek_char((0x560c892e10d0), _283904)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_288624, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_289556, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x560c892e10d0), a)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _296906)
   Call: (217) [system] peek_char((0x560c892e10d0), _297840)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_302560, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_303492, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _310842)
   Call: (218) [system] peek_char((0x560c892e10d0), _311776)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_316496, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_317428, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _324778)
   Call: (219) [system] peek_char((0x560c892e10d0), _325712)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_330432, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_331364, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _338714)
   Call: (220) [system] peek_char((0x560c892e10d0), _339648)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_344368, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_345300, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _352650)
   Call: (221) [system] peek_char((0x560c892e10d0), _353584)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _352650=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _338714=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (219) [system] _324778=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (218) [system] _310842=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (217) [system] _296906=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (216) [system] _282970=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (215) [system] _269034=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (214) [system] _255098=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (213) [system] _241162=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _227226=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _213290=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _177780)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _390808)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_391760, _391762), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _390808), _391742, fail)), '$restore_trace'(_391760, _391762))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_391760, _391762))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _390808), _391742, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_390808)
   Fail: (212) [system] atomic(_390808)
   Call: (212) [system] atom_chars(_390808, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _177780='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _405758)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _407616)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _417210)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _419914)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _436848)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _442418)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _444276)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _460286)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _442418)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _465856)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _481866)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _487436)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _489294)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _505304)
   Exit: (212) [system] get_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', _487436)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _522946)
   Call: (214) [system] peek_char((0x560c892e10d0), _523880)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_528600, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_529532, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _536882)
   Call: (215) [system] peek_char((0x560c892e10d0), _537816)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_542536, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_543468, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _550818)
   Call: (216) [system] peek_char((0x560c892e10d0), _551752)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_556472, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_557404, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _564754)
   Call: (217) [system] peek_char((0x560c892e10d0), _565688)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_570408, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_571340, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _578690)
   Call: (218) [system] peek_char((0x560c892e10d0), _579624)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_584344, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_585276, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _592626)
   Call: (219) [system] peek_char((0x560c892e10d0), _593560)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _592626=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _578690=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _564754=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _550818=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _536882=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _522946=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _487436)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _616814)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_617766, _617768), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _616814), _617748, fail)), '$restore_trace'(_617766, _617768))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_617766, _617768))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _616814), _617748, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_616814)
   Fail: (215) [system] atomic(_616814)
   Call: (215) [system] atom_chars(_616814, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _487436='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _631764)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _633622)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _643216)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _645920)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _662854)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _668424)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _670282)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _686292)
   Exit: (213) [system] get_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', _668424)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _703934)
   Call: (215) [system] peek_char((0x560c892e10d0), _704868)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _703934=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _668424)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _714152)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_715104, _715106), once(user:catch(read_from_chars(['C'], _714152), _715086, fail)), '$restore_trace'(_715104, _715106))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_715104, _715106))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _714152), _715086, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_714152)
   Fail: (216) [system] atomic(_714152)
   Call: (216) [system] atom_chars(_714152, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _668424='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _729102)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _730960)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _740554)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _743258)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _760192)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _765762)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _767620)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _783630)
   Exit: (214) [system] get_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', _765762)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _801272)
   Call: (216) [system] peek_char((0x560c892e10d0), _802206)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_806926, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _801272=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['D'], _765762)
^  Call: (216) [user] classify_and_convert_charseq_(['D'], _813362)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_814314, _814316), once(user:catch(read_from_chars(['D'], _813362), _814296, fail)), '$restore_trace'(_814314, _814316))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_814314, _814316))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _813362), _814296, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_813362)
   Fail: (217) [system] atomic(_813362)
   Call: (217) [system] atom_chars(_813362, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (216) [system] integer('D')
   Fail: (216) [system] integer('D')
   Call: (216) [system] _765762='D'
   Exit: (216) [system] 'D'='D'
^  Exit: (215) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _828312)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _830170)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _846180)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _849970)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _828312=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _729102=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (212) [system] _631764=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (211) [system] _442418=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _863852)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _865710)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _875304)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _878008)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _894942)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _900512)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _902370)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _918380)
   Exit: (211) [system] get_char((0x560c892e10d0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'E', _900512)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _936022)
   Call: (213) [system] peek_char((0x560c892e10d0), _936956)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_941676, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _936022=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['E'], _900512)
^  Call: (213) [user] classify_and_convert_charseq_(['E'], _948112)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_949064, _949066), once(user:catch(read_from_chars(['E'], _948112), _949046, fail)), '$restore_trace'(_949064, _949066))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_949064, _949066))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _948112), _949046, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_948112)
   Fail: (214) [system] atomic(_948112)
   Call: (214) [system] atom_chars(_948112, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (213) [system] integer('E')
   Fail: (213) [system] integer('E')
   Call: (213) [system] _900512='E'
   Exit: (213) [system] 'E'='E'
^  Exit: (212) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _963062)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _964920)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _980930)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _984720)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _963062=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _863852=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (209) [system] _405758=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _132762=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _998602)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1000460)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1010054)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1012758)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1029692)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1035262)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1037120)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1053130)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1035262)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1070772)
   Call: (210) [system] peek_char((0x560c892e10d0), _1071706)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1076426, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1070772=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1035262)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1082862)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1083814, _1083816), once(user:catch(read_from_chars(['A'], _1082862), _1083796, fail)), '$restore_trace'(_1083814, _1083816))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1083814, _1083816))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1082862), _1083796, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1082862)
   Fail: (211) [system] atomic(_1082862)
   Call: (211) [system] atom_chars(_1082862, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1035262='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1097812)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1099670)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1115680)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1119470)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1097812=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _998602=['A']
   Exit: (207) [system] ['A']=['A']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (206) [system] _96102=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (205) [system] _4376=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (205) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1133352)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1135210)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1151220)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1155010)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1133352=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _4372=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (203) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (202) [system] _4348=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (202) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (201) [system] _4340=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (201) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1168892)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1170750)
   Exit: (201) [system] peek_char((0x560c892e10d0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x560c892e10d0), _1182200)
   Exit: (201) [system] get_char((0x560c892e10d0), '\n')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1184904)
   Exit: (202) [system] peek_char((0x560c892e10d0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x560c892e10d0), _1194498)
   Exit: (202) [system] get_char((0x560c892e10d0), '\t')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1197202)
   Exit: (203) [system] peek_char((0x560c892e10d0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x560c892e10d0), _1206796)
   Exit: (203) [system] get_char((0x560c892e10d0), '\t')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1209500)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1219094)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1221798)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1241504)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1247074)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1248932)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1264942)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1247074)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1270512)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1286522)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1292092)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1293950)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1309960)
   Exit: (203) [system] get_char((0x560c892e10d0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), :, _1292092)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327602)
   Call: (205) [system] peek_char((0x560c892e10d0), _1328536)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1327602=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1292092)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1337820)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1338772, _1338774), once(user:catch(read_from_chars([:], _1337820), _1338754, fail)), '$restore_trace'(_1338772, _1338774))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1338772, _1338774))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1338754, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1292092=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1350900)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1352758)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1362352)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1365056)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1381990)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1387560)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1389418)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1405428)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1387560)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1410998)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1427008)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1432578)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1434436)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1450446)
   Exit: (206) [system] get_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1432578)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1468088)
   Call: (208) [system] peek_char((0x560c892e10d0), _1469022)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1473742, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1474674, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1482024)
   Call: (209) [system] peek_char((0x560c892e10d0), _1482958)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1487678, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1488610, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1495960)
   Call: (210) [system] peek_char((0x560c892e10d0), _1496894)
   Exit: (210) [system] peek_char((0x560c892e10d0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1501614, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1502546, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x560c892e10d0), j)
   Exit: (210) [system] get_char((0x560c892e10d0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1509896)
   Call: (211) [system] peek_char((0x560c892e10d0), _1510830)
   Exit: (211) [system] peek_char((0x560c892e10d0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1515550, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1516482, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x560c892e10d0), u)
   Exit: (211) [system] get_char((0x560c892e10d0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1523832)
   Call: (212) [system] peek_char((0x560c892e10d0), _1524766)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1529486, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1530418, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1537768)
   Call: (213) [system] peek_char((0x560c892e10d0), _1538702)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1543422, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1544354, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1551704)
   Call: (214) [system] peek_char((0x560c892e10d0), _1552638)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1557358, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1558290, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1565640)
   Call: (215) [system] peek_char((0x560c892e10d0), _1566574)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1571294, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1572226, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1579576)
   Call: (216) [system] peek_char((0x560c892e10d0), _1580510)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1585230, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1586162, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1593512)
   Call: (217) [system] peek_char((0x560c892e10d0), _1594446)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1599166, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1600098, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1607448)
   Call: (218) [system] peek_char((0x560c892e10d0), _1608382)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1613102, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1614034, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x560c892e10d0), 'I')
   Exit: (218) [system] get_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1621384)
   Call: (219) [system] peek_char((0x560c892e10d0), _1622318)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1627038, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1627970, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1635320)
   Call: (220) [system] peek_char((0x560c892e10d0), _1636254)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1640974, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1641906, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1649256)
   Call: (221) [system] peek_char((0x560c892e10d0), _1650190)
   Exit: (221) [system] peek_char((0x560c892e10d0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1654910, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1655842, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x560c892e10d0), r)
   Exit: (221) [system] get_char((0x560c892e10d0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1663192)
   Call: (222) [system] peek_char((0x560c892e10d0), _1664126)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1668846, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1669778, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677128)
   Call: (223) [system] peek_char((0x560c892e10d0), _1678062)
   Exit: (223) [system] peek_char((0x560c892e10d0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1682782, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1683714, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x560c892e10d0), d)
   Exit: (223) [system] get_char((0x560c892e10d0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1691064)
   Call: (224) [system] peek_char((0x560c892e10d0), _1691998)
   Exit: (224) [system] peek_char((0x560c892e10d0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1696718, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1697650, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x560c892e10d0), u)
   Exit: (224) [system] get_char((0x560c892e10d0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705000)
   Call: (225) [system] peek_char((0x560c892e10d0), _1705934)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1710654, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1711586, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1718936)
   Call: (226) [system] peek_char((0x560c892e10d0), _1719870)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1724590, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1725522, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1732872)
   Call: (227) [system] peek_char((0x560c892e10d0), _1733806)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1738526, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1739458, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1746808)
   Call: (228) [system] peek_char((0x560c892e10d0), _1747742)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1752462, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1753394, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1760744)
   Call: (229) [system] peek_char((0x560c892e10d0), _1761678)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1766398, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1767330, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1774680)
   Call: (230) [system] peek_char((0x560c892e10d0), _1775614)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1774680=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1760744=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (228) [system] _1746808=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (227) [system] _1732872=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (226) [system] _1718936=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (225) [system] _1705000=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (224) [system] _1691064=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (223) [system] _1677128=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1663192=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1649256=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1635320=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1621384=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1607448=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1593512=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1579576=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1565640=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1551704=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1537768=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1523832=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1509896=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1495960=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1482024=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1468088=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1432578)
^  Call: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846366)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1847318, _1847320), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846366), _1847300, fail)), '$restore_trace'(_1847318, _1847320))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1847318, _1847320))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846366), _1847300, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1846366)
   Fail: (209) [system] atomic(_1846366)
   Call: (209) [system] atom_chars(_1846366, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (208) [system] integer('ConjunctionIntroduction')
   Fail: (208) [system] integer('ConjunctionIntroduction')
   Call: (208) [system] _1432578='ConjunctionIntroduction'
   Exit: (208) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1861316)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1863174)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1872768)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1875472)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1892406)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
   Call: (206) [system] c=')'
   Fail: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1897976)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1899834)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1915844)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c='('
   Fail: (207) [system] c='('
   Call: (207) [system] c='['
   Fail: (207) [system] c='['
   Call: (207) [system] c='{'
   Fail: (207) [system] c='{'
   Call: (207) [system] c='"'
   Fail: (207) [system] c='"'
   Call: (207) [system] c=!
   Fail: (207) [system] c=!
   Call: (207) [system] c='\''
   Fail: (207) [system] c='\''
   Call: (207) [system] c='`'
   Fail: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), c, _1897976)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1933486)
   Call: (209) [system] peek_char((0x560c892e10d0), _1934420)
   Exit: (209) [system] peek_char((0x560c892e10d0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1939140, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1940072, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x560c892e10d0), d)
   Exit: (209) [system] get_char((0x560c892e10d0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1947422)
   Call: (210) [system] peek_char((0x560c892e10d0), _1948356)
   Exit: (210) [system] peek_char((0x560c892e10d0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1953076, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1954008, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x560c892e10d0), e)
   Exit: (210) [system] get_char((0x560c892e10d0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1961358)
   Call: (211) [system] peek_char((0x560c892e10d0), _1962292)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1961358=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1947422=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (209) [system] _1933486=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (208) [user] classify_and_convert_charseq([c, d, e], _1897976)
^  Call: (209) [user] classify_and_convert_charseq_([c, d, e], _1977164)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1978116, _1978118), once(user:catch(read_from_chars([c, d, e], _1977164), _1978098, fail)), '$restore_trace'(_1978116, _1978118))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1978116, _1978118))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1978098, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(cde)
   Exit: (210) [system] atomic(cde)
^  Exit: (209) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (209) [system] integer(cde)
   Fail: (209) [system] integer(cde)
   Call: (209) [system] _1897976=cde
   Exit: (209) [system] cde=cde
^  Exit: (208) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1990244)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1992102)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _2001696)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2004400)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2021334)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _2026904)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2028762)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _2044772)
   Exit: (208) [system] get_char((0x560c892e10d0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), a, _2026904)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2062414)
   Call: (210) [system] peek_char((0x560c892e10d0), _2063348)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_2068068, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _2062414=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _2026904)
^  Call: (210) [user] classify_and_convert_charseq_([a], _2074504)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2075456, _2075458), once(user:catch(read_from_chars([a], _2074504), _2075438, fail)), '$restore_trace'(_2075456, _2075458))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2075456, _2075458))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2075438, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _2026904=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _2087584)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2089442)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _13368)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _17158)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _4468=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _4462=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (206) [system] _4456=[cde, a]
   Exit: (206) [system] [cde, a]=[cde, a]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (205) [system] _4448=['ConjunctionIntroduction', cde, a]
   Exit: (205) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, a])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', cde, a])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _31040)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _32898)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _42492)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _45196)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _62130)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _67700)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _69558)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _85568)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _67700)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _91138)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _107148)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _112718)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _114576)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _130586)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _112718)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _148228)
   Call: (209) [system] peek_char((0x560c892e10d0), _149162)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_153882, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_154814, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _162164)
   Call: (210) [system] peek_char((0x560c892e10d0), _163098)
   Exit: (210) [system] peek_char((0x560c892e10d0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_167818, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_168750, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x560c892e10d0), d)
   Exit: (210) [system] get_char((0x560c892e10d0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _176100)
   Call: (211) [system] peek_char((0x560c892e10d0), _177034)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_181754, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_182686, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _190036)
   Call: (212) [system] peek_char((0x560c892e10d0), _190970)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_195690, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_196622, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _203972)
   Call: (213) [system] peek_char((0x560c892e10d0), _204906)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_209626, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_210558, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _217908)
   Call: (214) [system] peek_char((0x560c892e10d0), _218842)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_223562, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_224494, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _231844)
   Call: (215) [system] peek_char((0x560c892e10d0), _232778)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _231844=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _217908=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _203972=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _190036=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _176100=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _162164=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (209) [system] _148228=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _112718)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _258826)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_259778, _259780), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _258826), _259760, fail)), '$restore_trace'(_259778, _259780))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_259778, _259780))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _258826), _259760, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_258826)
   Fail: (210) [system] atomic(_258826)
   Call: (210) [system] atom_chars(_258826, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _112718='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _273776)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _275634)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _285228)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _287932)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _304866)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _310436)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _312294)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _328304)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _310436)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _333874)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _349884)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _355454)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _357312)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _373322)
   Exit: (210) [system] get_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'I', _355454)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _390964)
   Call: (212) [system] peek_char((0x560c892e10d0), _391898)
   Exit: (212) [system] peek_char((0x560c892e10d0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_396618, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_397550, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x560c892e10d0), m)
   Exit: (212) [system] get_char((0x560c892e10d0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _404900)
   Call: (213) [system] peek_char((0x560c892e10d0), _405834)
   Exit: (213) [system] peek_char((0x560c892e10d0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_410554, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_411486, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x560c892e10d0), p)
   Exit: (213) [system] get_char((0x560c892e10d0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _418836)
   Call: (214) [system] peek_char((0x560c892e10d0), _419770)
   Exit: (214) [system] peek_char((0x560c892e10d0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_424490, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_425422, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x560c892e10d0), l)
   Exit: (214) [system] get_char((0x560c892e10d0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _432772)
   Call: (215) [system] peek_char((0x560c892e10d0), _433706)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_438426, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_439358, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _446708)
   Call: (216) [system] peek_char((0x560c892e10d0), _447642)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_452362, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_453294, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _460644)
   Call: (217) [system] peek_char((0x560c892e10d0), _461578)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_466298, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_467230, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x560c892e10d0), a)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _474580)
   Call: (218) [system] peek_char((0x560c892e10d0), _475514)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_480234, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_481166, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _488516)
   Call: (219) [system] peek_char((0x560c892e10d0), _489450)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_494170, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_495102, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _502452)
   Call: (220) [system] peek_char((0x560c892e10d0), _503386)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_508106, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_509038, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _516388)
   Call: (221) [system] peek_char((0x560c892e10d0), _517322)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_522042, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_522974, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _530324)
   Call: (222) [system] peek_char((0x560c892e10d0), _531258)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _530324=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _516388=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (220) [system] _502452=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (219) [system] _488516=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (218) [system] _474580=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (217) [system] _460644=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (216) [system] _446708=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (215) [system] _432772=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (214) [system] _418836=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _404900=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _390964=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _355454)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _568482)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_569434, _569436), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _568482), _569416, fail)), '$restore_trace'(_569434, _569436))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_569434, _569436))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _568482), _569416, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_568482)
   Fail: (213) [system] atomic(_568482)
   Call: (213) [system] atom_chars(_568482, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _355454='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _583432)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _585290)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _594884)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _597588)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _614522)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _620092)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _621950)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _637960)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _620092)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _643530)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _659540)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _665110)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _666968)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _682978)
   Exit: (213) [system] get_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', _665110)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _700620)
   Call: (215) [system] peek_char((0x560c892e10d0), _701554)
   Exit: (215) [system] peek_char((0x560c892e10d0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_706274, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_707206, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x560c892e10d0), r)
   Exit: (215) [system] get_char((0x560c892e10d0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _714556)
   Call: (216) [system] peek_char((0x560c892e10d0), _715490)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_720210, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_721142, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x560c892e10d0), 'L')
   Exit: (216) [system] get_char((0x560c892e10d0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _728492)
   Call: (217) [system] peek_char((0x560c892e10d0), _729426)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_734146, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_735078, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _742428)
   Call: (218) [system] peek_char((0x560c892e10d0), _743362)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_748082, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_749014, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _756364)
   Call: (219) [system] peek_char((0x560c892e10d0), _757298)
   Exit: (219) [system] peek_char((0x560c892e10d0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_762018, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_762950, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x560c892e10d0), k)
   Exit: (219) [system] get_char((0x560c892e10d0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _770300)
   Call: (220) [system] peek_char((0x560c892e10d0), _771234)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _770300=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _756364=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (218) [system] _742428=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (217) [system] _728492=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (216) [system] _714556=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (215) [system] _700620=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _665110)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _794488)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_795440, _795442), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794488), _795422, fail)), '$restore_trace'(_795440, _795442))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_795440, _795442))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794488), _795422, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_794488)
   Fail: (216) [system] atomic(_794488)
   Call: (216) [system] atom_chars(_794488, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _665110='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _809438)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _811296)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _820890)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _823594)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _840528)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _846098)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _847956)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _863966)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _846098)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _881608)
   Call: (216) [system] peek_char((0x560c892e10d0), _882542)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _881608=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _846098)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _891826)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_892778, _892780), once(user:catch(read_from_chars(['C'], _891826), _892760, fail)), '$restore_trace'(_892778, _892780))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_892778, _892780))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _891826), _892760, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_891826)
   Fail: (217) [system] atomic(_891826)
   Call: (217) [system] atom_chars(_891826, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _846098='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _906776)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _908634)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _918228)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _920932)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _937866)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _943436)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _945294)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _961304)
   Exit: (215) [system] get_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', _943436)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _978946)
   Call: (217) [system] peek_char((0x560c892e10d0), _979880)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_984600, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _978946=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['D'], _943436)
^  Call: (217) [user] classify_and_convert_charseq_(['D'], _991036)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_991988, _991990), once(user:catch(read_from_chars(['D'], _991036), _991970, fail)), '$restore_trace'(_991988, _991990))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_991988, _991990))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _991036), _991970, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_991036)
   Fail: (218) [system] atomic(_991036)
   Call: (218) [system] atom_chars(_991036, ['D'])
   Exit: (218) [system] atom_chars('D', ['D'])
^  Exit: (217) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (217) [system] integer('D')
   Fail: (217) [system] integer('D')
   Call: (217) [system] _943436='D'
   Exit: (217) [system] 'D'='D'
^  Exit: (216) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1005986)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1007844)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1023854)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1027644)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1005986=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _906776=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (213) [system] _809438=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (212) [system] _620092=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1041526)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1043384)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1052978)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1055682)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1072616)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'E')
   Call: (211) [system] 'E'=')'
   Fail: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1078186)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1080044)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1096054)
   Exit: (212) [system] get_char((0x560c892e10d0), 'E')
   Call: (212) [system] 'E'='('
   Fail: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Fail: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Fail: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Fail: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Fail: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Fail: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Fail: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1078186)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1113696)
   Call: (214) [system] peek_char((0x560c892e10d0), _1114630)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1119350, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1113696=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['E'], _1078186)
^  Call: (214) [user] classify_and_convert_charseq_(['E'], _1125786)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1126738, _1126740), once(user:catch(read_from_chars(['E'], _1125786), _1126720, fail)), '$restore_trace'(_1126738, _1126740))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1126738, _1126740))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1125786), _1126720, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1125786)
   Fail: (215) [system] atomic(_1125786)
   Call: (215) [system] atom_chars(_1125786, ['E'])
   Exit: (215) [system] atom_chars('E', ['E'])
^  Exit: (214) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (214) [system] integer('E')
   Fail: (214) [system] integer('E')
   Call: (214) [system] _1078186='E'
   Exit: (214) [system] 'E'='E'
^  Exit: (213) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1140736)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1142594)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1158604)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1162394)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1140736=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _1041526=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (210) [system] _583432=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _310436=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1176276)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1178134)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1187728)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1190432)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1207366)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1212936)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1214794)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1230804)
   Exit: (209) [system] get_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1212936)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1248446)
   Call: (211) [system] peek_char((0x560c892e10d0), _1249380)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1254100, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1248446=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1212936)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1260536)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1261488, _1261490), once(user:catch(read_from_chars(['B'], _1260536), _1261470, fail)), '$restore_trace'(_1261488, _1261490))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1261488, _1261490))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1260536), _1261470, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1260536)
   Fail: (212) [system] atomic(_1260536)
   Call: (212) [system] atom_chars(_1260536, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1212936='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1275486)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1277344)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1293354)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1297144)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1275486=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _1176276=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (207) [system] _273776=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (206) [system] _67700=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (206) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1311026)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1312884)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1328894)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1332684)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1311026=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _31040=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (204) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (203) [system] _4444=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (203) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (202) [system] _4436=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (202) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1346566)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1348424)
   Exit: (202) [system] peek_char((0x560c892e10d0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x560c892e10d0), _1359874)
   Exit: (202) [system] get_char((0x560c892e10d0), '\n')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1362578)
   Exit: (203) [system] peek_char((0x560c892e10d0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x560c892e10d0), _1372172)
   Exit: (203) [system] get_char((0x560c892e10d0), '\t')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1374876)
   Exit: (204) [system] peek_char((0x560c892e10d0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x560c892e10d0), _1384470)
   Exit: (204) [system] get_char((0x560c892e10d0), '\t')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1387174)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1396768)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1399472)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1419178)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1424748)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1426606)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1442616)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1424748)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1448186)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1464196)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1469766)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1471624)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1487634)
   Exit: (204) [system] get_char((0x560c892e10d0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), :, _1469766)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1505276)
   Call: (206) [system] peek_char((0x560c892e10d0), _1506210)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1505276=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1469766)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1515494)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1516446, _1516448), once(user:catch(read_from_chars([:], _1515494), _1516428, fail)), '$restore_trace'(_1516446, _1516448))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1516446, _1516448))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1516428, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1469766=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1528574)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1530432)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1540026)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1542730)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1559664)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1565234)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1567092)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1583102)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1565234)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1588672)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1604682)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1610252)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1612110)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1628120)
   Exit: (207) [system] get_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1610252)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1645762)
   Call: (209) [system] peek_char((0x560c892e10d0), _1646696)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1651416, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1652348, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1659698)
   Call: (210) [system] peek_char((0x560c892e10d0), _1660632)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1665352, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1666284, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1673634)
   Call: (211) [system] peek_char((0x560c892e10d0), _1674568)
   Exit: (211) [system] peek_char((0x560c892e10d0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1679288, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1680220, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x560c892e10d0), j)
   Exit: (211) [system] get_char((0x560c892e10d0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1687570)
   Call: (212) [system] peek_char((0x560c892e10d0), _1688504)
   Exit: (212) [system] peek_char((0x560c892e10d0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1693224, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1694156, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x560c892e10d0), u)
   Exit: (212) [system] get_char((0x560c892e10d0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1701506)
   Call: (213) [system] peek_char((0x560c892e10d0), _1702440)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1707160, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1708092, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1715442)
   Call: (214) [system] peek_char((0x560c892e10d0), _1716376)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1721096, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1722028, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1729378)
   Call: (215) [system] peek_char((0x560c892e10d0), _1730312)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1735032, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1735964, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1743314)
   Call: (216) [system] peek_char((0x560c892e10d0), _1744248)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1748968, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1749900, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1757250)
   Call: (217) [system] peek_char((0x560c892e10d0), _1758184)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1762904, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1763836, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1771186)
   Call: (218) [system] peek_char((0x560c892e10d0), _1772120)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1776840, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1777772, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1785122)
   Call: (219) [system] peek_char((0x560c892e10d0), _1786056)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1790776, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1791708, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x560c892e10d0), 'I')
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1799058)
   Call: (220) [system] peek_char((0x560c892e10d0), _1799992)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1804712, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1805644, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1812994)
   Call: (221) [system] peek_char((0x560c892e10d0), _1813928)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1818648, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1819580, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1826930)
   Call: (222) [system] peek_char((0x560c892e10d0), _1827864)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1832584, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1833516, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1840866)
   Call: (223) [system] peek_char((0x560c892e10d0), _1841800)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1846520, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1847452, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1854802)
   Call: (224) [system] peek_char((0x560c892e10d0), _1855736)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1860456, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1861388, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1868738)
   Call: (225) [system] peek_char((0x560c892e10d0), _1869672)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1874392, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1875324, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1882674)
   Call: (226) [system] peek_char((0x560c892e10d0), _1883608)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1888328, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1889260, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1896610)
   Call: (227) [system] peek_char((0x560c892e10d0), _1897544)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1902264, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1903196, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910546)
   Call: (228) [system] peek_char((0x560c892e10d0), _1911480)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1916200, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1917132, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924482)
   Call: (229) [system] peek_char((0x560c892e10d0), _1925416)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1930136, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1931068, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1938418)
   Call: (230) [system] peek_char((0x560c892e10d0), _1939352)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1944072, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1945004, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1952354)
   Call: (231) [system] peek_char((0x560c892e10d0), _1953288)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1952354=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _1938418=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _1924482=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _1910546=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _1896610=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _1882674=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (225) [system] _1868738=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (224) [system] _1854802=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1840866=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1826930=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1812994=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1799058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1785122=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1771186=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1757250=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1743314=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1729378=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1715442=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1701506=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1687570=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1673634=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1659698=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1645762=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1610252)
^  Call: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_2024992, _2024994), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040), _2024974, fail)), '$restore_trace'(_2024992, _2024994))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_2024992, _2024994))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040), _2024974, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_2024040)
   Fail: (210) [system] atomic(_2024040)
   Call: (210) [system] atom_chars(_2024040, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (209) [system] integer('ConjunctionIntroduction')
   Fail: (209) [system] integer('ConjunctionIntroduction')
   Call: (209) [system] _1610252='ConjunctionIntroduction'
   Exit: (209) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _2038990)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _2040848)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _2050442)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2053146)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2070080)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _2075650)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _2077508)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _2093518)
   Exit: (208) [system] get_char((0x560c892e10d0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), a, _4556)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _18918)
   Call: (210) [system] peek_char((0x560c892e10d0), _19852)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _18918=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _4556)
^  Call: (210) [user] classify_and_convert_charseq_([a], _29136)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_30088, _30090), once(user:catch(read_from_chars([a], _29136), _30070, fail)), '$restore_trace'(_30088, _30090))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_30088, _30090))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _30070, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _4556=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _42216)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _44074)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _53668)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _56372)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _73306)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _78876)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _80734)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _96744)
   Exit: (209) [system] get_char((0x560c892e10d0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), a, _78876)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _114386)
   Call: (211) [system] peek_char((0x560c892e10d0), _115320)
   Exit: (211) [system] peek_char((0x560c892e10d0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_120040, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_120972, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x560c892e10d0), b)
   Exit: (211) [system] get_char((0x560c892e10d0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _128322)
   Call: (212) [system] peek_char((0x560c892e10d0), _129256)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_133976, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_134908, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _142258)
   Call: (213) [system] peek_char((0x560c892e10d0), _143192)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_147912, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _142258=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _128322=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (211) [system] _114386=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _78876)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _159936)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_160888, _160890), once(user:catch(read_from_chars([a, b, c], _159936), _160870, fail)), '$restore_trace'(_160888, _160890))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_160888, _160890))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _160870, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _78876=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _173016)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _174874)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _190884)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _194674)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _173016=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _42216=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (207) [system] _4552=[a, abc]
   Exit: (207) [system] [a, abc]=[a, abc]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (206) [system] _4544=['ConjunctionIntroduction', a, abc]
   Exit: (206) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, abc])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _208556)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _210414)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _220008)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _222712)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _239646)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _245216)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _247074)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _263084)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _245216)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _268654)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _284664)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _290234)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _292092)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _308102)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _290234)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _325744)
   Call: (210) [system] peek_char((0x560c892e10d0), _326678)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_331398, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_332330, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _339680)
   Call: (211) [system] peek_char((0x560c892e10d0), _340614)
   Exit: (211) [system] peek_char((0x560c892e10d0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_345334, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_346266, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x560c892e10d0), d)
   Exit: (211) [system] get_char((0x560c892e10d0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _353616)
   Call: (212) [system] peek_char((0x560c892e10d0), _354550)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_359270, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_360202, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _367552)
   Call: (213) [system] peek_char((0x560c892e10d0), _368486)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_373206, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_374138, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _381488)
   Call: (214) [system] peek_char((0x560c892e10d0), _382422)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_387142, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_388074, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _395424)
   Call: (215) [system] peek_char((0x560c892e10d0), _396358)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_401078, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_402010, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _409360)
   Call: (216) [system] peek_char((0x560c892e10d0), _410294)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _409360=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _395424=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _381488=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _367552=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _353616=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _339680=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (210) [system] _325744=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _290234)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _436342)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_437294, _437296), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _436342), _437276, fail)), '$restore_trace'(_437294, _437296))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_437294, _437296))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _436342), _437276, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_436342)
   Fail: (211) [system] atomic(_436342)
   Call: (211) [system] atom_chars(_436342, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _290234='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _451292)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _453150)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _462744)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _465448)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _482382)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _487952)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _489810)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _505820)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _487952)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _523462)
   Call: (211) [system] peek_char((0x560c892e10d0), _524396)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _523462=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _487952)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _533680)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_534632, _534634), once(user:catch(read_from_chars(['A'], _533680), _534614, fail)), '$restore_trace'(_534632, _534634))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_534632, _534634))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _533680), _534614, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_533680)
   Fail: (212) [system] atomic(_533680)
   Call: (212) [system] atom_chars(_533680, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _487952='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _548630)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _550488)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _560082)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _562786)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _579720)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _585290)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _587148)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _603158)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _585290)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _608728)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _624738)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _630308)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _632166)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _648176)
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', _630308)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _665818)
   Call: (214) [system] peek_char((0x560c892e10d0), _666752)
   Exit: (214) [system] peek_char((0x560c892e10d0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_671472, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_672404, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x560c892e10d0), m)
   Exit: (214) [system] get_char((0x560c892e10d0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _679754)
   Call: (215) [system] peek_char((0x560c892e10d0), _680688)
   Exit: (215) [system] peek_char((0x560c892e10d0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_685408, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_686340, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x560c892e10d0), p)
   Exit: (215) [system] get_char((0x560c892e10d0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _693690)
   Call: (216) [system] peek_char((0x560c892e10d0), _694624)
   Exit: (216) [system] peek_char((0x560c892e10d0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_699344, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_700276, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x560c892e10d0), l)
   Exit: (216) [system] get_char((0x560c892e10d0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _707626)
   Call: (217) [system] peek_char((0x560c892e10d0), _708560)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_713280, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_714212, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _721562)
   Call: (218) [system] peek_char((0x560c892e10d0), _722496)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_727216, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_728148, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _735498)
   Call: (219) [system] peek_char((0x560c892e10d0), _736432)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_741152, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_742084, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x560c892e10d0), a)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _749434)
   Call: (220) [system] peek_char((0x560c892e10d0), _750368)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_755088, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_756020, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _763370)
   Call: (221) [system] peek_char((0x560c892e10d0), _764304)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_769024, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_769956, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _777306)
   Call: (222) [system] peek_char((0x560c892e10d0), _778240)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_782960, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_783892, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _791242)
   Call: (223) [system] peek_char((0x560c892e10d0), _792176)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_796896, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_797828, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _805178)
   Call: (224) [system] peek_char((0x560c892e10d0), _806112)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _805178=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _791242=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _777306=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _763370=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _749434=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _735498=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (218) [system] _721562=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (217) [system] _707626=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (216) [system] _693690=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _679754=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _665818=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _630308)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _843336)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_844288, _844290), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _843336), _844270, fail)), '$restore_trace'(_844288, _844290))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_844288, _844290))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _843336), _844270, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_843336)
   Fail: (215) [system] atomic(_843336)
   Call: (215) [system] atom_chars(_843336, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _630308='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _858286)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _860144)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _869738)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _872442)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _889376)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _894946)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _896804)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _912814)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _894946)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _918384)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _934394)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _939964)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _941822)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _957832)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _939964)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _975474)
   Call: (217) [system] peek_char((0x560c892e10d0), _976408)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_981128, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_982060, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _989410)
   Call: (218) [system] peek_char((0x560c892e10d0), _990344)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_995064, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_995996, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003346)
   Call: (219) [system] peek_char((0x560c892e10d0), _1004280)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1009000, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1009932, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017282)
   Call: (220) [system] peek_char((0x560c892e10d0), _1018216)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1022936, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1023868, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031218)
   Call: (221) [system] peek_char((0x560c892e10d0), _1032152)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1036872, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1037804, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045154)
   Call: (222) [system] peek_char((0x560c892e10d0), _1046088)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1050808, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1051740, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059090)
   Call: (223) [system] peek_char((0x560c892e10d0), _1060024)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1059090=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1045154=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1031218=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1017282=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1003346=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _989410=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (217) [system] _975474=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _939964)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1086072)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1087024, _1087026), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1086072), _1087006, fail)), '$restore_trace'(_1087024, _1087026))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1087024, _1087026))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1086072), _1087006, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1086072)
   Fail: (218) [system] atomic(_1086072)
   Call: (218) [system] atom_chars(_1086072, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _939964='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1101022)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1102880)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1112474)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1115178)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1132112)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1137682)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1139540)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1155550)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1137682)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1173192)
   Call: (218) [system] peek_char((0x560c892e10d0), _1174126)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1173192=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1137682)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1183410)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1184362, _1184364), once(user:catch(read_from_chars(['A'], _1183410), _1184344, fail)), '$restore_trace'(_1184362, _1184364))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1184362, _1184364))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1183410), _1184344, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1183410)
   Fail: (219) [system] atomic(_1183410)
   Call: (219) [system] atom_chars(_1183410, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1137682='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1198360)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1200218)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1209812)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1212516)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1229450)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1235020)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1236878)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1252888)
   Exit: (217) [system] get_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1235020)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270530)
   Call: (219) [system] peek_char((0x560c892e10d0), _1271464)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1276184, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1270530=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1235020)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1282620)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1283572, _1283574), once(user:catch(read_from_chars(['B'], _1282620), _1283554, fail)), '$restore_trace'(_1283572, _1283574))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1283572, _1283574))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1282620), _1283554, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1282620)
   Fail: (220) [system] atomic(_1282620)
   Call: (220) [system] atom_chars(_1282620, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1235020='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1297570)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1299428)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1315438)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1319228)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1297570=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _1198360=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (215) [system] _1101022=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (214) [system] _894946=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1333110)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1334968)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1344562)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1347266)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1364200)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1369770)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1371628)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1387638)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1369770)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1405280)
   Call: (216) [system] peek_char((0x560c892e10d0), _1406214)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1410934, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1405280=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _1369770)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _1417370)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1418322, _1418324), once(user:catch(read_from_chars(['C'], _1417370), _1418304, fail)), '$restore_trace'(_1418322, _1418324))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1418322, _1418324))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1417370), _1418304, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1417370)
   Fail: (217) [system] atomic(_1417370)
   Call: (217) [system] atom_chars(_1417370, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _1369770='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1432320)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1434178)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1450188)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _1453978)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _1432320=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _1333110=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (212) [system] _858286=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _585290=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1467860)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1469718)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1485728)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _1489518)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _1467860=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _548630=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _451292=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _245216=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1503400)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1505258)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1521268)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _1525058)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _1503400=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _208556=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4540=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4532=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1538940)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1540798)
   Exit: (203) [system] peek_char((0x560c892e10d0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x560c892e10d0), _1552248)
   Exit: (203) [system] get_char((0x560c892e10d0), '\n')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1554952)
   Exit: (204) [system] peek_char((0x560c892e10d0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x560c892e10d0), _1564546)
   Exit: (204) [system] get_char((0x560c892e10d0), '\t')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1567250)
   Exit: (205) [system] peek_char((0x560c892e10d0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x560c892e10d0), _1576844)
   Exit: (205) [system] get_char((0x560c892e10d0), '\t')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1579548)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1589142)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1591846)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1611552)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1617122)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1618980)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1634990)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1617122)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1640560)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1656570)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1662140)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1663998)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1680008)
   Exit: (205) [system] get_char((0x560c892e10d0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), :, _1662140)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697650)
   Call: (207) [system] peek_char((0x560c892e10d0), _1698584)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1697650=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _1662140)
^  Call: (207) [user] classify_and_convert_charseq_([:], _1707868)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1708820, _1708822), once(user:catch(read_from_chars([:], _1707868), _1708802, fail)), '$restore_trace'(_1708820, _1708822))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1708820, _1708822))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1708802, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _1662140=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1720948)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1722806)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1732400)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1735104)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1752038)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1757608)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1759466)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1775476)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1757608)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1781046)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1797056)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1802626)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1804484)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1820494)
   Exit: (208) [system] get_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1802626)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1838136)
   Call: (210) [system] peek_char((0x560c892e10d0), _1839070)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1843790, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1844722, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1852072)
   Call: (211) [system] peek_char((0x560c892e10d0), _1853006)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1857726, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1858658, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1866008)
   Call: (212) [system] peek_char((0x560c892e10d0), _1866942)
   Exit: (212) [system] peek_char((0x560c892e10d0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1871662, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1872594, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x560c892e10d0), j)
   Exit: (212) [system] get_char((0x560c892e10d0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1879944)
   Call: (213) [system] peek_char((0x560c892e10d0), _1880878)
   Exit: (213) [system] peek_char((0x560c892e10d0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1885598, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1886530, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x560c892e10d0), u)
   Exit: (213) [system] get_char((0x560c892e10d0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1893880)
   Call: (214) [system] peek_char((0x560c892e10d0), _1894814)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1899534, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1900466, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1907816)
   Call: (215) [system] peek_char((0x560c892e10d0), _1908750)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1913470, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1914402, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1921752)
   Call: (216) [system] peek_char((0x560c892e10d0), _1922686)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1927406, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1928338, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1935688)
   Call: (217) [system] peek_char((0x560c892e10d0), _1936622)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1941342, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1942274, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1949624)
   Call: (218) [system] peek_char((0x560c892e10d0), _1950558)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1955278, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1956210, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1963560)
   Call: (219) [system] peek_char((0x560c892e10d0), _1964494)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1969214, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1970146, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1977496)
   Call: (220) [system] peek_char((0x560c892e10d0), _1978430)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1983150, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1984082, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x560c892e10d0), 'I')
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1991432)
   Call: (221) [system] peek_char((0x560c892e10d0), _1992366)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1997086, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1998018, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2005368)
   Call: (222) [system] peek_char((0x560c892e10d0), _2006302)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_2011022, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_2011954, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2019304)
   Call: (223) [system] peek_char((0x560c892e10d0), _2020238)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_2024958, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_2025890, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2033240)
   Call: (224) [system] peek_char((0x560c892e10d0), _2034174)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_2038894, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_2039826, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2047176)
   Call: (225) [system] peek_char((0x560c892e10d0), _2048110)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_2052830, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_2053762, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2061112)
   Call: (226) [system] peek_char((0x560c892e10d0), _2062046)
   Exit: (226) [system] peek_char((0x560c892e10d0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_2066766, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_2067698, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x560c892e10d0), u)
   Exit: (226) [system] get_char((0x560c892e10d0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2075048)
   Call: (227) [system] peek_char((0x560c892e10d0), _2075982)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_2080702, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_2081634, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088984)
   Call: (228) [system] peek_char((0x560c892e10d0), _2089918)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_2094638, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_2095570, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _10890)
   Call: (229) [system] peek_char((0x560c892e10d0), _11824)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_16544, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_17476, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _24826)
   Call: (230) [system] peek_char((0x560c892e10d0), _25760)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_30480, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_31412, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _38762)
   Call: (231) [system] peek_char((0x560c892e10d0), _39696)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_44416, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_45348, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _52698)
   Call: (232) [system] peek_char((0x560c892e10d0), _53632)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _52698=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _38762=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _24826=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _10890=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _4722=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _4718=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (226) [system] _4714=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (225) [system] _4710=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (224) [system] _4706=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _4702=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4698=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4694=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4690=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4686=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4682=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4678=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4674=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4670=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4666=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4662=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4658=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4654=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4650=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4646)
^  Call: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_125336, _125338), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384), _125318, fail)), '$restore_trace'(_125336, _125338))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_125336, _125338))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384), _125318, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_124384)
   Fail: (211) [system] atomic(_124384)
   Call: (211) [system] atom_chars(_124384, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (210) [system] integer('ConjunctionIntroduction')
   Fail: (210) [system] integer('ConjunctionIntroduction')
   Call: (210) [system] _4646='ConjunctionIntroduction'
   Exit: (210) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _139334)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _141192)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _150786)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _153490)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _170424)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _175994)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _177852)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _193862)
   Exit: (209) [system] get_char((0x560c892e10d0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), a, _175994)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _211504)
   Call: (211) [system] peek_char((0x560c892e10d0), _212438)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _211504=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq([a], _175994)
^  Call: (211) [user] classify_and_convert_charseq_([a], _221722)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_222674, _222676), once(user:catch(read_from_chars([a], _221722), _222656, fail)), '$restore_trace'(_222674, _222676))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_222674, _222676))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _222656, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq_([a], a)
   Call: (211) [system] integer(a)
   Fail: (211) [system] integer(a)
   Call: (211) [system] _175994=a
   Exit: (211) [system] a=a
^  Exit: (210) [user] classify_and_convert_charseq([a], a)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _234802)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _236660)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _246254)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _248958)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
   Call: (211) [system] c=(/)
   Fail: (211) [system] c=(/)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _265892)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
   Call: (209) [system] c=')'
   Fail: (209) [system] c=')'
   Call: (209) [system] c=end_of_file
   Fail: (209) [system] c=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _271462)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _273320)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
   Call: (211) [system] c=(/)
   Fail: (211) [system] c=(/)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _289330)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c='('
   Fail: (210) [system] c='('
   Call: (210) [system] c='['
   Fail: (210) [system] c='['
   Call: (210) [system] c='{'
   Fail: (210) [system] c='{'
   Call: (210) [system] c='"'
   Fail: (210) [system] c='"'
   Call: (210) [system] c=!
   Fail: (210) [system] c=!
   Call: (210) [system] c='\''
   Fail: (210) [system] c='\''
   Call: (210) [system] c='`'
   Fail: (210) [system] c='`'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), c, _271462)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _306972)
   Call: (212) [system] peek_char((0x560c892e10d0), _307906)
   Exit: (212) [system] peek_char((0x560c892e10d0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_312626, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_313558, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x560c892e10d0), d)
   Exit: (212) [system] get_char((0x560c892e10d0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _320908)
   Call: (213) [system] peek_char((0x560c892e10d0), _321842)
   Exit: (213) [system] peek_char((0x560c892e10d0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_326562, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_327494, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x560c892e10d0), e)
   Exit: (213) [system] get_char((0x560c892e10d0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _334844)
   Call: (214) [system] peek_char((0x560c892e10d0), _335778)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_340498, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _334844=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _320908=[e]
   Exit: (213) [system] [e]=[e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (212) [system] _306972=[d, e]
   Exit: (212) [system] [d, e]=[d, e]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (211) [user] classify_and_convert_charseq([c, d, e], _271462)
^  Call: (212) [user] classify_and_convert_charseq_([c, d, e], _352522)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_353474, _353476), once(user:catch(read_from_chars([c, d, e], _352522), _353456, fail)), '$restore_trace'(_353474, _353476))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_353474, _353476))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _353456, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(cde)
   Exit: (213) [system] atomic(cde)
^  Exit: (212) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (212) [system] integer(cde)
   Fail: (212) [system] integer(cde)
   Call: (212) [system] _271462=cde
   Exit: (212) [system] cde=cde
^  Exit: (211) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _365602)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _367460)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _383470)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _387260)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _365602=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _234802=[cde]
   Exit: (209) [system] [cde]=[cde]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (208) [system] _139334=[a, cde]
   Exit: (208) [system] [a, cde]=[a, cde]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (207) [system] _4640=['ConjunctionIntroduction', a, cde]
   Exit: (207) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, cde])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, cde])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _401142)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _403000)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _412594)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _415298)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _432232)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _437802)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _439660)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _455670)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _437802)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _461240)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _477250)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _482820)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _484678)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _500688)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _482820)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _518330)
   Call: (211) [system] peek_char((0x560c892e10d0), _519264)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_523984, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_524916, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _532266)
   Call: (212) [system] peek_char((0x560c892e10d0), _533200)
   Exit: (212) [system] peek_char((0x560c892e10d0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_537920, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_538852, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x560c892e10d0), d)
   Exit: (212) [system] get_char((0x560c892e10d0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _546202)
   Call: (213) [system] peek_char((0x560c892e10d0), _547136)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_551856, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_552788, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _560138)
   Call: (214) [system] peek_char((0x560c892e10d0), _561072)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_565792, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_566724, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _574074)
   Call: (215) [system] peek_char((0x560c892e10d0), _575008)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_579728, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_580660, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _588010)
   Call: (216) [system] peek_char((0x560c892e10d0), _588944)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_593664, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_594596, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _601946)
   Call: (217) [system] peek_char((0x560c892e10d0), _602880)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _601946=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _588010=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _574074=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _560138=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _546202=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _532266=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (211) [system] _518330=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _482820)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _628928)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_629880, _629882), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _628928), _629862, fail)), '$restore_trace'(_629880, _629882))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_629880, _629882))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _628928), _629862, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_628928)
   Fail: (212) [system] atomic(_628928)
   Call: (212) [system] atom_chars(_628928, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _482820='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _643878)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _645736)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _655330)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _658034)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _674968)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _680538)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _682396)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _698406)
   Exit: (210) [system] get_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', _680538)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _716048)
   Call: (212) [system] peek_char((0x560c892e10d0), _716982)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _716048=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _680538)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _726266)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_727218, _727220), once(user:catch(read_from_chars(['A'], _726266), _727200, fail)), '$restore_trace'(_727218, _727220))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_727218, _727220))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _726266), _727200, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_726266)
   Fail: (213) [system] atomic(_726266)
   Call: (213) [system] atom_chars(_726266, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _680538='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _741216)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _743074)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _752668)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _755372)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _772306)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _777876)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _779734)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _795744)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _777876)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _801314)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _817324)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _822894)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _824752)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _840762)
   Exit: (213) [system] get_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', _822894)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _858404)
   Call: (215) [system] peek_char((0x560c892e10d0), _859338)
   Exit: (215) [system] peek_char((0x560c892e10d0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_864058, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_864990, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x560c892e10d0), m)
   Exit: (215) [system] get_char((0x560c892e10d0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _872340)
   Call: (216) [system] peek_char((0x560c892e10d0), _873274)
   Exit: (216) [system] peek_char((0x560c892e10d0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_877994, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_878926, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x560c892e10d0), p)
   Exit: (216) [system] get_char((0x560c892e10d0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _886276)
   Call: (217) [system] peek_char((0x560c892e10d0), _887210)
   Exit: (217) [system] peek_char((0x560c892e10d0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_891930, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_892862, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x560c892e10d0), l)
   Exit: (217) [system] get_char((0x560c892e10d0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _900212)
   Call: (218) [system] peek_char((0x560c892e10d0), _901146)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_905866, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_906798, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _914148)
   Call: (219) [system] peek_char((0x560c892e10d0), _915082)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_919802, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_920734, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _928084)
   Call: (220) [system] peek_char((0x560c892e10d0), _929018)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_933738, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_934670, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x560c892e10d0), a)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _942020)
   Call: (221) [system] peek_char((0x560c892e10d0), _942954)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_947674, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_948606, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _955956)
   Call: (222) [system] peek_char((0x560c892e10d0), _956890)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_961610, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_962542, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _969892)
   Call: (223) [system] peek_char((0x560c892e10d0), _970826)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_975546, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_976478, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _983828)
   Call: (224) [system] peek_char((0x560c892e10d0), _984762)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_989482, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_990414, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _997764)
   Call: (225) [system] peek_char((0x560c892e10d0), _998698)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _997764=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _983828=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (223) [system] _969892=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (222) [system] _955956=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (221) [system] _942020=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (220) [system] _928084=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (219) [system] _914148=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (218) [system] _900212=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (217) [system] _886276=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _872340=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _858404=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _822894)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1035922)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1036874, _1036876), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1035922), _1036856, fail)), '$restore_trace'(_1036874, _1036876))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1036874, _1036876))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1035922), _1036856, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1035922)
   Fail: (216) [system] atomic(_1035922)
   Call: (216) [system] atom_chars(_1035922, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _822894='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1050872)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1052730)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1062324)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1065028)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1081962)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1087532)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1089390)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1105400)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1087532)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1110970)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1126980)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1132550)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1134408)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1150418)
   Exit: (216) [system] get_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1132550)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1168060)
   Call: (218) [system] peek_char((0x560c892e10d0), _1168994)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1173714, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1174646, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1181996)
   Call: (219) [system] peek_char((0x560c892e10d0), _1182930)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1187650, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1188582, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195932)
   Call: (220) [system] peek_char((0x560c892e10d0), _1196866)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1201586, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1202518, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209868)
   Call: (221) [system] peek_char((0x560c892e10d0), _1210802)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1215522, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1216454, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223804)
   Call: (222) [system] peek_char((0x560c892e10d0), _1224738)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1229458, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1230390, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1237740)
   Call: (223) [system] peek_char((0x560c892e10d0), _1238674)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1237740=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1223804=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1209868=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1195932=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1181996=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1168060=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1132550)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1261928)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1262880, _1262882), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1261928), _1262862, fail)), '$restore_trace'(_1262880, _1262882))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1262880, _1262882))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1261928), _1262862, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1261928)
   Fail: (219) [system] atomic(_1261928)
   Call: (219) [system] atom_chars(_1261928, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1132550='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1276878)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1278736)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1288330)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1291034)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1307968)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1313538)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1315396)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1331406)
   Exit: (217) [system] get_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1313538)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1349048)
   Call: (219) [system] peek_char((0x560c892e10d0), _1349982)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1349048=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['C'], _1313538)
^  Call: (219) [user] classify_and_convert_charseq_(['C'], _1359266)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1360218, _1360220), once(user:catch(read_from_chars(['C'], _1359266), _1360200, fail)), '$restore_trace'(_1360218, _1360220))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1360218, _1360220))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1359266), _1360200, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1359266)
   Fail: (220) [system] atomic(_1359266)
   Call: (220) [system] atom_chars(_1359266, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (219) [system] integer('C')
   Fail: (219) [system] integer('C')
   Call: (219) [system] _1313538='C'
   Exit: (219) [system] 'C'='C'
^  Exit: (218) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1374216)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1376074)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1385668)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1388372)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1405306)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1410876)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1412734)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1428744)
   Exit: (218) [system] get_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1410876)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1446386)
   Call: (220) [system] peek_char((0x560c892e10d0), _1447320)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1452040, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1446386=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['D'], _1410876)
^  Call: (220) [user] classify_and_convert_charseq_(['D'], _1458476)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1459428, _1459430), once(user:catch(read_from_chars(['D'], _1458476), _1459410, fail)), '$restore_trace'(_1459428, _1459430))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1459428, _1459430))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1458476), _1459410, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1458476)
   Fail: (221) [system] atomic(_1458476)
   Call: (221) [system] atom_chars(_1458476, ['D'])
   Exit: (221) [system] atom_chars('D', ['D'])
^  Exit: (220) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (220) [system] integer('D')
   Fail: (220) [system] integer('D')
   Call: (220) [system] _1410876='D'
   Exit: (220) [system] 'D'='D'
^  Exit: (219) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1473426)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1475284)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1491294)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1495084)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1473426=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _1374216=['D']
   Exit: (217) [system] ['D']=['D']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (216) [system] _1276878=['C', 'D']
   Exit: (216) [system] ['C', 'D']=['C', 'D']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (215) [system] _1087532=['OrLink', 'C', 'D']
   Exit: (215) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1508966)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1510824)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1520418)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1523122)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
   Call: (216) [system] 'E'=(/)
   Fail: (216) [system] 'E'=(/)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1540056)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'E')
   Call: (214) [system] 'E'=')'
   Fail: (214) [system] 'E'=')'
   Call: (214) [system] 'E'=end_of_file
   Fail: (214) [system] 'E'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1545626)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1547484)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
   Call: (216) [system] 'E'=(/)
   Fail: (216) [system] 'E'=(/)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1563494)
   Exit: (215) [system] get_char((0x560c892e10d0), 'E')
   Call: (215) [system] 'E'='('
   Fail: (215) [system] 'E'='('
   Call: (215) [system] 'E'='['
   Fail: (215) [system] 'E'='['
   Call: (215) [system] 'E'='{'
   Fail: (215) [system] 'E'='{'
   Call: (215) [system] 'E'='"'
   Fail: (215) [system] 'E'='"'
   Call: (215) [system] 'E'=!
   Fail: (215) [system] 'E'=!
   Call: (215) [system] 'E'='\''
   Fail: (215) [system] 'E'='\''
   Call: (215) [system] 'E'='`'
   Fail: (215) [system] 'E'='`'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1545626)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1581136)
   Call: (217) [system] peek_char((0x560c892e10d0), _1582070)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1586790, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1581136=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['E'], _1545626)
^  Call: (217) [user] classify_and_convert_charseq_(['E'], _1593226)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1594178, _1594180), once(user:catch(read_from_chars(['E'], _1593226), _1594160, fail)), '$restore_trace'(_1594178, _1594180))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1594178, _1594180))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1593226), _1594160, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1593226)
   Fail: (218) [system] atomic(_1593226)
   Call: (218) [system] atom_chars(_1593226, ['E'])
   Exit: (218) [system] atom_chars('E', ['E'])
^  Exit: (217) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (217) [system] integer('E')
   Fail: (217) [system] integer('E')
   Call: (217) [system] _1545626='E'
   Exit: (217) [system] 'E'='E'
^  Exit: (216) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1608176)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1610034)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1626044)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1629834)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1608176=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _1508966=['E']
   Exit: (214) [system] ['E']=['E']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (213) [system] _1050872=[['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (212) [system] _777876=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (212) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1643716)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1645574)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1661584)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1665374)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1643716=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _741216=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _643878=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (208) [system] _437802=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (208) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1679256)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1681114)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1697124)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _1700914)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _1679256=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _401142=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4636=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (204) [system] _4628=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (204) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1714796)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1716654)
   Exit: (204) [system] peek_char((0x560c892e10d0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x560c892e10d0), _1728104)
   Exit: (204) [system] get_char((0x560c892e10d0), '\n')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1730808)
   Exit: (205) [system] peek_char((0x560c892e10d0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x560c892e10d0), _1740402)
   Exit: (205) [system] get_char((0x560c892e10d0), '\t')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1743106)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x560c892e10d0), _1752700)
   Exit: (206) [system] get_char((0x560c892e10d0), '\t')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1755404)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1764998)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1767702)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1787408)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1792978)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1794836)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1810846)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1792978)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1816416)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1832426)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1837996)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1839854)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1855864)
   Exit: (206) [system] get_char((0x560c892e10d0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), :, _1837996)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873506)
   Call: (208) [system] peek_char((0x560c892e10d0), _1874440)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1873506=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _1837996)
^  Call: (208) [user] classify_and_convert_charseq_([:], _1883724)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1884676, _1884678), once(user:catch(read_from_chars([:], _1883724), _1884658, fail)), '$restore_trace'(_1884676, _1884678))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1884676, _1884678))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1884658, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _1837996=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1896804)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1898662)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1908256)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1910960)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1927894)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1933464)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1935322)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1951332)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1933464)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1956902)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1972912)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1978482)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1980340)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1996350)
   Exit: (209) [system] get_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1978482)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2013992)
   Call: (211) [system] peek_char((0x560c892e10d0), _2014926)
   Exit: (211) [system] peek_char((0x560c892e10d0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_2019646, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_2020578, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x560c892e10d0), o)
   Exit: (211) [system] get_char((0x560c892e10d0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2027928)
   Call: (212) [system] peek_char((0x560c892e10d0), _2028862)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_2033582, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_2034514, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2041864)
   Call: (213) [system] peek_char((0x560c892e10d0), _2042798)
   Exit: (213) [system] peek_char((0x560c892e10d0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_2047518, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_2048450, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x560c892e10d0), j)
   Exit: (213) [system] get_char((0x560c892e10d0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2055800)
   Call: (214) [system] peek_char((0x560c892e10d0), _2056734)
   Exit: (214) [system] peek_char((0x560c892e10d0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_2061454, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_2062386, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x560c892e10d0), u)
   Exit: (214) [system] get_char((0x560c892e10d0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2069736)
   Call: (215) [system] peek_char((0x560c892e10d0), _2070670)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2075390, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_2076322, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083672)
   Call: (216) [system] peek_char((0x560c892e10d0), _2084606)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_2089326, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_2090258, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _5518)
   Call: (217) [system] peek_char((0x560c892e10d0), _6452)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_11172, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_12104, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _19454)
   Call: (218) [system] peek_char((0x560c892e10d0), _20388)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_25108, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_26040, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _33390)
   Call: (219) [system] peek_char((0x560c892e10d0), _34324)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_39044, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_39976, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _47326)
   Call: (220) [system] peek_char((0x560c892e10d0), _48260)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_52980, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_53912, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _61262)
   Call: (221) [system] peek_char((0x560c892e10d0), _62196)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_66916, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_67848, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x560c892e10d0), 'I')
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _75198)
   Call: (222) [system] peek_char((0x560c892e10d0), _76132)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_80852, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_81784, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _89134)
   Call: (223) [system] peek_char((0x560c892e10d0), _90068)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_94788, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_95720, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _103070)
   Call: (224) [system] peek_char((0x560c892e10d0), _104004)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_108724, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_109656, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _117006)
   Call: (225) [system] peek_char((0x560c892e10d0), _117940)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_122660, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_123592, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _130942)
   Call: (226) [system] peek_char((0x560c892e10d0), _131876)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_136596, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_137528, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _144878)
   Call: (227) [system] peek_char((0x560c892e10d0), _145812)
   Exit: (227) [system] peek_char((0x560c892e10d0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_150532, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_151464, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x560c892e10d0), u)
   Exit: (227) [system] get_char((0x560c892e10d0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _158814)
   Call: (228) [system] peek_char((0x560c892e10d0), _159748)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_164468, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_165400, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _172750)
   Call: (229) [system] peek_char((0x560c892e10d0), _173684)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_178404, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_179336, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _186686)
   Call: (230) [system] peek_char((0x560c892e10d0), _187620)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_192340, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_193272, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _200622)
   Call: (231) [system] peek_char((0x560c892e10d0), _201556)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_206276, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_207208, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _214558)
   Call: (232) [system] peek_char((0x560c892e10d0), _215492)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_220212, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_221144, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _228494)
   Call: (233) [system] peek_char((0x560c892e10d0), _229428)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _228494=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _214558=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _200622=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _186686=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _172750=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _158814=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (227) [system] _144878=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (226) [system] _130942=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (225) [system] _117006=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _103070=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _89134=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _75198=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _61262=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _47326=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _33390=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _19454=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5518=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4766=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4762=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4758=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4754=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4750=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4746=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4742)
^  Call: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_301132, _301134), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180), _301114, fail)), '$restore_trace'(_301132, _301134))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_301132, _301134))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180), _301114, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_300180)
   Fail: (212) [system] atomic(_300180)
   Call: (212) [system] atom_chars(_300180, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (211) [system] integer('ConjunctionIntroduction')
   Fail: (211) [system] integer('ConjunctionIntroduction')
   Call: (211) [system] _4742='ConjunctionIntroduction'
   Exit: (211) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _315130)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _316988)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _326582)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _329286)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _346220)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _351790)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _353648)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _369658)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), a, _351790)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _387300)
   Call: (212) [system] peek_char((0x560c892e10d0), _388234)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _387300=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _351790)
^  Call: (212) [user] classify_and_convert_charseq_([a], _397518)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_398470, _398472), once(user:catch(read_from_chars([a], _397518), _398452, fail)), '$restore_trace'(_398470, _398472))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_398470, _398472))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _398452, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _351790=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _410598)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _412456)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _422050)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _424754)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _441688)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _447258)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _449116)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _465126)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), a, _447258)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _482768)
   Call: (213) [system] peek_char((0x560c892e10d0), _483702)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_488422, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _482768=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq([a], _447258)
^  Call: (213) [user] classify_and_convert_charseq_([a], _494858)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_495810, _495812), once(user:catch(read_from_chars([a], _494858), _495792, fail)), '$restore_trace'(_495810, _495812))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_495810, _495812))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _495792, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq_([a], a)
   Call: (213) [system] integer(a)
   Fail: (213) [system] integer(a)
   Call: (213) [system] _447258=a
   Exit: (213) [system] a=a
^  Exit: (212) [user] classify_and_convert_charseq([a], a)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _507938)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _509796)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _525806)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _529596)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _507938=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _410598=[a]
   Exit: (210) [system] [a]=[a]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (209) [system] _315130=[a, a]
   Exit: (209) [system] [a, a]=[a, a]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (208) [system] _4736=['ConjunctionIntroduction', a, a]
   Exit: (208) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _543478)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _545336)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _554930)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _557634)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _574568)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _580138)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _581996)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _598006)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _580138)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _603576)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _619586)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _625156)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _627014)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _643024)
   Exit: (210) [system] get_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', _625156)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _660666)
   Call: (212) [system] peek_char((0x560c892e10d0), _661600)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_666320, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_667252, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _674602)
   Call: (213) [system] peek_char((0x560c892e10d0), _675536)
   Exit: (213) [system] peek_char((0x560c892e10d0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_680256, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_681188, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x560c892e10d0), d)
   Exit: (213) [system] get_char((0x560c892e10d0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _688538)
   Call: (214) [system] peek_char((0x560c892e10d0), _689472)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_694192, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_695124, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x560c892e10d0), 'L')
   Exit: (214) [system] get_char((0x560c892e10d0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _702474)
   Call: (215) [system] peek_char((0x560c892e10d0), _703408)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_708128, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_709060, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _716410)
   Call: (216) [system] peek_char((0x560c892e10d0), _717344)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_722064, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_722996, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _730346)
   Call: (217) [system] peek_char((0x560c892e10d0), _731280)
   Exit: (217) [system] peek_char((0x560c892e10d0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_736000, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_736932, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x560c892e10d0), k)
   Exit: (217) [system] get_char((0x560c892e10d0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _744282)
   Call: (218) [system] peek_char((0x560c892e10d0), _745216)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _744282=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _730346=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (216) [system] _716410=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (215) [system] _702474=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (214) [system] _688538=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (213) [system] _674602=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (212) [system] _660666=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _625156)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _771264)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_772216, _772218), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _771264), _772198, fail)), '$restore_trace'(_772216, _772218))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_772216, _772218))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _771264), _772198, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_771264)
   Fail: (213) [system] atomic(_771264)
   Call: (213) [system] atom_chars(_771264, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _625156='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _786214)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _788072)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _797666)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _800370)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _817304)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _822874)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _824732)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _840742)
   Exit: (211) [system] get_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', _822874)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _858384)
   Call: (213) [system] peek_char((0x560c892e10d0), _859318)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _858384=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _822874)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _868602)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_869554, _869556), once(user:catch(read_from_chars(['A'], _868602), _869536, fail)), '$restore_trace'(_869554, _869556))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_869554, _869556))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _868602), _869536, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_868602)
   Fail: (214) [system] atomic(_868602)
   Call: (214) [system] atom_chars(_868602, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _822874='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _883552)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _885410)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _895004)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _897708)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _914642)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _920212)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _922070)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _938080)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _920212)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _955722)
   Call: (214) [system] peek_char((0x560c892e10d0), _956656)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_961376, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _955722=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _920212)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _967812)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_968764, _968766), once(user:catch(read_from_chars(['A'], _967812), _968746, fail)), '$restore_trace'(_968764, _968766))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_968764, _968766))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _967812), _968746, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_967812)
   Fail: (215) [system] atomic(_967812)
   Call: (215) [system] atom_chars(_967812, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _920212='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _982762)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _984620)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1000630)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1004420)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _982762=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _883552=['A']
   Exit: (211) [system] ['A']=['A']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (210) [system] _786214=['A', 'A']
   Exit: (210) [system] ['A', 'A']=['A', 'A']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['A', 'A'])
   Call: (209) [system] _580138=['AndLink', 'A', 'A']
   Exit: (209) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'A'])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'A'])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1018302)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1020160)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1036170)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1039960)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1018302=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _543478=[['AndLink', 'A', 'A']]
   Exit: (207) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'A']])
   Call: (206) [system] _4732=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (206) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
   Call: (205) [system] _4724=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (205) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1053842)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1055700)
   Exit: (205) [system] peek_char((0x560c892e10d0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x560c892e10d0), _1067150)
   Exit: (205) [system] get_char((0x560c892e10d0), '\n')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1069854)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x560c892e10d0), _1079448)
   Exit: (206) [system] get_char((0x560c892e10d0), '\t')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1082152)
   Exit: (207) [system] peek_char((0x560c892e10d0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x560c892e10d0), _1091746)
   Exit: (207) [system] get_char((0x560c892e10d0), '\t')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1094450)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1104044)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1106748)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1126454)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1132024)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1133882)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1149892)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1132024)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1155462)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1171472)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1177042)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1178900)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1194910)
   Exit: (207) [system] get_char((0x560c892e10d0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), :, _1177042)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1212552)
   Call: (209) [system] peek_char((0x560c892e10d0), _1213486)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1212552=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _1177042)
^  Call: (209) [user] classify_and_convert_charseq_([:], _1222770)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1223722, _1223724), once(user:catch(read_from_chars([:], _1222770), _1223704, fail)), '$restore_trace'(_1223722, _1223724))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1223722, _1223724))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1223704, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _1177042=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1235850)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1237708)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1247302)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1250006)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1266940)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1272510)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1274368)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1290378)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1272510)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1295948)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1311958)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1317528)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1319386)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1335396)
   Exit: (210) [system] get_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1317528)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1353038)
   Call: (212) [system] peek_char((0x560c892e10d0), _1353972)
   Exit: (212) [system] peek_char((0x560c892e10d0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1358692, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1359624, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x560c892e10d0), o)
   Exit: (212) [system] get_char((0x560c892e10d0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366974)
   Call: (213) [system] peek_char((0x560c892e10d0), _1367908)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1372628, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1373560, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380910)
   Call: (214) [system] peek_char((0x560c892e10d0), _1381844)
   Exit: (214) [system] peek_char((0x560c892e10d0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1386564, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_1387496, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x560c892e10d0), j)
   Exit: (214) [system] get_char((0x560c892e10d0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394846)
   Call: (215) [system] peek_char((0x560c892e10d0), _1395780)
   Exit: (215) [system] peek_char((0x560c892e10d0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1400500, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_1401432, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x560c892e10d0), u)
   Exit: (215) [system] get_char((0x560c892e10d0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408782)
   Call: (216) [system] peek_char((0x560c892e10d0), _1409716)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1414436, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1415368, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422718)
   Call: (217) [system] peek_char((0x560c892e10d0), _1423652)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1428372, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1429304, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436654)
   Call: (218) [system] peek_char((0x560c892e10d0), _1437588)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1442308, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1443240, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1450590)
   Call: (219) [system] peek_char((0x560c892e10d0), _1451524)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1456244, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1457176, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464526)
   Call: (220) [system] peek_char((0x560c892e10d0), _1465460)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1470180, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1471112, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1478462)
   Call: (221) [system] peek_char((0x560c892e10d0), _1479396)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1484116, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1485048, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1492398)
   Call: (222) [system] peek_char((0x560c892e10d0), _1493332)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1498052, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_1498984, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x560c892e10d0), 'I')
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1506334)
   Call: (223) [system] peek_char((0x560c892e10d0), _1507268)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1511988, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1512920, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1520270)
   Call: (224) [system] peek_char((0x560c892e10d0), _1521204)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1525924, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1526856, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1534206)
   Call: (225) [system] peek_char((0x560c892e10d0), _1535140)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1539860, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1540792, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1548142)
   Call: (226) [system] peek_char((0x560c892e10d0), _1549076)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1553796, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1554728, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1562078)
   Call: (227) [system] peek_char((0x560c892e10d0), _1563012)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1567732, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1568664, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1576014)
   Call: (228) [system] peek_char((0x560c892e10d0), _1576948)
   Exit: (228) [system] peek_char((0x560c892e10d0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1581668, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1582600, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x560c892e10d0), u)
   Exit: (228) [system] get_char((0x560c892e10d0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589950)
   Call: (229) [system] peek_char((0x560c892e10d0), _1590884)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1595604, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1596536, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1603886)
   Call: (230) [system] peek_char((0x560c892e10d0), _1604820)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1609540, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1610472, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1617822)
   Call: (231) [system] peek_char((0x560c892e10d0), _1618756)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1623476, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1624408, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1631758)
   Call: (232) [system] peek_char((0x560c892e10d0), _1632692)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1637412, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1638344, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1645694)
   Call: (233) [system] peek_char((0x560c892e10d0), _1646628)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1651348, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1652280, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1659630)
   Call: (234) [system] peek_char((0x560c892e10d0), _1660564)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1659630=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _1645694=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _1631758=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _1617822=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _1603886=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _1589950=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (228) [system] _1576014=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (227) [system] _1562078=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (226) [system] _1548142=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1534206=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1520270=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1506334=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1492398=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1478462=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1464526=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1450590=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1436654=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1422718=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1408782=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1394846=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1380910=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1366974=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1353038=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1317528)
^  Call: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1732268, _1732270), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316), _1732250, fail)), '$restore_trace'(_1732268, _1732270))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1732268, _1732270))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316), _1732250, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1731316)
   Fail: (213) [system] atomic(_1731316)
   Call: (213) [system] atom_chars(_1731316, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (212) [system] integer('ConjunctionIntroduction')
   Fail: (212) [system] integer('ConjunctionIntroduction')
   Call: (212) [system] _1317528='ConjunctionIntroduction'
   Exit: (212) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1746266)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1748124)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1757718)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1760422)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1777356)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1782926)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1784784)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1800794)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), a, _1782926)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1818436)
   Call: (213) [system] peek_char((0x560c892e10d0), _1819370)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1818436=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq([a], _1782926)
^  Call: (213) [user] classify_and_convert_charseq_([a], _1828654)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1829606, _1829608), once(user:catch(read_from_chars([a], _1828654), _1829588, fail)), '$restore_trace'(_1829606, _1829608))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1829606, _1829608))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1829588, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq_([a], a)
   Call: (213) [system] integer(a)
   Fail: (213) [system] integer(a)
   Call: (213) [system] _1782926=a
   Exit: (213) [system] a=a
^  Exit: (212) [user] classify_and_convert_charseq([a], a)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1841734)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1843592)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1853186)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1855890)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1872824)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1878394)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1880252)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1896262)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), a, _1878394)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1913904)
   Call: (214) [system] peek_char((0x560c892e10d0), _1914838)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1919558, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1913904=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _1878394)
^  Call: (214) [user] classify_and_convert_charseq_([a], _1925994)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1926946, _1926948), once(user:catch(read_from_chars([a], _1925994), _1926928, fail)), '$restore_trace'(_1926946, _1926948))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1926946, _1926948))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1926928, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _1878394=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1939074)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1940932)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1956942)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1960732)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1939074=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _1841734=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (210) [system] _1746266=[a, a]
   Exit: (210) [system] [a, a]=[a, a]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (209) [system] _1272510=['ConjunctionIntroduction', a, a]
   Exit: (209) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1974614)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1976472)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1986066)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1988770)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _2005704)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _2011274)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _2013132)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _2029142)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _2011274)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2034712)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _2050722)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _2056292)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _2058150)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _2074160)
   Exit: (211) [system] get_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2056292)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2091802)
   Call: (213) [system] peek_char((0x560c892e10d0), _2092736)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_5514, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_6446, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _13796)
   Call: (214) [system] peek_char((0x560c892e10d0), _14730)
   Exit: (214) [system] peek_char((0x560c892e10d0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_19450, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_20382, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x560c892e10d0), d)
   Exit: (214) [system] get_char((0x560c892e10d0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _27732)
   Call: (215) [system] peek_char((0x560c892e10d0), _28666)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_33386, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_34318, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _41668)
   Call: (216) [system] peek_char((0x560c892e10d0), _42602)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_47322, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_48254, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _55604)
   Call: (217) [system] peek_char((0x560c892e10d0), _56538)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_61258, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_62190, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _69540)
   Call: (218) [system] peek_char((0x560c892e10d0), _70474)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_75194, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_76126, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _83476)
   Call: (219) [system] peek_char((0x560c892e10d0), _84410)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _83476=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _69540=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _55604=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _41668=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _27732=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _13796=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (213) [system] _4830=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4826)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _110458)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_111410, _111412), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110458), _111392, fail)), '$restore_trace'(_111410, _111412))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_111410, _111412))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110458), _111392, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_110458)
   Fail: (214) [system] atomic(_110458)
   Call: (214) [system] atom_chars(_110458, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _4826='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _125408)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _127266)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _136860)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _139564)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _156498)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _162068)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _163926)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _179936)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _162068)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _197578)
   Call: (214) [system] peek_char((0x560c892e10d0), _198512)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _197578=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _162068)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _207796)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_208748, _208750), once(user:catch(read_from_chars(['A'], _207796), _208730, fail)), '$restore_trace'(_208748, _208750))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_208748, _208750))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _207796), _208730, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_207796)
   Fail: (215) [system] atomic(_207796)
   Call: (215) [system] atom_chars(_207796, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _162068='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _222746)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _224604)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _234198)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _236902)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _253836)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _259406)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _261264)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _277274)
   Exit: (213) [system] get_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', _259406)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _294916)
   Call: (215) [system] peek_char((0x560c892e10d0), _295850)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_300570, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _294916=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _259406)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _307006)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_307958, _307960), once(user:catch(read_from_chars(['B'], _307006), _307940, fail)), '$restore_trace'(_307958, _307960))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_307958, _307960))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _307006), _307940, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_307006)
   Fail: (216) [system] atomic(_307006)
   Call: (216) [system] atom_chars(_307006, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _259406='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _321956)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _323814)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _339824)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _343614)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _321956=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _222746=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (211) [system] _125408=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (210) [system] _4820=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _357496)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _359354)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _375364)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _379154)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _357496=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _4816=[['AndLink', 'A', 'B']]
   Exit: (208) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B']])
   Call: (207) [system] _4792=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (207) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
   Call: (206) [system] _4784=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (206) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _393036)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _394894)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x560c892e10d0), _406344)
   Exit: (206) [system] get_char((0x560c892e10d0), '\n')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _409048)
   Exit: (207) [system] peek_char((0x560c892e10d0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x560c892e10d0), _418642)
   Exit: (207) [system] get_char((0x560c892e10d0), '\t')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _421346)
   Exit: (208) [system] peek_char((0x560c892e10d0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x560c892e10d0), _430940)
   Exit: (208) [system] get_char((0x560c892e10d0), '\t')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _433644)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _443238)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _445942)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _465648)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _471218)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _473076)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _489086)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _471218)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _494656)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _510666)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _516236)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _518094)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _534104)
   Exit: (208) [system] get_char((0x560c892e10d0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), :, _516236)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _551746)
   Call: (210) [system] peek_char((0x560c892e10d0), _552680)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _551746=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _516236)
^  Call: (210) [user] classify_and_convert_charseq_([:], _561964)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_562916, _562918), once(user:catch(read_from_chars([:], _561964), _562898, fail)), '$restore_trace'(_562916, _562918))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_562916, _562918))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _562898, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _516236=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _575044)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _576902)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _586496)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _589200)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _606134)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _611704)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _613562)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _629572)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _611704)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _635142)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _651152)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _656722)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _658580)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _674590)
   Exit: (211) [system] get_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', _656722)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _692232)
   Call: (213) [system] peek_char((0x560c892e10d0), _693166)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_697886, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_698818, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _706168)
   Call: (214) [system] peek_char((0x560c892e10d0), _707102)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_711822, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_712754, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _720104)
   Call: (215) [system] peek_char((0x560c892e10d0), _721038)
   Exit: (215) [system] peek_char((0x560c892e10d0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_725758, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_726690, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x560c892e10d0), j)
   Exit: (215) [system] get_char((0x560c892e10d0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _734040)
   Call: (216) [system] peek_char((0x560c892e10d0), _734974)
   Exit: (216) [system] peek_char((0x560c892e10d0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_739694, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_740626, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x560c892e10d0), u)
   Exit: (216) [system] get_char((0x560c892e10d0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _747976)
   Call: (217) [system] peek_char((0x560c892e10d0), _748910)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_753630, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_754562, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _761912)
   Call: (218) [system] peek_char((0x560c892e10d0), _762846)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_767566, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_768498, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _775848)
   Call: (219) [system] peek_char((0x560c892e10d0), _776782)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_781502, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_782434, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _789784)
   Call: (220) [system] peek_char((0x560c892e10d0), _790718)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_795438, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_796370, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _803720)
   Call: (221) [system] peek_char((0x560c892e10d0), _804654)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_809374, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_810306, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _817656)
   Call: (222) [system] peek_char((0x560c892e10d0), _818590)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_823310, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_824242, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _831592)
   Call: (223) [system] peek_char((0x560c892e10d0), _832526)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_837246, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_838178, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x560c892e10d0), 'I')
   Exit: (223) [system] get_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _845528)
   Call: (224) [system] peek_char((0x560c892e10d0), _846462)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_851182, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_852114, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _859464)
   Call: (225) [system] peek_char((0x560c892e10d0), _860398)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_865118, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_866050, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _873400)
   Call: (226) [system] peek_char((0x560c892e10d0), _874334)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_879054, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_879986, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _887336)
   Call: (227) [system] peek_char((0x560c892e10d0), _888270)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_892990, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_893922, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _901272)
   Call: (228) [system] peek_char((0x560c892e10d0), _902206)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_906926, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_907858, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _915208)
   Call: (229) [system] peek_char((0x560c892e10d0), _916142)
   Exit: (229) [system] peek_char((0x560c892e10d0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_920862, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_921794, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x560c892e10d0), u)
   Exit: (229) [system] get_char((0x560c892e10d0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _929144)
   Call: (230) [system] peek_char((0x560c892e10d0), _930078)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_934798, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_935730, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _943080)
   Call: (231) [system] peek_char((0x560c892e10d0), _944014)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_948734, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_949666, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _957016)
   Call: (232) [system] peek_char((0x560c892e10d0), _957950)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_962670, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_963602, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _970952)
   Call: (233) [system] peek_char((0x560c892e10d0), _971886)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_976606, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_977538, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _984888)
   Call: (234) [system] peek_char((0x560c892e10d0), _985822)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_990542, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_991474, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _998824)
   Call: (235) [system] peek_char((0x560c892e10d0), _999758)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _998824=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _984888=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (233) [system] _970952=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (232) [system] _957016=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (231) [system] _943080=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (230) [system] _929144=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (229) [system] _915208=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (228) [system] _901272=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (227) [system] _887336=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _873400=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _859464=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _845528=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _831592=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _817656=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _803720=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _789784=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _775848=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _761912=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _747976=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _734040=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _720104=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _706168=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _692232=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _656722)
^  Call: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1071462, _1071464), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510), _1071444, fail)), '$restore_trace'(_1071462, _1071464))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1071462, _1071464))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510), _1071444, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1070510)
   Fail: (214) [system] atomic(_1070510)
   Call: (214) [system] atom_chars(_1070510, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (213) [system] integer('ConjunctionIntroduction')
   Fail: (213) [system] integer('ConjunctionIntroduction')
   Call: (213) [system] _656722='ConjunctionIntroduction'
   Exit: (213) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1085460)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1087318)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1096912)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1099616)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1116550)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1122120)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1123978)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1139988)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), a, _1122120)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1157630)
   Call: (214) [system] peek_char((0x560c892e10d0), _1158564)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1157630=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _1122120)
^  Call: (214) [user] classify_and_convert_charseq_([a], _1167848)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1168800, _1168802), once(user:catch(read_from_chars([a], _1167848), _1168782, fail)), '$restore_trace'(_1168800, _1168802))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1168800, _1168802))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1168782, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _1122120=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1180928)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1182786)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1192380)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1195084)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1212018)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1217588)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1219446)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1235456)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), a, _1217588)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1253098)
   Call: (215) [system] peek_char((0x560c892e10d0), _1254032)
   Exit: (215) [system] peek_char((0x560c892e10d0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_1258752, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_1259684, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x560c892e10d0), b)
   Exit: (215) [system] get_char((0x560c892e10d0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1267034)
   Call: (216) [system] peek_char((0x560c892e10d0), _1267968)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1272688, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1273620, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1280970)
   Call: (217) [system] peek_char((0x560c892e10d0), _1281904)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1286624, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1280970=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _1267034=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (215) [system] _1253098=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _1217588)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _1298648)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1299600, _1299602), once(user:catch(read_from_chars([a, b, c], _1298648), _1299582, fail)), '$restore_trace'(_1299600, _1299602))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1299600, _1299602))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1299582, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _1217588=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1311728)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1313586)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1329596)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1333386)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1311728=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1180928=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (211) [system] _1085460=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (210) [system] _611704=['ConjunctionIntroduction', a, abc]
   Exit: (210) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1347268)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1349126)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1358720)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1361424)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1378358)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1383928)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1385786)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1401796)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1383928)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1407366)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1423376)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1428946)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1430804)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1446814)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1428946)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464456)
   Call: (214) [system] peek_char((0x560c892e10d0), _1465390)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1470110, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1471042, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1478392)
   Call: (215) [system] peek_char((0x560c892e10d0), _1479326)
   Exit: (215) [system] peek_char((0x560c892e10d0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_1484046, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_1484978, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x560c892e10d0), d)
   Exit: (215) [system] get_char((0x560c892e10d0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1492328)
   Call: (216) [system] peek_char((0x560c892e10d0), _1493262)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1497982, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1498914, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x560c892e10d0), 'L')
   Exit: (216) [system] get_char((0x560c892e10d0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1506264)
   Call: (217) [system] peek_char((0x560c892e10d0), _1507198)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1511918, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1512850, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1520200)
   Call: (218) [system] peek_char((0x560c892e10d0), _1521134)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1525854, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1526786, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1534136)
   Call: (219) [system] peek_char((0x560c892e10d0), _1535070)
   Exit: (219) [system] peek_char((0x560c892e10d0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1539790, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1540722, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x560c892e10d0), k)
   Exit: (219) [system] get_char((0x560c892e10d0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1548072)
   Call: (220) [system] peek_char((0x560c892e10d0), _1549006)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1548072=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1534136=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (218) [system] _1520200=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (217) [system] _1506264=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (216) [system] _1492328=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (215) [system] _1478392=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (214) [system] _1464456=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1428946)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1575054)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1576006, _1576008), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1575054), _1575988, fail)), '$restore_trace'(_1576006, _1576008))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1576006, _1576008))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1575054), _1575988, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1575054)
   Fail: (215) [system] atomic(_1575054)
   Call: (215) [system] atom_chars(_1575054, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _1428946='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1590004)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1591862)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1601456)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1604160)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1621094)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1626664)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1628522)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1644532)
   Exit: (213) [system] get_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1626664)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1662174)
   Call: (215) [system] peek_char((0x560c892e10d0), _1663108)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1662174=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1626664)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _1672392)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1673344, _1673346), once(user:catch(read_from_chars(['B'], _1672392), _1673326, fail)), '$restore_trace'(_1673344, _1673346))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1673344, _1673346))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1672392), _1673326, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1672392)
   Fail: (216) [system] atomic(_1672392)
   Call: (216) [system] atom_chars(_1672392, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1626664='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1687342)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1689200)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1698794)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1701498)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1718432)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1724002)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1725860)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1741870)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1724002)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1747440)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1763450)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1769020)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1770878)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1786888)
   Exit: (216) [system] get_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1769020)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1804530)
   Call: (218) [system] peek_char((0x560c892e10d0), _1805464)
   Exit: (218) [system] peek_char((0x560c892e10d0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1810184, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1811116, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x560c892e10d0), m)
   Exit: (218) [system] get_char((0x560c892e10d0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1818466)
   Call: (219) [system] peek_char((0x560c892e10d0), _1819400)
   Exit: (219) [system] peek_char((0x560c892e10d0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1824120, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1825052, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x560c892e10d0), p)
   Exit: (219) [system] get_char((0x560c892e10d0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1832402)
   Call: (220) [system] peek_char((0x560c892e10d0), _1833336)
   Exit: (220) [system] peek_char((0x560c892e10d0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1838056, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1838988, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x560c892e10d0), l)
   Exit: (220) [system] get_char((0x560c892e10d0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1846338)
   Call: (221) [system] peek_char((0x560c892e10d0), _1847272)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1851992, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1852924, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1860274)
   Call: (222) [system] peek_char((0x560c892e10d0), _1861208)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1865928, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1866860, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1874210)
   Call: (223) [system] peek_char((0x560c892e10d0), _1875144)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1879864, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1880796, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x560c892e10d0), a)
   Exit: (223) [system] get_char((0x560c892e10d0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1888146)
   Call: (224) [system] peek_char((0x560c892e10d0), _1889080)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1893800, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1894732, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1902082)
   Call: (225) [system] peek_char((0x560c892e10d0), _1903016)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1907736, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1908668, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1916018)
   Call: (226) [system] peek_char((0x560c892e10d0), _1916952)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1921672, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1922604, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1929954)
   Call: (227) [system] peek_char((0x560c892e10d0), _1930888)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1935608, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1936540, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1943890)
   Call: (228) [system] peek_char((0x560c892e10d0), _1944824)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1943890=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1929954=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (226) [system] _1916018=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (225) [system] _1902082=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (224) [system] _1888146=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (223) [system] _1874210=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (222) [system] _1860274=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (221) [system] _1846338=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (220) [system] _1832402=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1818466=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1804530=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1769020)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1982048)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1983000, _1983002), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1982048), _1982982, fail)), '$restore_trace'(_1983000, _1983002))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1983000, _1983002))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1982048), _1982982, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1982048)
   Fail: (219) [system] atomic(_1982048)
   Call: (219) [system] atom_chars(_1982048, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _1769020='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1996998)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1998856)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _2008450)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2011154)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2028088)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2033658)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2035516)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _2051526)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _2033658)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2057096)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2073106)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _2078676)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2080534)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _4920)
   Exit: (219) [system] get_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', _4916)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _22304)
   Call: (221) [system] peek_char((0x560c892e10d0), _23238)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_27958, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_28890, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _36240)
   Call: (222) [system] peek_char((0x560c892e10d0), _37174)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_41894, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_42826, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _50176)
   Call: (223) [system] peek_char((0x560c892e10d0), _51110)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_55830, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_56762, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _64112)
   Call: (224) [system] peek_char((0x560c892e10d0), _65046)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_69766, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_70698, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _78048)
   Call: (225) [system] peek_char((0x560c892e10d0), _78982)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_83702, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_84634, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _91984)
   Call: (226) [system] peek_char((0x560c892e10d0), _92918)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_97638, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_98570, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _105920)
   Call: (227) [system] peek_char((0x560c892e10d0), _106854)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _105920=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _91984=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _78048=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _64112=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _50176=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _36240=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (221) [system] _22304=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4916)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _132902)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_133854, _133856), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132902), _133836, fail)), '$restore_trace'(_133854, _133856))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_133854, _133856))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132902), _133836, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_132902)
   Fail: (222) [system] atomic(_132902)
   Call: (222) [system] atom_chars(_132902, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _4916='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _147852)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _149710)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _159304)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _162008)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _178942)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _184512)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _186370)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _202380)
   Exit: (220) [system] get_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', _184512)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _220022)
   Call: (222) [system] peek_char((0x560c892e10d0), _220956)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _220022=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _184512)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _230240)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_231192, _231194), once(user:catch(read_from_chars(['A'], _230240), _231174, fail)), '$restore_trace'(_231192, _231194))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_231192, _231194))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _230240), _231174, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_230240)
   Fail: (223) [system] atomic(_230240)
   Call: (223) [system] atom_chars(_230240, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _184512='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _245190)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _247048)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _256642)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _259346)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _276280)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _281850)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _283708)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _299718)
   Exit: (221) [system] get_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', _281850)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _317360)
   Call: (223) [system] peek_char((0x560c892e10d0), _318294)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_323014, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _317360=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _281850)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _329450)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_330402, _330404), once(user:catch(read_from_chars(['B'], _329450), _330384, fail)), '$restore_trace'(_330402, _330404))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_330402, _330404))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _329450), _330384, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_329450)
   Fail: (224) [system] atomic(_329450)
   Call: (224) [system] atom_chars(_329450, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _281850='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _344400)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _346258)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _362268)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _366058)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _344400=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _245190=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (219) [system] _147852=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (218) [system] _4910=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _379940)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _381798)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _391392)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _394096)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _411030)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _416600)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _418458)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _434468)
   Exit: (218) [system] get_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', _416600)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _452110)
   Call: (220) [system] peek_char((0x560c892e10d0), _453044)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_457764, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _452110=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _416600)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _464200)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_465152, _465154), once(user:catch(read_from_chars(['C'], _464200), _465134, fail)), '$restore_trace'(_465152, _465154))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_465152, _465154))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _464200), _465134, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_464200)
   Fail: (221) [system] atomic(_464200)
   Call: (221) [system] atom_chars(_464200, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _416600='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _479150)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _481008)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _497018)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _500808)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _479150=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _379940=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (216) [system] _4906=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4898=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _514690)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _516548)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _532558)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _536348)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _514690=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4888=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4880=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _550230)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _552088)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _568098)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _571888)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _550230=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _4876=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4852=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4844=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _585770)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _587628)
   Exit: (207) [system] peek_char((0x560c892e10d0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x560c892e10d0), _599078)
   Exit: (207) [system] get_char((0x560c892e10d0), '\n')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _601782)
   Exit: (208) [system] peek_char((0x560c892e10d0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x560c892e10d0), _611376)
   Exit: (208) [system] get_char((0x560c892e10d0), '\t')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _614080)
   Exit: (209) [system] peek_char((0x560c892e10d0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x560c892e10d0), _623674)
   Exit: (209) [system] get_char((0x560c892e10d0), '\t')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _626378)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _635972)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _638676)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _658382)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _663952)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _665810)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _681820)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _663952)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _687390)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _703400)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _708970)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _710828)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _726838)
   Exit: (209) [system] get_char((0x560c892e10d0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), :, _708970)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _744480)
   Call: (211) [system] peek_char((0x560c892e10d0), _745414)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _744480=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _708970)
^  Call: (211) [user] classify_and_convert_charseq_([:], _754698)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_755650, _755652), once(user:catch(read_from_chars([:], _754698), _755632, fail)), '$restore_trace'(_755650, _755652))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_755650, _755652))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _755632, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _708970=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _767778)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _769636)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _779230)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _781934)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _798868)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _804438)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _806296)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _822306)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _804438)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _827876)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _843886)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _849456)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _851314)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _867324)
   Exit: (212) [system] get_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', _849456)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _884966)
   Call: (214) [system] peek_char((0x560c892e10d0), _885900)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_890620, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_891552, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _898902)
   Call: (215) [system] peek_char((0x560c892e10d0), _899836)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_904556, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_905488, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _912838)
   Call: (216) [system] peek_char((0x560c892e10d0), _913772)
   Exit: (216) [system] peek_char((0x560c892e10d0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_918492, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_919424, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x560c892e10d0), j)
   Exit: (216) [system] get_char((0x560c892e10d0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _926774)
   Call: (217) [system] peek_char((0x560c892e10d0), _927708)
   Exit: (217) [system] peek_char((0x560c892e10d0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_932428, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_933360, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x560c892e10d0), u)
   Exit: (217) [system] get_char((0x560c892e10d0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _940710)
   Call: (218) [system] peek_char((0x560c892e10d0), _941644)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_946364, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_947296, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _954646)
   Call: (219) [system] peek_char((0x560c892e10d0), _955580)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_960300, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_961232, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _968582)
   Call: (220) [system] peek_char((0x560c892e10d0), _969516)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_974236, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_975168, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _982518)
   Call: (221) [system] peek_char((0x560c892e10d0), _983452)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_988172, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_989104, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _996454)
   Call: (222) [system] peek_char((0x560c892e10d0), _997388)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1002108, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1003040, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1010390)
   Call: (223) [system] peek_char((0x560c892e10d0), _1011324)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1016044, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1016976, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1024326)
   Call: (224) [system] peek_char((0x560c892e10d0), _1025260)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1029980, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_1030912, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x560c892e10d0), 'I')
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1038262)
   Call: (225) [system] peek_char((0x560c892e10d0), _1039196)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1043916, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1044848, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1052198)
   Call: (226) [system] peek_char((0x560c892e10d0), _1053132)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1057852, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1058784, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1066134)
   Call: (227) [system] peek_char((0x560c892e10d0), _1067068)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1071788, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1072720, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1080070)
   Call: (228) [system] peek_char((0x560c892e10d0), _1081004)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1085724, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1086656, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1094006)
   Call: (229) [system] peek_char((0x560c892e10d0), _1094940)
   Exit: (229) [system] peek_char((0x560c892e10d0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1099660, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1100592, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x560c892e10d0), d)
   Exit: (229) [system] get_char((0x560c892e10d0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1107942)
   Call: (230) [system] peek_char((0x560c892e10d0), _1108876)
   Exit: (230) [system] peek_char((0x560c892e10d0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1113596, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1114528, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x560c892e10d0), u)
   Exit: (230) [system] get_char((0x560c892e10d0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121878)
   Call: (231) [system] peek_char((0x560c892e10d0), _1122812)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1127532, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1128464, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1135814)
   Call: (232) [system] peek_char((0x560c892e10d0), _1136748)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1141468, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1142400, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1149750)
   Call: (233) [system] peek_char((0x560c892e10d0), _1150684)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1155404, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1156336, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1163686)
   Call: (234) [system] peek_char((0x560c892e10d0), _1164620)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1169340, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1170272, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1177622)
   Call: (235) [system] peek_char((0x560c892e10d0), _1178556)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1183276, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1184208, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1191558)
   Call: (236) [system] peek_char((0x560c892e10d0), _1192492)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1191558=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _1177622=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _1163686=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _1149750=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _1135814=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _1121878=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (230) [system] _1107942=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (229) [system] _1094006=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (228) [system] _1080070=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1066134=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1052198=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1038262=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1024326=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1010390=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _996454=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _982518=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _968582=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _954646=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _940710=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _926774=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _912838=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _898902=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _884966=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _849456)
^  Call: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1264196, _1264198), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244), _1264178, fail)), '$restore_trace'(_1264196, _1264198))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1264196, _1264198))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244), _1264178, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1263244)
   Fail: (215) [system] atomic(_1263244)
   Call: (215) [system] atom_chars(_1263244, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (214) [system] integer('ConjunctionIntroduction')
   Fail: (214) [system] integer('ConjunctionIntroduction')
   Call: (214) [system] _849456='ConjunctionIntroduction'
   Exit: (214) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1278194)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1280052)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1289646)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1292350)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1309284)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1314854)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1316712)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1332722)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), a, _1314854)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1350364)
   Call: (215) [system] peek_char((0x560c892e10d0), _1351298)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1350364=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _1314854)
^  Call: (215) [user] classify_and_convert_charseq_([a], _1360582)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1361534, _1361536), once(user:catch(read_from_chars([a], _1360582), _1361516, fail)), '$restore_trace'(_1361534, _1361536))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1361534, _1361536))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1361516, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _1314854=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1373662)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1375520)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1385114)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1387818)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
   Call: (215) [system] c=(/)
   Fail: (215) [system] c=(/)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1404752)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
   Call: (213) [system] c=')'
   Fail: (213) [system] c=')'
   Call: (213) [system] c=end_of_file
   Fail: (213) [system] c=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1410322)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1412180)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
   Call: (215) [system] c=(/)
   Fail: (215) [system] c=(/)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1428190)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c='('
   Fail: (214) [system] c='('
   Call: (214) [system] c='['
   Fail: (214) [system] c='['
   Call: (214) [system] c='{'
   Fail: (214) [system] c='{'
   Call: (214) [system] c='"'
   Fail: (214) [system] c='"'
   Call: (214) [system] c=!
   Fail: (214) [system] c=!
   Call: (214) [system] c='\''
   Fail: (214) [system] c='\''
   Call: (214) [system] c='`'
   Fail: (214) [system] c='`'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), c, _1410322)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445832)
   Call: (216) [system] peek_char((0x560c892e10d0), _1446766)
   Exit: (216) [system] peek_char((0x560c892e10d0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1451486, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1452418, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x560c892e10d0), d)
   Exit: (216) [system] get_char((0x560c892e10d0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1459768)
   Call: (217) [system] peek_char((0x560c892e10d0), _1460702)
   Exit: (217) [system] peek_char((0x560c892e10d0), e)
^  Call: (217) [user] is_delimiter(e)
   Call: (218) [system] char_type(e, space)
   Fail: (218) [system] char_type(e, space)
   Call: (218) [system] arg(_1465422, v('(', ')', end_of_file), e)
   Fail: (218) [system] arg(_1466354, v('(', ')', end_of_file), e)
^  Fail: (217) [user] is_delimiter(e)
   Call: (217) [system] ')'==e
   Fail: (217) [system] ')'==e
   Call: (217) [system] get_char((0x560c892e10d0), e)
   Exit: (217) [system] get_char((0x560c892e10d0), e)
   Call: (217) [system] e=(\)
   Fail: (217) [system] e=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1473704)
   Call: (218) [system] peek_char((0x560c892e10d0), _1474638)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1479358, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1473704=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _1459768=[e]
   Exit: (217) [system] [e]=[e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (216) [system] _1445832=[d, e]
   Exit: (216) [system] [d, e]=[d, e]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (215) [user] classify_and_convert_charseq([c, d, e], _1410322)
^  Call: (216) [user] classify_and_convert_charseq_([c, d, e], _1491382)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1492334, _1492336), once(user:catch(read_from_chars([c, d, e], _1491382), _1492316, fail)), '$restore_trace'(_1492334, _1492336))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1492334, _1492336))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1492316, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(cde)
   Exit: (217) [system] atomic(cde)
^  Exit: (216) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (216) [system] integer(cde)
   Fail: (216) [system] integer(cde)
   Call: (216) [system] _1410322=cde
   Exit: (216) [system] cde=cde
^  Exit: (215) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1504462)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1506320)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1522330)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _1526120)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _1504462=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _1373662=[cde]
   Exit: (213) [system] [cde]=[cde]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (212) [system] _1278194=[a, cde]
   Exit: (212) [system] [a, cde]=[a, cde]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (211) [system] _804438=['ConjunctionIntroduction', a, cde]
   Exit: (211) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, cde])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, cde])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1540002)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1541860)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1551454)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1554158)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1571092)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1576662)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1578520)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1594530)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1576662)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1600100)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1616110)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1621680)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1623538)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1639548)
   Exit: (213) [system] get_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1621680)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1657190)
   Call: (215) [system] peek_char((0x560c892e10d0), _1658124)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1662844, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1663776, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1671126)
   Call: (216) [system] peek_char((0x560c892e10d0), _1672060)
   Exit: (216) [system] peek_char((0x560c892e10d0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1676780, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1677712, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x560c892e10d0), d)
   Exit: (216) [system] get_char((0x560c892e10d0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1685062)
   Call: (217) [system] peek_char((0x560c892e10d0), _1685996)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1690716, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1691648, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x560c892e10d0), 'L')
   Exit: (217) [system] get_char((0x560c892e10d0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1698998)
   Call: (218) [system] peek_char((0x560c892e10d0), _1699932)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1704652, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1705584, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1712934)
   Call: (219) [system] peek_char((0x560c892e10d0), _1713868)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1718588, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1719520, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1726870)
   Call: (220) [system] peek_char((0x560c892e10d0), _1727804)
   Exit: (220) [system] peek_char((0x560c892e10d0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1732524, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1733456, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x560c892e10d0), k)
   Exit: (220) [system] get_char((0x560c892e10d0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1740806)
   Call: (221) [system] peek_char((0x560c892e10d0), _1741740)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1740806=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _1726870=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (219) [system] _1712934=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (218) [system] _1698998=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (217) [system] _1685062=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (216) [system] _1671126=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (215) [system] _1657190=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1621680)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1767788)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1768740, _1768742), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1767788), _1768722, fail)), '$restore_trace'(_1768740, _1768742))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1768740, _1768742))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1767788), _1768722, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1767788)
   Fail: (216) [system] atomic(_1767788)
   Call: (216) [system] atom_chars(_1767788, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _1621680='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1782738)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1784596)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1794190)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1796894)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1813828)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1819398)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1821256)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1837266)
   Exit: (214) [system] get_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1819398)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1854908)
   Call: (216) [system] peek_char((0x560c892e10d0), _1855842)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1854908=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1819398)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1865126)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1866078, _1866080), once(user:catch(read_from_chars(['B'], _1865126), _1866060, fail)), '$restore_trace'(_1866078, _1866080))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1866078, _1866080))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1865126), _1866060, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1865126)
   Fail: (217) [system] atomic(_1865126)
   Call: (217) [system] atom_chars(_1865126, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1819398='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1880076)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1881934)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1891528)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1894232)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1911166)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1916736)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1918594)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1934604)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1916736)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1940174)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1956184)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1961754)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1963612)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1979622)
   Exit: (217) [system] get_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1961754)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1997264)
   Call: (219) [system] peek_char((0x560c892e10d0), _1998198)
   Exit: (219) [system] peek_char((0x560c892e10d0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_2002918, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_2003850, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x560c892e10d0), m)
   Exit: (219) [system] get_char((0x560c892e10d0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2011200)
   Call: (220) [system] peek_char((0x560c892e10d0), _2012134)
   Exit: (220) [system] peek_char((0x560c892e10d0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_2016854, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_2017786, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x560c892e10d0), p)
   Exit: (220) [system] get_char((0x560c892e10d0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2025136)
   Call: (221) [system] peek_char((0x560c892e10d0), _2026070)
   Exit: (221) [system] peek_char((0x560c892e10d0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_2030790, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_2031722, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x560c892e10d0), l)
   Exit: (221) [system] get_char((0x560c892e10d0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2039072)
   Call: (222) [system] peek_char((0x560c892e10d0), _2040006)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2044726, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2045658, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2053008)
   Call: (223) [system] peek_char((0x560c892e10d0), _2053942)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_2058662, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_2059594, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2066944)
   Call: (224) [system] peek_char((0x560c892e10d0), _2067878)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_2072598, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_2073530, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x560c892e10d0), a)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2080880)
   Call: (225) [system] peek_char((0x560c892e10d0), _2081814)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_2086534, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_2087466, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2094816)
   Call: (226) [system] peek_char((0x560c892e10d0), _2095750)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_8646, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_9578, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _16928)
   Call: (227) [system] peek_char((0x560c892e10d0), _17862)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_22582, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_23514, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _30864)
   Call: (228) [system] peek_char((0x560c892e10d0), _31798)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_36518, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_37450, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _44800)
   Call: (229) [system] peek_char((0x560c892e10d0), _45734)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _44800=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _30864=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (227) [system] _16928=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (226) [system] _5032=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (225) [system] _5028=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (224) [system] _5024=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (223) [system] _5020=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (222) [system] _5016=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (221) [system] _5012=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _5008=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _5004=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5000)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _82958)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_83910, _83912), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _82958), _83892, fail)), '$restore_trace'(_83910, _83912))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_83910, _83912))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _82958), _83892, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_82958)
   Fail: (220) [system] atomic(_82958)
   Call: (220) [system] atom_chars(_82958, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _5000='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _97908)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _99766)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _109360)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _112064)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _128998)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _134568)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _136426)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _152436)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _134568)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _158006)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _174016)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _179586)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _181444)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _197454)
   Exit: (220) [system] get_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', _179586)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _215096)
   Call: (222) [system] peek_char((0x560c892e10d0), _216030)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_220750, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_221682, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _229032)
   Call: (223) [system] peek_char((0x560c892e10d0), _229966)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_234686, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_235618, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _242968)
   Call: (224) [system] peek_char((0x560c892e10d0), _243902)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_248622, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_249554, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _256904)
   Call: (225) [system] peek_char((0x560c892e10d0), _257838)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_262558, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_263490, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _270840)
   Call: (226) [system] peek_char((0x560c892e10d0), _271774)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_276494, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_277426, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _284776)
   Call: (227) [system] peek_char((0x560c892e10d0), _285710)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _284776=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _270840=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _256904=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _242968=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _229032=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _215096=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _179586)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _308964)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_309916, _309918), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308964), _309898, fail)), '$restore_trace'(_309916, _309918))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_309916, _309918))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308964), _309898, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_308964)
   Fail: (223) [system] atomic(_308964)
   Call: (223) [system] atom_chars(_308964, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _179586='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _323914)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _325772)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _335366)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _338070)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _355004)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _360574)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _362432)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _378442)
   Exit: (221) [system] get_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', _360574)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _396084)
   Call: (223) [system] peek_char((0x560c892e10d0), _397018)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _396084=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _360574)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _406302)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_407254, _407256), once(user:catch(read_from_chars(['C'], _406302), _407236, fail)), '$restore_trace'(_407254, _407256))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_407254, _407256))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _406302), _407236, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_406302)
   Fail: (224) [system] atomic(_406302)
   Call: (224) [system] atom_chars(_406302, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _360574='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _421252)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _423110)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _432704)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _435408)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _452342)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _457912)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _459770)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _475780)
   Exit: (222) [system] get_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', _457912)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _493422)
   Call: (224) [system] peek_char((0x560c892e10d0), _494356)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_499076, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _493422=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['D'], _457912)
^  Call: (224) [user] classify_and_convert_charseq_(['D'], _505512)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_506464, _506466), once(user:catch(read_from_chars(['D'], _505512), _506446, fail)), '$restore_trace'(_506464, _506466))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_506464, _506466))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _505512), _506446, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_505512)
   Fail: (225) [system] atomic(_505512)
   Call: (225) [system] atom_chars(_505512, ['D'])
   Exit: (225) [system] atom_chars('D', ['D'])
^  Exit: (224) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (224) [system] integer('D')
   Fail: (224) [system] integer('D')
   Call: (224) [system] _457912='D'
   Exit: (224) [system] 'D'='D'
^  Exit: (223) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _520462)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _522320)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _538330)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _542120)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _520462=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _421252=['D']
   Exit: (221) [system] ['D']=['D']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (220) [system] _323914=['C', 'D']
   Exit: (220) [system] ['C', 'D']=['C', 'D']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (219) [system] _134568=['OrLink', 'C', 'D']
   Exit: (219) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _556002)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _557860)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _567454)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _570158)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
   Call: (220) [system] 'E'=(/)
   Fail: (220) [system] 'E'=(/)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _587092)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'E')
   Call: (218) [system] 'E'=')'
   Fail: (218) [system] 'E'=')'
   Call: (218) [system] 'E'=end_of_file
   Fail: (218) [system] 'E'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _592662)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _594520)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
   Call: (220) [system] 'E'=(/)
   Fail: (220) [system] 'E'=(/)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _610530)
   Exit: (219) [system] get_char((0x560c892e10d0), 'E')
   Call: (219) [system] 'E'='('
   Fail: (219) [system] 'E'='('
   Call: (219) [system] 'E'='['
   Fail: (219) [system] 'E'='['
   Call: (219) [system] 'E'='{'
   Fail: (219) [system] 'E'='{'
   Call: (219) [system] 'E'='"'
   Fail: (219) [system] 'E'='"'
   Call: (219) [system] 'E'=!
   Fail: (219) [system] 'E'=!
   Call: (219) [system] 'E'='\''
   Fail: (219) [system] 'E'='\''
   Call: (219) [system] 'E'='`'
   Fail: (219) [system] 'E'='`'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'E', _592662)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _628172)
   Call: (221) [system] peek_char((0x560c892e10d0), _629106)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_633826, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _628172=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['E'], _592662)
^  Call: (221) [user] classify_and_convert_charseq_(['E'], _640262)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_641214, _641216), once(user:catch(read_from_chars(['E'], _640262), _641196, fail)), '$restore_trace'(_641214, _641216))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_641214, _641216))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _640262), _641196, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_640262)
   Fail: (222) [system] atomic(_640262)
   Call: (222) [system] atom_chars(_640262, ['E'])
   Exit: (222) [system] atom_chars('E', ['E'])
^  Exit: (221) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (221) [system] integer('E')
   Fail: (221) [system] integer('E')
   Call: (221) [system] _592662='E'
   Exit: (221) [system] 'E'='E'
^  Exit: (220) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _655212)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _657070)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _673080)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _676870)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _655212=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _556002=['E']
   Exit: (218) [system] ['E']=['E']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (217) [system] _97908=[['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (216) [system] _4994=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (216) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _690752)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _692610)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _708620)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _712410)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _690752=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _4990=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _4984=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (212) [system] _4976=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (212) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _726292)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _728150)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _744160)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _747950)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _726292=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _4972=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _4948=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (208) [system] _4940=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (208) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _761832)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _763690)
   Exit: (208) [system] peek_char((0x560c892e10d0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x560c892e10d0), _775140)
   Exit: (208) [system] get_char((0x560c892e10d0), '\n')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _777844)
   Exit: (209) [system] peek_char((0x560c892e10d0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x560c892e10d0), _787438)
   Exit: (209) [system] get_char((0x560c892e10d0), '\t')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _790142)
   Exit: (210) [system] peek_char((0x560c892e10d0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x560c892e10d0), _799736)
   Exit: (210) [system] get_char((0x560c892e10d0), '\t')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _802440)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _812034)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _814738)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _834444)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _840014)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _841872)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _857882)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _840014)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _863452)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _879462)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _885032)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _886890)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _902900)
   Exit: (210) [system] get_char((0x560c892e10d0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), :, _885032)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _920542)
   Call: (212) [system] peek_char((0x560c892e10d0), _921476)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _920542=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _885032)
^  Call: (212) [user] classify_and_convert_charseq_([:], _930760)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_931712, _931714), once(user:catch(read_from_chars([:], _930760), _931694, fail)), '$restore_trace'(_931712, _931714))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_931712, _931714))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _931694, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _885032=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _943840)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _945698)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _955292)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _957996)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _974930)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _980500)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _982358)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _998368)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _980500)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1003938)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1019948)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1025518)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1027376)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1043386)
   Exit: (213) [system] get_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1025518)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1061028)
   Call: (215) [system] peek_char((0x560c892e10d0), _1061962)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1066682, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1067614, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1074964)
   Call: (216) [system] peek_char((0x560c892e10d0), _1075898)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1080618, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1081550, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1088900)
   Call: (217) [system] peek_char((0x560c892e10d0), _1089834)
   Exit: (217) [system] peek_char((0x560c892e10d0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1094554, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_1095486, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x560c892e10d0), j)
   Exit: (217) [system] get_char((0x560c892e10d0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1102836)
   Call: (218) [system] peek_char((0x560c892e10d0), _1103770)
   Exit: (218) [system] peek_char((0x560c892e10d0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1108490, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1109422, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x560c892e10d0), u)
   Exit: (218) [system] get_char((0x560c892e10d0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1116772)
   Call: (219) [system] peek_char((0x560c892e10d0), _1117706)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1122426, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1123358, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1130708)
   Call: (220) [system] peek_char((0x560c892e10d0), _1131642)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1136362, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1137294, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1144644)
   Call: (221) [system] peek_char((0x560c892e10d0), _1145578)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1150298, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1151230, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1158580)
   Call: (222) [system] peek_char((0x560c892e10d0), _1159514)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1164234, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1165166, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172516)
   Call: (223) [system] peek_char((0x560c892e10d0), _1173450)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1178170, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1179102, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186452)
   Call: (224) [system] peek_char((0x560c892e10d0), _1187386)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1192106, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1193038, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200388)
   Call: (225) [system] peek_char((0x560c892e10d0), _1201322)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1206042, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1206974, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x560c892e10d0), 'I')
   Exit: (225) [system] get_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214324)
   Call: (226) [system] peek_char((0x560c892e10d0), _1215258)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1219978, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1220910, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228260)
   Call: (227) [system] peek_char((0x560c892e10d0), _1229194)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1233914, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1234846, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242196)
   Call: (228) [system] peek_char((0x560c892e10d0), _1243130)
   Exit: (228) [system] peek_char((0x560c892e10d0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1247850, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1248782, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x560c892e10d0), r)
   Exit: (228) [system] get_char((0x560c892e10d0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1256132)
   Call: (229) [system] peek_char((0x560c892e10d0), _1257066)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1261786, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1262718, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270068)
   Call: (230) [system] peek_char((0x560c892e10d0), _1271002)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1275722, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1276654, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1284004)
   Call: (231) [system] peek_char((0x560c892e10d0), _1284938)
   Exit: (231) [system] peek_char((0x560c892e10d0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1289658, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1290590, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x560c892e10d0), u)
   Exit: (231) [system] get_char((0x560c892e10d0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297940)
   Call: (232) [system] peek_char((0x560c892e10d0), _1298874)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1303594, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1304526, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1311876)
   Call: (233) [system] peek_char((0x560c892e10d0), _1312810)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1317530, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1318462, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325812)
   Call: (234) [system] peek_char((0x560c892e10d0), _1326746)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1331466, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1332398, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1339748)
   Call: (235) [system] peek_char((0x560c892e10d0), _1340682)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1345402, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1346334, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1353684)
   Call: (236) [system] peek_char((0x560c892e10d0), _1354618)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1359338, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1360270, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1367620)
   Call: (237) [system] peek_char((0x560c892e10d0), _1368554)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1367620=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _1353684=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (235) [system] _1339748=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (234) [system] _1325812=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (233) [system] _1311876=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (232) [system] _1297940=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (231) [system] _1284004=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (230) [system] _1270068=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (229) [system] _1256132=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1242196=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1228260=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1214324=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1200388=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1186452=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1172516=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1158580=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1144644=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1130708=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1116772=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1102836=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1088900=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1074964=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1061028=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1025518)
^  Call: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1440258, _1440260), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306), _1440240, fail)), '$restore_trace'(_1440258, _1440260))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1440258, _1440260))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306), _1440240, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1439306)
   Fail: (216) [system] atomic(_1439306)
   Call: (216) [system] atom_chars(_1439306, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (215) [system] integer('ConjunctionIntroduction')
   Fail: (215) [system] integer('ConjunctionIntroduction')
   Call: (215) [system] _1025518='ConjunctionIntroduction'
   Exit: (215) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1454256)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1456114)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1465708)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1468412)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1485346)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1490916)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1492774)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1508784)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), a, _1490916)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1526426)
   Call: (216) [system] peek_char((0x560c892e10d0), _1527360)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1526426=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _1490916)
^  Call: (216) [user] classify_and_convert_charseq_([a], _1536644)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1537596, _1537598), once(user:catch(read_from_chars([a], _1536644), _1537578, fail)), '$restore_trace'(_1537596, _1537598))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1537596, _1537598))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1537578, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _1490916=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1549724)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1551582)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1561176)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1563880)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1580814)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1586384)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1588242)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1604252)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), a, _1586384)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1621894)
   Call: (217) [system] peek_char((0x560c892e10d0), _1622828)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1627548, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1621894=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _1586384)
^  Call: (217) [user] classify_and_convert_charseq_([a], _1633984)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1634936, _1634938), once(user:catch(read_from_chars([a], _1633984), _1634918, fail)), '$restore_trace'(_1634936, _1634938))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1634936, _1634938))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1634918, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _1586384=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1647064)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1648922)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1664932)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1668722)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1647064=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _1549724=[a]
   Exit: (214) [system] [a]=[a]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (213) [system] _1454256=[a, a]
   Exit: (213) [system] [a, a]=[a, a]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (212) [system] _980500=['ConjunctionIntroduction', a, a]
   Exit: (212) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1682604)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1684462)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1694056)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1696760)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1713694)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1719264)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1721122)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1737132)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1719264)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1742702)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1758712)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1764282)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1766140)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1782150)
   Exit: (214) [system] get_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1764282)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1799792)
   Call: (216) [system] peek_char((0x560c892e10d0), _1800726)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1805446, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1806378, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1813728)
   Call: (217) [system] peek_char((0x560c892e10d0), _1814662)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1819382, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1820314, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1827664)
   Call: (218) [system] peek_char((0x560c892e10d0), _1828598)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1833318, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1834250, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x560c892e10d0), 'L')
   Exit: (218) [system] get_char((0x560c892e10d0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1841600)
   Call: (219) [system] peek_char((0x560c892e10d0), _1842534)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1847254, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1848186, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1855536)
   Call: (220) [system] peek_char((0x560c892e10d0), _1856470)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1861190, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1862122, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1869472)
   Call: (221) [system] peek_char((0x560c892e10d0), _1870406)
   Exit: (221) [system] peek_char((0x560c892e10d0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1875126, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1876058, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x560c892e10d0), k)
   Exit: (221) [system] get_char((0x560c892e10d0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1883408)
   Call: (222) [system] peek_char((0x560c892e10d0), _1884342)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1883408=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1869472=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (220) [system] _1855536=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (219) [system] _1841600=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (218) [system] _1827664=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (217) [system] _1813728=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (216) [system] _1799792=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1764282)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1910390)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1911342, _1911344), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1910390), _1911324, fail)), '$restore_trace'(_1911342, _1911344))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1911342, _1911344))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1910390), _1911324, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1910390)
   Fail: (217) [system] atomic(_1910390)
   Call: (217) [system] atom_chars(_1910390, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _1764282='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1925340)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1927198)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1936792)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1939496)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1956430)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1962000)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1963858)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1979868)
   Exit: (215) [system] get_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1962000)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1997510)
   Call: (217) [system] peek_char((0x560c892e10d0), _1998444)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1997510=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1962000)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _2007728)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2008680, _2008682), once(user:catch(read_from_chars(['B'], _2007728), _2008662, fail)), '$restore_trace'(_2008680, _2008682))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2008680, _2008682))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2007728), _2008662, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_2007728)
   Fail: (218) [system] atomic(_2007728)
   Call: (218) [system] atom_chars(_2007728, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1962000='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _2022678)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2024536)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _2034130)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2036834)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2053768)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _2059338)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2061196)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _2077206)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2059338)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2094848)
   Call: (218) [system] peek_char((0x560c892e10d0), _2095782)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_8734, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _5094=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _5090)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _15170)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_16122, _16124), once(user:catch(read_from_chars(['A'], _15170), _16104, fail)), '$restore_trace'(_16122, _16124))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_16122, _16124))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _15170), _16104, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_15170)
   Fail: (219) [system] atomic(_15170)
   Call: (219) [system] atom_chars(_15170, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _5090='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _30120)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _31978)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _47988)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _51778)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _30120=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _5086=['A']
   Exit: (215) [system] ['A']=['A']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (214) [system] _5080=['B', 'A']
   Exit: (214) [system] ['B', 'A']=['B', 'A']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['B', 'A'])
   Call: (213) [system] _5072=['AndLink', 'B', 'A']
   Exit: (213) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'B', 'A'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'B', 'A'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _65660)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _67518)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _83528)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _87318)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _65660=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _5068=[['AndLink', 'B', 'A']]
   Exit: (211) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'B', 'A']])
   Call: (210) [system] _5044=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (210) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
   Call: (209) [system] _5036=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (209) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _101200)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _103058)
   Exit: (209) [system] peek_char((0x560c892e10d0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x560c892e10d0), _114508)
   Exit: (209) [system] get_char((0x560c892e10d0), '\n')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _117212)
   Exit: (210) [system] peek_char((0x560c892e10d0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x560c892e10d0), _126806)
   Exit: (210) [system] get_char((0x560c892e10d0), '\t')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _129510)
   Exit: (211) [system] peek_char((0x560c892e10d0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x560c892e10d0), _139104)
   Exit: (211) [system] get_char((0x560c892e10d0), '\t')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _141808)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _151402)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _154106)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _173812)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _179382)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _181240)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _197250)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _179382)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _202820)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _218830)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _224400)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _226258)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _242268)
   Exit: (211) [system] get_char((0x560c892e10d0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), :, _224400)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _259910)
   Call: (213) [system] peek_char((0x560c892e10d0), _260844)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _259910=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _224400)
^  Call: (213) [user] classify_and_convert_charseq_([:], _270128)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_271080, _271082), once(user:catch(read_from_chars([:], _270128), _271062, fail)), '$restore_trace'(_271080, _271082))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_271080, _271082))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _271062, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _224400=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _283208)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _285066)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _294660)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _297364)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _314298)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _319868)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _321726)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _337736)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _319868)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _343306)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _359316)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _364886)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _366744)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _382754)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _364886)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _400396)
   Call: (216) [system] peek_char((0x560c892e10d0), _401330)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_406050, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_406982, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _414332)
   Call: (217) [system] peek_char((0x560c892e10d0), _415266)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_419986, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_420918, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _428268)
   Call: (218) [system] peek_char((0x560c892e10d0), _429202)
   Exit: (218) [system] peek_char((0x560c892e10d0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_433922, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_434854, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x560c892e10d0), j)
   Exit: (218) [system] get_char((0x560c892e10d0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _442204)
   Call: (219) [system] peek_char((0x560c892e10d0), _443138)
   Exit: (219) [system] peek_char((0x560c892e10d0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_447858, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_448790, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x560c892e10d0), u)
   Exit: (219) [system] get_char((0x560c892e10d0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _456140)
   Call: (220) [system] peek_char((0x560c892e10d0), _457074)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_461794, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_462726, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _470076)
   Call: (221) [system] peek_char((0x560c892e10d0), _471010)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_475730, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_476662, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _484012)
   Call: (222) [system] peek_char((0x560c892e10d0), _484946)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_489666, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_490598, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _497948)
   Call: (223) [system] peek_char((0x560c892e10d0), _498882)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_503602, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_504534, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _511884)
   Call: (224) [system] peek_char((0x560c892e10d0), _512818)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_517538, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_518470, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _525820)
   Call: (225) [system] peek_char((0x560c892e10d0), _526754)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_531474, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_532406, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _539756)
   Call: (226) [system] peek_char((0x560c892e10d0), _540690)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_545410, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_546342, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x560c892e10d0), 'I')
   Exit: (226) [system] get_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _553692)
   Call: (227) [system] peek_char((0x560c892e10d0), _554626)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_559346, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_560278, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _567628)
   Call: (228) [system] peek_char((0x560c892e10d0), _568562)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_573282, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_574214, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _581564)
   Call: (229) [system] peek_char((0x560c892e10d0), _582498)
   Exit: (229) [system] peek_char((0x560c892e10d0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_587218, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_588150, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x560c892e10d0), r)
   Exit: (229) [system] get_char((0x560c892e10d0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _595500)
   Call: (230) [system] peek_char((0x560c892e10d0), _596434)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_601154, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_602086, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _609436)
   Call: (231) [system] peek_char((0x560c892e10d0), _610370)
   Exit: (231) [system] peek_char((0x560c892e10d0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_615090, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_616022, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x560c892e10d0), d)
   Exit: (231) [system] get_char((0x560c892e10d0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _623372)
   Call: (232) [system] peek_char((0x560c892e10d0), _624306)
   Exit: (232) [system] peek_char((0x560c892e10d0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_629026, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_629958, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x560c892e10d0), u)
   Exit: (232) [system] get_char((0x560c892e10d0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _637308)
   Call: (233) [system] peek_char((0x560c892e10d0), _638242)
   Exit: (233) [system] peek_char((0x560c892e10d0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_642962, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_643894, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x560c892e10d0), c)
   Exit: (233) [system] get_char((0x560c892e10d0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _651244)
   Call: (234) [system] peek_char((0x560c892e10d0), _652178)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_656898, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_657830, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _665180)
   Call: (235) [system] peek_char((0x560c892e10d0), _666114)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_670834, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_671766, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _679116)
   Call: (236) [system] peek_char((0x560c892e10d0), _680050)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_684770, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_685702, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _693052)
   Call: (237) [system] peek_char((0x560c892e10d0), _693986)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_698706, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_699638, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _706988)
   Call: (238) [system] peek_char((0x560c892e10d0), _707922)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _706988=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _693052=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (236) [system] _679116=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (235) [system] _665180=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (234) [system] _651244=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (233) [system] _637308=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (232) [system] _623372=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (231) [system] _609436=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (230) [system] _595500=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _581564=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _567628=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _553692=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _539756=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _525820=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _511884=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _497948=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _484012=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _470076=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _456140=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _442204=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _428268=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _414332=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _400396=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _364886)
^  Call: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_779626, _779628), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674), _779608, fail)), '$restore_trace'(_779626, _779628))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_779626, _779628))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674), _779608, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_778674)
   Fail: (217) [system] atomic(_778674)
   Call: (217) [system] atom_chars(_778674, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (216) [system] integer('ConjunctionIntroduction')
   Fail: (216) [system] integer('ConjunctionIntroduction')
   Call: (216) [system] _364886='ConjunctionIntroduction'
   Exit: (216) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _793624)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _795482)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _805076)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _807780)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _824714)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _830284)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _832142)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _848152)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), a, _830284)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _865794)
   Call: (217) [system] peek_char((0x560c892e10d0), _866728)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _865794=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _830284)
^  Call: (217) [user] classify_and_convert_charseq_([a], _876012)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_876964, _876966), once(user:catch(read_from_chars([a], _876012), _876946, fail)), '$restore_trace'(_876964, _876966))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_876964, _876966))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _876946, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _830284=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _889092)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _890950)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _900544)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _903248)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _920182)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _925752)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _927610)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _943620)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), a, _925752)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _961262)
   Call: (218) [system] peek_char((0x560c892e10d0), _962196)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_966916, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _961262=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _925752)
^  Call: (218) [user] classify_and_convert_charseq_([a], _973352)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_974304, _974306), once(user:catch(read_from_chars([a], _973352), _974286, fail)), '$restore_trace'(_974304, _974306))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_974304, _974306))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _974286, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _925752=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _986432)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _988290)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1004300)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1008090)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _986432=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _889092=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (214) [system] _793624=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (213) [system] _319868=['ConjunctionIntroduction', a, a]
   Exit: (213) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1021972)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1023830)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1033424)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1036128)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1053062)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1058632)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1060490)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1076500)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1058632)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1082070)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1098080)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1103650)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1105508)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1121518)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1103650)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1139160)
   Call: (217) [system] peek_char((0x560c892e10d0), _1140094)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1144814, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1145746, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1153096)
   Call: (218) [system] peek_char((0x560c892e10d0), _1154030)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1158750, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1159682, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1167032)
   Call: (219) [system] peek_char((0x560c892e10d0), _1167966)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1172686, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1173618, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1180968)
   Call: (220) [system] peek_char((0x560c892e10d0), _1181902)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1186622, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1187554, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1194904)
   Call: (221) [system] peek_char((0x560c892e10d0), _1195838)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1200558, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1201490, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1208840)
   Call: (222) [system] peek_char((0x560c892e10d0), _1209774)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1214494, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1215426, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1222776)
   Call: (223) [system] peek_char((0x560c892e10d0), _1223710)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1222776=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1208840=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1194904=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1180968=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1167032=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1153096=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (217) [system] _1139160=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1103650)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1249758)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1250710, _1250712), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1249758), _1250692, fail)), '$restore_trace'(_1250710, _1250712))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1250710, _1250712))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1249758), _1250692, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1249758)
   Fail: (218) [system] atomic(_1249758)
   Call: (218) [system] atom_chars(_1249758, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1103650='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1264708)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1266566)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1276160)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1278864)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1295798)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1301368)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1303226)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1319236)
   Exit: (216) [system] get_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1301368)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1336878)
   Call: (218) [system] peek_char((0x560c892e10d0), _1337812)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1336878=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1301368)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1347096)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1348048, _1348050), once(user:catch(read_from_chars(['B'], _1347096), _1348030, fail)), '$restore_trace'(_1348048, _1348050))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1348048, _1348050))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1347096), _1348030, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1347096)
   Fail: (219) [system] atomic(_1347096)
   Call: (219) [system] atom_chars(_1347096, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1301368='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1362046)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1363904)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1373498)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1376202)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1393136)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1398706)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1400564)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1416574)
   Exit: (217) [system] get_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1398706)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1434216)
   Call: (219) [system] peek_char((0x560c892e10d0), _1435150)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1439870, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1434216=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1398706)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1446306)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1447258, _1447260), once(user:catch(read_from_chars(['B'], _1446306), _1447240, fail)), '$restore_trace'(_1447258, _1447260))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1447258, _1447260))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1446306), _1447240, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1446306)
   Fail: (220) [system] atomic(_1446306)
   Call: (220) [system] atom_chars(_1446306, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1398706='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1461256)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1463114)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1479124)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1482914)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1461256=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _1362046=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (215) [system] _1264708=['B', 'B']
   Exit: (215) [system] ['B', 'B']=['B', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['B', 'B'])
   Call: (214) [system] _1058632=['AndLink', 'B', 'B']
   Exit: (214) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'B', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'B', 'B'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1496796)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1498654)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1514664)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1518454)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1496796=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1021972=[['AndLink', 'B', 'B']]
   Exit: (212) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'B', 'B']])
   Call: (211) [system] _283208=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (211) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
   Call: (210) [system] _179382=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (210) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1532336)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1534194)
   Exit: (210) [system] peek_char((0x560c892e10d0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x560c892e10d0), _1545644)
   Exit: (210) [system] get_char((0x560c892e10d0), '\n')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1548348)
   Exit: (211) [system] peek_char((0x560c892e10d0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x560c892e10d0), _1557942)
   Exit: (211) [system] get_char((0x560c892e10d0), '\t')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1560646)
   Exit: (212) [system] peek_char((0x560c892e10d0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x560c892e10d0), _1570240)
   Exit: (212) [system] get_char((0x560c892e10d0), '\t')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1572944)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1582538)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1585242)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1604948)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1610518)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1612376)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1628386)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1610518)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1633956)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1649966)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1655536)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1657394)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1673404)
   Exit: (212) [system] get_char((0x560c892e10d0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), :, _1655536)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1691046)
   Call: (214) [system] peek_char((0x560c892e10d0), _1691980)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1691046=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _1655536)
^  Call: (214) [user] classify_and_convert_charseq_([:], _1701264)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1702216, _1702218), once(user:catch(read_from_chars([:], _1701264), _1702198, fail)), '$restore_trace'(_1702216, _1702218))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1702216, _1702218))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1702198, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _1655536=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1714344)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1716202)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1725796)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1728500)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1745434)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1751004)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1752862)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1768872)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1751004)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1774442)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1790452)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1796022)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1797880)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1813890)
   Exit: (215) [system] get_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1796022)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1831532)
   Call: (217) [system] peek_char((0x560c892e10d0), _1832466)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1837186, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1838118, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1845468)
   Call: (218) [system] peek_char((0x560c892e10d0), _1846402)
   Exit: (218) [system] peek_char((0x560c892e10d0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1851122, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_1852054, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x560c892e10d0), s)
   Exit: (218) [system] get_char((0x560c892e10d0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1859404)
   Call: (219) [system] peek_char((0x560c892e10d0), _1860338)
   Exit: (219) [system] peek_char((0x560c892e10d0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_1865058, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_1865990, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x560c892e10d0), j)
   Exit: (219) [system] get_char((0x560c892e10d0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873340)
   Call: (220) [system] peek_char((0x560c892e10d0), _1874274)
   Exit: (220) [system] peek_char((0x560c892e10d0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1878994, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1879926, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x560c892e10d0), u)
   Exit: (220) [system] get_char((0x560c892e10d0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1887276)
   Call: (221) [system] peek_char((0x560c892e10d0), _1888210)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1892930, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1893862, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1901212)
   Call: (222) [system] peek_char((0x560c892e10d0), _1902146)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1906866, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1907798, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1915148)
   Call: (223) [system] peek_char((0x560c892e10d0), _1916082)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1920802, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1921734, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1929084)
   Call: (224) [system] peek_char((0x560c892e10d0), _1930018)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1934738, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1935670, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1943020)
   Call: (225) [system] peek_char((0x560c892e10d0), _1943954)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1948674, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1949606, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1956956)
   Call: (226) [system] peek_char((0x560c892e10d0), _1957890)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1962610, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1963542, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1970892)
   Call: (227) [system] peek_char((0x560c892e10d0), _1971826)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_1976546, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_1977478, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x560c892e10d0), 'I')
   Exit: (227) [system] get_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1984828)
   Call: (228) [system] peek_char((0x560c892e10d0), _1985762)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1990482, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1991414, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1998764)
   Call: (229) [system] peek_char((0x560c892e10d0), _1999698)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_2004418, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_2005350, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2012700)
   Call: (230) [system] peek_char((0x560c892e10d0), _2013634)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_2018354, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_2019286, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2026636)
   Call: (231) [system] peek_char((0x560c892e10d0), _2027570)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_2032290, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_2033222, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _2040572)
   Call: (232) [system] peek_char((0x560c892e10d0), _2041506)
   Exit: (232) [system] peek_char((0x560c892e10d0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_2046226, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_2047158, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x560c892e10d0), d)
   Exit: (232) [system] get_char((0x560c892e10d0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _2054508)
   Call: (233) [system] peek_char((0x560c892e10d0), _2055442)
   Exit: (233) [system] peek_char((0x560c892e10d0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_2060162, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_2061094, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x560c892e10d0), u)
   Exit: (233) [system] get_char((0x560c892e10d0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _2068444)
   Call: (234) [system] peek_char((0x560c892e10d0), _2069378)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_2074098, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_2075030, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _2082380)
   Call: (235) [system] peek_char((0x560c892e10d0), _2083314)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_2088034, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_2088966, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _5256)
   Call: (236) [system] peek_char((0x560c892e10d0), _5782)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_10502, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_11434, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _18784)
   Call: (237) [system] peek_char((0x560c892e10d0), _19718)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_24438, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_25370, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _32720)
   Call: (238) [system] peek_char((0x560c892e10d0), _33654)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_38374, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_39306, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _46656)
   Call: (239) [system] peek_char((0x560c892e10d0), _47590)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _46656=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _32720=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (237) [system] _18784=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (236) [system] _5256=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (235) [system] _5250=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (234) [system] _5246=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (233) [system] _5242=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (232) [system] _5238=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (231) [system] _5234=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _5230=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5226=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5222=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5218=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5214=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5210=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5206=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5202=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5198=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5194=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5190=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5186=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5182=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5178=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5174)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_119294, _119296), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342), _119276, fail)), '$restore_trace'(_119294, _119296))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_119294, _119296))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342), _119276, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_118342)
   Fail: (218) [system] atomic(_118342)
   Call: (218) [system] atom_chars(_118342, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _5174='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _133292)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _135150)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _144744)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _147448)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _164382)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _169952)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _171810)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _187820)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), a, _169952)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _205462)
   Call: (218) [system] peek_char((0x560c892e10d0), _206396)
   Exit: (218) [system] peek_char((0x560c892e10d0), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_211116, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_212048, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x560c892e10d0), b)
   Exit: (218) [system] get_char((0x560c892e10d0), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _219398)
   Call: (219) [system] peek_char((0x560c892e10d0), _220332)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_225052, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_225984, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _233334)
   Call: (220) [system] peek_char((0x560c892e10d0), _234268)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _233334=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _219398=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (218) [system] _205462=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (217) [user] classify_and_convert_charseq([a, b, c], _169952)
^  Call: (218) [user] classify_and_convert_charseq_([a, b, c], _249140)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_250092, _250094), once(user:catch(read_from_chars([a, b, c], _249140), _250074, fail)), '$restore_trace'(_250092, _250094))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_250092, _250094))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _250074, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (218) [system] integer(abc)
   Fail: (218) [system] integer(abc)
   Call: (218) [system] _169952=abc
   Exit: (218) [system] abc=abc
^  Exit: (217) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _262220)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _264078)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _273672)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _276376)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _293310)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _298880)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _300738)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _316748)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), a, _298880)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _334390)
   Call: (219) [system] peek_char((0x560c892e10d0), _335324)
   Exit: (219) [system] peek_char((0x560c892e10d0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_340044, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_340976, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x560c892e10d0), b)
   Exit: (219) [system] get_char((0x560c892e10d0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _348326)
   Call: (220) [system] peek_char((0x560c892e10d0), _349260)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_353980, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_354912, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _362262)
   Call: (221) [system] peek_char((0x560c892e10d0), _363196)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_367916, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _362262=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _348326=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (219) [system] _334390=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _298880)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _379940)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_380892, _380894), once(user:catch(read_from_chars([a, b, c], _379940), _380874, fail)), '$restore_trace'(_380892, _380894))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_380892, _380894))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _380874, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _298880=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _393020)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _394878)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _410888)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _414678)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _393020=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _262220=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (215) [system] _133292=[abc, abc]
   Exit: (215) [system] [abc, abc]=[abc, abc]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [abc, abc])
   Call: (214) [system] _5168=['DisjunctionIntroduction', abc, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _428560)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _430418)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _440012)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _442716)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _459650)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _465220)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _467078)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _483088)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _465220)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _488658)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _504668)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _510238)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _512096)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _528106)
   Exit: (216) [system] get_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', _510238)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _545748)
   Call: (218) [system] peek_char((0x560c892e10d0), _546682)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_551402, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_552334, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _559684)
   Call: (219) [system] peek_char((0x560c892e10d0), _560618)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_565338, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_566270, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _573620)
   Call: (220) [system] peek_char((0x560c892e10d0), _574554)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_579274, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_580206, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _587556)
   Call: (221) [system] peek_char((0x560c892e10d0), _588490)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_593210, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_594142, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _601492)
   Call: (222) [system] peek_char((0x560c892e10d0), _602426)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_607146, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_608078, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _615428)
   Call: (223) [system] peek_char((0x560c892e10d0), _616362)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _615428=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _601492=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _587556=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _573620=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _559684=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _545748=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _510238)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _639616)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_640568, _640570), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _639616), _640550, fail)), '$restore_trace'(_640568, _640570))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_640568, _640570))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _639616), _640550, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_639616)
   Fail: (219) [system] atomic(_639616)
   Call: (219) [system] atom_chars(_639616, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _510238='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _654566)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _656424)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _666018)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _668722)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _685656)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _691226)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _693084)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _709094)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _691226)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _714664)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _730674)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _736244)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _738102)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _754112)
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', _736244)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _771754)
   Call: (221) [system] peek_char((0x560c892e10d0), _772688)
   Exit: (221) [system] peek_char((0x560c892e10d0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_777408, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_778340, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x560c892e10d0), m)
   Exit: (221) [system] get_char((0x560c892e10d0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _785690)
   Call: (222) [system] peek_char((0x560c892e10d0), _786624)
   Exit: (222) [system] peek_char((0x560c892e10d0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_791344, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_792276, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x560c892e10d0), p)
   Exit: (222) [system] get_char((0x560c892e10d0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _799626)
   Call: (223) [system] peek_char((0x560c892e10d0), _800560)
   Exit: (223) [system] peek_char((0x560c892e10d0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_805280, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_806212, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x560c892e10d0), l)
   Exit: (223) [system] get_char((0x560c892e10d0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _813562)
   Call: (224) [system] peek_char((0x560c892e10d0), _814496)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_819216, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_820148, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _827498)
   Call: (225) [system] peek_char((0x560c892e10d0), _828432)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_833152, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_834084, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _841434)
   Call: (226) [system] peek_char((0x560c892e10d0), _842368)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_847088, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_848020, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x560c892e10d0), a)
   Exit: (226) [system] get_char((0x560c892e10d0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _855370)
   Call: (227) [system] peek_char((0x560c892e10d0), _856304)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_861024, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_861956, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _869306)
   Call: (228) [system] peek_char((0x560c892e10d0), _870240)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_874960, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_875892, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _883242)
   Call: (229) [system] peek_char((0x560c892e10d0), _884176)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_888896, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_889828, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _897178)
   Call: (230) [system] peek_char((0x560c892e10d0), _898112)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_902832, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_903764, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _911114)
   Call: (231) [system] peek_char((0x560c892e10d0), _912048)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _911114=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _897178=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _883242=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _869306=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _855370=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _841434=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (225) [system] _827498=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (224) [system] _813562=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (223) [system] _799626=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _785690=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _771754=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _736244)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _949272)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_950224, _950226), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _949272), _950206, fail)), '$restore_trace'(_950224, _950226))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_950224, _950226))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _949272), _950206, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_949272)
   Fail: (222) [system] atomic(_949272)
   Call: (222) [system] atom_chars(_949272, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _736244='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _964222)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _966080)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _975674)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _978378)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _995312)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1000882)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1002740)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1018750)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1000882)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1024320)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1040330)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1045900)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1047758)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1063768)
   Exit: (222) [system] get_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1045900)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1081410)
   Call: (224) [system] peek_char((0x560c892e10d0), _1082344)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1087064, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1087996, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1095346)
   Call: (225) [system] peek_char((0x560c892e10d0), _1096280)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1101000, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1101932, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1109282)
   Call: (226) [system] peek_char((0x560c892e10d0), _1110216)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1114936, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1115868, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x560c892e10d0), 'L')
   Exit: (226) [system] get_char((0x560c892e10d0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1123218)
   Call: (227) [system] peek_char((0x560c892e10d0), _1124152)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1128872, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1129804, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1137154)
   Call: (228) [system] peek_char((0x560c892e10d0), _1138088)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1142808, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1143740, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1151090)
   Call: (229) [system] peek_char((0x560c892e10d0), _1152024)
   Exit: (229) [system] peek_char((0x560c892e10d0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1156744, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1157676, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x560c892e10d0), k)
   Exit: (229) [system] get_char((0x560c892e10d0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1165026)
   Call: (230) [system] peek_char((0x560c892e10d0), _1165960)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1165026=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1151090=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (228) [system] _1137154=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (227) [system] _1123218=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (226) [system] _1109282=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (225) [system] _1095346=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (224) [system] _1081410=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1045900)
^  Call: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1192008)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1192960, _1192962), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192008), _1192942, fail)), '$restore_trace'(_1192960, _1192962))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1192960, _1192962))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192008), _1192942, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1192008)
   Fail: (225) [system] atomic(_1192008)
   Call: (225) [system] atom_chars(_1192008, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (224) [system] integer('AndLink')
   Fail: (224) [system] integer('AndLink')
   Call: (224) [system] _1045900='AndLink'
   Exit: (224) [system] 'AndLink'='AndLink'
^  Exit: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1206958)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1208816)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1218410)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1221114)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1238048)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1243618)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1245476)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1261486)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1243618)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1279128)
   Call: (225) [system] peek_char((0x560c892e10d0), _1280062)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1279128=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _1243618)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _1289346)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1290298, _1290300), once(user:catch(read_from_chars(['A'], _1289346), _1290280, fail)), '$restore_trace'(_1290298, _1290300))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1290298, _1290300))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1289346), _1290280, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1289346)
   Fail: (226) [system] atomic(_1289346)
   Call: (226) [system] atom_chars(_1289346, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _1243618='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1304296)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1306154)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1315748)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1318452)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1335386)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1340956)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1342814)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1358824)
   Exit: (224) [system] get_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1340956)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1376466)
   Call: (226) [system] peek_char((0x560c892e10d0), _1377400)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1382120, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1376466=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['B'], _1340956)
^  Call: (226) [user] classify_and_convert_charseq_(['B'], _1388556)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1389508, _1389510), once(user:catch(read_from_chars(['B'], _1388556), _1389490, fail)), '$restore_trace'(_1389508, _1389510))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1389508, _1389510))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1388556), _1389490, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1388556)
   Fail: (227) [system] atomic(_1388556)
   Call: (227) [system] atom_chars(_1388556, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (226) [system] integer('B')
   Fail: (226) [system] integer('B')
   Call: (226) [system] _1340956='B'
   Exit: (226) [system] 'B'='B'
^  Exit: (225) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1403506)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1405364)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1421374)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1425164)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1403506=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _1304296=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (222) [system] _1206958=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (221) [system] _1000882=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1439046)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1440904)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1450498)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1453202)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1470136)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1475706)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1477564)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1493574)
   Exit: (221) [system] get_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1475706)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511216)
   Call: (223) [system] peek_char((0x560c892e10d0), _1512150)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1516870, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1511216=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _1475706)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _1523306)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1524258, _1524260), once(user:catch(read_from_chars(['C'], _1523306), _1524240, fail)), '$restore_trace'(_1524258, _1524260))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1524258, _1524260))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1523306), _1524240, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1523306)
   Fail: (224) [system] atomic(_1523306)
   Call: (224) [system] atom_chars(_1523306, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _1475706='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1538256)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1540114)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1556124)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _1559914)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _1538256=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _1439046=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (219) [system] _964222=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _691226=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1573796)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1575654)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1585248)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1587952)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1604886)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1610456)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1612314)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1628324)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1610456)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1633894)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1649904)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1655474)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1657332)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1673342)
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1655474)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1690984)
   Call: (222) [system] peek_char((0x560c892e10d0), _1691918)
   Exit: (222) [system] peek_char((0x560c892e10d0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1696638, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1697570, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x560c892e10d0), m)
   Exit: (222) [system] get_char((0x560c892e10d0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1704920)
   Call: (223) [system] peek_char((0x560c892e10d0), _1705854)
   Exit: (223) [system] peek_char((0x560c892e10d0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1710574, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1711506, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x560c892e10d0), p)
   Exit: (223) [system] get_char((0x560c892e10d0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1718856)
   Call: (224) [system] peek_char((0x560c892e10d0), _1719790)
   Exit: (224) [system] peek_char((0x560c892e10d0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1724510, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1725442, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x560c892e10d0), l)
   Exit: (224) [system] get_char((0x560c892e10d0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1732792)
   Call: (225) [system] peek_char((0x560c892e10d0), _1733726)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1738446, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1739378, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1746728)
   Call: (226) [system] peek_char((0x560c892e10d0), _1747662)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1752382, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1753314, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1760664)
   Call: (227) [system] peek_char((0x560c892e10d0), _1761598)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1766318, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1767250, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x560c892e10d0), a)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1774600)
   Call: (228) [system] peek_char((0x560c892e10d0), _1775534)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1780254, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1781186, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1788536)
   Call: (229) [system] peek_char((0x560c892e10d0), _1789470)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1794190, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1795122, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1802472)
   Call: (230) [system] peek_char((0x560c892e10d0), _1803406)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1808126, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1809058, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1816408)
   Call: (231) [system] peek_char((0x560c892e10d0), _1817342)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1822062, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1822994, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1830344)
   Call: (232) [system] peek_char((0x560c892e10d0), _1831278)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1830344=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1816408=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _1802472=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _1788536=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _1774600=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _1760664=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (226) [system] _1746728=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (225) [system] _1732792=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1718856=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1704920=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1690984=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1655474)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1868502)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1869454, _1869456), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1868502), _1869436, fail)), '$restore_trace'(_1869454, _1869456))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1869454, _1869456))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1868502), _1869436, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1868502)
   Fail: (223) [system] atomic(_1868502)
   Call: (223) [system] atom_chars(_1868502, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _1655474='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1883452)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1885310)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1894904)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1897608)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1914542)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1920112)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1921970)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1937980)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1920112)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1943550)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1959560)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1965130)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1966988)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1982998)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1965130)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000640)
   Call: (225) [system] peek_char((0x560c892e10d0), _2001574)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2006294, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2007226, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2014576)
   Call: (226) [system] peek_char((0x560c892e10d0), _2015510)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_2020230, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_2021162, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2028512)
   Call: (227) [system] peek_char((0x560c892e10d0), _2029446)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_2034166, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_2035098, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2042448)
   Call: (228) [system] peek_char((0x560c892e10d0), _2043382)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2048102, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2049034, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2056384)
   Call: (229) [system] peek_char((0x560c892e10d0), _2057318)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_2062038, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_2062970, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2070320)
   Call: (230) [system] peek_char((0x560c892e10d0), _2071254)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_2075974, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_2076906, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2084256)
   Call: (231) [system] peek_char((0x560c892e10d0), _2085190)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _2084256=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _2070320=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _5284=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _5280=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _5276=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _5272=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (225) [system] _5268=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5264)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _19796)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_20748, _20750), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _19796), _20730, fail)), '$restore_trace'(_20748, _20750))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_20748, _20750))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _19796), _20730, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_19796)
   Fail: (226) [system] atomic(_19796)
   Call: (226) [system] atom_chars(_19796, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _5264='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _34746)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _36604)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _46198)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _48902)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _65836)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _71406)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _73264)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _89274)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _71406)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _106916)
   Call: (226) [system] peek_char((0x560c892e10d0), _107850)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _106916=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _71406)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _117134)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_118086, _118088), once(user:catch(read_from_chars(['A'], _117134), _118068, fail)), '$restore_trace'(_118086, _118088))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_118086, _118088))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _117134), _118068, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_117134)
   Fail: (227) [system] atomic(_117134)
   Call: (227) [system] atom_chars(_117134, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _71406='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _132084)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _133942)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _143536)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _146240)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _163174)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _168744)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _170602)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _186612)
   Exit: (225) [system] get_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', _168744)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _204254)
   Call: (227) [system] peek_char((0x560c892e10d0), _205188)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_209908, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _204254=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _168744)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _216344)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_217296, _217298), once(user:catch(read_from_chars(['B'], _216344), _217278, fail)), '$restore_trace'(_217296, _217298))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_217296, _217298))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _216344), _217278, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_216344)
   Fail: (228) [system] atomic(_216344)
   Call: (228) [system] atom_chars(_216344, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _168744='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _231294)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _233152)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _249162)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _252952)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _231294=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _132084=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (223) [system] _34746=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (222) [system] _5258=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _266834)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _268692)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _278286)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _280990)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _297924)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _303494)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _305352)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _321362)
   Exit: (222) [system] get_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', _303494)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _339004)
   Call: (224) [system] peek_char((0x560c892e10d0), _339938)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_344658, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _339004=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _303494)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _351094)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_352046, _352048), once(user:catch(read_from_chars(['C'], _351094), _352028, fail)), '$restore_trace'(_352046, _352048))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_352046, _352048))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _351094), _352028, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_351094)
   Fail: (225) [system] atomic(_351094)
   Call: (225) [system] atom_chars(_351094, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _303494='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _366044)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _367902)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _383912)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _387702)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _366044=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _266834=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (220) [system] _5254=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5246=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _401584)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _403442)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _419452)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _423242)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _401584=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _5242=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5200=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5192=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _437124)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _438982)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _454992)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _458782)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _437124=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _5188=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5164=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5156=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _472664)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _474522)
   Exit: (211) [system] peek_char((0x560c892e10d0), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
   Call: (211) [system] '\n'=(/)
   Fail: (211) [system] '\n'=(/)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x560c892e10d0), _485972)
   Exit: (211) [system] get_char((0x560c892e10d0), '\n')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _488676)
   Exit: (212) [system] peek_char((0x560c892e10d0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x560c892e10d0), _498270)
   Exit: (212) [system] get_char((0x560c892e10d0), '\t')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _500974)
   Exit: (213) [system] peek_char((0x560c892e10d0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x560c892e10d0), _510568)
   Exit: (213) [system] get_char((0x560c892e10d0), '\t')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _513272)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _522866)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _525570)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _545276)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _550846)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _552704)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _568714)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _550846)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _574284)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _590294)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _595864)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _597722)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _613732)
   Exit: (213) [system] get_char((0x560c892e10d0), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), :, _595864)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _631374)
   Call: (215) [system] peek_char((0x560c892e10d0), _632308)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _631374=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq([:], _595864)
^  Call: (215) [user] classify_and_convert_charseq_([:], _641592)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_642544, _642546), once(user:catch(read_from_chars([:], _641592), _642526, fail)), '$restore_trace'(_642544, _642546))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_642544, _642546))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _642526, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq_([:], :)
   Call: (215) [system] integer(:)
   Fail: (215) [system] integer(:)
   Call: (215) [system] _595864=(:)
   Exit: (215) [system] (:)=(:)
^  Exit: (214) [user] classify_and_convert_charseq([:], :)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _654672)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _656530)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _666124)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _668828)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _685762)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _691332)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _693190)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _709200)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _691332)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _714770)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _730780)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _736350)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _738208)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _754218)
   Exit: (216) [system] get_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', _736350)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _771860)
   Call: (218) [system] peek_char((0x560c892e10d0), _772794)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_777514, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_778446, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _785796)
   Call: (219) [system] peek_char((0x560c892e10d0), _786730)
   Exit: (219) [system] peek_char((0x560c892e10d0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_791450, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_792382, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x560c892e10d0), s)
   Exit: (219) [system] get_char((0x560c892e10d0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _799732)
   Call: (220) [system] peek_char((0x560c892e10d0), _800666)
   Exit: (220) [system] peek_char((0x560c892e10d0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_805386, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_806318, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x560c892e10d0), j)
   Exit: (220) [system] get_char((0x560c892e10d0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _813668)
   Call: (221) [system] peek_char((0x560c892e10d0), _814602)
   Exit: (221) [system] peek_char((0x560c892e10d0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_819322, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_820254, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x560c892e10d0), u)
   Exit: (221) [system] get_char((0x560c892e10d0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _827604)
   Call: (222) [system] peek_char((0x560c892e10d0), _828538)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_833258, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_834190, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _841540)
   Call: (223) [system] peek_char((0x560c892e10d0), _842474)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_847194, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_848126, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _855476)
   Call: (224) [system] peek_char((0x560c892e10d0), _856410)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_861130, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_862062, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _869412)
   Call: (225) [system] peek_char((0x560c892e10d0), _870346)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_875066, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_875998, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _883348)
   Call: (226) [system] peek_char((0x560c892e10d0), _884282)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_889002, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_889934, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _897284)
   Call: (227) [system] peek_char((0x560c892e10d0), _898218)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_902938, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_903870, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _911220)
   Call: (228) [system] peek_char((0x560c892e10d0), _912154)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_916874, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_917806, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x560c892e10d0), 'I')
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _925156)
   Call: (229) [system] peek_char((0x560c892e10d0), _926090)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_930810, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_931742, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _939092)
   Call: (230) [system] peek_char((0x560c892e10d0), _940026)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_944746, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_945678, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _953028)
   Call: (231) [system] peek_char((0x560c892e10d0), _953962)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_958682, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_959614, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _966964)
   Call: (232) [system] peek_char((0x560c892e10d0), _967898)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_972618, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_973550, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _980900)
   Call: (233) [system] peek_char((0x560c892e10d0), _981834)
   Exit: (233) [system] peek_char((0x560c892e10d0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_986554, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_987486, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x560c892e10d0), d)
   Exit: (233) [system] get_char((0x560c892e10d0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _994836)
   Call: (234) [system] peek_char((0x560c892e10d0), _995770)
   Exit: (234) [system] peek_char((0x560c892e10d0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1000490, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1001422, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x560c892e10d0), u)
   Exit: (234) [system] get_char((0x560c892e10d0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1008772)
   Call: (235) [system] peek_char((0x560c892e10d0), _1009706)
   Exit: (235) [system] peek_char((0x560c892e10d0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1014426, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1015358, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x560c892e10d0), c)
   Exit: (235) [system] get_char((0x560c892e10d0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1022708)
   Call: (236) [system] peek_char((0x560c892e10d0), _1023642)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1028362, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1029294, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1036644)
   Call: (237) [system] peek_char((0x560c892e10d0), _1037578)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1042298, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1043230, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1050580)
   Call: (238) [system] peek_char((0x560c892e10d0), _1051514)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1056234, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1057166, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1064516)
   Call: (239) [system] peek_char((0x560c892e10d0), _1065450)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1070170, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1071102, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1078452)
   Call: (240) [system] peek_char((0x560c892e10d0), _1079386)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1078452=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _1064516=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _1050580=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _1036644=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _1022708=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _1008772=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (234) [system] _994836=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (233) [system] _980900=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (232) [system] _966964=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _953028=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _939092=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _925156=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _911220=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _897284=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _883348=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _869412=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _855476=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _841540=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _827604=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _813668=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _799732=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _785796=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _771860=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _736350)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1151090, _1151092), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138), _1151072, fail)), '$restore_trace'(_1151090, _1151092))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1151090, _1151092))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138), _1151072, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1150138)
   Fail: (219) [system] atomic(_1150138)
   Call: (219) [system] atom_chars(_1150138, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _736350='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1165088)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1166946)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1176540)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1179244)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1196178)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1201748)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1203606)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1219616)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), a, _1201748)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1237258)
   Call: (219) [system] peek_char((0x560c892e10d0), _1238192)
   Exit: (219) [system] peek_char((0x560c892e10d0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1242912, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_1243844, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x560c892e10d0), b)
   Exit: (219) [system] get_char((0x560c892e10d0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1251194)
   Call: (220) [system] peek_char((0x560c892e10d0), _1252128)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1256848, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1257780, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1265130)
   Call: (221) [system] peek_char((0x560c892e10d0), _1266064)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1265130=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _1251194=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (219) [system] _1237258=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _1201748)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _1280936)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1281888, _1281890), once(user:catch(read_from_chars([a, b, c], _1280936), _1281870, fail)), '$restore_trace'(_1281888, _1281890))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1281888, _1281890))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1281870, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _1201748=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1294016)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1295874)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1305468)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1308172)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1325106)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1330676)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1332534)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1348544)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), c, _1330676)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366186)
   Call: (220) [system] peek_char((0x560c892e10d0), _1367120)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1371840, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1372772, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380122)
   Call: (221) [system] peek_char((0x560c892e10d0), _1381056)
   Exit: (221) [system] peek_char((0x560c892e10d0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1385776, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1386708, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x560c892e10d0), e)
   Exit: (221) [system] get_char((0x560c892e10d0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394058)
   Call: (222) [system] peek_char((0x560c892e10d0), _1394992)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1399712, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1394058=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1380122=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (220) [system] _1366186=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq([c, d, e], _1330676)
^  Call: (220) [user] classify_and_convert_charseq_([c, d, e], _1411736)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1412688, _1412690), once(user:catch(read_from_chars([c, d, e], _1411736), _1412670, fail)), '$restore_trace'(_1412688, _1412690))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1412688, _1412690))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1412670, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (220) [system] integer(cde)
   Fail: (220) [system] integer(cde)
   Call: (220) [system] _1330676=cde
   Exit: (220) [system] cde=cde
^  Exit: (219) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1424816)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1426674)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1442684)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1446474)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1424816=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _1294016=[cde]
   Exit: (217) [system] [cde]=[cde]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (216) [system] _1165088=[abc, cde]
   Exit: (216) [system] [abc, cde]=[abc, cde]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [abc, cde])
   Call: (215) [system] _691332=['DisjunctionIntroduction', abc, cde]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1460356)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1462214)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1471808)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1474512)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1491446)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1497016)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1498874)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1514884)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1497016)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1520454)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1536464)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1542034)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1543892)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1559902)
   Exit: (217) [system] get_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1542034)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1577544)
   Call: (219) [system] peek_char((0x560c892e10d0), _1578478)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1583198, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1584130, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1591480)
   Call: (220) [system] peek_char((0x560c892e10d0), _1592414)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1597134, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1598066, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1605416)
   Call: (221) [system] peek_char((0x560c892e10d0), _1606350)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1611070, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1612002, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1619352)
   Call: (222) [system] peek_char((0x560c892e10d0), _1620286)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1625006, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1625938, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1633288)
   Call: (223) [system] peek_char((0x560c892e10d0), _1634222)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1638942, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1639874, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1647224)
   Call: (224) [system] peek_char((0x560c892e10d0), _1648158)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1647224=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1633288=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _1619352=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _1605416=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _1591480=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _1577544=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1542034)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1671412)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1672364, _1672366), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1671412), _1672346, fail)), '$restore_trace'(_1672364, _1672366))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1672364, _1672366))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1671412), _1672346, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1671412)
   Fail: (220) [system] atomic(_1671412)
   Call: (220) [system] atom_chars(_1671412, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _1542034='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1686362)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1688220)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1697814)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1700518)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1717452)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1723022)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1724880)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1740890)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1723022)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1746460)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1762470)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1768040)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1769898)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1785908)
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1768040)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1803550)
   Call: (222) [system] peek_char((0x560c892e10d0), _1804484)
   Exit: (222) [system] peek_char((0x560c892e10d0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1809204, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1810136, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x560c892e10d0), m)
   Exit: (222) [system] get_char((0x560c892e10d0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1817486)
   Call: (223) [system] peek_char((0x560c892e10d0), _1818420)
   Exit: (223) [system] peek_char((0x560c892e10d0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1823140, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1824072, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x560c892e10d0), p)
   Exit: (223) [system] get_char((0x560c892e10d0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1831422)
   Call: (224) [system] peek_char((0x560c892e10d0), _1832356)
   Exit: (224) [system] peek_char((0x560c892e10d0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1837076, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1838008, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x560c892e10d0), l)
   Exit: (224) [system] get_char((0x560c892e10d0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1845358)
   Call: (225) [system] peek_char((0x560c892e10d0), _1846292)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1851012, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1851944, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1859294)
   Call: (226) [system] peek_char((0x560c892e10d0), _1860228)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1864948, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1865880, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873230)
   Call: (227) [system] peek_char((0x560c892e10d0), _1874164)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1878884, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1879816, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x560c892e10d0), a)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1887166)
   Call: (228) [system] peek_char((0x560c892e10d0), _1888100)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1892820, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1893752, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1901102)
   Call: (229) [system] peek_char((0x560c892e10d0), _1902036)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1906756, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1907688, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1915038)
   Call: (230) [system] peek_char((0x560c892e10d0), _1915972)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1920692, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1921624, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1928974)
   Call: (231) [system] peek_char((0x560c892e10d0), _1929908)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1934628, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1935560, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1942910)
   Call: (232) [system] peek_char((0x560c892e10d0), _1943844)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1942910=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1928974=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _1915038=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _1901102=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _1887166=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _1873230=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (226) [system] _1859294=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (225) [system] _1845358=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1831422=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1817486=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1803550=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1768040)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1981068)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1982020, _1982022), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1981068), _1982002, fail)), '$restore_trace'(_1982020, _1982022))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1982020, _1982022))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1981068), _1982002, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1981068)
   Fail: (223) [system] atomic(_1981068)
   Call: (223) [system] atom_chars(_1981068, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _1768040='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1996018)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1997876)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _2007470)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2010174)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2027108)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _2032678)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2034536)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _2050546)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _2032678)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _2056116)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2072126)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _2077696)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _2079554)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _2095564)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _5354)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _21768)
   Call: (225) [system] peek_char((0x560c892e10d0), _22702)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_27422, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_28354, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _35704)
   Call: (226) [system] peek_char((0x560c892e10d0), _36638)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_41358, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_42290, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _49640)
   Call: (227) [system] peek_char((0x560c892e10d0), _50574)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_55294, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_56226, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _63576)
   Call: (228) [system] peek_char((0x560c892e10d0), _64510)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_69230, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_70162, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _77512)
   Call: (229) [system] peek_char((0x560c892e10d0), _78446)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_83166, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_84098, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _91448)
   Call: (230) [system] peek_char((0x560c892e10d0), _92382)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_97102, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_98034, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _105384)
   Call: (231) [system] peek_char((0x560c892e10d0), _106318)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _105384=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _91448=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _77512=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _63576=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _49640=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _35704=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (225) [system] _21768=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5354)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _132366)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_133318, _133320), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132366), _133300, fail)), '$restore_trace'(_133318, _133320))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_133318, _133320))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132366), _133300, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_132366)
   Fail: (226) [system] atomic(_132366)
   Call: (226) [system] atom_chars(_132366, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _5354='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _147316)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _149174)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _158768)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _161472)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _178406)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _183976)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _185834)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _201844)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _183976)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _219486)
   Call: (226) [system] peek_char((0x560c892e10d0), _220420)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _219486=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _183976)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _229704)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_230656, _230658), once(user:catch(read_from_chars(['A'], _229704), _230638, fail)), '$restore_trace'(_230656, _230658))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_230656, _230658))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _229704), _230638, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_229704)
   Fail: (227) [system] atomic(_229704)
   Call: (227) [system] atom_chars(_229704, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _183976='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _244654)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _246512)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _256106)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _258810)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _275744)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _281314)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _283172)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _299182)
   Exit: (225) [system] get_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', _281314)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _316824)
   Call: (227) [system] peek_char((0x560c892e10d0), _317758)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_322478, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _316824=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _281314)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _328914)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_329866, _329868), once(user:catch(read_from_chars(['B'], _328914), _329848, fail)), '$restore_trace'(_329866, _329868))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_329866, _329868))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _328914), _329848, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_328914)
   Fail: (228) [system] atomic(_328914)
   Call: (228) [system] atom_chars(_328914, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _281314='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _343864)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _345722)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _361732)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _365522)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _343864=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _244654=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (223) [system] _147316=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (222) [system] _5348=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _379404)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _381262)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _390856)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _393560)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _410494)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _416064)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _417922)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _433932)
   Exit: (222) [system] get_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', _416064)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _451574)
   Call: (224) [system] peek_char((0x560c892e10d0), _452508)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_457228, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _451574=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _416064)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _463664)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_464616, _464618), once(user:catch(read_from_chars(['C'], _463664), _464598, fail)), '$restore_trace'(_464616, _464618))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_464616, _464618))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _463664), _464598, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_463664)
   Fail: (225) [system] atomic(_463664)
   Call: (225) [system] atom_chars(_463664, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _416064='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _478614)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _480472)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _496482)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _500272)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _478614=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _379404=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (220) [system] _5344=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5336=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _514154)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _516012)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _525606)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _528310)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _545244)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _550814)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _552672)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _568682)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _550814)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _574252)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _590262)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _595832)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _597690)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _613700)
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', _595832)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _631342)
   Call: (223) [system] peek_char((0x560c892e10d0), _632276)
   Exit: (223) [system] peek_char((0x560c892e10d0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_636996, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_637928, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x560c892e10d0), m)
   Exit: (223) [system] get_char((0x560c892e10d0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _645278)
   Call: (224) [system] peek_char((0x560c892e10d0), _646212)
   Exit: (224) [system] peek_char((0x560c892e10d0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_650932, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_651864, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x560c892e10d0), p)
   Exit: (224) [system] get_char((0x560c892e10d0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _659214)
   Call: (225) [system] peek_char((0x560c892e10d0), _660148)
   Exit: (225) [system] peek_char((0x560c892e10d0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_664868, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_665800, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x560c892e10d0), l)
   Exit: (225) [system] get_char((0x560c892e10d0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _673150)
   Call: (226) [system] peek_char((0x560c892e10d0), _674084)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_678804, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_679736, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _687086)
   Call: (227) [system] peek_char((0x560c892e10d0), _688020)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_692740, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_693672, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _701022)
   Call: (228) [system] peek_char((0x560c892e10d0), _701956)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_706676, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_707608, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x560c892e10d0), a)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _714958)
   Call: (229) [system] peek_char((0x560c892e10d0), _715892)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_720612, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_721544, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _728894)
   Call: (230) [system] peek_char((0x560c892e10d0), _729828)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_734548, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_735480, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _742830)
   Call: (231) [system] peek_char((0x560c892e10d0), _743764)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_748484, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_749416, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _756766)
   Call: (232) [system] peek_char((0x560c892e10d0), _757700)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_762420, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_763352, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _770702)
   Call: (233) [system] peek_char((0x560c892e10d0), _771636)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _770702=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _756766=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _742830=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _728894=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _714958=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _701022=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (227) [system] _687086=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (226) [system] _673150=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (225) [system] _659214=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _645278=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _631342=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _595832)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _808860)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_809812, _809814), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _808860), _809794, fail)), '$restore_trace'(_809812, _809814))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_809812, _809814))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _808860), _809794, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_808860)
   Fail: (224) [system] atomic(_808860)
   Call: (224) [system] atom_chars(_808860, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _595832='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _823810)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _825668)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _835262)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _837966)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _854900)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _860470)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _862328)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _878338)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _860470)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _883908)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _899918)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _905488)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _907346)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _923356)
   Exit: (224) [system] get_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', _905488)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _940998)
   Call: (226) [system] peek_char((0x560c892e10d0), _941932)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_946652, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_947584, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _954934)
   Call: (227) [system] peek_char((0x560c892e10d0), _955868)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_960588, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_961520, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _968870)
   Call: (228) [system] peek_char((0x560c892e10d0), _969804)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_974524, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_975456, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _982806)
   Call: (229) [system] peek_char((0x560c892e10d0), _983740)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_988460, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_989392, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _996742)
   Call: (230) [system] peek_char((0x560c892e10d0), _997676)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1002396, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1003328, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1010678)
   Call: (231) [system] peek_char((0x560c892e10d0), _1011612)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1010678=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _996742=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _982806=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _968870=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _954934=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _940998=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _905488)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1034866)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1035818, _1035820), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1034866), _1035800, fail)), '$restore_trace'(_1035818, _1035820))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1035818, _1035820))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1034866), _1035800, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1034866)
   Fail: (227) [system] atomic(_1034866)
   Call: (227) [system] atom_chars(_1034866, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _905488='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1049816)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1051674)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1061268)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1063972)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1080906)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1086476)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1088334)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1104344)
   Exit: (225) [system] get_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1086476)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121986)
   Call: (227) [system] peek_char((0x560c892e10d0), _1122920)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1121986=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _1086476)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _1132204)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1133156, _1133158), once(user:catch(read_from_chars(['C'], _1132204), _1133138, fail)), '$restore_trace'(_1133156, _1133158))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1133156, _1133158))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1132204), _1133138, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1132204)
   Fail: (228) [system] atomic(_1132204)
   Call: (228) [system] atom_chars(_1132204, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _1086476='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1147154)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1149012)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1158606)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1161310)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1178244)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1183814)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1185672)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1201682)
   Exit: (226) [system] get_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1183814)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1219324)
   Call: (228) [system] peek_char((0x560c892e10d0), _1220258)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1224978, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1219324=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['D'], _1183814)
^  Call: (228) [user] classify_and_convert_charseq_(['D'], _1231414)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1232366, _1232368), once(user:catch(read_from_chars(['D'], _1231414), _1232348, fail)), '$restore_trace'(_1232366, _1232368))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1232366, _1232368))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1231414), _1232348, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1231414)
   Fail: (229) [system] atomic(_1231414)
   Call: (229) [system] atom_chars(_1231414, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (228) [system] integer('D')
   Fail: (228) [system] integer('D')
   Call: (228) [system] _1183814='D'
   Exit: (228) [system] 'D'='D'
^  Exit: (227) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1246364)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1248222)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1264232)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1268022)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1246364=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _1147154=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (224) [system] _1049816=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (223) [system] _860470=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1281904)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1283762)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1293356)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1296060)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1312994)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1318564)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1320422)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1336432)
   Exit: (223) [system] get_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1318564)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1354074)
   Call: (225) [system] peek_char((0x560c892e10d0), _1355008)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1359728, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1354074=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['E'], _1318564)
^  Call: (225) [user] classify_and_convert_charseq_(['E'], _1366164)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1367116, _1367118), once(user:catch(read_from_chars(['E'], _1366164), _1367098, fail)), '$restore_trace'(_1367116, _1367118))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1367116, _1367118))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1366164), _1367098, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1366164)
   Fail: (226) [system] atomic(_1366164)
   Call: (226) [system] atom_chars(_1366164, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (225) [system] integer('E')
   Fail: (225) [system] integer('E')
   Call: (225) [system] _1318564='E'
   Exit: (225) [system] 'E'='E'
^  Exit: (224) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1381114)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1382972)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1398982)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1402772)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1381114=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1281904=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (221) [system] _823810=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _550814=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1416654)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1418512)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1434522)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _1438312)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _1416654=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _514154=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5332=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (216) [system] _5324=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1452194)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1454052)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1470062)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1473852)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1452194=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _5320=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5296=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (212) [system] _5288=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1487734)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1489592)
   Exit: (212) [system] peek_char((0x560c892e10d0), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
   Call: (212) [system] '\n'=(/)
   Fail: (212) [system] '\n'=(/)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x560c892e10d0), _1501042)
   Exit: (212) [system] get_char((0x560c892e10d0), '\n')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1503746)
   Exit: (213) [system] peek_char((0x560c892e10d0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x560c892e10d0), _1513340)
   Exit: (213) [system] get_char((0x560c892e10d0), '\t')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1516044)
   Exit: (214) [system] peek_char((0x560c892e10d0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x560c892e10d0), _1525638)
   Exit: (214) [system] get_char((0x560c892e10d0), '\t')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1528342)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1537936)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1540640)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1560346)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1565916)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1567774)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1583784)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1565916)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1589354)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1605364)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1610934)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1612792)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1628802)
   Exit: (214) [system] get_char((0x560c892e10d0), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), :, _1610934)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1646444)
   Call: (216) [system] peek_char((0x560c892e10d0), _1647378)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1646444=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq([:], _1610934)
^  Call: (216) [user] classify_and_convert_charseq_([:], _1656662)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1657614, _1657616), once(user:catch(read_from_chars([:], _1656662), _1657596, fail)), '$restore_trace'(_1657614, _1657616))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1657614, _1657616))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1657596, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq_([:], :)
   Call: (216) [system] integer(:)
   Fail: (216) [system] integer(:)
   Call: (216) [system] _1610934=(:)
   Exit: (216) [system] (:)=(:)
^  Exit: (215) [user] classify_and_convert_charseq([:], :)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1669742)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1671600)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1681194)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1683898)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1700832)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1706402)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1708260)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1724270)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1706402)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1729840)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1745850)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1751420)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1753278)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1769288)
   Exit: (217) [system] get_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1751420)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1786930)
   Call: (219) [system] peek_char((0x560c892e10d0), _1787864)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1792584, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1793516, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1800866)
   Call: (220) [system] peek_char((0x560c892e10d0), _1801800)
   Exit: (220) [system] peek_char((0x560c892e10d0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1806520, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_1807452, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x560c892e10d0), s)
   Exit: (220) [system] get_char((0x560c892e10d0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1814802)
   Call: (221) [system] peek_char((0x560c892e10d0), _1815736)
   Exit: (221) [system] peek_char((0x560c892e10d0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1820456, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_1821388, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x560c892e10d0), j)
   Exit: (221) [system] get_char((0x560c892e10d0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1828738)
   Call: (222) [system] peek_char((0x560c892e10d0), _1829672)
   Exit: (222) [system] peek_char((0x560c892e10d0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1834392, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1835324, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x560c892e10d0), u)
   Exit: (222) [system] get_char((0x560c892e10d0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1842674)
   Call: (223) [system] peek_char((0x560c892e10d0), _1843608)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1848328, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1849260, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1856610)
   Call: (224) [system] peek_char((0x560c892e10d0), _1857544)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1862264, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1863196, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1870546)
   Call: (225) [system] peek_char((0x560c892e10d0), _1871480)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1876200, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1877132, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1884482)
   Call: (226) [system] peek_char((0x560c892e10d0), _1885416)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1890136, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1891068, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1898418)
   Call: (227) [system] peek_char((0x560c892e10d0), _1899352)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1904072, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1905004, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1912354)
   Call: (228) [system] peek_char((0x560c892e10d0), _1913288)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1918008, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1918940, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1926290)
   Call: (229) [system] peek_char((0x560c892e10d0), _1927224)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1931944, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_1932876, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x560c892e10d0), 'I')
   Exit: (229) [system] get_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1940226)
   Call: (230) [system] peek_char((0x560c892e10d0), _1941160)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1945880, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1946812, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1954162)
   Call: (231) [system] peek_char((0x560c892e10d0), _1955096)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1959816, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1960748, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1968098)
   Call: (232) [system] peek_char((0x560c892e10d0), _1969032)
   Exit: (232) [system] peek_char((0x560c892e10d0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1973752, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1974684, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x560c892e10d0), r)
   Exit: (232) [system] get_char((0x560c892e10d0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1982034)
   Call: (233) [system] peek_char((0x560c892e10d0), _1982968)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1987688, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1988620, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1995970)
   Call: (234) [system] peek_char((0x560c892e10d0), _1996904)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_2001624, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_2002556, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _2009906)
   Call: (235) [system] peek_char((0x560c892e10d0), _2010840)
   Exit: (235) [system] peek_char((0x560c892e10d0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_2015560, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_2016492, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x560c892e10d0), u)
   Exit: (235) [system] get_char((0x560c892e10d0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _2023842)
   Call: (236) [system] peek_char((0x560c892e10d0), _2024776)
   Exit: (236) [system] peek_char((0x560c892e10d0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_2029496, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_2030428, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x560c892e10d0), c)
   Exit: (236) [system] get_char((0x560c892e10d0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _2037778)
   Call: (237) [system] peek_char((0x560c892e10d0), _2038712)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_2043432, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_2044364, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _2051714)
   Call: (238) [system] peek_char((0x560c892e10d0), _2052648)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_2057368, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_2058300, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _2065650)
   Call: (239) [system] peek_char((0x560c892e10d0), _2066584)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_2071304, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_2072236, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _2079586)
   Call: (240) [system] peek_char((0x560c892e10d0), _2080520)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_2085240, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_2086172, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _2093522)
   Call: (241) [system] peek_char((0x560c892e10d0), _2094456)
   Exit: (241) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _5530=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (240) [system] _5526=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (239) [system] _5522=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (238) [system] _5518=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (237) [system] _5514=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (236) [system] _5510=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (235) [system] _5506=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (234) [system] _5502=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (233) [system] _5498=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _5494=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5490=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5486=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5482=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5478=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5474=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5470=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5466=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5462=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5458=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5454=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5450=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5446=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5442=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5438)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_74884, _74886), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932), _74866, fail)), '$restore_trace'(_74884, _74886))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_74884, _74886))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932), _74866, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_73932)
   Fail: (220) [system] atomic(_73932)
   Call: (220) [system] atom_chars(_73932, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _5438='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _88882)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _90740)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _100334)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _103038)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _119972)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _125542)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _127400)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _143410)
   Exit: (218) [system] get_char((0x560c892e10d0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), a, _125542)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _161052)
   Call: (220) [system] peek_char((0x560c892e10d0), _161986)
   Exit: (220) [system] peek_char((0x560c892e10d0), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_166706, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_167638, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x560c892e10d0), b)
   Exit: (220) [system] get_char((0x560c892e10d0), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _174988)
   Call: (221) [system] peek_char((0x560c892e10d0), _175922)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_180642, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_181574, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _188924)
   Call: (222) [system] peek_char((0x560c892e10d0), _189858)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _188924=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _174988=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (220) [system] _161052=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _125542)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _204730)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_205682, _205684), once(user:catch(read_from_chars([a, b, c], _204730), _205664, fail)), '$restore_trace'(_205682, _205684))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_205682, _205684))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _205664, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _125542=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _217810)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _219668)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _229262)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _231966)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _248900)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _254470)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _256328)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _272338)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), a, _254470)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _289980)
   Call: (221) [system] peek_char((0x560c892e10d0), _290914)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_295634, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _289980=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq([a], _254470)
^  Call: (221) [user] classify_and_convert_charseq_([a], _302070)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_303022, _303024), once(user:catch(read_from_chars([a], _302070), _303004, fail)), '$restore_trace'(_303022, _303024))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_303022, _303024))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _303004, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq_([a], a)
   Call: (221) [system] integer(a)
   Fail: (221) [system] integer(a)
   Call: (221) [system] _254470=a
   Exit: (221) [system] a=a
^  Exit: (220) [user] classify_and_convert_charseq([a], a)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _315150)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _317008)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _333018)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _336808)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _315150=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _217810=[a]
   Exit: (218) [system] [a]=[a]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (217) [system] _88882=[abc, a]
   Exit: (217) [system] [abc, a]=[abc, a]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (216) [system] _5432=['DisjunctionIntroduction', abc, a]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _350690)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _352548)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _362142)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _364846)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _381780)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _387350)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _389208)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _405218)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _387350)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _410788)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _426798)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _432368)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _434226)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _450236)
   Exit: (218) [system] get_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', _432368)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _467878)
   Call: (220) [system] peek_char((0x560c892e10d0), _468812)
   Exit: (220) [system] peek_char((0x560c892e10d0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_473532, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_474464, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x560c892e10d0), r)
   Exit: (220) [system] get_char((0x560c892e10d0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _481814)
   Call: (221) [system] peek_char((0x560c892e10d0), _482748)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_487468, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_488400, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x560c892e10d0), 'L')
   Exit: (221) [system] get_char((0x560c892e10d0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _495750)
   Call: (222) [system] peek_char((0x560c892e10d0), _496684)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_501404, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_502336, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _509686)
   Call: (223) [system] peek_char((0x560c892e10d0), _510620)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_515340, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_516272, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _523622)
   Call: (224) [system] peek_char((0x560c892e10d0), _524556)
   Exit: (224) [system] peek_char((0x560c892e10d0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_529276, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_530208, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x560c892e10d0), k)
   Exit: (224) [system] get_char((0x560c892e10d0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _537558)
   Call: (225) [system] peek_char((0x560c892e10d0), _538492)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _537558=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _523622=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (223) [system] _509686=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (222) [system] _495750=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (221) [system] _481814=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (220) [system] _467878=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _432368)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _561746)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_562698, _562700), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _561746), _562680, fail)), '$restore_trace'(_562698, _562700))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_562698, _562700))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _561746), _562680, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_561746)
   Fail: (221) [system] atomic(_561746)
   Call: (221) [system] atom_chars(_561746, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _432368='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _576696)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _578554)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _588148)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _590852)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _607786)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _613356)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _615214)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _631224)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _613356)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _636794)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _652804)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _658374)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _660232)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _676242)
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', _658374)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _693884)
   Call: (223) [system] peek_char((0x560c892e10d0), _694818)
   Exit: (223) [system] peek_char((0x560c892e10d0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_699538, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_700470, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x560c892e10d0), m)
   Exit: (223) [system] get_char((0x560c892e10d0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _707820)
   Call: (224) [system] peek_char((0x560c892e10d0), _708754)
   Exit: (224) [system] peek_char((0x560c892e10d0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_713474, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_714406, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x560c892e10d0), p)
   Exit: (224) [system] get_char((0x560c892e10d0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _721756)
   Call: (225) [system] peek_char((0x560c892e10d0), _722690)
   Exit: (225) [system] peek_char((0x560c892e10d0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_727410, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_728342, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x560c892e10d0), l)
   Exit: (225) [system] get_char((0x560c892e10d0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _735692)
   Call: (226) [system] peek_char((0x560c892e10d0), _736626)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_741346, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_742278, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _749628)
   Call: (227) [system] peek_char((0x560c892e10d0), _750562)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_755282, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_756214, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _763564)
   Call: (228) [system] peek_char((0x560c892e10d0), _764498)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_769218, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_770150, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x560c892e10d0), a)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _777500)
   Call: (229) [system] peek_char((0x560c892e10d0), _778434)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_783154, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_784086, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _791436)
   Call: (230) [system] peek_char((0x560c892e10d0), _792370)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_797090, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_798022, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _805372)
   Call: (231) [system] peek_char((0x560c892e10d0), _806306)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_811026, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_811958, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _819308)
   Call: (232) [system] peek_char((0x560c892e10d0), _820242)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_824962, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_825894, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _833244)
   Call: (233) [system] peek_char((0x560c892e10d0), _834178)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _833244=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _819308=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _805372=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _791436=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _777500=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _763564=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (227) [system] _749628=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (226) [system] _735692=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (225) [system] _721756=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _707820=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _693884=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _658374)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _871402)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_872354, _872356), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871402), _872336, fail)), '$restore_trace'(_872354, _872356))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_872354, _872356))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871402), _872336, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_871402)
   Fail: (224) [system] atomic(_871402)
   Call: (224) [system] atom_chars(_871402, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _658374='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _886352)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _888210)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _897804)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _900508)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _917442)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _923012)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _924870)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _940880)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _923012)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _946450)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _962460)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _968030)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _969888)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _985898)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _968030)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003540)
   Call: (226) [system] peek_char((0x560c892e10d0), _1004474)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1009194, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1010126, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017476)
   Call: (227) [system] peek_char((0x560c892e10d0), _1018410)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1023130, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1024062, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031412)
   Call: (228) [system] peek_char((0x560c892e10d0), _1032346)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1037066, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1037998, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045348)
   Call: (229) [system] peek_char((0x560c892e10d0), _1046282)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1051002, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1051934, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059284)
   Call: (230) [system] peek_char((0x560c892e10d0), _1060218)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1064938, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1065870, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073220)
   Call: (231) [system] peek_char((0x560c892e10d0), _1074154)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1078874, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1079806, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087156)
   Call: (232) [system] peek_char((0x560c892e10d0), _1088090)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1087156=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1073220=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1059284=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1045348=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1031412=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1017476=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (226) [system] _1003540=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _968030)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1114138)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1115090, _1115092), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1114138), _1115072, fail)), '$restore_trace'(_1115090, _1115092))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1115090, _1115092))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1114138), _1115072, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1114138)
   Fail: (227) [system] atomic(_1114138)
   Call: (227) [system] atom_chars(_1114138, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _968030='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1129088)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1130946)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1140540)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1143244)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1160178)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1165748)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1167606)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1183616)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1165748)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1201258)
   Call: (227) [system] peek_char((0x560c892e10d0), _1202192)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1201258=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1165748)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1211476)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1212428, _1212430), once(user:catch(read_from_chars(['A'], _1211476), _1212410, fail)), '$restore_trace'(_1212428, _1212430))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1212428, _1212430))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1211476), _1212410, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1211476)
   Fail: (228) [system] atomic(_1211476)
   Call: (228) [system] atom_chars(_1211476, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1165748='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1226426)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1228284)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1237878)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1240582)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1257516)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1263086)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1264944)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1280954)
   Exit: (226) [system] get_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1263086)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1298596)
   Call: (228) [system] peek_char((0x560c892e10d0), _1299530)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1304250, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1298596=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _1263086)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _1310686)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1311638, _1311640), once(user:catch(read_from_chars(['B'], _1310686), _1311620, fail)), '$restore_trace'(_1311638, _1311640))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1311638, _1311640))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1310686), _1311620, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1310686)
   Fail: (229) [system] atomic(_1310686)
   Call: (229) [system] atom_chars(_1310686, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _1263086='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1325636)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1327494)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1343504)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1347294)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1325636=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _1226426=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (224) [system] _1129088=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (223) [system] _923012=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1361176)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1363034)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1372628)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1375332)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1392266)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1397836)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1399694)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1415704)
   Exit: (223) [system] get_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1397836)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1433346)
   Call: (225) [system] peek_char((0x560c892e10d0), _1434280)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1439000, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1433346=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _1397836)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _1445436)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1446388, _1446390), once(user:catch(read_from_chars(['C'], _1445436), _1446370, fail)), '$restore_trace'(_1446388, _1446390))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1446388, _1446390))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1445436), _1446370, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1445436)
   Fail: (226) [system] atomic(_1445436)
   Call: (226) [system] atom_chars(_1445436, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _1397836='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1460386)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1462244)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1478254)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1482044)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1460386=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1361176=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (221) [system] _886352=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _613356=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1495926)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1497784)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1507378)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1510082)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1527016)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1532586)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1534444)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1550454)
   Exit: (220) [system] get_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1532586)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1568096)
   Call: (222) [system] peek_char((0x560c892e10d0), _1569030)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1573750, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1568096=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _1532586)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _1580186)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1581138, _1581140), once(user:catch(read_from_chars(['A'], _1580186), _1581120, fail)), '$restore_trace'(_1581138, _1581140))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1581138, _1581140))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1580186), _1581120, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1580186)
   Fail: (223) [system] atomic(_1580186)
   Call: (223) [system] atom_chars(_1580186, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _1532586='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1595136)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1596994)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1613004)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1616794)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1595136=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _1495926=['A']
   Exit: (219) [system] ['A']=['A']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (218) [system] _576696=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (217) [system] _387350=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1630676)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1632534)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1648544)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1652334)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1630676=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _350690=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (214) [system] _5428=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (213) [system] _5420=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1666216)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1668074)
   Exit: (213) [system] peek_char((0x560c892e10d0), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
   Call: (213) [system] '\n'=(/)
   Fail: (213) [system] '\n'=(/)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x560c892e10d0), _1679524)
   Exit: (213) [system] get_char((0x560c892e10d0), '\n')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1682228)
   Exit: (214) [system] peek_char((0x560c892e10d0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x560c892e10d0), _1691822)
   Exit: (214) [system] get_char((0x560c892e10d0), '\t')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1694526)
   Exit: (215) [system] peek_char((0x560c892e10d0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x560c892e10d0), _1704120)
   Exit: (215) [system] get_char((0x560c892e10d0), '\t')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1706824)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1716418)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1719122)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1738828)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1744398)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1746256)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1762266)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1744398)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1767836)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1783846)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1789416)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1791274)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1807284)
   Exit: (215) [system] get_char((0x560c892e10d0), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), :, _1789416)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1824926)
   Call: (217) [system] peek_char((0x560c892e10d0), _1825860)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1824926=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq([:], _1789416)
^  Call: (217) [user] classify_and_convert_charseq_([:], _1835144)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1836096, _1836098), once(user:catch(read_from_chars([:], _1835144), _1836078, fail)), '$restore_trace'(_1836096, _1836098))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1836096, _1836098))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1836078, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq_([:], :)
   Call: (217) [system] integer(:)
   Fail: (217) [system] integer(:)
   Call: (217) [system] _1789416=(:)
   Exit: (217) [system] (:)=(:)
^  Exit: (216) [user] classify_and_convert_charseq([:], :)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1848224)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1850082)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1859676)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1862380)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1879314)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1884884)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1886742)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1902752)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1884884)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1908322)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1924332)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1929902)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1931760)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1947770)
   Exit: (218) [system] get_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1929902)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1965412)
   Call: (220) [system] peek_char((0x560c892e10d0), _1966346)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1971066, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1971998, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1979348)
   Call: (221) [system] peek_char((0x560c892e10d0), _1980282)
   Exit: (221) [system] peek_char((0x560c892e10d0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1985002, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1985934, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x560c892e10d0), s)
   Exit: (221) [system] get_char((0x560c892e10d0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1993284)
   Call: (222) [system] peek_char((0x560c892e10d0), _1994218)
   Exit: (222) [system] peek_char((0x560c892e10d0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1998938, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1999870, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x560c892e10d0), j)
   Exit: (222) [system] get_char((0x560c892e10d0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2007220)
   Call: (223) [system] peek_char((0x560c892e10d0), _2008154)
   Exit: (223) [system] peek_char((0x560c892e10d0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_2012874, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_2013806, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x560c892e10d0), u)
   Exit: (223) [system] get_char((0x560c892e10d0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2021156)
   Call: (224) [system] peek_char((0x560c892e10d0), _2022090)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2026810, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_2027742, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2035092)
   Call: (225) [system] peek_char((0x560c892e10d0), _2036026)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_2040746, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_2041678, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2049028)
   Call: (226) [system] peek_char((0x560c892e10d0), _2049962)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_2054682, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_2055614, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2062964)
   Call: (227) [system] peek_char((0x560c892e10d0), _2063898)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_2068618, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_2069550, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2076900)
   Call: (228) [system] peek_char((0x560c892e10d0), _2077834)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_2082554, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_2083486, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2090836)
   Call: (229) [system] peek_char((0x560c892e10d0), _2091770)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_5644, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_6244, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _13594)
   Call: (230) [system] peek_char((0x560c892e10d0), _14528)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_19248, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_20180, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x560c892e10d0), 'I')
   Exit: (230) [system] get_char((0x560c892e10d0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _27530)
   Call: (231) [system] peek_char((0x560c892e10d0), _28464)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_33184, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_34116, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _41466)
   Call: (232) [system] peek_char((0x560c892e10d0), _42400)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_47120, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_48052, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _55402)
   Call: (233) [system] peek_char((0x560c892e10d0), _56336)
   Exit: (233) [system] peek_char((0x560c892e10d0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_61056, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_61988, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x560c892e10d0), r)
   Exit: (233) [system] get_char((0x560c892e10d0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _69338)
   Call: (234) [system] peek_char((0x560c892e10d0), _70272)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_74992, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_75924, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _83274)
   Call: (235) [system] peek_char((0x560c892e10d0), _84208)
   Exit: (235) [system] peek_char((0x560c892e10d0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_88928, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_89860, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x560c892e10d0), d)
   Exit: (235) [system] get_char((0x560c892e10d0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _97210)
   Call: (236) [system] peek_char((0x560c892e10d0), _98144)
   Exit: (236) [system] peek_char((0x560c892e10d0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_102864, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_103796, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x560c892e10d0), u)
   Exit: (236) [system] get_char((0x560c892e10d0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _111146)
   Call: (237) [system] peek_char((0x560c892e10d0), _112080)
   Exit: (237) [system] peek_char((0x560c892e10d0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_116800, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_117732, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x560c892e10d0), c)
   Exit: (237) [system] get_char((0x560c892e10d0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _125082)
   Call: (238) [system] peek_char((0x560c892e10d0), _126016)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_130736, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_131668, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _139018)
   Call: (239) [system] peek_char((0x560c892e10d0), _139952)
   Exit: (239) [system] peek_char((0x560c892e10d0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_144672, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_145604, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x560c892e10d0), i)
   Exit: (239) [system] get_char((0x560c892e10d0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _152954)
   Call: (240) [system] peek_char((0x560c892e10d0), _153888)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_158608, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_159540, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _166890)
   Call: (241) [system] peek_char((0x560c892e10d0), _167824)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_172544, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_173476, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _180826)
   Call: (242) [system] peek_char((0x560c892e10d0), _181760)
   Exit: (242) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _180826=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (241) [system] _166890=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (240) [system] _152954=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (239) [system] _139018=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (238) [system] _125082=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (237) [system] _111146=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (236) [system] _97210=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (235) [system] _83274=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (234) [system] _69338=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _55402=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _41466=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _27530=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _13594=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5574=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5570=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5566=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5562=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5558=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5554=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5550=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5546=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5542=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5538=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5534)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_253464, _253466), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512), _253446, fail)), '$restore_trace'(_253464, _253466))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_253464, _253466))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512), _253446, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_252512)
   Fail: (221) [system] atomic(_252512)
   Call: (221) [system] atom_chars(_252512, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _5534='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _267462)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _269320)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _278914)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _281618)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _298552)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _304122)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _305980)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _321990)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), a, _304122)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _339632)
   Call: (221) [system] peek_char((0x560c892e10d0), _340566)
   Exit: (221) [system] peek_char((0x560c892e10d0), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_345286, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_346218, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x560c892e10d0), b)
   Exit: (221) [system] get_char((0x560c892e10d0), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _353568)
   Call: (222) [system] peek_char((0x560c892e10d0), _354502)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_359222, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_360154, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _367504)
   Call: (223) [system] peek_char((0x560c892e10d0), _368438)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _367504=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _353568=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (221) [system] _339632=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _304122)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _383310)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_384262, _384264), once(user:catch(read_from_chars([a, b, c], _383310), _384244, fail)), '$restore_trace'(_384262, _384264))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_384262, _384264))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _384244, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _304122=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _396390)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _398248)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _407842)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _410546)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _427480)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _433050)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _434908)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _450918)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), a, _433050)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _468560)
   Call: (222) [system] peek_char((0x560c892e10d0), _469494)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_474214, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _468560=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _433050)
^  Call: (222) [user] classify_and_convert_charseq_([a], _480650)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_481602, _481604), once(user:catch(read_from_chars([a], _480650), _481584, fail)), '$restore_trace'(_481602, _481604))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_481602, _481604))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _481584, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _433050=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _493730)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _495588)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _511598)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _515388)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _493730=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _396390=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (218) [system] _267462=[abc, a]
   Exit: (218) [system] [abc, a]=[abc, a]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (217) [system] _5528=['DisjunctionIntroduction', abc, a]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _529270)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _531128)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _540722)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _543426)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _560360)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _565930)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _567788)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _583798)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _565930)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _589368)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _605378)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _610948)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _612806)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _628816)
   Exit: (219) [system] get_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', _610948)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _646458)
   Call: (221) [system] peek_char((0x560c892e10d0), _647392)
   Exit: (221) [system] peek_char((0x560c892e10d0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_652112, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_653044, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x560c892e10d0), r)
   Exit: (221) [system] get_char((0x560c892e10d0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _660394)
   Call: (222) [system] peek_char((0x560c892e10d0), _661328)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_666048, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_666980, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x560c892e10d0), 'L')
   Exit: (222) [system] get_char((0x560c892e10d0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _674330)
   Call: (223) [system] peek_char((0x560c892e10d0), _675264)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_679984, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_680916, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _688266)
   Call: (224) [system] peek_char((0x560c892e10d0), _689200)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_693920, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_694852, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _702202)
   Call: (225) [system] peek_char((0x560c892e10d0), _703136)
   Exit: (225) [system] peek_char((0x560c892e10d0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_707856, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_708788, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x560c892e10d0), k)
   Exit: (225) [system] get_char((0x560c892e10d0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _716138)
   Call: (226) [system] peek_char((0x560c892e10d0), _717072)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _716138=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _702202=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (224) [system] _688266=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (223) [system] _674330=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (222) [system] _660394=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (221) [system] _646458=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _610948)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _740326)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_741278, _741280), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _740326), _741260, fail)), '$restore_trace'(_741278, _741280))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_741278, _741280))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _740326), _741260, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_740326)
   Fail: (222) [system] atomic(_740326)
   Call: (222) [system] atom_chars(_740326, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _610948='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _755276)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _757134)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _766728)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _769432)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _786366)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _791936)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _793794)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _809804)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _791936)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _815374)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _831384)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _836954)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _838812)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _854822)
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', _836954)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _872464)
   Call: (224) [system] peek_char((0x560c892e10d0), _873398)
   Exit: (224) [system] peek_char((0x560c892e10d0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_878118, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_879050, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x560c892e10d0), m)
   Exit: (224) [system] get_char((0x560c892e10d0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _886400)
   Call: (225) [system] peek_char((0x560c892e10d0), _887334)
   Exit: (225) [system] peek_char((0x560c892e10d0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_892054, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_892986, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x560c892e10d0), p)
   Exit: (225) [system] get_char((0x560c892e10d0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _900336)
   Call: (226) [system] peek_char((0x560c892e10d0), _901270)
   Exit: (226) [system] peek_char((0x560c892e10d0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_905990, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_906922, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x560c892e10d0), l)
   Exit: (226) [system] get_char((0x560c892e10d0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _914272)
   Call: (227) [system] peek_char((0x560c892e10d0), _915206)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_919926, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_920858, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _928208)
   Call: (228) [system] peek_char((0x560c892e10d0), _929142)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_933862, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_934794, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _942144)
   Call: (229) [system] peek_char((0x560c892e10d0), _943078)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_947798, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_948730, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x560c892e10d0), a)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _956080)
   Call: (230) [system] peek_char((0x560c892e10d0), _957014)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_961734, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_962666, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _970016)
   Call: (231) [system] peek_char((0x560c892e10d0), _970950)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_975670, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_976602, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _983952)
   Call: (232) [system] peek_char((0x560c892e10d0), _984886)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_989606, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_990538, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _997888)
   Call: (233) [system] peek_char((0x560c892e10d0), _998822)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1003542, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1004474, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1011824)
   Call: (234) [system] peek_char((0x560c892e10d0), _1012758)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1011824=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _997888=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _983952=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _970016=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _956080=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _942144=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (228) [system] _928208=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (227) [system] _914272=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (226) [system] _900336=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _886400=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _872464=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _836954)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1049982)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1050934, _1050936), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1049982), _1050916, fail)), '$restore_trace'(_1050934, _1050936))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1050934, _1050936))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1049982), _1050916, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1049982)
   Fail: (225) [system] atomic(_1049982)
   Call: (225) [system] atom_chars(_1049982, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _836954='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1064932)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1066790)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1076384)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1079088)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1096022)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1101592)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1103450)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1119460)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1101592)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1125030)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1141040)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1146610)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1148468)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1164478)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1146610)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1182120)
   Call: (227) [system] peek_char((0x560c892e10d0), _1183054)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1187774, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1188706, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1196056)
   Call: (228) [system] peek_char((0x560c892e10d0), _1196990)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1201710, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1202642, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209992)
   Call: (229) [system] peek_char((0x560c892e10d0), _1210926)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1215646, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1216578, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x560c892e10d0), 'L')
   Exit: (229) [system] get_char((0x560c892e10d0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223928)
   Call: (230) [system] peek_char((0x560c892e10d0), _1224862)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1229582, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1230514, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1237864)
   Call: (231) [system] peek_char((0x560c892e10d0), _1238798)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1243518, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1244450, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1251800)
   Call: (232) [system] peek_char((0x560c892e10d0), _1252734)
   Exit: (232) [system] peek_char((0x560c892e10d0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1257454, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1258386, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x560c892e10d0), k)
   Exit: (232) [system] get_char((0x560c892e10d0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1265736)
   Call: (233) [system] peek_char((0x560c892e10d0), _1266670)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1265736=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1251800=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (231) [system] _1237864=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (230) [system] _1223928=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (229) [system] _1209992=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (228) [system] _1196056=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (227) [system] _1182120=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1146610)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1292718)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1293670, _1293672), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1292718), _1293652, fail)), '$restore_trace'(_1293670, _1293672))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1293670, _1293672))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1292718), _1293652, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1292718)
   Fail: (228) [system] atomic(_1292718)
   Call: (228) [system] atom_chars(_1292718, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _1146610='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1307668)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1309526)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1319120)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1321824)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1338758)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1344328)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1346186)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1362196)
   Exit: (226) [system] get_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1344328)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1379838)
   Call: (228) [system] peek_char((0x560c892e10d0), _1380772)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1379838=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1344328)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1390056)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1391008, _1391010), once(user:catch(read_from_chars(['A'], _1390056), _1390990, fail)), '$restore_trace'(_1391008, _1391010))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1391008, _1391010))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1390056), _1390990, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1390056)
   Fail: (229) [system] atomic(_1390056)
   Call: (229) [system] atom_chars(_1390056, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1344328='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1405006)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1406864)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1416458)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1419162)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1436096)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1441666)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1443524)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1459534)
   Exit: (227) [system] get_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1441666)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1477176)
   Call: (229) [system] peek_char((0x560c892e10d0), _1478110)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1482830, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1477176=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _1441666)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _1489266)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1490218, _1490220), once(user:catch(read_from_chars(['B'], _1489266), _1490200, fail)), '$restore_trace'(_1490218, _1490220))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1490218, _1490220))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1489266), _1490200, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1489266)
   Fail: (230) [system] atomic(_1489266)
   Call: (230) [system] atom_chars(_1489266, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _1441666='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1504216)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1506074)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1522084)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1525874)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1504216=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1405006=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (225) [system] _1307668=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (224) [system] _1101592=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1539756)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1541614)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1551208)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1553912)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1570846)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1576416)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1578274)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1594284)
   Exit: (224) [system] get_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1576416)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1611926)
   Call: (226) [system] peek_char((0x560c892e10d0), _1612860)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1617580, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1611926=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1576416)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1624016)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1624968, _1624970), once(user:catch(read_from_chars(['C'], _1624016), _1624950, fail)), '$restore_trace'(_1624968, _1624970))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1624968, _1624970))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1624016), _1624950, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1624016)
   Fail: (227) [system] atomic(_1624016)
   Call: (227) [system] atom_chars(_1624016, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1576416='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1638966)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1640824)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1656834)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1660624)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1638966=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _1539756=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (222) [system] _1064932=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _791936=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1674506)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1676364)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1685958)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1688662)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1705596)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1711166)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1713024)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1729034)
   Exit: (221) [system] get_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1711166)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1746676)
   Call: (223) [system] peek_char((0x560c892e10d0), _1747610)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1752330, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1746676=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _1711166)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _1758766)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1759718, _1759720), once(user:catch(read_from_chars(['B'], _1758766), _1759700, fail)), '$restore_trace'(_1759718, _1759720))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1759718, _1759720))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1758766), _1759700, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1758766)
   Fail: (224) [system] atomic(_1758766)
   Call: (224) [system] atom_chars(_1758766, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _1711166='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1773716)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1775574)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1791584)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _1795374)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _1773716=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _1674506=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (219) [system] _755276=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (218) [system] _565930=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1809256)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1811114)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1827124)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1830914)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1809256=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _529270=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (215) [system] _5524=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (214) [system] _5516=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1844796)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1846654)
   Exit: (214) [system] peek_char((0x560c892e10d0), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
   Call: (214) [system] '\n'=(/)
   Fail: (214) [system] '\n'=(/)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x560c892e10d0), _1858104)
   Exit: (214) [system] get_char((0x560c892e10d0), '\n')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1860808)
   Exit: (215) [system] peek_char((0x560c892e10d0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x560c892e10d0), _1870402)
   Exit: (215) [system] get_char((0x560c892e10d0), '\t')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1873106)
   Exit: (216) [system] peek_char((0x560c892e10d0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x560c892e10d0), _1882700)
   Exit: (216) [system] get_char((0x560c892e10d0), '\t')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1885404)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1894998)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1897702)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1917408)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1922978)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1924836)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1940846)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1922978)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1946416)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1962426)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1967996)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1969854)
   Exit: (217) [system] peek_char((0x560c892e10d0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1985864)
   Exit: (216) [system] get_char((0x560c892e10d0), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), :, _1967996)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2003506)
   Call: (218) [system] peek_char((0x560c892e10d0), _2004440)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2003506=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq([:], _1967996)
^  Call: (218) [user] classify_and_convert_charseq_([:], _2013724)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2014676, _2014678), once(user:catch(read_from_chars([:], _2013724), _2014658, fail)), '$restore_trace'(_2014676, _2014678))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2014676, _2014678))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2014658, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq_([:], :)
   Call: (218) [system] integer(:)
   Fail: (218) [system] integer(:)
   Call: (218) [system] _1967996=(:)
   Exit: (218) [system] (:)=(:)
^  Exit: (217) [user] classify_and_convert_charseq([:], :)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _2026804)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2028662)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _2038256)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2040960)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2057894)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2063464)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2065322)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _2081332)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _2063464)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2086902)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _11788)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _17358)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _19216)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _35226)
   Exit: (219) [system] get_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', _17358)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _52868)
   Call: (221) [system] peek_char((0x560c892e10d0), _53802)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_58522, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_59454, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _66804)
   Call: (222) [system] peek_char((0x560c892e10d0), _67738)
   Exit: (222) [system] peek_char((0x560c892e10d0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_72458, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_73390, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x560c892e10d0), s)
   Exit: (222) [system] get_char((0x560c892e10d0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _80740)
   Call: (223) [system] peek_char((0x560c892e10d0), _81674)
   Exit: (223) [system] peek_char((0x560c892e10d0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_86394, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_87326, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x560c892e10d0), j)
   Exit: (223) [system] get_char((0x560c892e10d0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _94676)
   Call: (224) [system] peek_char((0x560c892e10d0), _95610)
   Exit: (224) [system] peek_char((0x560c892e10d0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_100330, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_101262, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x560c892e10d0), u)
   Exit: (224) [system] get_char((0x560c892e10d0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _108612)
   Call: (225) [system] peek_char((0x560c892e10d0), _109546)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_114266, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_115198, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _122548)
   Call: (226) [system] peek_char((0x560c892e10d0), _123482)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_128202, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_129134, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _136484)
   Call: (227) [system] peek_char((0x560c892e10d0), _137418)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_142138, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_143070, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _150420)
   Call: (228) [system] peek_char((0x560c892e10d0), _151354)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_156074, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_157006, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _164356)
   Call: (229) [system] peek_char((0x560c892e10d0), _165290)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_170010, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_170942, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _178292)
   Call: (230) [system] peek_char((0x560c892e10d0), _179226)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_183946, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_184878, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _192228)
   Call: (231) [system] peek_char((0x560c892e10d0), _193162)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_197882, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_198814, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x560c892e10d0), 'I')
   Exit: (231) [system] get_char((0x560c892e10d0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _206164)
   Call: (232) [system] peek_char((0x560c892e10d0), _207098)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_211818, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_212750, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _220100)
   Call: (233) [system] peek_char((0x560c892e10d0), _221034)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_225754, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_226686, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _234036)
   Call: (234) [system] peek_char((0x560c892e10d0), _234970)
   Exit: (234) [system] peek_char((0x560c892e10d0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_239690, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_240622, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x560c892e10d0), r)
   Exit: (234) [system] get_char((0x560c892e10d0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _247972)
   Call: (235) [system] peek_char((0x560c892e10d0), _248906)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_253626, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_254558, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _261908)
   Call: (236) [system] peek_char((0x560c892e10d0), _262842)
   Exit: (236) [system] peek_char((0x560c892e10d0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_267562, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_268494, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x560c892e10d0), d)
   Exit: (236) [system] get_char((0x560c892e10d0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _275844)
   Call: (237) [system] peek_char((0x560c892e10d0), _276778)
   Exit: (237) [system] peek_char((0x560c892e10d0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_281498, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_282430, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x560c892e10d0), u)
   Exit: (237) [system] get_char((0x560c892e10d0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _289780)
   Call: (238) [system] peek_char((0x560c892e10d0), _290714)
   Exit: (238) [system] peek_char((0x560c892e10d0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_295434, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_296366, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x560c892e10d0), c)
   Exit: (238) [system] get_char((0x560c892e10d0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _303716)
   Call: (239) [system] peek_char((0x560c892e10d0), _304650)
   Exit: (239) [system] peek_char((0x560c892e10d0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_309370, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_310302, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x560c892e10d0), t)
   Exit: (239) [system] get_char((0x560c892e10d0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _317652)
   Call: (240) [system] peek_char((0x560c892e10d0), _318586)
   Exit: (240) [system] peek_char((0x560c892e10d0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_323306, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_324238, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x560c892e10d0), i)
   Exit: (240) [system] get_char((0x560c892e10d0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _331588)
   Call: (241) [system] peek_char((0x560c892e10d0), _332522)
   Exit: (241) [system] peek_char((0x560c892e10d0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_337242, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_338174, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x560c892e10d0), o)
   Exit: (241) [system] get_char((0x560c892e10d0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _345524)
   Call: (242) [system] peek_char((0x560c892e10d0), _346458)
   Exit: (242) [system] peek_char((0x560c892e10d0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_351178, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_352110, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x560c892e10d0), n)
   Exit: (242) [system] get_char((0x560c892e10d0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _359460)
   Call: (243) [system] peek_char((0x560c892e10d0), _360394)
   Exit: (243) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _359460=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (242) [system] _345524=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (241) [system] _331588=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (240) [system] _317652=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (239) [system] _303716=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (238) [system] _289780=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (237) [system] _275844=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (236) [system] _261908=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (235) [system] _247972=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _234036=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _220100=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _206164=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _192228=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _178292=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _164356=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _150420=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _136484=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _122548=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _108612=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _94676=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _80740=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _66804=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _52868=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _17358)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_432098, _432100), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146), _432080, fail)), '$restore_trace'(_432098, _432100))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_432098, _432100))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146), _432080, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_431146)
   Fail: (222) [system] atomic(_431146)
   Call: (222) [system] atom_chars(_431146, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _17358='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _446096)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _447954)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _457548)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _460252)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
   Call: (221) [system] c=(/)
   Fail: (221) [system] c=(/)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _477186)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
   Call: (219) [system] c=')'
   Fail: (219) [system] c=')'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _482756)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _484614)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
   Call: (221) [system] c=(/)
   Fail: (221) [system] c=(/)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _500624)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c='('
   Fail: (220) [system] c='('
   Call: (220) [system] c='['
   Fail: (220) [system] c='['
   Call: (220) [system] c='{'
   Fail: (220) [system] c='{'
   Call: (220) [system] c='"'
   Fail: (220) [system] c='"'
   Call: (220) [system] c=!
   Fail: (220) [system] c=!
   Call: (220) [system] c='\''
   Fail: (220) [system] c='\''
   Call: (220) [system] c='`'
   Fail: (220) [system] c='`'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), c, _482756)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _518266)
   Call: (222) [system] peek_char((0x560c892e10d0), _519200)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_523920, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_524852, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _532202)
   Call: (223) [system] peek_char((0x560c892e10d0), _533136)
   Exit: (223) [system] peek_char((0x560c892e10d0), e)
^  Call: (223) [user] is_delimiter(e)
   Call: (224) [system] char_type(e, space)
   Fail: (224) [system] char_type(e, space)
   Call: (224) [system] arg(_537856, v('(', ')', end_of_file), e)
   Fail: (224) [system] arg(_538788, v('(', ')', end_of_file), e)
^  Fail: (223) [user] is_delimiter(e)
   Call: (223) [system] ')'==e
   Fail: (223) [system] ')'==e
   Call: (223) [system] get_char((0x560c892e10d0), e)
   Exit: (223) [system] get_char((0x560c892e10d0), e)
   Call: (223) [system] e=(\)
   Fail: (223) [system] e=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _546138)
   Call: (224) [system] peek_char((0x560c892e10d0), _547072)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _546138=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _532202=[e]
   Exit: (223) [system] [e]=[e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (222) [system] _518266=[d, e]
   Exit: (222) [system] [d, e]=[d, e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (221) [user] classify_and_convert_charseq([c, d, e], _482756)
^  Call: (222) [user] classify_and_convert_charseq_([c, d, e], _561944)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_562896, _562898), once(user:catch(read_from_chars([c, d, e], _561944), _562878, fail)), '$restore_trace'(_562896, _562898))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_562896, _562898))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _562878, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(cde)
   Exit: (223) [system] atomic(cde)
^  Exit: (222) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (222) [system] integer(cde)
   Fail: (222) [system] integer(cde)
   Call: (222) [system] _482756=cde
   Exit: (222) [system] cde=cde
^  Exit: (221) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _575024)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _576882)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _586476)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _589180)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _606114)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _611684)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _613542)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _629552)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), a, _611684)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _647194)
   Call: (223) [system] peek_char((0x560c892e10d0), _648128)
   Exit: (223) [system] peek_char((0x560c892e10d0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_652848, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_653780, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x560c892e10d0), b)
   Exit: (223) [system] get_char((0x560c892e10d0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _661130)
   Call: (224) [system] peek_char((0x560c892e10d0), _662064)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_666784, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_667716, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _675066)
   Call: (225) [system] peek_char((0x560c892e10d0), _676000)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_680720, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _675066=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _661130=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (223) [system] _647194=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq([a, b, c], _611684)
^  Call: (223) [user] classify_and_convert_charseq_([a, b, c], _692744)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_693696, _693698), once(user:catch(read_from_chars([a, b, c], _692744), _693678, fail)), '$restore_trace'(_693696, _693698))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_693696, _693698))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _693678, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (223) [system] integer(abc)
   Fail: (223) [system] integer(abc)
   Call: (223) [system] _611684=abc
   Exit: (223) [system] abc=abc
^  Exit: (222) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _705824)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _707682)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _723692)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _727482)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _705824=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _575024=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (219) [system] _446096=[cde, abc]
   Exit: (219) [system] [cde, abc]=[cde, abc]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [cde, abc])
   Call: (218) [system] _5624=['DisjunctionIntroduction', cde, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, abc])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _741364)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _743222)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _752816)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _755520)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _772454)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _778024)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _779882)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _795892)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _778024)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _801462)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _817472)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _823042)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _824900)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _840910)
   Exit: (220) [system] get_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', _823042)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _858552)
   Call: (222) [system] peek_char((0x560c892e10d0), _859486)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_864206, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_865138, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _872488)
   Call: (223) [system] peek_char((0x560c892e10d0), _873422)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_878142, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_879074, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _886424)
   Call: (224) [system] peek_char((0x560c892e10d0), _887358)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_892078, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_893010, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _900360)
   Call: (225) [system] peek_char((0x560c892e10d0), _901294)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_906014, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_906946, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _914296)
   Call: (226) [system] peek_char((0x560c892e10d0), _915230)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_919950, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_920882, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _928232)
   Call: (227) [system] peek_char((0x560c892e10d0), _929166)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _928232=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _914296=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _900360=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _886424=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _872488=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _858552=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _823042)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _952420)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_953372, _953374), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _952420), _953354, fail)), '$restore_trace'(_953372, _953374))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_953372, _953374))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _952420), _953354, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_952420)
   Fail: (223) [system] atomic(_952420)
   Call: (223) [system] atom_chars(_952420, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _823042='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _967370)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _969228)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _978822)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _981526)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _998460)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1004030)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1005888)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1021898)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1004030)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1027468)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1043478)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1049048)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1050906)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1066916)
   Exit: (223) [system] get_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1049048)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1084558)
   Call: (225) [system] peek_char((0x560c892e10d0), _1085492)
   Exit: (225) [system] peek_char((0x560c892e10d0), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_1090212, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_1091144, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x560c892e10d0), m)
   Exit: (225) [system] get_char((0x560c892e10d0), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1098494)
   Call: (226) [system] peek_char((0x560c892e10d0), _1099428)
   Exit: (226) [system] peek_char((0x560c892e10d0), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_1104148, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_1105080, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x560c892e10d0), p)
   Exit: (226) [system] get_char((0x560c892e10d0), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1112430)
   Call: (227) [system] peek_char((0x560c892e10d0), _1113364)
   Exit: (227) [system] peek_char((0x560c892e10d0), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_1118084, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_1119016, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x560c892e10d0), l)
   Exit: (227) [system] get_char((0x560c892e10d0), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126366)
   Call: (228) [system] peek_char((0x560c892e10d0), _1127300)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1132020, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1132952, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1140302)
   Call: (229) [system] peek_char((0x560c892e10d0), _1141236)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1145956, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1146888, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1154238)
   Call: (230) [system] peek_char((0x560c892e10d0), _1155172)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_1159892, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_1160824, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x560c892e10d0), a)
   Exit: (230) [system] get_char((0x560c892e10d0), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1168174)
   Call: (231) [system] peek_char((0x560c892e10d0), _1169108)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1173828, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1174760, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1182110)
   Call: (232) [system] peek_char((0x560c892e10d0), _1183044)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1187764, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1188696, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1196046)
   Call: (233) [system] peek_char((0x560c892e10d0), _1196980)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1201700, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1202632, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209982)
   Call: (234) [system] peek_char((0x560c892e10d0), _1210916)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1215636, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1216568, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223918)
   Call: (235) [system] peek_char((0x560c892e10d0), _1224852)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1223918=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1209982=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (233) [system] _1196046=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (232) [system] _1182110=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (231) [system] _1168174=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (230) [system] _1154238=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (229) [system] _1140302=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (228) [system] _1126366=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (227) [system] _1112430=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _1098494=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _1084558=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1049048)
^  Call: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1262076)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1263028, _1263030), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262076), _1263010, fail)), '$restore_trace'(_1263028, _1263030))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1263028, _1263030))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262076), _1263010, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1262076)
   Fail: (226) [system] atomic(_1262076)
   Call: (226) [system] atom_chars(_1262076, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (225) [system] integer('Implication')
   Fail: (225) [system] integer('Implication')
   Call: (225) [system] _1049048='Implication'
   Exit: (225) [system] 'Implication'='Implication'
^  Exit: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1277026)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1278884)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1288478)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1291182)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1308116)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1313686)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1315544)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1331554)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1313686)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1337124)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1353134)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1358704)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1360562)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1376572)
   Exit: (226) [system] get_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1358704)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394214)
   Call: (228) [system] peek_char((0x560c892e10d0), _1395148)
   Exit: (228) [system] peek_char((0x560c892e10d0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1399868, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1400800, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x560c892e10d0), r)
   Exit: (228) [system] get_char((0x560c892e10d0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408150)
   Call: (229) [system] peek_char((0x560c892e10d0), _1409084)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1413804, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1414736, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x560c892e10d0), 'L')
   Exit: (229) [system] get_char((0x560c892e10d0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422086)
   Call: (230) [system] peek_char((0x560c892e10d0), _1423020)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1427740, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1428672, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436022)
   Call: (231) [system] peek_char((0x560c892e10d0), _1436956)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1441676, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1442608, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1449958)
   Call: (232) [system] peek_char((0x560c892e10d0), _1450892)
   Exit: (232) [system] peek_char((0x560c892e10d0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1455612, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1456544, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x560c892e10d0), k)
   Exit: (232) [system] get_char((0x560c892e10d0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1463894)
   Call: (233) [system] peek_char((0x560c892e10d0), _1464828)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1463894=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1449958=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (231) [system] _1436022=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (230) [system] _1422086=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (229) [system] _1408150=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (228) [system] _1394214=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1358704)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1488082)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1489034, _1489036), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1488082), _1489016, fail)), '$restore_trace'(_1489034, _1489036))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1489034, _1489036))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1488082), _1489016, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1488082)
   Fail: (229) [system] atomic(_1488082)
   Call: (229) [system] atom_chars(_1488082, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1358704='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1503032)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1504890)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1514484)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1517188)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1534122)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=')'
   Fail: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1539692)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1541550)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1557560)
   Exit: (227) [system] get_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'='('
   Fail: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Fail: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Fail: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Fail: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Fail: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Fail: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Fail: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1539692)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575202)
   Call: (229) [system] peek_char((0x560c892e10d0), _1576136)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1575202=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['C'], _1539692)
^  Call: (229) [user] classify_and_convert_charseq_(['C'], _1585420)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1586372, _1586374), once(user:catch(read_from_chars(['C'], _1585420), _1586354, fail)), '$restore_trace'(_1586372, _1586374))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1586372, _1586374))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1585420), _1586354, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1585420)
   Fail: (230) [system] atomic(_1585420)
   Call: (230) [system] atom_chars(_1585420, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (229) [system] integer('C')
   Fail: (229) [system] integer('C')
   Call: (229) [system] _1539692='C'
   Exit: (229) [system] 'C'='C'
^  Exit: (228) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1600370)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1602228)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1611822)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1614526)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1631460)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1637030)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1638888)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1654898)
   Exit: (228) [system] get_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1637030)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1672540)
   Call: (230) [system] peek_char((0x560c892e10d0), _1673474)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1678194, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1672540=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['D'], _1637030)
^  Call: (230) [user] classify_and_convert_charseq_(['D'], _1684630)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1685582, _1685584), once(user:catch(read_from_chars(['D'], _1684630), _1685564, fail)), '$restore_trace'(_1685582, _1685584))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1685582, _1685584))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1684630), _1685564, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1684630)
   Fail: (231) [system] atomic(_1684630)
   Call: (231) [system] atom_chars(_1684630, ['D'])
   Exit: (231) [system] atom_chars('D', ['D'])
^  Exit: (230) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (230) [system] integer('D')
   Fail: (230) [system] integer('D')
   Call: (230) [system] _1637030='D'
   Exit: (230) [system] 'D'='D'
^  Exit: (229) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1699580)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1701438)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1717448)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _1721238)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _1699580=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _1600370=['D']
   Exit: (227) [system] ['D']=['D']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (226) [system] _1503032=['C', 'D']
   Exit: (226) [system] ['C', 'D']=['C', 'D']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (225) [system] _1313686=['OrLink', 'C', 'D']
   Exit: (225) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1735120)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1736978)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1746572)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1749276)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
   Call: (226) [system] 'E'=(/)
   Fail: (226) [system] 'E'=(/)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1766210)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'=')'
   Fail: (224) [system] 'E'=')'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1771780)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1773638)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
   Call: (226) [system] 'E'=(/)
   Fail: (226) [system] 'E'=(/)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1789648)
   Exit: (225) [system] get_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'='('
   Fail: (225) [system] 'E'='('
   Call: (225) [system] 'E'='['
   Fail: (225) [system] 'E'='['
   Call: (225) [system] 'E'='{'
   Fail: (225) [system] 'E'='{'
   Call: (225) [system] 'E'='"'
   Fail: (225) [system] 'E'='"'
   Call: (225) [system] 'E'=!
   Fail: (225) [system] 'E'=!
   Call: (225) [system] 'E'='\''
   Fail: (225) [system] 'E'='\''
   Call: (225) [system] 'E'='`'
   Fail: (225) [system] 'E'='`'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1771780)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1807290)
   Call: (227) [system] peek_char((0x560c892e10d0), _1808224)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1812944, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1807290=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['E'], _1771780)
^  Call: (227) [user] classify_and_convert_charseq_(['E'], _1819380)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1820332, _1820334), once(user:catch(read_from_chars(['E'], _1819380), _1820314, fail)), '$restore_trace'(_1820332, _1820334))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1820332, _1820334))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1819380), _1820314, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1819380)
   Fail: (228) [system] atomic(_1819380)
   Call: (228) [system] atom_chars(_1819380, ['E'])
   Exit: (228) [system] atom_chars('E', ['E'])
^  Exit: (227) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (227) [system] integer('E')
   Fail: (227) [system] integer('E')
   Call: (227) [system] _1771780='E'
   Exit: (227) [system] 'E'='E'
^  Exit: (226) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1834330)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1836188)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1852198)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _1855988)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _1834330=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _1735120=['E']
   Exit: (224) [system] ['E']=['E']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (223) [system] _1277026=[['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (222) [system] _1004030=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1869870)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1871728)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1881322)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1884026)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1900960)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1906530)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1908388)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1924398)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1906530)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1929968)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1945978)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1951548)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1953406)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1969416)
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1951548)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1987058)
   Call: (226) [system] peek_char((0x560c892e10d0), _1987992)
   Exit: (226) [system] peek_char((0x560c892e10d0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1992712, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1993644, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x560c892e10d0), m)
   Exit: (226) [system] get_char((0x560c892e10d0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000994)
   Call: (227) [system] peek_char((0x560c892e10d0), _2001928)
   Exit: (227) [system] peek_char((0x560c892e10d0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_2006648, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_2007580, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x560c892e10d0), p)
   Exit: (227) [system] get_char((0x560c892e10d0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2014930)
   Call: (228) [system] peek_char((0x560c892e10d0), _2015864)
   Exit: (228) [system] peek_char((0x560c892e10d0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_2020584, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_2021516, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x560c892e10d0), l)
   Exit: (228) [system] get_char((0x560c892e10d0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2028866)
   Call: (229) [system] peek_char((0x560c892e10d0), _2029800)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2034520, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_2035452, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2042802)
   Call: (230) [system] peek_char((0x560c892e10d0), _2043736)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_2048456, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_2049388, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2056738)
   Call: (231) [system] peek_char((0x560c892e10d0), _2057672)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_2062392, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_2063324, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x560c892e10d0), a)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _2070674)
   Call: (232) [system] peek_char((0x560c892e10d0), _2071608)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_2076328, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_2077260, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _2084610)
   Call: (233) [system] peek_char((0x560c892e10d0), _2085544)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_2090264, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_2091196, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _7422)
   Call: (234) [system] peek_char((0x560c892e10d0), _8356)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_13076, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_14008, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _21358)
   Call: (235) [system] peek_char((0x560c892e10d0), _22292)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_27012, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_27944, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _35294)
   Call: (236) [system] peek_char((0x560c892e10d0), _36228)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _35294=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _21358=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _7422=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _5740=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _5736=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _5732=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (230) [system] _5728=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (229) [system] _5724=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (228) [system] _5720=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _5716=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _5712=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5708)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _73452)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_74404, _74406), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _73452), _74386, fail)), '$restore_trace'(_74404, _74406))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_74404, _74406))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _73452), _74386, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_73452)
   Fail: (227) [system] atomic(_73452)
   Call: (227) [system] atom_chars(_73452, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _5708='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _88402)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _90260)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _99854)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _102558)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _119492)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _125062)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _126920)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _142930)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _125062)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _148500)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _164510)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _170080)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _171938)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _187948)
   Exit: (227) [system] get_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', _170080)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _205590)
   Call: (229) [system] peek_char((0x560c892e10d0), _206524)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_211244, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_212176, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _219526)
   Call: (230) [system] peek_char((0x560c892e10d0), _220460)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_225180, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_226112, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _233462)
   Call: (231) [system] peek_char((0x560c892e10d0), _234396)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_239116, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_240048, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _247398)
   Call: (232) [system] peek_char((0x560c892e10d0), _248332)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_253052, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_253984, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _261334)
   Call: (233) [system] peek_char((0x560c892e10d0), _262268)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_266988, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_267920, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _275270)
   Call: (234) [system] peek_char((0x560c892e10d0), _276204)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_280924, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_281856, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _289206)
   Call: (235) [system] peek_char((0x560c892e10d0), _290140)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _289206=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _275270=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _261334=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _247398=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _233462=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _219526=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (229) [system] _205590=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _170080)
^  Call: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _316188)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_317140, _317142), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _316188), _317122, fail)), '$restore_trace'(_317140, _317142))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_317140, _317142))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _316188), _317122, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_316188)
   Fail: (230) [system] atomic(_316188)
   Call: (230) [system] atom_chars(_316188, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (229) [system] integer('AndLink')
   Fail: (229) [system] integer('AndLink')
   Call: (229) [system] _170080='AndLink'
   Exit: (229) [system] 'AndLink'='AndLink'
^  Exit: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _331138)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _332996)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _342590)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _345294)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _362228)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _367798)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _369656)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _385666)
   Exit: (228) [system] get_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', _367798)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _403308)
   Call: (230) [system] peek_char((0x560c892e10d0), _404242)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _403308=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _367798)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _413526)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_414478, _414480), once(user:catch(read_from_chars(['A'], _413526), _414460, fail)), '$restore_trace'(_414478, _414480))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_414478, _414480))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _413526), _414460, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_413526)
   Fail: (231) [system] atomic(_413526)
   Call: (231) [system] atom_chars(_413526, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _367798='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _428476)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _430334)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _439928)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _442632)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _459566)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _465136)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _466994)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _483004)
   Exit: (229) [system] get_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', _465136)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _500646)
   Call: (231) [system] peek_char((0x560c892e10d0), _501580)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_506300, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _500646=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _465136)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _512736)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_513688, _513690), once(user:catch(read_from_chars(['B'], _512736), _513670, fail)), '$restore_trace'(_513688, _513690))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_513688, _513690))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _512736), _513670, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_512736)
   Fail: (232) [system] atomic(_512736)
   Call: (232) [system] atom_chars(_512736, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _465136='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _527686)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _529544)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _545554)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _549344)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _527686=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _428476=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (227) [system] _331138=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (226) [system] _125062=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _563226)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _565084)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _574678)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _577382)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _594316)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _599886)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _601744)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _617754)
   Exit: (226) [system] get_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', _599886)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _635396)
   Call: (228) [system] peek_char((0x560c892e10d0), _636330)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_641050, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _635396=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _599886)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _647486)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_648438, _648440), once(user:catch(read_from_chars(['C'], _647486), _648420, fail)), '$restore_trace'(_648438, _648440))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_648438, _648440))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _647486), _648420, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_647486)
   Fail: (229) [system] atomic(_647486)
   Call: (229) [system] atom_chars(_647486, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _599886='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _662436)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _664294)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _680304)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _684094)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _662436=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _563226=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (224) [system] _88402=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _697976)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _699834)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _715844)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _719634)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _697976=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _5656=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _5648=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _733516)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _735374)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _751384)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _755174)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _733516=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _5644=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _5620=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _5612=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _769056)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _770914)
   Exit: (215) [system] peek_char((0x560c892e10d0), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
   Call: (215) [system] '\n'=(/)
   Fail: (215) [system] '\n'=(/)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x560c892e10d0), _782364)
   Exit: (215) [system] get_char((0x560c892e10d0), '\n')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _785068)
   Exit: (216) [system] peek_char((0x560c892e10d0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x560c892e10d0), _794662)
   Exit: (216) [system] get_char((0x560c892e10d0), '\t')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _797366)
   Exit: (217) [system] peek_char((0x560c892e10d0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x560c892e10d0), _806960)
   Exit: (217) [system] get_char((0x560c892e10d0), '\t')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _809664)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _819258)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _821962)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _841668)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _847238)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _849096)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _865106)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _847238)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _870676)
   Exit: (217) [system] peek_char((0x560c892e10d0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _886686)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _892256)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _894114)
   Exit: (218) [system] peek_char((0x560c892e10d0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _910124)
   Exit: (217) [system] get_char((0x560c892e10d0), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), :, _892256)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _927766)
   Call: (219) [system] peek_char((0x560c892e10d0), _928700)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _927766=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq([:], _892256)
^  Call: (219) [user] classify_and_convert_charseq_([:], _937984)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_938936, _938938), once(user:catch(read_from_chars([:], _937984), _938918, fail)), '$restore_trace'(_938936, _938938))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_938936, _938938))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _938918, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq_([:], :)
   Call: (219) [system] integer(:)
   Fail: (219) [system] integer(:)
   Call: (219) [system] _892256=(:)
   Exit: (219) [system] (:)=(:)
^  Exit: (218) [user] classify_and_convert_charseq([:], :)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _951064)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _952922)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _962516)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _965220)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _982154)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _987724)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _989582)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1005592)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _987724)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1011162)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1027172)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1032742)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1034600)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1050610)
   Exit: (220) [system] get_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1032742)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1068252)
   Call: (222) [system] peek_char((0x560c892e10d0), _1069186)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1073906, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1074838, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082188)
   Call: (223) [system] peek_char((0x560c892e10d0), _1083122)
   Exit: (223) [system] peek_char((0x560c892e10d0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1087842, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1088774, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x560c892e10d0), s)
   Exit: (223) [system] get_char((0x560c892e10d0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1096124)
   Call: (224) [system] peek_char((0x560c892e10d0), _1097058)
   Exit: (224) [system] peek_char((0x560c892e10d0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1101778, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1102710, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x560c892e10d0), j)
   Exit: (224) [system] get_char((0x560c892e10d0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1110060)
   Call: (225) [system] peek_char((0x560c892e10d0), _1110994)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1115714, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1116646, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1123996)
   Call: (226) [system] peek_char((0x560c892e10d0), _1124930)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1129650, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1130582, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1137932)
   Call: (227) [system] peek_char((0x560c892e10d0), _1138866)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1143586, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1144518, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1151868)
   Call: (228) [system] peek_char((0x560c892e10d0), _1152802)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1157522, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1158454, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1165804)
   Call: (229) [system] peek_char((0x560c892e10d0), _1166738)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1171458, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1172390, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1179740)
   Call: (230) [system] peek_char((0x560c892e10d0), _1180674)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1185394, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1186326, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1193676)
   Call: (231) [system] peek_char((0x560c892e10d0), _1194610)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1199330, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1200262, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1207612)
   Call: (232) [system] peek_char((0x560c892e10d0), _1208546)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1213266, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1214198, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x560c892e10d0), 'I')
   Exit: (232) [system] get_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1221548)
   Call: (233) [system] peek_char((0x560c892e10d0), _1222482)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1227202, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1228134, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1235484)
   Call: (234) [system] peek_char((0x560c892e10d0), _1236418)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1241138, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1242070, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1249420)
   Call: (235) [system] peek_char((0x560c892e10d0), _1250354)
   Exit: (235) [system] peek_char((0x560c892e10d0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1255074, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1256006, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x560c892e10d0), r)
   Exit: (235) [system] get_char((0x560c892e10d0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1263356)
   Call: (236) [system] peek_char((0x560c892e10d0), _1264290)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1269010, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1269942, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1277292)
   Call: (237) [system] peek_char((0x560c892e10d0), _1278226)
   Exit: (237) [system] peek_char((0x560c892e10d0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1282946, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1283878, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x560c892e10d0), d)
   Exit: (237) [system] get_char((0x560c892e10d0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1291228)
   Call: (238) [system] peek_char((0x560c892e10d0), _1292162)
   Exit: (238) [system] peek_char((0x560c892e10d0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1296882, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1297814, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x560c892e10d0), u)
   Exit: (238) [system] get_char((0x560c892e10d0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1305164)
   Call: (239) [system] peek_char((0x560c892e10d0), _1306098)
   Exit: (239) [system] peek_char((0x560c892e10d0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1310818, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1311750, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x560c892e10d0), c)
   Exit: (239) [system] get_char((0x560c892e10d0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1319100)
   Call: (240) [system] peek_char((0x560c892e10d0), _1320034)
   Exit: (240) [system] peek_char((0x560c892e10d0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1324754, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1325686, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x560c892e10d0), t)
   Exit: (240) [system] get_char((0x560c892e10d0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1333036)
   Call: (241) [system] peek_char((0x560c892e10d0), _1333970)
   Exit: (241) [system] peek_char((0x560c892e10d0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1338690, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1339622, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x560c892e10d0), i)
   Exit: (241) [system] get_char((0x560c892e10d0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1346972)
   Call: (242) [system] peek_char((0x560c892e10d0), _1347906)
   Exit: (242) [system] peek_char((0x560c892e10d0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1352626, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1353558, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x560c892e10d0), o)
   Exit: (242) [system] get_char((0x560c892e10d0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1360908)
   Call: (243) [system] peek_char((0x560c892e10d0), _1361842)
   Exit: (243) [system] peek_char((0x560c892e10d0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1366562, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1367494, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x560c892e10d0), n)
   Exit: (243) [system] get_char((0x560c892e10d0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1374844)
   Call: (244) [system] peek_char((0x560c892e10d0), _1375778)
   Exit: (244) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1374844=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (243) [system] _1360908=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (242) [system] _1346972=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (241) [system] _1333036=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (240) [system] _1319100=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (239) [system] _1305164=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (238) [system] _1291228=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (237) [system] _1277292=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (236) [system] _1263356=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1249420=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1235484=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1221548=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1207612=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1193676=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1179740=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1165804=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1151868=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1137932=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1123996=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1110060=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1096124=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1082188=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1068252=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1032742)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1447482, _1447484), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530), _1447464, fail)), '$restore_trace'(_1447482, _1447484))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1447482, _1447484))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530), _1447464, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1446530)
   Fail: (223) [system] atomic(_1446530)
   Call: (223) [system] atom_chars(_1446530, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _1032742='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1461480)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1463338)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1472932)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1475636)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1492570)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
   Call: (220) [system] c=')'
   Fail: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1498140)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1499998)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1516008)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c='('
   Fail: (221) [system] c='('
   Call: (221) [system] c='['
   Fail: (221) [system] c='['
   Call: (221) [system] c='{'
   Fail: (221) [system] c='{'
   Call: (221) [system] c='"'
   Fail: (221) [system] c='"'
   Call: (221) [system] c=!
   Fail: (221) [system] c=!
   Call: (221) [system] c='\''
   Fail: (221) [system] c='\''
   Call: (221) [system] c='`'
   Fail: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), c, _1498140)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1533650)
   Call: (223) [system] peek_char((0x560c892e10d0), _1534584)
   Exit: (223) [system] peek_char((0x560c892e10d0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1539304, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1540236, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x560c892e10d0), d)
   Exit: (223) [system] get_char((0x560c892e10d0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1547586)
   Call: (224) [system] peek_char((0x560c892e10d0), _1548520)
   Exit: (224) [system] peek_char((0x560c892e10d0), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Fail: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_1553240, v('(', ')', end_of_file), e)
   Fail: (225) [system] arg(_1554172, v('(', ')', end_of_file), e)
^  Fail: (224) [user] is_delimiter(e)
   Call: (224) [system] ')'==e
   Fail: (224) [system] ')'==e
   Call: (224) [system] get_char((0x560c892e10d0), e)
   Exit: (224) [system] get_char((0x560c892e10d0), e)
   Call: (224) [system] e=(\)
   Fail: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561522)
   Call: (225) [system] peek_char((0x560c892e10d0), _1562456)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1561522=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1547586=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (223) [system] _1533650=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (222) [user] classify_and_convert_charseq([c, d, e], _1498140)
^  Call: (223) [user] classify_and_convert_charseq_([c, d, e], _1577328)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1578280, _1578282), once(user:catch(read_from_chars([c, d, e], _1577328), _1578262, fail)), '$restore_trace'(_1578280, _1578282))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1578280, _1578282))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1578262, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (223) [system] integer(cde)
   Fail: (223) [system] integer(cde)
   Call: (223) [system] _1498140=cde
   Exit: (223) [system] cde=cde
^  Exit: (222) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1590408)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1592266)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1601860)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1604564)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1621498)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1627068)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1628926)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1644936)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), c, _1627068)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1662578)
   Call: (224) [system] peek_char((0x560c892e10d0), _1663512)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1668232, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1669164, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1676514)
   Call: (225) [system] peek_char((0x560c892e10d0), _1677448)
   Exit: (225) [system] peek_char((0x560c892e10d0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_1682168, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_1683100, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x560c892e10d0), e)
   Exit: (225) [system] get_char((0x560c892e10d0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1690450)
   Call: (226) [system] peek_char((0x560c892e10d0), _1691384)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1696104, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1690450=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _1676514=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (224) [system] _1662578=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _1627068)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _1708128)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1709080, _1709082), once(user:catch(read_from_chars([c, d, e], _1708128), _1709062, fail)), '$restore_trace'(_1709080, _1709082))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1709080, _1709082))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1709062, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _1627068=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1721208)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1723066)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1739076)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _1742866)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _1721208=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _1590408=[cde]
   Exit: (221) [system] [cde]=[cde]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (220) [system] _1461480=[cde, cde]
   Exit: (220) [system] [cde, cde]=[cde, cde]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [cde, cde])
   Call: (219) [system] _987724=['DisjunctionIntroduction', cde, cde]
   Exit: (219) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, cde])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1756748)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1758606)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1768200)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1770904)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1787838)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1793408)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1795266)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1811276)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1793408)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1816846)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1832856)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1838426)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1840284)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1856294)
   Exit: (221) [system] get_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1838426)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873936)
   Call: (223) [system] peek_char((0x560c892e10d0), _1874870)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1879590, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1880522, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1887872)
   Call: (224) [system] peek_char((0x560c892e10d0), _1888806)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1893526, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1894458, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x560c892e10d0), 'L')
   Exit: (224) [system] get_char((0x560c892e10d0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1901808)
   Call: (225) [system] peek_char((0x560c892e10d0), _1902742)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1907462, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1908394, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1915744)
   Call: (226) [system] peek_char((0x560c892e10d0), _1916678)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1921398, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1922330, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1929680)
   Call: (227) [system] peek_char((0x560c892e10d0), _1930614)
   Exit: (227) [system] peek_char((0x560c892e10d0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1935334, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1936266, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x560c892e10d0), k)
   Exit: (227) [system] get_char((0x560c892e10d0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1943616)
   Call: (228) [system] peek_char((0x560c892e10d0), _1944550)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1943616=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1929680=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (226) [system] _1915744=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (225) [system] _1901808=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (224) [system] _1887872=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (223) [system] _1873936=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1838426)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1967804)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1968756, _1968758), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1967804), _1968738, fail)), '$restore_trace'(_1968756, _1968758))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1968756, _1968758))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1967804), _1968738, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1967804)
   Fail: (224) [system] atomic(_1967804)
   Call: (224) [system] atom_chars(_1967804, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _1838426='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1982754)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1984612)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1994206)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1996910)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2013844)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _2019414)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _2021272)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _2037282)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _2019414)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _2042852)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _2058862)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _2064432)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2066290)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _2082300)
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', _5798)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _8948)
   Call: (226) [system] peek_char((0x560c892e10d0), _9882)
   Exit: (226) [system] peek_char((0x560c892e10d0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_14602, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_15534, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x560c892e10d0), m)
   Exit: (226) [system] get_char((0x560c892e10d0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _22884)
   Call: (227) [system] peek_char((0x560c892e10d0), _23818)
   Exit: (227) [system] peek_char((0x560c892e10d0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_28538, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_29470, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x560c892e10d0), p)
   Exit: (227) [system] get_char((0x560c892e10d0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _36820)
   Call: (228) [system] peek_char((0x560c892e10d0), _37754)
   Exit: (228) [system] peek_char((0x560c892e10d0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_42474, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_43406, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x560c892e10d0), l)
   Exit: (228) [system] get_char((0x560c892e10d0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _50756)
   Call: (229) [system] peek_char((0x560c892e10d0), _51690)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_56410, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_57342, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _64692)
   Call: (230) [system] peek_char((0x560c892e10d0), _65626)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_70346, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_71278, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _78628)
   Call: (231) [system] peek_char((0x560c892e10d0), _79562)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_84282, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_85214, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x560c892e10d0), a)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _92564)
   Call: (232) [system] peek_char((0x560c892e10d0), _93498)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_98218, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_99150, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _106500)
   Call: (233) [system] peek_char((0x560c892e10d0), _107434)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_112154, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_113086, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _120436)
   Call: (234) [system] peek_char((0x560c892e10d0), _121370)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_126090, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_127022, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _134372)
   Call: (235) [system] peek_char((0x560c892e10d0), _135306)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_140026, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_140958, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _148308)
   Call: (236) [system] peek_char((0x560c892e10d0), _149242)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _148308=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _134372=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _120436=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _106500=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _92564=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _78628=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (230) [system] _64692=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (229) [system] _50756=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (228) [system] _36820=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _22884=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _8948=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5798)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _186466)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_187418, _187420), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _186466), _187400, fail)), '$restore_trace'(_187418, _187420))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_187418, _187420))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _186466), _187400, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_186466)
   Fail: (227) [system] atomic(_186466)
   Call: (227) [system] atom_chars(_186466, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _5798='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _201416)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _203274)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _212868)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _215572)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _232506)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _238076)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _239934)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _255944)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _238076)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _261514)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _277524)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _283094)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _284952)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _300962)
   Exit: (227) [system] get_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'O', _283094)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _318604)
   Call: (229) [system] peek_char((0x560c892e10d0), _319538)
   Exit: (229) [system] peek_char((0x560c892e10d0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_324258, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_325190, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x560c892e10d0), r)
   Exit: (229) [system] get_char((0x560c892e10d0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _332540)
   Call: (230) [system] peek_char((0x560c892e10d0), _333474)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_338194, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_339126, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x560c892e10d0), 'L')
   Exit: (230) [system] get_char((0x560c892e10d0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _346476)
   Call: (231) [system] peek_char((0x560c892e10d0), _347410)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_352130, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_353062, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _360412)
   Call: (232) [system] peek_char((0x560c892e10d0), _361346)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_366066, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_366998, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _374348)
   Call: (233) [system] peek_char((0x560c892e10d0), _375282)
   Exit: (233) [system] peek_char((0x560c892e10d0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_380002, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_380934, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x560c892e10d0), k)
   Exit: (233) [system] get_char((0x560c892e10d0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _388284)
   Call: (234) [system] peek_char((0x560c892e10d0), _389218)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _388284=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _374348=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (232) [system] _360412=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (231) [system] _346476=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (230) [system] _332540=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (229) [system] _318604=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _283094)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _412472)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_413424, _413426), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _412472), _413406, fail)), '$restore_trace'(_413424, _413426))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_413424, _413426))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _412472), _413406, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_412472)
   Fail: (230) [system] atomic(_412472)
   Call: (230) [system] atom_chars(_412472, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _283094='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _427422)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _429280)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _438874)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _441578)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _458512)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _464082)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _465940)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _481950)
   Exit: (228) [system] get_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'C', _464082)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _499592)
   Call: (230) [system] peek_char((0x560c892e10d0), _500526)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _499592=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['C'], _464082)
^  Call: (230) [user] classify_and_convert_charseq_(['C'], _509810)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_510762, _510764), once(user:catch(read_from_chars(['C'], _509810), _510744, fail)), '$restore_trace'(_510762, _510764))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_510762, _510764))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _509810), _510744, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_509810)
   Fail: (231) [system] atomic(_509810)
   Call: (231) [system] atom_chars(_509810, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (230) [system] integer('C')
   Fail: (230) [system] integer('C')
   Call: (230) [system] _464082='C'
   Exit: (230) [system] 'C'='C'
^  Exit: (229) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _524760)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _526618)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _536212)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _538916)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _555850)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _561420)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _563278)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _579288)
   Exit: (229) [system] get_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'D', _561420)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _596930)
   Call: (231) [system] peek_char((0x560c892e10d0), _597864)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_602584, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _596930=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['D'], _561420)
^  Call: (231) [user] classify_and_convert_charseq_(['D'], _609020)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_609972, _609974), once(user:catch(read_from_chars(['D'], _609020), _609954, fail)), '$restore_trace'(_609972, _609974))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_609972, _609974))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _609020), _609954, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_609020)
   Fail: (232) [system] atomic(_609020)
   Call: (232) [system] atom_chars(_609020, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (231) [system] integer('D')
   Fail: (231) [system] integer('D')
   Call: (231) [system] _561420='D'
   Exit: (231) [system] 'D'='D'
^  Exit: (230) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _623970)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _625828)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _641838)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _645628)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _623970=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _524760=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (227) [system] _427422=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (226) [system] _238076=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _659510)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _661368)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _670962)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _673666)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _690600)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'=')'
   Fail: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _696170)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _698028)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _714038)
   Exit: (226) [system] get_char((0x560c892e10d0), 'E')
   Call: (226) [system] 'E'='('
   Fail: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Fail: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Fail: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Fail: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Fail: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Fail: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Fail: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'E', _696170)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _731680)
   Call: (228) [system] peek_char((0x560c892e10d0), _732614)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_737334, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _731680=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['E'], _696170)
^  Call: (228) [user] classify_and_convert_charseq_(['E'], _743770)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_744722, _744724), once(user:catch(read_from_chars(['E'], _743770), _744704, fail)), '$restore_trace'(_744722, _744724))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_744722, _744724))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _743770), _744704, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_743770)
   Fail: (229) [system] atomic(_743770)
   Call: (229) [system] atom_chars(_743770, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (228) [system] integer('E')
   Fail: (228) [system] integer('E')
   Call: (228) [system] _696170='E'
   Exit: (228) [system] 'E'='E'
^  Exit: (227) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _758720)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _760578)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _776588)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _780378)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _758720=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _659510=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (224) [system] _201416=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _5792=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _794260)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _796118)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _805712)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _808416)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _825350)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _830920)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _832778)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _848788)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _830920)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _854358)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _870368)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _875938)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _877796)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _893806)
   Exit: (225) [system] get_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'I', _875938)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _911448)
   Call: (227) [system] peek_char((0x560c892e10d0), _912382)
   Exit: (227) [system] peek_char((0x560c892e10d0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_917102, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_918034, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x560c892e10d0), m)
   Exit: (227) [system] get_char((0x560c892e10d0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _925384)
   Call: (228) [system] peek_char((0x560c892e10d0), _926318)
   Exit: (228) [system] peek_char((0x560c892e10d0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_931038, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_931970, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x560c892e10d0), p)
   Exit: (228) [system] get_char((0x560c892e10d0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _939320)
   Call: (229) [system] peek_char((0x560c892e10d0), _940254)
   Exit: (229) [system] peek_char((0x560c892e10d0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_944974, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_945906, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x560c892e10d0), l)
   Exit: (229) [system] get_char((0x560c892e10d0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _953256)
   Call: (230) [system] peek_char((0x560c892e10d0), _954190)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_958910, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_959842, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _967192)
   Call: (231) [system] peek_char((0x560c892e10d0), _968126)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_972846, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_973778, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _981128)
   Call: (232) [system] peek_char((0x560c892e10d0), _982062)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_986782, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_987714, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x560c892e10d0), a)
   Exit: (232) [system] get_char((0x560c892e10d0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _995064)
   Call: (233) [system] peek_char((0x560c892e10d0), _995998)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1000718, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1001650, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1009000)
   Call: (234) [system] peek_char((0x560c892e10d0), _1009934)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1014654, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1015586, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1022936)
   Call: (235) [system] peek_char((0x560c892e10d0), _1023870)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1028590, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1029522, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1036872)
   Call: (236) [system] peek_char((0x560c892e10d0), _1037806)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1042526, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1043458, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1050808)
   Call: (237) [system] peek_char((0x560c892e10d0), _1051742)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1050808=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _1036872=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (235) [system] _1022936=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (234) [system] _1009000=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (233) [system] _995064=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (232) [system] _981128=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (231) [system] _967192=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (230) [system] _953256=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (229) [system] _939320=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _925384=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _911448=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _875938)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1088966)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1089918, _1089920), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1088966), _1089900, fail)), '$restore_trace'(_1089918, _1089920))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1089918, _1089920))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1088966), _1089900, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1088966)
   Fail: (228) [system] atomic(_1088966)
   Call: (228) [system] atom_chars(_1088966, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _875938='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1103916)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1105774)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1115368)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1118072)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1135006)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1140576)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1142434)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1158444)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1140576)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1164014)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1180024)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1185594)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1187452)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1203462)
   Exit: (228) [system] get_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1185594)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1221104)
   Call: (230) [system] peek_char((0x560c892e10d0), _1222038)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1226758, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_1227690, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1235040)
   Call: (231) [system] peek_char((0x560c892e10d0), _1235974)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1240694, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1241626, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1248976)
   Call: (232) [system] peek_char((0x560c892e10d0), _1249910)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1254630, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1255562, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1262912)
   Call: (233) [system] peek_char((0x560c892e10d0), _1263846)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1268566, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1269498, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1276848)
   Call: (234) [system] peek_char((0x560c892e10d0), _1277782)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1282502, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1283434, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1290784)
   Call: (235) [system] peek_char((0x560c892e10d0), _1291718)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1290784=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1276848=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _1262912=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _1248976=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _1235040=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _1221104=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1185594)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1314972)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1315924, _1315926), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1314972), _1315906, fail)), '$restore_trace'(_1315924, _1315926))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1315924, _1315926))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1314972), _1315906, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1314972)
   Fail: (231) [system] atomic(_1314972)
   Call: (231) [system] atom_chars(_1314972, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _1185594='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1329922)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1331780)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1341374)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1344078)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1361012)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1366582)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1368440)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1384450)
   Exit: (229) [system] get_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1366582)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1402092)
   Call: (231) [system] peek_char((0x560c892e10d0), _1403026)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1402092=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _1366582)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _1412310)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1413262, _1413264), once(user:catch(read_from_chars(['C'], _1412310), _1413244, fail)), '$restore_trace'(_1413262, _1413264))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1413262, _1413264))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1412310), _1413244, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1412310)
   Fail: (232) [system] atomic(_1412310)
   Call: (232) [system] atom_chars(_1412310, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _1366582='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1427260)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1429118)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _1438712)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1441416)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1458350)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1463920)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1465778)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1481788)
   Exit: (230) [system] get_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1463920)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499430)
   Call: (232) [system] peek_char((0x560c892e10d0), _1500364)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1505084, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1499430=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _1463920)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _1511520)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1512472, _1512474), once(user:catch(read_from_chars(['D'], _1511520), _1512454, fail)), '$restore_trace'(_1512472, _1512474))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1512472, _1512474))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1511520), _1512454, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1511520)
   Fail: (233) [system] atomic(_1511520)
   Call: (233) [system] atom_chars(_1511520, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _1463920='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1526470)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1528328)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1544338)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _1548128)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _1526470=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _1427260=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (228) [system] _1329922=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (227) [system] _1140576=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1562010)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1563868)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1573462)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1576166)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1593100)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1598670)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1600528)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1616538)
   Exit: (227) [system] get_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1598670)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1634180)
   Call: (229) [system] peek_char((0x560c892e10d0), _1635114)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1639834, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1634180=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _1598670)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _1646270)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1647222, _1647224), once(user:catch(read_from_chars(['E'], _1646270), _1647204, fail)), '$restore_trace'(_1647222, _1647224))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1647222, _1647224))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1646270), _1647204, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1646270)
   Fail: (230) [system] atomic(_1646270)
   Call: (230) [system] atom_chars(_1646270, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _1598670='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1661220)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1663078)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1679088)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1682878)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1661220=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1562010=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (225) [system] _1103916=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _830920=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1696760)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1698618)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1714628)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1718418)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1696760=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _794260=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _5788=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (220) [system] _5780=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (220) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1732300)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1734158)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1750168)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _1753958)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _1732300=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _5776=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _5752=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (216) [system] _5744=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1767840)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1769698)
   Exit: (216) [system] peek_char((0x560c892e10d0), '\n')
   Call: (216) [system] '\n'=(;)
   Fail: (216) [system] '\n'=(;)
   Call: (216) [system] '\n'=(/)
   Fail: (216) [system] '\n'=(/)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Fail: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x560c892e10d0), _1781148)
   Exit: (216) [system] get_char((0x560c892e10d0), '\n')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1783852)
   Exit: (217) [system] peek_char((0x560c892e10d0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x560c892e10d0), _1793446)
   Exit: (217) [system] get_char((0x560c892e10d0), '\t')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1796150)
   Exit: (218) [system] peek_char((0x560c892e10d0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x560c892e10d0), _1805744)
   Exit: (218) [system] get_char((0x560c892e10d0), '\t')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1808448)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1818042)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1820746)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1840452)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1846022)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1847880)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1863890)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1846022)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1869460)
   Exit: (218) [system] peek_char((0x560c892e10d0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1885470)
   Exit: (217) [system] peek_char((0x560c892e10d0), :)
   Call: (217) [system] (:)=')'
   Fail: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1891040)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1892898)
   Exit: (219) [system] peek_char((0x560c892e10d0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1908908)
   Exit: (218) [system] get_char((0x560c892e10d0), :)
   Call: (218) [system] (:)='('
   Fail: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Fail: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Fail: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Fail: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Fail: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Fail: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Fail: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), :, _1891040)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1926550)
   Call: (220) [system] peek_char((0x560c892e10d0), _1927484)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1926550=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq([:], _1891040)
^  Call: (220) [user] classify_and_convert_charseq_([:], _1936768)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1937720, _1937722), once(user:catch(read_from_chars([:], _1936768), _1937702, fail)), '$restore_trace'(_1937720, _1937722))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1937720, _1937722))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1937702, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq_([:], :)
   Call: (220) [system] integer(:)
   Fail: (220) [system] integer(:)
   Call: (220) [system] _1891040=(:)
   Exit: (220) [system] (:)=(:)
^  Exit: (219) [user] classify_and_convert_charseq([:], :)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1949848)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1951706)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1961300)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1964004)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1980938)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1986508)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1988366)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _2004376)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1986508)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2009946)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2025956)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _2031526)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2033384)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _2049394)
   Exit: (221) [system] get_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'D', _2031526)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2067036)
   Call: (223) [system] peek_char((0x560c892e10d0), _2067970)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_2072690, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_2073622, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2080972)
   Call: (224) [system] peek_char((0x560c892e10d0), _2081906)
   Exit: (224) [system] peek_char((0x560c892e10d0), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_2086626, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_2087558, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x560c892e10d0), s)
   Exit: (224) [system] get_char((0x560c892e10d0), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2094908)
   Call: (225) [system] peek_char((0x560c892e10d0), _2095842)
   Exit: (225) [system] peek_char((0x560c892e10d0), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_9632, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_10564, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x560c892e10d0), j)
   Exit: (225) [system] get_char((0x560c892e10d0), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _17914)
   Call: (226) [system] peek_char((0x560c892e10d0), _18848)
   Exit: (226) [system] peek_char((0x560c892e10d0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_23568, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_24500, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x560c892e10d0), u)
   Exit: (226) [system] get_char((0x560c892e10d0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _31850)
   Call: (227) [system] peek_char((0x560c892e10d0), _32784)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_37504, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_38436, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _45786)
   Call: (228) [system] peek_char((0x560c892e10d0), _46720)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_51440, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_52372, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _59722)
   Call: (229) [system] peek_char((0x560c892e10d0), _60656)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_65376, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_66308, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _73658)
   Call: (230) [system] peek_char((0x560c892e10d0), _74592)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_79312, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_80244, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _87594)
   Call: (231) [system] peek_char((0x560c892e10d0), _88528)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_93248, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_94180, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _101530)
   Call: (232) [system] peek_char((0x560c892e10d0), _102464)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_107184, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_108116, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _115466)
   Call: (233) [system] peek_char((0x560c892e10d0), _116400)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_121120, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_122052, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x560c892e10d0), 'I')
   Exit: (233) [system] get_char((0x560c892e10d0), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _129402)
   Call: (234) [system] peek_char((0x560c892e10d0), _130336)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_135056, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_135988, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _143338)
   Call: (235) [system] peek_char((0x560c892e10d0), _144272)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_148992, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_149924, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _157274)
   Call: (236) [system] peek_char((0x560c892e10d0), _158208)
   Exit: (236) [system] peek_char((0x560c892e10d0), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_162928, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_163860, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x560c892e10d0), r)
   Exit: (236) [system] get_char((0x560c892e10d0), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _171210)
   Call: (237) [system] peek_char((0x560c892e10d0), _172144)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_176864, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_177796, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _185146)
   Call: (238) [system] peek_char((0x560c892e10d0), _186080)
   Exit: (238) [system] peek_char((0x560c892e10d0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_190800, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_191732, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x560c892e10d0), d)
   Exit: (238) [system] get_char((0x560c892e10d0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _199082)
   Call: (239) [system] peek_char((0x560c892e10d0), _200016)
   Exit: (239) [system] peek_char((0x560c892e10d0), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_204736, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_205668, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x560c892e10d0), u)
   Exit: (239) [system] get_char((0x560c892e10d0), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _213018)
   Call: (240) [system] peek_char((0x560c892e10d0), _213952)
   Exit: (240) [system] peek_char((0x560c892e10d0), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_218672, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_219604, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x560c892e10d0), c)
   Exit: (240) [system] get_char((0x560c892e10d0), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _226954)
   Call: (241) [system] peek_char((0x560c892e10d0), _227888)
   Exit: (241) [system] peek_char((0x560c892e10d0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_232608, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_233540, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x560c892e10d0), t)
   Exit: (241) [system] get_char((0x560c892e10d0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _240890)
   Call: (242) [system] peek_char((0x560c892e10d0), _241824)
   Exit: (242) [system] peek_char((0x560c892e10d0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_246544, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_247476, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x560c892e10d0), i)
   Exit: (242) [system] get_char((0x560c892e10d0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _254826)
   Call: (243) [system] peek_char((0x560c892e10d0), _255760)
   Exit: (243) [system] peek_char((0x560c892e10d0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_260480, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_261412, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x560c892e10d0), o)
   Exit: (243) [system] get_char((0x560c892e10d0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _268762)
   Call: (244) [system] peek_char((0x560c892e10d0), _269696)
   Exit: (244) [system] peek_char((0x560c892e10d0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_274416, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_275348, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x560c892e10d0), n)
   Exit: (244) [system] get_char((0x560c892e10d0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _282698)
   Call: (245) [system] peek_char((0x560c892e10d0), _283632)
   Exit: (245) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _282698=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (244) [system] _268762=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (243) [system] _254826=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (242) [system] _240890=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (241) [system] _226954=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (240) [system] _213018=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (239) [system] _199082=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (238) [system] _185146=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (237) [system] _171210=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _157274=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _143338=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _129402=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _115466=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _101530=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _87594=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _73658=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _59722=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _45786=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _31850=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _17914=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5906=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5902=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5898=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5894)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_355336, _355338), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384), _355318, fail)), '$restore_trace'(_355336, _355338))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_355336, _355338))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384), _355318, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_354384)
   Fail: (224) [system] atomic(_354384)
   Call: (224) [system] atom_chars(_354384, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _5894='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _369334)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _371192)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _380786)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _383490)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _400424)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _405994)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _407852)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _423862)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), c, _405994)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _441504)
   Call: (224) [system] peek_char((0x560c892e10d0), _442438)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_447158, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_448090, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _455440)
   Call: (225) [system] peek_char((0x560c892e10d0), _456374)
   Exit: (225) [system] peek_char((0x560c892e10d0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_461094, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_462026, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x560c892e10d0), e)
   Exit: (225) [system] get_char((0x560c892e10d0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _469376)
   Call: (226) [system] peek_char((0x560c892e10d0), _470310)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _469376=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _455440=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (224) [system] _441504=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _405994)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _485182)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_486134, _486136), once(user:catch(read_from_chars([c, d, e], _485182), _486116, fail)), '$restore_trace'(_486134, _486136))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_486134, _486136))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _486116, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _405994=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _498262)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _500120)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _509714)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _512418)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _529352)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _534922)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _536780)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _552790)
   Exit: (223) [system] get_char((0x560c892e10d0), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), a, _534922)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _570432)
   Call: (225) [system] peek_char((0x560c892e10d0), _571366)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_576086, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _570432=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq([a], _534922)
^  Call: (225) [user] classify_and_convert_charseq_([a], _582522)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_583474, _583476), once(user:catch(read_from_chars([a], _582522), _583456, fail)), '$restore_trace'(_583474, _583476))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_583474, _583476))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _583456, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq_([a], a)
   Call: (225) [system] integer(a)
   Fail: (225) [system] integer(a)
   Call: (225) [system] _534922=a
   Exit: (225) [system] a=a
^  Exit: (224) [user] classify_and_convert_charseq([a], a)
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _595602)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _597460)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _613470)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _617260)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _595602=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _498262=[a]
   Exit: (222) [system] [a]=[a]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (221) [system] _369334=[cde, a]
   Exit: (221) [system] [cde, a]=[cde, a]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (220) [system] _5888=['DisjunctionIntroduction', cde, a]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _631142)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _633000)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _642594)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _645298)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _662232)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _667802)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _669660)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _685670)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _667802)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _691240)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _707250)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _712820)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _714678)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _730688)
   Exit: (222) [system] get_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', _712820)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _748330)
   Call: (224) [system] peek_char((0x560c892e10d0), _749264)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_753984, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_754916, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _762266)
   Call: (225) [system] peek_char((0x560c892e10d0), _763200)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_767920, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_768852, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x560c892e10d0), 'L')
   Exit: (225) [system] get_char((0x560c892e10d0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _776202)
   Call: (226) [system] peek_char((0x560c892e10d0), _777136)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_781856, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_782788, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _790138)
   Call: (227) [system] peek_char((0x560c892e10d0), _791072)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_795792, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_796724, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _804074)
   Call: (228) [system] peek_char((0x560c892e10d0), _805008)
   Exit: (228) [system] peek_char((0x560c892e10d0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_809728, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_810660, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x560c892e10d0), k)
   Exit: (228) [system] get_char((0x560c892e10d0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _818010)
   Call: (229) [system] peek_char((0x560c892e10d0), _818944)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _818010=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _804074=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (227) [system] _790138=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (226) [system] _776202=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (225) [system] _762266=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (224) [system] _748330=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _712820)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _842198)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_843150, _843152), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _842198), _843132, fail)), '$restore_trace'(_843150, _843152))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_843150, _843152))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _842198), _843132, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_842198)
   Fail: (225) [system] atomic(_842198)
   Call: (225) [system] atom_chars(_842198, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _712820='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _857148)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _859006)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _868600)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _871304)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _888238)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _893808)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _895666)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _911676)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _893808)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _917246)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _933256)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _938826)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _940684)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _956694)
   Exit: (225) [system] get_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'I', _938826)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _974336)
   Call: (227) [system] peek_char((0x560c892e10d0), _975270)
   Exit: (227) [system] peek_char((0x560c892e10d0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_979990, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_980922, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x560c892e10d0), m)
   Exit: (227) [system] get_char((0x560c892e10d0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _988272)
   Call: (228) [system] peek_char((0x560c892e10d0), _989206)
   Exit: (228) [system] peek_char((0x560c892e10d0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_993926, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_994858, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x560c892e10d0), p)
   Exit: (228) [system] get_char((0x560c892e10d0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1002208)
   Call: (229) [system] peek_char((0x560c892e10d0), _1003142)
   Exit: (229) [system] peek_char((0x560c892e10d0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_1007862, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_1008794, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x560c892e10d0), l)
   Exit: (229) [system] get_char((0x560c892e10d0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1016144)
   Call: (230) [system] peek_char((0x560c892e10d0), _1017078)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1021798, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1022730, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1030080)
   Call: (231) [system] peek_char((0x560c892e10d0), _1031014)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1035734, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1036666, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1044016)
   Call: (232) [system] peek_char((0x560c892e10d0), _1044950)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_1049670, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_1050602, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x560c892e10d0), a)
   Exit: (232) [system] get_char((0x560c892e10d0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1057952)
   Call: (233) [system] peek_char((0x560c892e10d0), _1058886)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1063606, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1064538, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1071888)
   Call: (234) [system] peek_char((0x560c892e10d0), _1072822)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1077542, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1078474, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1085824)
   Call: (235) [system] peek_char((0x560c892e10d0), _1086758)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1091478, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1092410, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1099760)
   Call: (236) [system] peek_char((0x560c892e10d0), _1100694)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1105414, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1106346, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1113696)
   Call: (237) [system] peek_char((0x560c892e10d0), _1114630)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1113696=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _1099760=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (235) [system] _1085824=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (234) [system] _1071888=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (233) [system] _1057952=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (232) [system] _1044016=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (231) [system] _1030080=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (230) [system] _1016144=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (229) [system] _1002208=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _988272=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _974336=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _938826)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1151854)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1152806, _1152808), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1151854), _1152788, fail)), '$restore_trace'(_1152806, _1152808))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1152806, _1152808))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1151854), _1152788, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1151854)
   Fail: (228) [system] atomic(_1151854)
   Call: (228) [system] atom_chars(_1151854, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _938826='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1166804)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1168662)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1178256)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1180960)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1197894)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1203464)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1205322)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1221332)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1203464)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1226902)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1242912)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1248482)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1250340)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1266350)
   Exit: (228) [system] get_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1248482)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1283992)
   Call: (230) [system] peek_char((0x560c892e10d0), _1284926)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1289646, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_1290578, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297928)
   Call: (231) [system] peek_char((0x560c892e10d0), _1298862)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1303582, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1304514, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1311864)
   Call: (232) [system] peek_char((0x560c892e10d0), _1312798)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1317518, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1318450, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325800)
   Call: (233) [system] peek_char((0x560c892e10d0), _1326734)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1331454, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1332386, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1339736)
   Call: (234) [system] peek_char((0x560c892e10d0), _1340670)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1345390, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1346322, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1353672)
   Call: (235) [system] peek_char((0x560c892e10d0), _1354606)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1353672=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1339736=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _1325800=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _1311864=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _1297928=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _1283992=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1248482)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1377860)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1378812, _1378814), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1377860), _1378794, fail)), '$restore_trace'(_1378812, _1378814))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1378812, _1378814))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1377860), _1378794, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1377860)
   Fail: (231) [system] atomic(_1377860)
   Call: (231) [system] atom_chars(_1377860, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _1248482='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1392810)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1394668)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1404262)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1406966)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1423900)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1429470)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1431328)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1447338)
   Exit: (229) [system] get_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1429470)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464980)
   Call: (231) [system] peek_char((0x560c892e10d0), _1465914)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1464980=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _1429470)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _1475198)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1476150, _1476152), once(user:catch(read_from_chars(['C'], _1475198), _1476132, fail)), '$restore_trace'(_1476150, _1476152))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1476150, _1476152))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1475198), _1476132, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1475198)
   Fail: (232) [system] atomic(_1475198)
   Call: (232) [system] atom_chars(_1475198, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _1429470='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1490148)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1492006)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _1501600)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1504304)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1521238)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1526808)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1528666)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1544676)
   Exit: (230) [system] get_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1526808)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1562318)
   Call: (232) [system] peek_char((0x560c892e10d0), _1563252)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1567972, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1562318=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _1526808)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _1574408)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1575360, _1575362), once(user:catch(read_from_chars(['D'], _1574408), _1575342, fail)), '$restore_trace'(_1575360, _1575362))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1575360, _1575362))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1574408), _1575342, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1574408)
   Fail: (233) [system] atomic(_1574408)
   Call: (233) [system] atom_chars(_1574408, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _1526808='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1589358)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1591216)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1607226)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _1611016)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _1589358=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _1490148=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (228) [system] _1392810=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (227) [system] _1203464=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1624898)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1626756)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1636350)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1639054)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1655988)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1661558)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1663416)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1679426)
   Exit: (227) [system] get_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1661558)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697068)
   Call: (229) [system] peek_char((0x560c892e10d0), _1698002)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1702722, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1697068=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _1661558)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _1709158)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1710110, _1710112), once(user:catch(read_from_chars(['E'], _1709158), _1710092, fail)), '$restore_trace'(_1710110, _1710112))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1710110, _1710112))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1709158), _1710092, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1709158)
   Fail: (230) [system] atomic(_1709158)
   Call: (230) [system] atom_chars(_1709158, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _1661558='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1724108)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1725966)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1741976)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1745766)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1724108=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1624898=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (225) [system] _1166804=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _893808=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1759648)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1761506)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1771100)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1773804)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1790738)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1796308)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1798166)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1814176)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1796308)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1831818)
   Call: (226) [system] peek_char((0x560c892e10d0), _1832752)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1837472, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1831818=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _1796308)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _1843908)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1844860, _1844862), once(user:catch(read_from_chars(['A'], _1843908), _1844842, fail)), '$restore_trace'(_1844860, _1844862))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1844860, _1844862))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1843908), _1844842, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1843908)
   Fail: (227) [system] atomic(_1843908)
   Call: (227) [system] atom_chars(_1843908, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _1796308='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1858858)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1860716)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1876726)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1880516)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1858858=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _1759648=['A']
   Exit: (223) [system] ['A']=['A']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (222) [system] _857148=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (221) [system] _667802=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1894398)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1896256)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1912266)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1916056)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1894398=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _631142=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (218) [system] _5884=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (217) [system] _5876=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1929938)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1931796)
   Exit: (217) [system] peek_char((0x560c892e10d0), '\n')
   Call: (217) [system] '\n'=(;)
   Fail: (217) [system] '\n'=(;)
   Call: (217) [system] '\n'=(/)
   Fail: (217) [system] '\n'=(/)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Fail: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x560c892e10d0), _1943246)
   Exit: (217) [system] get_char((0x560c892e10d0), '\n')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1945950)
   Exit: (218) [system] peek_char((0x560c892e10d0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x560c892e10d0), _1955544)
   Exit: (218) [system] get_char((0x560c892e10d0), '\t')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1958248)
   Exit: (219) [system] peek_char((0x560c892e10d0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x560c892e10d0), _1967842)
   Exit: (219) [system] get_char((0x560c892e10d0), '\t')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1970546)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1980140)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1982844)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2002550)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2008120)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2009978)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _2025988)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _2008120)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2031558)
   Exit: (219) [system] peek_char((0x560c892e10d0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2047568)
   Exit: (218) [system] peek_char((0x560c892e10d0), :)
   Call: (218) [system] (:)=')'
   Fail: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _2053138)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2054996)
   Exit: (220) [system] peek_char((0x560c892e10d0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _2071006)
   Exit: (219) [system] get_char((0x560c892e10d0), :)
   Call: (219) [system] (:)='('
   Fail: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Fail: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Fail: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Fail: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Fail: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Fail: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Fail: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), :, _2053138)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088648)
   Call: (221) [system] peek_char((0x560c892e10d0), _2089582)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _2088648=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq([:], _5978)
^  Call: (221) [user] classify_and_convert_charseq_([:], _7818)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_8770, _8772), once(user:catch(read_from_chars([:], _7818), _8752, fail)), '$restore_trace'(_8770, _8772))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_8770, _8772))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _8752, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq_([:], :)
   Call: (221) [system] integer(:)
   Fail: (221) [system] integer(:)
   Call: (221) [system] _5978=(:)
   Exit: (221) [system] (:)=(:)
^  Exit: (220) [user] classify_and_convert_charseq([:], :)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _20898)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _22756)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _32350)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _35054)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _51988)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _57558)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _59416)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _75426)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _57558)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _80996)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _97006)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _102576)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _104434)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _120444)
   Exit: (222) [system] get_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', _102576)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _138086)
   Call: (224) [system] peek_char((0x560c892e10d0), _139020)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_143740, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_144672, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _152022)
   Call: (225) [system] peek_char((0x560c892e10d0), _152956)
   Exit: (225) [system] peek_char((0x560c892e10d0), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_157676, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_158608, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x560c892e10d0), s)
   Exit: (225) [system] get_char((0x560c892e10d0), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _165958)
   Call: (226) [system] peek_char((0x560c892e10d0), _166892)
   Exit: (226) [system] peek_char((0x560c892e10d0), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_171612, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_172544, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x560c892e10d0), j)
   Exit: (226) [system] get_char((0x560c892e10d0), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _179894)
   Call: (227) [system] peek_char((0x560c892e10d0), _180828)
   Exit: (227) [system] peek_char((0x560c892e10d0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_185548, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_186480, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x560c892e10d0), u)
   Exit: (227) [system] get_char((0x560c892e10d0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _193830)
   Call: (228) [system] peek_char((0x560c892e10d0), _194764)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_199484, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_200416, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _207766)
   Call: (229) [system] peek_char((0x560c892e10d0), _208700)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_213420, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_214352, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _221702)
   Call: (230) [system] peek_char((0x560c892e10d0), _222636)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_227356, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_228288, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _235638)
   Call: (231) [system] peek_char((0x560c892e10d0), _236572)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_241292, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_242224, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _249574)
   Call: (232) [system] peek_char((0x560c892e10d0), _250508)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_255228, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_256160, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _263510)
   Call: (233) [system] peek_char((0x560c892e10d0), _264444)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_269164, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_270096, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _277446)
   Call: (234) [system] peek_char((0x560c892e10d0), _278380)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_283100, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_284032, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x560c892e10d0), 'I')
   Exit: (234) [system] get_char((0x560c892e10d0), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _291382)
   Call: (235) [system] peek_char((0x560c892e10d0), _292316)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_297036, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_297968, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _305318)
   Call: (236) [system] peek_char((0x560c892e10d0), _306252)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_310972, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_311904, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _319254)
   Call: (237) [system] peek_char((0x560c892e10d0), _320188)
   Exit: (237) [system] peek_char((0x560c892e10d0), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_324908, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_325840, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x560c892e10d0), r)
   Exit: (237) [system] get_char((0x560c892e10d0), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _333190)
   Call: (238) [system] peek_char((0x560c892e10d0), _334124)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_338844, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_339776, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _347126)
   Call: (239) [system] peek_char((0x560c892e10d0), _348060)
   Exit: (239) [system] peek_char((0x560c892e10d0), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_352780, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_353712, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x560c892e10d0), d)
   Exit: (239) [system] get_char((0x560c892e10d0), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _361062)
   Call: (240) [system] peek_char((0x560c892e10d0), _361996)
   Exit: (240) [system] peek_char((0x560c892e10d0), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_366716, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_367648, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x560c892e10d0), u)
   Exit: (240) [system] get_char((0x560c892e10d0), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _374998)
   Call: (241) [system] peek_char((0x560c892e10d0), _375932)
   Exit: (241) [system] peek_char((0x560c892e10d0), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_380652, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_381584, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x560c892e10d0), c)
   Exit: (241) [system] get_char((0x560c892e10d0), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _388934)
   Call: (242) [system] peek_char((0x560c892e10d0), _389868)
   Exit: (242) [system] peek_char((0x560c892e10d0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_394588, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_395520, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x560c892e10d0), t)
   Exit: (242) [system] get_char((0x560c892e10d0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _402870)
   Call: (243) [system] peek_char((0x560c892e10d0), _403804)
   Exit: (243) [system] peek_char((0x560c892e10d0), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_408524, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_409456, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x560c892e10d0), i)
   Exit: (243) [system] get_char((0x560c892e10d0), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _416806)
   Call: (244) [system] peek_char((0x560c892e10d0), _417740)
   Exit: (244) [system] peek_char((0x560c892e10d0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_422460, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_423392, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x560c892e10d0), o)
   Exit: (244) [system] get_char((0x560c892e10d0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _430742)
   Call: (245) [system] peek_char((0x560c892e10d0), _431676)
   Exit: (245) [system] peek_char((0x560c892e10d0), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_436396, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_437328, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x560c892e10d0), n)
   Exit: (245) [system] get_char((0x560c892e10d0), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _444678)
   Call: (246) [system] peek_char((0x560c892e10d0), _445612)
   Exit: (246) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _444678=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (245) [system] _430742=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (244) [system] _416806=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (243) [system] _402870=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (242) [system] _388934=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (241) [system] _374998=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (240) [system] _361062=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (239) [system] _347126=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (238) [system] _333190=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _319254=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _305318=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _291382=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _277446=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _263510=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _249574=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _235638=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _221702=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _207766=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _193830=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _179894=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _165958=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _152022=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _138086=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _102576)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_517316, _517318), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364), _517298, fail)), '$restore_trace'(_517316, _517318))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_517316, _517318))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364), _517298, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_516364)
   Fail: (225) [system] atomic(_516364)
   Call: (225) [system] atom_chars(_516364, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _102576='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _531314)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _533172)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _542766)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _545470)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _562404)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _567974)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _569832)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _585842)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), c, _567974)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _603484)
   Call: (225) [system] peek_char((0x560c892e10d0), _604418)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_609138, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_610070, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _617420)
   Call: (226) [system] peek_char((0x560c892e10d0), _618354)
   Exit: (226) [system] peek_char((0x560c892e10d0), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_623074, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_624006, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x560c892e10d0), e)
   Exit: (226) [system] get_char((0x560c892e10d0), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _631356)
   Call: (227) [system] peek_char((0x560c892e10d0), _632290)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _631356=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _617420=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (225) [system] _603484=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _567974)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _647162)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_648114, _648116), once(user:catch(read_from_chars([c, d, e], _647162), _648096, fail)), '$restore_trace'(_648114, _648116))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_648114, _648116))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _648096, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _567974=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _660242)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _662100)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _671694)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _674398)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _691332)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _696902)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _698760)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _714770)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), a, _696902)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _732412)
   Call: (226) [system] peek_char((0x560c892e10d0), _733346)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_738066, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _732412=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _696902)
^  Call: (226) [user] classify_and_convert_charseq_([a], _744502)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_745454, _745456), once(user:catch(read_from_chars([a], _744502), _745436, fail)), '$restore_trace'(_745454, _745456))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_745454, _745456))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _745436, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _696902=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _757582)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _759440)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _775450)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _779240)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _757582=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _660242=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (222) [system] _531314=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (221) [system] _57558=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _793122)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _794980)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _804574)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _807278)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _824212)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _829782)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _831640)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _847650)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _829782)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _853220)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _869230)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _874800)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _876658)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _892668)
   Exit: (223) [system] get_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', _874800)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _910310)
   Call: (225) [system] peek_char((0x560c892e10d0), _911244)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_915964, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_916896, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _924246)
   Call: (226) [system] peek_char((0x560c892e10d0), _925180)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_929900, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_930832, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x560c892e10d0), 'L')
   Exit: (226) [system] get_char((0x560c892e10d0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _938182)
   Call: (227) [system] peek_char((0x560c892e10d0), _939116)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_943836, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_944768, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _952118)
   Call: (228) [system] peek_char((0x560c892e10d0), _953052)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_957772, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_958704, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _966054)
   Call: (229) [system] peek_char((0x560c892e10d0), _966988)
   Exit: (229) [system] peek_char((0x560c892e10d0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_971708, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_972640, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x560c892e10d0), k)
   Exit: (229) [system] get_char((0x560c892e10d0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _979990)
   Call: (230) [system] peek_char((0x560c892e10d0), _980924)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _979990=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _966054=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (228) [system] _952118=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (227) [system] _938182=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (226) [system] _924246=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (225) [system] _910310=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _874800)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1004178)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1005130, _1005132), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1004178), _1005112, fail)), '$restore_trace'(_1005130, _1005132))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1005130, _1005132))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1004178), _1005112, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1004178)
   Fail: (226) [system] atomic(_1004178)
   Call: (226) [system] atom_chars(_1004178, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _874800='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1019128)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1020986)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1030580)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1033284)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1050218)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1055788)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1057646)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1073656)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1055788)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1079226)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1095236)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1100806)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1102664)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1118674)
   Exit: (226) [system] get_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1100806)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1136316)
   Call: (228) [system] peek_char((0x560c892e10d0), _1137250)
   Exit: (228) [system] peek_char((0x560c892e10d0), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1141970, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_1142902, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x560c892e10d0), m)
   Exit: (228) [system] get_char((0x560c892e10d0), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1150252)
   Call: (229) [system] peek_char((0x560c892e10d0), _1151186)
   Exit: (229) [system] peek_char((0x560c892e10d0), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1155906, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1156838, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x560c892e10d0), p)
   Exit: (229) [system] get_char((0x560c892e10d0), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1164188)
   Call: (230) [system] peek_char((0x560c892e10d0), _1165122)
   Exit: (230) [system] peek_char((0x560c892e10d0), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1169842, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1170774, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x560c892e10d0), l)
   Exit: (230) [system] get_char((0x560c892e10d0), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1178124)
   Call: (231) [system] peek_char((0x560c892e10d0), _1179058)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1183778, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1184710, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1192060)
   Call: (232) [system] peek_char((0x560c892e10d0), _1192994)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1197714, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1198646, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1205996)
   Call: (233) [system] peek_char((0x560c892e10d0), _1206930)
   Exit: (233) [system] peek_char((0x560c892e10d0), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1211650, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1212582, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x560c892e10d0), a)
   Exit: (233) [system] get_char((0x560c892e10d0), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1219932)
   Call: (234) [system] peek_char((0x560c892e10d0), _1220866)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1225586, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1226518, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1233868)
   Call: (235) [system] peek_char((0x560c892e10d0), _1234802)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1239522, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1240454, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1247804)
   Call: (236) [system] peek_char((0x560c892e10d0), _1248738)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1253458, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1254390, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1261740)
   Call: (237) [system] peek_char((0x560c892e10d0), _1262674)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1267394, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1268326, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1275676)
   Call: (238) [system] peek_char((0x560c892e10d0), _1276610)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1275676=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _1261740=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (236) [system] _1247804=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (235) [system] _1233868=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (234) [system] _1219932=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (233) [system] _1205996=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (232) [system] _1192060=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (231) [system] _1178124=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (230) [system] _1164188=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1150252=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1136316=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1100806)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1313834)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1314786, _1314788), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1313834), _1314768, fail)), '$restore_trace'(_1314786, _1314788))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1314786, _1314788))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1313834), _1314768, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1313834)
   Fail: (229) [system] atomic(_1313834)
   Call: (229) [system] atom_chars(_1313834, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _1100806='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1328784)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1330642)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1340236)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1342940)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1359874)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1365444)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1367302)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1383312)
   Exit: (227) [system] get_char((0x560c892e10d0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1365444)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1388882)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1404892)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1410462)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1412320)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1428330)
   Exit: (229) [system] get_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1410462)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445972)
   Call: (231) [system] peek_char((0x560c892e10d0), _1446906)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1451626, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1452558, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1459908)
   Call: (232) [system] peek_char((0x560c892e10d0), _1460842)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1465562, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1466494, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x560c892e10d0), 'L')
   Exit: (232) [system] get_char((0x560c892e10d0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1473844)
   Call: (233) [system] peek_char((0x560c892e10d0), _1474778)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1479498, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1480430, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1487780)
   Call: (234) [system] peek_char((0x560c892e10d0), _1488714)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1493434, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1494366, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1501716)
   Call: (235) [system] peek_char((0x560c892e10d0), _1502650)
   Exit: (235) [system] peek_char((0x560c892e10d0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1507370, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1508302, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x560c892e10d0), k)
   Exit: (235) [system] get_char((0x560c892e10d0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1515652)
   Call: (236) [system] peek_char((0x560c892e10d0), _1516586)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1515652=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _1501716=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (234) [system] _1487780=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (233) [system] _1473844=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (232) [system] _1459908=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (231) [system] _1445972=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1410462)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1539840)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1540792, _1540794), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1539840), _1540774, fail)), '$restore_trace'(_1540792, _1540794))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1540792, _1540794))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1539840), _1540774, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1539840)
   Fail: (232) [system] atomic(_1539840)
   Call: (232) [system] atom_chars(_1539840, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _1410462='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1554790)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1556648)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _1566242)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1568946)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1585880)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1591450)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1593308)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1609318)
   Exit: (230) [system] get_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1591450)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1626960)
   Call: (232) [system] peek_char((0x560c892e10d0), _1627894)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1626960=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _1591450)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _1637178)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1638130, _1638132), once(user:catch(read_from_chars(['C'], _1637178), _1638112, fail)), '$restore_trace'(_1638130, _1638132))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1638130, _1638132))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1637178), _1638112, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1637178)
   Fail: (233) [system] atomic(_1637178)
   Call: (233) [system] atom_chars(_1637178, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _1591450='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1652128)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1653986)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _1663580)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1666284)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1683218)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _1688788)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1690646)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _1706656)
   Exit: (231) [system] get_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1688788)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724298)
   Call: (233) [system] peek_char((0x560c892e10d0), _1725232)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1729952, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1724298=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _1688788)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _1736388)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1737340, _1737342), once(user:catch(read_from_chars(['D'], _1736388), _1737322, fail)), '$restore_trace'(_1737340, _1737342))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1737340, _1737342))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1736388), _1737322, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1736388)
   Fail: (234) [system] atomic(_1736388)
   Call: (234) [system] atom_chars(_1736388, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _1688788='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1751338)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1753196)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1769206)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x560c892e10d0), _1772996)
   Exit: (231) [system] get_char((0x560c892e10d0), ')')
   Call: (231) [system] _1751338=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [])
   Call: (230) [system] _1652128=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (229) [system] _1554790=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (228) [system] _1365444=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1786878)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1788736)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1798330)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1801034)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1817968)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1823538)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1825396)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1841406)
   Exit: (228) [system] get_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1823538)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1859048)
   Call: (230) [system] peek_char((0x560c892e10d0), _1859982)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1864702, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1859048=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1823538)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1871138)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1872090, _1872092), once(user:catch(read_from_chars(['E'], _1871138), _1872072, fail)), '$restore_trace'(_1872090, _1872092))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1872090, _1872092))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1871138), _1872072, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1871138)
   Fail: (231) [system] atomic(_1871138)
   Call: (231) [system] atom_chars(_1871138, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1823538='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1886088)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1887946)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1903956)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _1907746)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _1886088=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _1786878=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (226) [system] _1328784=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _1055788=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1921628)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1923486)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1933080)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1935784)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1952718)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1958288)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1960146)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1976156)
   Exit: (225) [system] get_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1958288)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1993798)
   Call: (227) [system] peek_char((0x560c892e10d0), _1994732)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1999452, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1993798=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1958288)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _2005888)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_2006840, _2006842), once(user:catch(read_from_chars(['B'], _2005888), _2006822, fail)), '$restore_trace'(_2006840, _2006842))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_2006840, _2006842))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2005888), _2006822, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_2005888)
   Fail: (228) [system] atomic(_2005888)
   Call: (228) [system] atom_chars(_2005888, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1958288='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _2020838)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _2022696)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2038706)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _2042496)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _2020838=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _1921628=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (223) [system] _1019128=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (222) [system] _829782=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _2056378)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2058236)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2074246)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _2078036)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _2056378=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _793122=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _20898=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (218) [system] _5972=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _2091918)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2093776)
   Exit: (218) [system] peek_char((0x560c892e10d0), '\n')
   Call: (218) [system] '\n'=(;)
   Fail: (218) [system] '\n'=(;)
   Call: (218) [system] '\n'=(/)
   Fail: (218) [system] '\n'=(/)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Fail: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x560c892e10d0), _14512)
   Exit: (218) [system] get_char((0x560c892e10d0), '\n')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _17216)
   Exit: (219) [system] peek_char((0x560c892e10d0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x560c892e10d0), _26810)
   Exit: (219) [system] get_char((0x560c892e10d0), '\t')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _29514)
   Exit: (220) [system] peek_char((0x560c892e10d0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x560c892e10d0), _39108)
   Exit: (220) [system] get_char((0x560c892e10d0), '\t')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _41812)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _51406)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _54110)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _73816)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _79386)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _81244)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _97254)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _79386)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _102824)
   Exit: (220) [system] peek_char((0x560c892e10d0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _118834)
   Exit: (219) [system] peek_char((0x560c892e10d0), :)
   Call: (219) [system] (:)=')'
   Fail: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _124404)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _126262)
   Exit: (221) [system] peek_char((0x560c892e10d0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _142272)
   Exit: (220) [system] get_char((0x560c892e10d0), :)
   Call: (220) [system] (:)='('
   Fail: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Fail: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Fail: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Fail: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Fail: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Fail: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Fail: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), :, _124404)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _159914)
   Call: (222) [system] peek_char((0x560c892e10d0), _160848)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _159914=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq([:], _124404)
^  Call: (222) [user] classify_and_convert_charseq_([:], _170132)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_171084, _171086), once(user:catch(read_from_chars([:], _170132), _171066, fail)), '$restore_trace'(_171084, _171086))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_171084, _171086))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _171066, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq_([:], :)
   Call: (222) [system] integer(:)
   Fail: (222) [system] integer(:)
   Call: (222) [system] _124404=(:)
   Exit: (222) [system] (:)=(:)
^  Exit: (221) [user] classify_and_convert_charseq([:], :)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _183212)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _185070)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _194664)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _197368)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _214302)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _219872)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _221730)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _237740)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _219872)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _243310)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _259320)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _264890)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _266748)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _282758)
   Exit: (223) [system] get_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'D', _264890)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _300400)
   Call: (225) [system] peek_char((0x560c892e10d0), _301334)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_306054, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_306986, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _314336)
   Call: (226) [system] peek_char((0x560c892e10d0), _315270)
   Exit: (226) [system] peek_char((0x560c892e10d0), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Fail: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_319990, v('(', ')', end_of_file), s)
   Fail: (227) [system] arg(_320922, v('(', ')', end_of_file), s)
^  Fail: (226) [user] is_delimiter(s)
   Call: (226) [system] ')'==s
   Fail: (226) [system] ')'==s
   Call: (226) [system] get_char((0x560c892e10d0), s)
   Exit: (226) [system] get_char((0x560c892e10d0), s)
   Call: (226) [system] s=(\)
   Fail: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _328272)
   Call: (227) [system] peek_char((0x560c892e10d0), _329206)
   Exit: (227) [system] peek_char((0x560c892e10d0), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_333926, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_334858, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x560c892e10d0), j)
   Exit: (227) [system] get_char((0x560c892e10d0), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _342208)
   Call: (228) [system] peek_char((0x560c892e10d0), _343142)
   Exit: (228) [system] peek_char((0x560c892e10d0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_347862, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_348794, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x560c892e10d0), u)
   Exit: (228) [system] get_char((0x560c892e10d0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _356144)
   Call: (229) [system] peek_char((0x560c892e10d0), _357078)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_361798, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_362730, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _370080)
   Call: (230) [system] peek_char((0x560c892e10d0), _371014)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_375734, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_376666, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _384016)
   Call: (231) [system] peek_char((0x560c892e10d0), _384950)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_389670, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_390602, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _397952)
   Call: (232) [system] peek_char((0x560c892e10d0), _398886)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_403606, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_404538, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _411888)
   Call: (233) [system] peek_char((0x560c892e10d0), _412822)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_417542, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_418474, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _425824)
   Call: (234) [system] peek_char((0x560c892e10d0), _426758)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_431478, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_432410, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _439760)
   Call: (235) [system] peek_char((0x560c892e10d0), _440694)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_445414, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_446346, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x560c892e10d0), 'I')
   Exit: (235) [system] get_char((0x560c892e10d0), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _453696)
   Call: (236) [system] peek_char((0x560c892e10d0), _454630)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_459350, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_460282, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _467632)
   Call: (237) [system] peek_char((0x560c892e10d0), _468566)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_473286, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_474218, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _481568)
   Call: (238) [system] peek_char((0x560c892e10d0), _482502)
   Exit: (238) [system] peek_char((0x560c892e10d0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_487222, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_488154, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x560c892e10d0), r)
   Exit: (238) [system] get_char((0x560c892e10d0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _495504)
   Call: (239) [system] peek_char((0x560c892e10d0), _496438)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_501158, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_502090, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _509440)
   Call: (240) [system] peek_char((0x560c892e10d0), _510374)
   Exit: (240) [system] peek_char((0x560c892e10d0), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_515094, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_516026, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x560c892e10d0), d)
   Exit: (240) [system] get_char((0x560c892e10d0), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _523376)
   Call: (241) [system] peek_char((0x560c892e10d0), _524310)
   Exit: (241) [system] peek_char((0x560c892e10d0), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_529030, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_529962, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x560c892e10d0), u)
   Exit: (241) [system] get_char((0x560c892e10d0), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _537312)
   Call: (242) [system] peek_char((0x560c892e10d0), _538246)
   Exit: (242) [system] peek_char((0x560c892e10d0), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_542966, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_543898, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x560c892e10d0), c)
   Exit: (242) [system] get_char((0x560c892e10d0), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _551248)
   Call: (243) [system] peek_char((0x560c892e10d0), _552182)
   Exit: (243) [system] peek_char((0x560c892e10d0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_556902, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_557834, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x560c892e10d0), t)
   Exit: (243) [system] get_char((0x560c892e10d0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _565184)
   Call: (244) [system] peek_char((0x560c892e10d0), _566118)
   Exit: (244) [system] peek_char((0x560c892e10d0), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_570838, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_571770, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x560c892e10d0), i)
   Exit: (244) [system] get_char((0x560c892e10d0), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _579120)
   Call: (245) [system] peek_char((0x560c892e10d0), _580054)
   Exit: (245) [system] peek_char((0x560c892e10d0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_584774, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_585706, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x560c892e10d0), o)
   Exit: (245) [system] get_char((0x560c892e10d0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _593056)
   Call: (246) [system] peek_char((0x560c892e10d0), _593990)
   Exit: (246) [system] peek_char((0x560c892e10d0), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_598710, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_599642, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x560c892e10d0), n)
   Exit: (246) [system] get_char((0x560c892e10d0), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _606992)
   Call: (247) [system] peek_char((0x560c892e10d0), _607926)
   Exit: (247) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _606992=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (246) [system] _593056=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (245) [system] _579120=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (244) [system] _565184=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (243) [system] _551248=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (242) [system] _537312=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (241) [system] _523376=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (240) [system] _509440=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (239) [system] _495504=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _481568=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _467632=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _453696=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _439760=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _425824=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _411888=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _397952=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _384016=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _370080=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _356144=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _342208=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _328272=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _314336=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _300400=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _264890)
^  Call: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_679630, _679632), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678), _679612, fail)), '$restore_trace'(_679630, _679632))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_679630, _679632))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678), _679612, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_678678)
   Fail: (226) [system] atomic(_678678)
   Call: (226) [system] atom_chars(_678678, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (225) [system] integer('DisjunctionIntroduction')
   Fail: (225) [system] integer('DisjunctionIntroduction')
   Call: (225) [system] _264890='DisjunctionIntroduction'
   Exit: (225) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _693628)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _695486)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _705080)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _707784)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _724718)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _730288)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _732146)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _748156)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), a, _730288)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _765798)
   Call: (226) [system] peek_char((0x560c892e10d0), _766732)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _765798=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _730288)
^  Call: (226) [user] classify_and_convert_charseq_([a], _776016)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_776968, _776970), once(user:catch(read_from_chars([a], _776016), _776950, fail)), '$restore_trace'(_776968, _776970))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_776968, _776970))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _776950, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _730288=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _789096)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _790954)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _800548)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _803252)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _820186)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _825756)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _827614)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _843624)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), a, _825756)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _861266)
   Call: (227) [system] peek_char((0x560c892e10d0), _862200)
   Exit: (227) [system] peek_char((0x560c892e10d0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_866920, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_867852, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x560c892e10d0), b)
   Exit: (227) [system] get_char((0x560c892e10d0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _875202)
   Call: (228) [system] peek_char((0x560c892e10d0), _876136)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_880856, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_881788, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _889138)
   Call: (229) [system] peek_char((0x560c892e10d0), _890072)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_894792, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _889138=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _875202=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (227) [system] _861266=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq([a, b, c], _825756)
^  Call: (227) [user] classify_and_convert_charseq_([a, b, c], _906816)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_907768, _907770), once(user:catch(read_from_chars([a, b, c], _906816), _907750, fail)), '$restore_trace'(_907768, _907770))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_907768, _907770))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _907750, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (227) [system] integer(abc)
   Fail: (227) [system] integer(abc)
   Call: (227) [system] _825756=abc
   Exit: (227) [system] abc=abc
^  Exit: (226) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _919896)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _921754)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _937764)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _941554)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _919896=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _789096=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (223) [system] _693628=[a, abc]
   Exit: (223) [system] [a, abc]=[a, abc]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (222) [system] _219872=['DisjunctionIntroduction', a, abc]
   Exit: (222) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _955436)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _957294)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _966888)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _969592)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _986526)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _992096)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _993954)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1009964)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _992096)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1015534)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1031544)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1037114)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1038972)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1054982)
   Exit: (224) [system] get_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1037114)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1072624)
   Call: (226) [system] peek_char((0x560c892e10d0), _1073558)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1078278, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1079210, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1086560)
   Call: (227) [system] peek_char((0x560c892e10d0), _1087494)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1092214, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1093146, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1100496)
   Call: (228) [system] peek_char((0x560c892e10d0), _1101430)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1106150, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1107082, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1114432)
   Call: (229) [system] peek_char((0x560c892e10d0), _1115366)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1120086, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1121018, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1128368)
   Call: (230) [system] peek_char((0x560c892e10d0), _1129302)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1134022, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1134954, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1142304)
   Call: (231) [system] peek_char((0x560c892e10d0), _1143238)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1142304=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _1128368=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _1114432=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _1100496=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _1086560=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _1072624=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1037114)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1166492)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1167444, _1167446), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1166492), _1167426, fail)), '$restore_trace'(_1167444, _1167446))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1167444, _1167446))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1166492), _1167426, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1166492)
   Fail: (227) [system] atomic(_1166492)
   Call: (227) [system] atom_chars(_1166492, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _1037114='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1181442)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1183300)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1192894)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1195598)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1212532)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1218102)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1219960)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1235970)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1218102)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1253612)
   Call: (227) [system] peek_char((0x560c892e10d0), _1254546)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1253612=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1218102)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1263830)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1264782, _1264784), once(user:catch(read_from_chars(['A'], _1263830), _1264764, fail)), '$restore_trace'(_1264782, _1264784))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1264782, _1264784))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1263830), _1264764, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1263830)
   Fail: (228) [system] atomic(_1263830)
   Call: (228) [system] atom_chars(_1263830, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1218102='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1278780)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1280638)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1290232)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1292936)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1309870)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1315440)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1317298)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1333308)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1315440)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1338878)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1354888)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1360458)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1362316)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1378326)
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1360458)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1395968)
   Call: (230) [system] peek_char((0x560c892e10d0), _1396902)
   Exit: (230) [system] peek_char((0x560c892e10d0), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1401622, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_1402554, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x560c892e10d0), m)
   Exit: (230) [system] get_char((0x560c892e10d0), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1409904)
   Call: (231) [system] peek_char((0x560c892e10d0), _1410838)
   Exit: (231) [system] peek_char((0x560c892e10d0), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1415558, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_1416490, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x560c892e10d0), p)
   Exit: (231) [system] get_char((0x560c892e10d0), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1423840)
   Call: (232) [system] peek_char((0x560c892e10d0), _1424774)
   Exit: (232) [system] peek_char((0x560c892e10d0), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1429494, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_1430426, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x560c892e10d0), l)
   Exit: (232) [system] get_char((0x560c892e10d0), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1437776)
   Call: (233) [system] peek_char((0x560c892e10d0), _1438710)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1443430, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1444362, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1451712)
   Call: (234) [system] peek_char((0x560c892e10d0), _1452646)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1457366, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1458298, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1465648)
   Call: (235) [system] peek_char((0x560c892e10d0), _1466582)
   Exit: (235) [system] peek_char((0x560c892e10d0), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_1471302, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_1472234, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x560c892e10d0), a)
   Exit: (235) [system] get_char((0x560c892e10d0), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1479584)
   Call: (236) [system] peek_char((0x560c892e10d0), _1480518)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1485238, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1486170, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1493520)
   Call: (237) [system] peek_char((0x560c892e10d0), _1494454)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1499174, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1500106, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1507456)
   Call: (238) [system] peek_char((0x560c892e10d0), _1508390)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1513110, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1514042, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1521392)
   Call: (239) [system] peek_char((0x560c892e10d0), _1522326)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1527046, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1527978, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1535328)
   Call: (240) [system] peek_char((0x560c892e10d0), _1536262)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1535328=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _1521392=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _1507456=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _1493520=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _1479584=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _1465648=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (234) [system] _1451712=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (233) [system] _1437776=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (232) [system] _1423840=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _1409904=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _1395968=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1360458)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1573486)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1574438, _1574440), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1573486), _1574420, fail)), '$restore_trace'(_1574438, _1574440))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1574438, _1574440))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1573486), _1574420, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1573486)
   Fail: (231) [system] atomic(_1573486)
   Call: (231) [system] atom_chars(_1573486, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _1360458='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1588436)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1590294)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1599888)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1602592)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1619526)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1625096)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1626954)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1642964)
   Exit: (229) [system] get_char((0x560c892e10d0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1625096)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1648534)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1664544)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _1670114)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1671972)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _1687982)
   Exit: (231) [system] get_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1670114)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1705624)
   Call: (233) [system] peek_char((0x560c892e10d0), _1706558)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1711278, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1712210, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1719560)
   Call: (234) [system] peek_char((0x560c892e10d0), _1720494)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1725214, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_1726146, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1733496)
   Call: (235) [system] peek_char((0x560c892e10d0), _1734430)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1739150, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_1740082, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x560c892e10d0), 'L')
   Exit: (235) [system] get_char((0x560c892e10d0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1747432)
   Call: (236) [system] peek_char((0x560c892e10d0), _1748366)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1753086, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1754018, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1761368)
   Call: (237) [system] peek_char((0x560c892e10d0), _1762302)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1767022, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1767954, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1775304)
   Call: (238) [system] peek_char((0x560c892e10d0), _1776238)
   Exit: (238) [system] peek_char((0x560c892e10d0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1780958, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_1781890, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x560c892e10d0), k)
   Exit: (238) [system] get_char((0x560c892e10d0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1789240)
   Call: (239) [system] peek_char((0x560c892e10d0), _1790174)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1789240=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _1775304=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (237) [system] _1761368=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (236) [system] _1747432=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (235) [system] _1733496=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (234) [system] _1719560=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (233) [system] _1705624=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1670114)
^  Call: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1816222)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1817174, _1817176), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1816222), _1817156, fail)), '$restore_trace'(_1817174, _1817176))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1817174, _1817176))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1816222), _1817156, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1816222)
   Fail: (234) [system] atomic(_1816222)
   Call: (234) [system] atom_chars(_1816222, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (233) [system] integer('AndLink')
   Fail: (233) [system] integer('AndLink')
   Call: (233) [system] _1670114='AndLink'
   Exit: (233) [system] 'AndLink'='AndLink'
^  Exit: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1831172)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1833030)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _1842624)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1845328)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1862262)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _1867832)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1869690)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _1885700)
   Exit: (232) [system] get_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1867832)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903342)
   Call: (234) [system] peek_char((0x560c892e10d0), _1904276)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1903342=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq(['A'], _1867832)
^  Call: (234) [user] classify_and_convert_charseq_(['A'], _1913560)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1914512, _1914514), once(user:catch(read_from_chars(['A'], _1913560), _1914494, fail)), '$restore_trace'(_1914512, _1914514))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1914512, _1914514))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1913560), _1914494, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1913560)
   Fail: (235) [system] atomic(_1913560)
   Call: (235) [system] atom_chars(_1913560, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (234) [system] integer('A')
   Fail: (234) [system] integer('A')
   Call: (234) [system] _1867832='A'
   Exit: (234) [system] 'A'='A'
^  Exit: (233) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _1928510)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1930368)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x560c892e10d0), _1939962)
   Exit: (233) [system] get_char((0x560c892e10d0), ' ')
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1942666)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1959600)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _1965170)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1967028)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _1983038)
   Exit: (233) [system] get_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1965170)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _2000680)
   Call: (235) [system] peek_char((0x560c892e10d0), _2001614)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_2006334, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _2000680=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _1965170)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _2012770)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2013722, _2013724), once(user:catch(read_from_chars(['B'], _2012770), _2013704, fail)), '$restore_trace'(_2013722, _2013724))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2013722, _2013724))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2012770), _2013704, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2012770)
   Fail: (236) [system] atomic(_2012770)
   Call: (236) [system] atom_chars(_2012770, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _1965170='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _2027720)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2029578)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _2045588)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x560c892e10d0), _2049378)
   Exit: (233) [system] get_char((0x560c892e10d0), ')')
   Call: (233) [system] _2027720=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), [])
   Call: (232) [system] _1928510=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (231) [system] _1831172=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (230) [system] _1625096=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _2063260)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _2065118)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _2074712)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _2077416)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2094350)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _9294)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _11152)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _27162)
   Exit: (230) [system] get_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', _9294)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _44804)
   Call: (232) [system] peek_char((0x560c892e10d0), _45738)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_50458, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _44804=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _9294)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _56894)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_57846, _57848), once(user:catch(read_from_chars(['C'], _56894), _57828, fail)), '$restore_trace'(_57846, _57848))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_57846, _57848))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _56894), _57828, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_56894)
   Fail: (233) [system] atomic(_56894)
   Call: (233) [system] atom_chars(_56894, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _9294='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _71844)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _73702)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _89712)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _93502)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _71844=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _6154=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (228) [system] _6130=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _6122=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _107384)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _109242)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _125252)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _129042)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _107384=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _6118=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6112=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _6104=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _142924)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _144782)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _160792)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _164582)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _142924=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _6100=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6076=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6068=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _178464)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _180322)
   Exit: (219) [system] peek_char((0x560c892e10d0), '\n')
   Call: (219) [system] '\n'=(;)
   Fail: (219) [system] '\n'=(;)
   Call: (219) [system] '\n'=(/)
   Fail: (219) [system] '\n'=(/)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Fail: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x560c892e10d0), _191772)
   Exit: (219) [system] get_char((0x560c892e10d0), '\n')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _194476)
   Exit: (220) [system] peek_char((0x560c892e10d0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x560c892e10d0), _204070)
   Exit: (220) [system] get_char((0x560c892e10d0), '\t')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _206774)
   Exit: (221) [system] peek_char((0x560c892e10d0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x560c892e10d0), _216368)
   Exit: (221) [system] get_char((0x560c892e10d0), '\t')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _219072)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _228666)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _231370)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _251076)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _256646)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _258504)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _274514)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _256646)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _280084)
   Exit: (221) [system] peek_char((0x560c892e10d0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _296094)
   Exit: (220) [system] peek_char((0x560c892e10d0), :)
   Call: (220) [system] (:)=')'
   Fail: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _301664)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _303522)
   Exit: (222) [system] peek_char((0x560c892e10d0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _319532)
   Exit: (221) [system] get_char((0x560c892e10d0), :)
   Call: (221) [system] (:)='('
   Fail: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Fail: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Fail: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Fail: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Fail: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Fail: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Fail: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), :, _301664)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _337174)
   Call: (223) [system] peek_char((0x560c892e10d0), _338108)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _337174=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq([:], _301664)
^  Call: (223) [user] classify_and_convert_charseq_([:], _347392)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_348344, _348346), once(user:catch(read_from_chars([:], _347392), _348326, fail)), '$restore_trace'(_348344, _348346))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_348344, _348346))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _348326, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq_([:], :)
   Call: (223) [system] integer(:)
   Fail: (223) [system] integer(:)
   Call: (223) [system] _301664=(:)
   Exit: (223) [system] (:)=(:)
^  Exit: (222) [user] classify_and_convert_charseq([:], :)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _360472)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _362330)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _371924)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _374628)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _391562)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _397132)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _398990)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _415000)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _397132)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _420570)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _436580)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _442150)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _444008)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _460018)
   Exit: (224) [system] get_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'D', _442150)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _477660)
   Call: (226) [system] peek_char((0x560c892e10d0), _478594)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_483314, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_484246, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _491596)
   Call: (227) [system] peek_char((0x560c892e10d0), _492530)
   Exit: (227) [system] peek_char((0x560c892e10d0), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Fail: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_497250, v('(', ')', end_of_file), s)
   Fail: (228) [system] arg(_498182, v('(', ')', end_of_file), s)
^  Fail: (227) [user] is_delimiter(s)
   Call: (227) [system] ')'==s
   Fail: (227) [system] ')'==s
   Call: (227) [system] get_char((0x560c892e10d0), s)
   Exit: (227) [system] get_char((0x560c892e10d0), s)
   Call: (227) [system] s=(\)
   Fail: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _505532)
   Call: (228) [system] peek_char((0x560c892e10d0), _506466)
   Exit: (228) [system] peek_char((0x560c892e10d0), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_511186, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_512118, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x560c892e10d0), j)
   Exit: (228) [system] get_char((0x560c892e10d0), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _519468)
   Call: (229) [system] peek_char((0x560c892e10d0), _520402)
   Exit: (229) [system] peek_char((0x560c892e10d0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_525122, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_526054, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x560c892e10d0), u)
   Exit: (229) [system] get_char((0x560c892e10d0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _533404)
   Call: (230) [system] peek_char((0x560c892e10d0), _534338)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_539058, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_539990, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _547340)
   Call: (231) [system] peek_char((0x560c892e10d0), _548274)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_552994, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_553926, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _561276)
   Call: (232) [system] peek_char((0x560c892e10d0), _562210)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_566930, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_567862, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _575212)
   Call: (233) [system] peek_char((0x560c892e10d0), _576146)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_580866, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_581798, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _589148)
   Call: (234) [system] peek_char((0x560c892e10d0), _590082)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_594802, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_595734, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _603084)
   Call: (235) [system] peek_char((0x560c892e10d0), _604018)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_608738, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_609670, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _617020)
   Call: (236) [system] peek_char((0x560c892e10d0), _617954)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_622674, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_623606, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x560c892e10d0), 'I')
   Exit: (236) [system] get_char((0x560c892e10d0), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _630956)
   Call: (237) [system] peek_char((0x560c892e10d0), _631890)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_636610, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_637542, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _644892)
   Call: (238) [system] peek_char((0x560c892e10d0), _645826)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_650546, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_651478, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _658828)
   Call: (239) [system] peek_char((0x560c892e10d0), _659762)
   Exit: (239) [system] peek_char((0x560c892e10d0), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_664482, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_665414, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x560c892e10d0), r)
   Exit: (239) [system] get_char((0x560c892e10d0), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _672764)
   Call: (240) [system] peek_char((0x560c892e10d0), _673698)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_678418, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_679350, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _686700)
   Call: (241) [system] peek_char((0x560c892e10d0), _687634)
   Exit: (241) [system] peek_char((0x560c892e10d0), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_692354, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_693286, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x560c892e10d0), d)
   Exit: (241) [system] get_char((0x560c892e10d0), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _700636)
   Call: (242) [system] peek_char((0x560c892e10d0), _701570)
   Exit: (242) [system] peek_char((0x560c892e10d0), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_706290, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_707222, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x560c892e10d0), u)
   Exit: (242) [system] get_char((0x560c892e10d0), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _714572)
   Call: (243) [system] peek_char((0x560c892e10d0), _715506)
   Exit: (243) [system] peek_char((0x560c892e10d0), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_720226, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_721158, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x560c892e10d0), c)
   Exit: (243) [system] get_char((0x560c892e10d0), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _728508)
   Call: (244) [system] peek_char((0x560c892e10d0), _729442)
   Exit: (244) [system] peek_char((0x560c892e10d0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_734162, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_735094, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x560c892e10d0), t)
   Exit: (244) [system] get_char((0x560c892e10d0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _742444)
   Call: (245) [system] peek_char((0x560c892e10d0), _743378)
   Exit: (245) [system] peek_char((0x560c892e10d0), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_748098, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_749030, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x560c892e10d0), i)
   Exit: (245) [system] get_char((0x560c892e10d0), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _756380)
   Call: (246) [system] peek_char((0x560c892e10d0), _757314)
   Exit: (246) [system] peek_char((0x560c892e10d0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_762034, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_762966, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x560c892e10d0), o)
   Exit: (246) [system] get_char((0x560c892e10d0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _770316)
   Call: (247) [system] peek_char((0x560c892e10d0), _771250)
   Exit: (247) [system] peek_char((0x560c892e10d0), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_775970, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_776902, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x560c892e10d0), n)
   Exit: (247) [system] get_char((0x560c892e10d0), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _784252)
   Call: (248) [system] peek_char((0x560c892e10d0), _785186)
   Exit: (248) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _784252=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (247) [system] _770316=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (246) [system] _756380=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (245) [system] _742444=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (244) [system] _728508=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (243) [system] _714572=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (242) [system] _700636=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (241) [system] _686700=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (240) [system] _672764=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _658828=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _644892=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _630956=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _617020=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _603084=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _589148=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _575212=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _561276=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _547340=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _533404=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _519468=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _505532=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _491596=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _477660=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _442150)
^  Call: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_856890, _856892), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938), _856872, fail)), '$restore_trace'(_856890, _856892))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_856890, _856892))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938), _856872, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_855938)
   Fail: (227) [system] atomic(_855938)
   Call: (227) [system] atom_chars(_855938, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (226) [system] integer('DisjunctionIntroduction')
   Fail: (226) [system] integer('DisjunctionIntroduction')
   Call: (226) [system] _442150='DisjunctionIntroduction'
   Exit: (226) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _870888)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _872746)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _882340)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _885044)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _901978)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _907548)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _909406)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _925416)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), a, _907548)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _943058)
   Call: (227) [system] peek_char((0x560c892e10d0), _943992)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _943058=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq([a], _907548)
^  Call: (227) [user] classify_and_convert_charseq_([a], _953276)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_954228, _954230), once(user:catch(read_from_chars([a], _953276), _954210, fail)), '$restore_trace'(_954228, _954230))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_954228, _954230))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _954210, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq_([a], a)
   Call: (227) [system] integer(a)
   Fail: (227) [system] integer(a)
   Call: (227) [system] _907548=a
   Exit: (227) [system] a=a
^  Exit: (226) [user] classify_and_convert_charseq([a], a)
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _966356)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _968214)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _977808)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _980512)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
   Call: (227) [system] c=(/)
   Fail: (227) [system] c=(/)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _997446)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
   Call: (225) [system] c=')'
   Fail: (225) [system] c=')'
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1003016)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1004874)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
   Call: (227) [system] c=(/)
   Fail: (227) [system] c=(/)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1020884)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c='('
   Fail: (226) [system] c='('
   Call: (226) [system] c='['
   Fail: (226) [system] c='['
   Call: (226) [system] c='{'
   Fail: (226) [system] c='{'
   Call: (226) [system] c='"'
   Fail: (226) [system] c='"'
   Call: (226) [system] c=!
   Fail: (226) [system] c=!
   Call: (226) [system] c='\''
   Fail: (226) [system] c='\''
   Call: (226) [system] c='`'
   Fail: (226) [system] c='`'
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), c, _1003016)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1038526)
   Call: (228) [system] peek_char((0x560c892e10d0), _1039460)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1044180, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1045112, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1052462)
   Call: (229) [system] peek_char((0x560c892e10d0), _1053396)
   Exit: (229) [system] peek_char((0x560c892e10d0), e)
^  Call: (229) [user] is_delimiter(e)
   Call: (230) [system] char_type(e, space)
   Fail: (230) [system] char_type(e, space)
   Call: (230) [system] arg(_1058116, v('(', ')', end_of_file), e)
   Fail: (230) [system] arg(_1059048, v('(', ')', end_of_file), e)
^  Fail: (229) [user] is_delimiter(e)
   Call: (229) [system] ')'==e
   Fail: (229) [system] ')'==e
   Call: (229) [system] get_char((0x560c892e10d0), e)
   Exit: (229) [system] get_char((0x560c892e10d0), e)
   Call: (229) [system] e=(\)
   Fail: (229) [system] e=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1066398)
   Call: (230) [system] peek_char((0x560c892e10d0), _1067332)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1072052, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1066398=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1052462=[e]
   Exit: (229) [system] [e]=[e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (228) [system] _1038526=[d, e]
   Exit: (228) [system] [d, e]=[d, e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (227) [user] classify_and_convert_charseq([c, d, e], _1003016)
^  Call: (228) [user] classify_and_convert_charseq_([c, d, e], _1084076)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1085028, _1085030), once(user:catch(read_from_chars([c, d, e], _1084076), _1085010, fail)), '$restore_trace'(_1085028, _1085030))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1085028, _1085030))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1085010, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(cde)
   Exit: (229) [system] atomic(cde)
^  Exit: (228) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (228) [system] integer(cde)
   Fail: (228) [system] integer(cde)
   Call: (228) [system] _1003016=cde
   Exit: (228) [system] cde=cde
^  Exit: (227) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1097156)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1099014)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1115024)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1118814)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1097156=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _966356=[cde]
   Exit: (225) [system] [cde]=[cde]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (224) [system] _870888=[a, cde]
   Exit: (224) [system] [a, cde]=[a, cde]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (223) [system] _397132=['DisjunctionIntroduction', a, cde]
   Exit: (223) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1132696)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1134554)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1144148)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1146852)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1163786)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1169356)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1171214)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1187224)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1169356)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1192794)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1208804)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1214374)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1216232)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1232242)
   Exit: (225) [system] get_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1214374)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1249884)
   Call: (227) [system] peek_char((0x560c892e10d0), _1250818)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1255538, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1256470, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1263820)
   Call: (228) [system] peek_char((0x560c892e10d0), _1264754)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1269474, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1270406, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1277756)
   Call: (229) [system] peek_char((0x560c892e10d0), _1278690)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1283410, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1284342, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1291692)
   Call: (230) [system] peek_char((0x560c892e10d0), _1292626)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1297346, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1298278, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1305628)
   Call: (231) [system] peek_char((0x560c892e10d0), _1306562)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1311282, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1312214, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1319564)
   Call: (232) [system] peek_char((0x560c892e10d0), _1320498)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1319564=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1305628=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1291692=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1277756=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1263820=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1249884=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1214374)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1343752)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1344704, _1344706), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1343752), _1344686, fail)), '$restore_trace'(_1344704, _1344706))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1344704, _1344706))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1343752), _1344686, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1343752)
   Fail: (228) [system] atomic(_1343752)
   Call: (228) [system] atom_chars(_1343752, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1214374='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1358702)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1360560)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1370154)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1372858)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1389792)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1395362)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1397220)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1413230)
   Exit: (226) [system] get_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1395362)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1430872)
   Call: (228) [system] peek_char((0x560c892e10d0), _1431806)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1430872=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1395362)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1441090)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1442042, _1442044), once(user:catch(read_from_chars(['A'], _1441090), _1442024, fail)), '$restore_trace'(_1442042, _1442044))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1442042, _1442044))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1441090), _1442024, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1441090)
   Fail: (229) [system] atomic(_1441090)
   Call: (229) [system] atom_chars(_1441090, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1395362='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1456040)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1457898)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1467492)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1470196)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1487130)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1492700)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1494558)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1510568)
   Exit: (227) [system] get_char((0x560c892e10d0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1492700)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1516138)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1532148)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=')'
   Fail: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1537718)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1539576)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
   Call: (230) [system] 'I'=(/)
   Fail: (230) [system] 'I'=(/)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1555586)
   Exit: (229) [system] get_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'='('
   Fail: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Fail: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Fail: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Fail: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Fail: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Fail: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Fail: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1537718)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1573228)
   Call: (231) [system] peek_char((0x560c892e10d0), _1574162)
   Exit: (231) [system] peek_char((0x560c892e10d0), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Fail: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_1578882, v('(', ')', end_of_file), m)
   Fail: (232) [system] arg(_1579814, v('(', ')', end_of_file), m)
^  Fail: (231) [user] is_delimiter(m)
   Call: (231) [system] ')'==m
   Fail: (231) [system] ')'==m
   Call: (231) [system] get_char((0x560c892e10d0), m)
   Exit: (231) [system] get_char((0x560c892e10d0), m)
   Call: (231) [system] m=(\)
   Fail: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1587164)
   Call: (232) [system] peek_char((0x560c892e10d0), _1588098)
   Exit: (232) [system] peek_char((0x560c892e10d0), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Fail: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_1592818, v('(', ')', end_of_file), p)
   Fail: (233) [system] arg(_1593750, v('(', ')', end_of_file), p)
^  Fail: (232) [user] is_delimiter(p)
   Call: (232) [system] ')'==p
   Fail: (232) [system] ')'==p
   Call: (232) [system] get_char((0x560c892e10d0), p)
   Exit: (232) [system] get_char((0x560c892e10d0), p)
   Call: (232) [system] p=(\)
   Fail: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1601100)
   Call: (233) [system] peek_char((0x560c892e10d0), _1602034)
   Exit: (233) [system] peek_char((0x560c892e10d0), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Fail: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_1606754, v('(', ')', end_of_file), l)
   Fail: (234) [system] arg(_1607686, v('(', ')', end_of_file), l)
^  Fail: (233) [user] is_delimiter(l)
   Call: (233) [system] ')'==l
   Fail: (233) [system] ')'==l
   Call: (233) [system] get_char((0x560c892e10d0), l)
   Exit: (233) [system] get_char((0x560c892e10d0), l)
   Call: (233) [system] l=(\)
   Fail: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1615036)
   Call: (234) [system] peek_char((0x560c892e10d0), _1615970)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1620690, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1621622, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1628972)
   Call: (235) [system] peek_char((0x560c892e10d0), _1629906)
   Exit: (235) [system] peek_char((0x560c892e10d0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1634626, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1635558, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x560c892e10d0), c)
   Exit: (235) [system] get_char((0x560c892e10d0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1642908)
   Call: (236) [system] peek_char((0x560c892e10d0), _1643842)
   Exit: (236) [system] peek_char((0x560c892e10d0), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Fail: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_1648562, v('(', ')', end_of_file), a)
   Fail: (237) [system] arg(_1649494, v('(', ')', end_of_file), a)
^  Fail: (236) [user] is_delimiter(a)
   Call: (236) [system] ')'==a
   Fail: (236) [system] ')'==a
   Call: (236) [system] get_char((0x560c892e10d0), a)
   Exit: (236) [system] get_char((0x560c892e10d0), a)
   Call: (236) [system] a=(\)
   Fail: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1656844)
   Call: (237) [system] peek_char((0x560c892e10d0), _1657778)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1662498, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1663430, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1670780)
   Call: (238) [system] peek_char((0x560c892e10d0), _1671714)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1676434, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1677366, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1684716)
   Call: (239) [system] peek_char((0x560c892e10d0), _1685650)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1690370, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1691302, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1698652)
   Call: (240) [system] peek_char((0x560c892e10d0), _1699586)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1704306, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1705238, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1712588)
   Call: (241) [system] peek_char((0x560c892e10d0), _1713522)
   Exit: (241) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1712588=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (240) [system] _1698652=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (239) [system] _1684716=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (238) [system] _1670780=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (237) [system] _1656844=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (236) [system] _1642908=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (235) [system] _1628972=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (234) [system] _1615036=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (233) [system] _1601100=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _1587164=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _1573228=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1537718)
^  Call: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1750746)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1751698, _1751700), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1750746), _1751680, fail)), '$restore_trace'(_1751698, _1751700))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1751698, _1751700))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1750746), _1751680, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1750746)
   Fail: (232) [system] atomic(_1750746)
   Call: (232) [system] atom_chars(_1750746, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (231) [system] integer('Implication')
   Fail: (231) [system] integer('Implication')
   Call: (231) [system] _1537718='Implication'
   Exit: (231) [system] 'Implication'='Implication'
^  Exit: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1765696)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1767554)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _1777148)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1779852)
   Exit: (231) [system] peek_char((0x560c892e10d0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1796786)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1802356)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1804214)
   Exit: (231) [system] peek_char((0x560c892e10d0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1820224)
   Exit: (230) [system] get_char((0x560c892e10d0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1802356)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1825794)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1841804)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'O')
   Call: (231) [system] 'O'=')'
   Fail: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _1847374)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1849232)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'O')
   Call: (233) [system] 'O'=(;)
   Fail: (233) [system] 'O'=(;)
   Call: (233) [system] 'O'=(/)
   Fail: (233) [system] 'O'=(/)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Fail: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Fail: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Fail: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
   Fail: (234) [system] char_type('O', cntrl)
^  Fail: (233) [user] is_like_space('O')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _1865242)
   Exit: (232) [system] get_char((0x560c892e10d0), 'O')
   Call: (232) [system] 'O'='('
   Fail: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Fail: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Fail: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Fail: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Fail: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Fail: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Fail: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
   Fail: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1847374)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1882884)
   Call: (234) [system] peek_char((0x560c892e10d0), _1883818)
   Exit: (234) [system] peek_char((0x560c892e10d0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1888538, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1889470, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x560c892e10d0), r)
   Exit: (234) [system] get_char((0x560c892e10d0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1896820)
   Call: (235) [system] peek_char((0x560c892e10d0), _1897754)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1902474, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_1903406, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x560c892e10d0), 'L')
   Exit: (235) [system] get_char((0x560c892e10d0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910756)
   Call: (236) [system] peek_char((0x560c892e10d0), _1911690)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1916410, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1917342, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924692)
   Call: (237) [system] peek_char((0x560c892e10d0), _1925626)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1930346, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1931278, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1938628)
   Call: (238) [system] peek_char((0x560c892e10d0), _1939562)
   Exit: (238) [system] peek_char((0x560c892e10d0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1944282, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_1945214, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x560c892e10d0), k)
   Exit: (238) [system] get_char((0x560c892e10d0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1952564)
   Call: (239) [system] peek_char((0x560c892e10d0), _1953498)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1952564=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _1938628=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (237) [system] _1924692=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (236) [system] _1910756=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (235) [system] _1896820=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (234) [system] _1882884=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1847374)
^  Call: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1976752)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1977704, _1977706), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976752), _1977686, fail)), '$restore_trace'(_1977704, _1977706))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1977704, _1977706))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976752), _1977686, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1976752)
   Fail: (235) [system] atomic(_1976752)
   Call: (235) [system] atom_chars(_1976752, ['O', r, 'L', i, n, k])
   Exit: (235) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (234) [system] integer('OrLink')
   Fail: (234) [system] integer('OrLink')
   Call: (234) [system] _1847374='OrLink'
   Exit: (234) [system] 'OrLink'='OrLink'
^  Exit: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _1991702)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1993560)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x560c892e10d0), _2003154)
   Exit: (233) [system] get_char((0x560c892e10d0), ' ')
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2005858)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
   Call: (234) [system] 'C'=(/)
   Fail: (234) [system] 'C'=(/)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _2022792)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'C')
   Call: (232) [system] 'C'=')'
   Fail: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _2028362)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2030220)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
   Call: (234) [system] 'C'=(/)
   Fail: (234) [system] 'C'=(/)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _2046230)
   Exit: (233) [system] get_char((0x560c892e10d0), 'C')
   Call: (233) [system] 'C'='('
   Fail: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Fail: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Fail: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Fail: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Fail: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Fail: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Fail: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x560c892e10d0), 'C', _2028362)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _2063872)
   Call: (235) [system] peek_char((0x560c892e10d0), _2064806)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _2063872=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (234) [user] classify_and_convert_charseq(['C'], _2028362)
^  Call: (235) [user] classify_and_convert_charseq_(['C'], _2074090)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2075042, _2075044), once(user:catch(read_from_chars(['C'], _2074090), _2075024, fail)), '$restore_trace'(_2075042, _2075044))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2075042, _2075044))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2074090), _2075024, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2074090)
   Fail: (236) [system] atomic(_2074090)
   Call: (236) [system] atom_chars(_2074090, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (235) [system] integer('C')
   Fail: (235) [system] integer('C')
   Call: (235) [system] _2028362='C'
   Exit: (235) [system] 'C'='C'
^  Exit: (234) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (233) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _2089040)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2090898)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x560c892e10d0), _9946)
   Exit: (234) [system] get_char((0x560c892e10d0), ' ')
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _12650)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
   Call: (235) [system] 'D'=(/)
   Fail: (235) [system] 'D'=(/)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _29584)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'D')
   Call: (233) [system] 'D'=')'
   Fail: (233) [system] 'D'=')'
   Call: (233) [system] 'D'=end_of_file
   Fail: (233) [system] 'D'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x560c892e10d0), _35154)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _37012)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
   Call: (235) [system] 'D'=(/)
   Fail: (235) [system] 'D'=(/)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] get_char((0x560c892e10d0), _53022)
   Exit: (234) [system] get_char((0x560c892e10d0), 'D')
   Call: (234) [system] 'D'='('
   Fail: (234) [system] 'D'='('
   Call: (234) [system] 'D'='['
   Fail: (234) [system] 'D'='['
   Call: (234) [system] 'D'='{'
   Fail: (234) [system] 'D'='{'
   Call: (234) [system] 'D'='"'
   Fail: (234) [system] 'D'='"'
   Call: (234) [system] 'D'=!
   Fail: (234) [system] 'D'=!
   Call: (234) [system] 'D'='\''
   Fail: (234) [system] 'D'='\''
   Call: (234) [system] 'D'='`'
   Fail: (234) [system] 'D'='`'
   Call: (234) [system] 'D'=end_of_file
   Fail: (234) [system] 'D'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x560c892e10d0), 'D', _35154)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _70664)
   Call: (236) [system] peek_char((0x560c892e10d0), _71598)
   Exit: (236) [system] peek_char((0x560c892e10d0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_76318, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _70664=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (235) [user] classify_and_convert_charseq(['D'], _35154)
^  Call: (236) [user] classify_and_convert_charseq_(['D'], _82754)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_83706, _83708), once(user:catch(read_from_chars(['D'], _82754), _83688, fail)), '$restore_trace'(_83706, _83708))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_83706, _83708))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _82754), _83688, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_82754)
   Fail: (237) [system] atomic(_82754)
   Call: (237) [system] atom_chars(_82754, ['D'])
   Exit: (237) [system] atom_chars('D', ['D'])
^  Exit: (236) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (236) [system] integer('D')
   Fail: (236) [system] integer('D')
   Call: (236) [system] _35154='D'
   Exit: (236) [system] 'D'='D'
^  Exit: (235) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (234) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (233) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (233) [user] read_list(')', (0x560c892e10d0), _97704)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _99562)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _115572)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x560c892e10d0), _119362)
   Exit: (234) [system] get_char((0x560c892e10d0), ')')
   Call: (234) [system] _97704=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x560c892e10d0), [])
   Call: (233) [system] _6244=['D']
   Exit: (233) [system] ['D']=['D']
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (232) [system] _6238=['C', 'D']
   Exit: (232) [system] ['C', 'D']=['C', 'D']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (231) [system] _6230=['OrLink', 'C', 'D']
   Exit: (231) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _133244)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _135102)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _144696)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _147400)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
   Call: (232) [system] 'E'=(/)
   Fail: (232) [system] 'E'=(/)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _164334)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'E')
   Call: (230) [system] 'E'=')'
   Fail: (230) [system] 'E'=')'
   Call: (230) [system] 'E'=end_of_file
   Fail: (230) [system] 'E'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _169904)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _171762)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
   Call: (232) [system] 'E'=(/)
   Fail: (232) [system] 'E'=(/)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _187772)
   Exit: (231) [system] get_char((0x560c892e10d0), 'E')
   Call: (231) [system] 'E'='('
   Fail: (231) [system] 'E'='('
   Call: (231) [system] 'E'='['
   Fail: (231) [system] 'E'='['
   Call: (231) [system] 'E'='{'
   Fail: (231) [system] 'E'='{'
   Call: (231) [system] 'E'='"'
   Fail: (231) [system] 'E'='"'
   Call: (231) [system] 'E'=!
   Fail: (231) [system] 'E'=!
   Call: (231) [system] 'E'='\''
   Fail: (231) [system] 'E'='\''
   Call: (231) [system] 'E'='`'
   Fail: (231) [system] 'E'='`'
   Call: (231) [system] 'E'=end_of_file
   Fail: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'E', _169904)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _205414)
   Call: (233) [system] peek_char((0x560c892e10d0), _206348)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_211068, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _205414=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq(['E'], _169904)
^  Call: (233) [user] classify_and_convert_charseq_(['E'], _217504)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_218456, _218458), once(user:catch(read_from_chars(['E'], _217504), _218438, fail)), '$restore_trace'(_218456, _218458))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_218456, _218458))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _217504), _218438, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_217504)
   Fail: (234) [system] atomic(_217504)
   Call: (234) [system] atom_chars(_217504, ['E'])
   Exit: (234) [system] atom_chars('E', ['E'])
^  Exit: (233) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (233) [system] integer('E')
   Fail: (233) [system] integer('E')
   Call: (233) [system] _169904='E'
   Exit: (233) [system] 'E'='E'
^  Exit: (232) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _232454)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _234312)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _250322)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x560c892e10d0), _254112)
   Exit: (231) [system] get_char((0x560c892e10d0), ')')
   Call: (231) [system] _232454=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [])
   Call: (230) [system] _133244=['E']
   Exit: (230) [system] ['E']=['E']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (229) [system] _6226=[['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (228) [system] _6218=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _267994)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _269852)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _285862)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _289652)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _267994=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _6214=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _6208=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (224) [system] _6200=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (224) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _303534)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _305392)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _321402)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _325192)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _303534=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _6196=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _6172=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (220) [system] _6164=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _339074)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _340932)
   Exit: (220) [system] peek_char((0x560c892e10d0), '\n')
   Call: (220) [system] '\n'=(;)
   Fail: (220) [system] '\n'=(;)
   Call: (220) [system] '\n'=(/)
   Fail: (220) [system] '\n'=(/)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Fail: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x560c892e10d0), _352382)
   Exit: (220) [system] get_char((0x560c892e10d0), '\n')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _355086)
   Exit: (221) [system] peek_char((0x560c892e10d0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x560c892e10d0), _364680)
   Exit: (221) [system] get_char((0x560c892e10d0), '\t')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _367384)
   Exit: (222) [system] peek_char((0x560c892e10d0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x560c892e10d0), _376978)
   Exit: (222) [system] get_char((0x560c892e10d0), '\t')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _379682)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _389276)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _391980)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _411686)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _417256)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _419114)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _435124)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _417256)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _440694)
   Exit: (222) [system] peek_char((0x560c892e10d0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _456704)
   Exit: (221) [system] peek_char((0x560c892e10d0), :)
   Call: (221) [system] (:)=')'
   Fail: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _462274)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _464132)
   Exit: (223) [system] peek_char((0x560c892e10d0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _480142)
   Exit: (222) [system] get_char((0x560c892e10d0), :)
   Call: (222) [system] (:)='('
   Fail: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Fail: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Fail: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Fail: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Fail: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Fail: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Fail: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), :, _462274)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _497784)
   Call: (224) [system] peek_char((0x560c892e10d0), _498718)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _497784=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq([:], _462274)
^  Call: (224) [user] classify_and_convert_charseq_([:], _508002)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_508954, _508956), once(user:catch(read_from_chars([:], _508002), _508936, fail)), '$restore_trace'(_508954, _508956))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_508954, _508956))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _508936, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq_([:], :)
   Call: (224) [system] integer(:)
   Fail: (224) [system] integer(:)
   Call: (224) [system] _462274=(:)
   Exit: (224) [system] (:)=(:)
^  Exit: (223) [user] classify_and_convert_charseq([:], :)
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _521082)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _522940)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _532534)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _535238)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _552172)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _557742)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _559600)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _575610)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _557742)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _581180)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _597190)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _602760)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _604618)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _620628)
   Exit: (225) [system] get_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'D', _602760)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _638270)
   Call: (227) [system] peek_char((0x560c892e10d0), _639204)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_643924, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_644856, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _652206)
   Call: (228) [system] peek_char((0x560c892e10d0), _653140)
   Exit: (228) [system] peek_char((0x560c892e10d0), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Fail: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_657860, v('(', ')', end_of_file), s)
   Fail: (229) [system] arg(_658792, v('(', ')', end_of_file), s)
^  Fail: (228) [user] is_delimiter(s)
   Call: (228) [system] ')'==s
   Fail: (228) [system] ')'==s
   Call: (228) [system] get_char((0x560c892e10d0), s)
   Exit: (228) [system] get_char((0x560c892e10d0), s)
   Call: (228) [system] s=(\)
   Fail: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _666142)
   Call: (229) [system] peek_char((0x560c892e10d0), _667076)
   Exit: (229) [system] peek_char((0x560c892e10d0), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Fail: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_671796, v('(', ')', end_of_file), j)
   Fail: (230) [system] arg(_672728, v('(', ')', end_of_file), j)
^  Fail: (229) [user] is_delimiter(j)
   Call: (229) [system] ')'==j
   Fail: (229) [system] ')'==j
   Call: (229) [system] get_char((0x560c892e10d0), j)
   Exit: (229) [system] get_char((0x560c892e10d0), j)
   Call: (229) [system] j=(\)
   Fail: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _680078)
   Call: (230) [system] peek_char((0x560c892e10d0), _681012)
   Exit: (230) [system] peek_char((0x560c892e10d0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_685732, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_686664, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x560c892e10d0), u)
   Exit: (230) [system] get_char((0x560c892e10d0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _694014)
   Call: (231) [system] peek_char((0x560c892e10d0), _694948)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_699668, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_700600, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _707950)
   Call: (232) [system] peek_char((0x560c892e10d0), _708884)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_713604, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_714536, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _721886)
   Call: (233) [system] peek_char((0x560c892e10d0), _722820)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_727540, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_728472, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _735822)
   Call: (234) [system] peek_char((0x560c892e10d0), _736756)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_741476, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_742408, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _749758)
   Call: (235) [system] peek_char((0x560c892e10d0), _750692)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_755412, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_756344, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _763694)
   Call: (236) [system] peek_char((0x560c892e10d0), _764628)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_769348, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_770280, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _777630)
   Call: (237) [system] peek_char((0x560c892e10d0), _778564)
   Exit: (237) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Fail: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_783284, v('(', ')', end_of_file), 'I')
   Fail: (238) [system] arg(_784216, v('(', ')', end_of_file), 'I')
^  Fail: (237) [user] is_delimiter('I')
   Call: (237) [system] ')'=='I'
   Fail: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x560c892e10d0), 'I')
   Exit: (237) [system] get_char((0x560c892e10d0), 'I')
   Call: (237) [system] 'I'=(\)
   Fail: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _791566)
   Call: (238) [system] peek_char((0x560c892e10d0), _792500)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_797220, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_798152, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _805502)
   Call: (239) [system] peek_char((0x560c892e10d0), _806436)
   Exit: (239) [system] peek_char((0x560c892e10d0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_811156, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_812088, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x560c892e10d0), t)
   Exit: (239) [system] get_char((0x560c892e10d0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _819438)
   Call: (240) [system] peek_char((0x560c892e10d0), _820372)
   Exit: (240) [system] peek_char((0x560c892e10d0), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Fail: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_825092, v('(', ')', end_of_file), r)
   Fail: (241) [system] arg(_826024, v('(', ')', end_of_file), r)
^  Fail: (240) [user] is_delimiter(r)
   Call: (240) [system] ')'==r
   Fail: (240) [system] ')'==r
   Call: (240) [system] get_char((0x560c892e10d0), r)
   Exit: (240) [system] get_char((0x560c892e10d0), r)
   Call: (240) [system] r=(\)
   Fail: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _833374)
   Call: (241) [system] peek_char((0x560c892e10d0), _834308)
   Exit: (241) [system] peek_char((0x560c892e10d0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_839028, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_839960, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x560c892e10d0), o)
   Exit: (241) [system] get_char((0x560c892e10d0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _847310)
   Call: (242) [system] peek_char((0x560c892e10d0), _848244)
   Exit: (242) [system] peek_char((0x560c892e10d0), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Fail: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_852964, v('(', ')', end_of_file), d)
   Fail: (243) [system] arg(_853896, v('(', ')', end_of_file), d)
^  Fail: (242) [user] is_delimiter(d)
   Call: (242) [system] ')'==d
   Fail: (242) [system] ')'==d
   Call: (242) [system] get_char((0x560c892e10d0), d)
   Exit: (242) [system] get_char((0x560c892e10d0), d)
   Call: (242) [system] d=(\)
   Fail: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _861246)
   Call: (243) [system] peek_char((0x560c892e10d0), _862180)
   Exit: (243) [system] peek_char((0x560c892e10d0), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Fail: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_866900, v('(', ')', end_of_file), u)
   Fail: (244) [system] arg(_867832, v('(', ')', end_of_file), u)
^  Fail: (243) [user] is_delimiter(u)
   Call: (243) [system] ')'==u
   Fail: (243) [system] ')'==u
   Call: (243) [system] get_char((0x560c892e10d0), u)
   Exit: (243) [system] get_char((0x560c892e10d0), u)
   Call: (243) [system] u=(\)
   Fail: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _875182)
   Call: (244) [system] peek_char((0x560c892e10d0), _876116)
   Exit: (244) [system] peek_char((0x560c892e10d0), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Fail: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_880836, v('(', ')', end_of_file), c)
   Fail: (245) [system] arg(_881768, v('(', ')', end_of_file), c)
^  Fail: (244) [user] is_delimiter(c)
   Call: (244) [system] ')'==c
   Fail: (244) [system] ')'==c
   Call: (244) [system] get_char((0x560c892e10d0), c)
   Exit: (244) [system] get_char((0x560c892e10d0), c)
   Call: (244) [system] c=(\)
   Fail: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _889118)
   Call: (245) [system] peek_char((0x560c892e10d0), _890052)
   Exit: (245) [system] peek_char((0x560c892e10d0), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_894772, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_895704, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x560c892e10d0), t)
   Exit: (245) [system] get_char((0x560c892e10d0), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _903054)
   Call: (246) [system] peek_char((0x560c892e10d0), _903988)
   Exit: (246) [system] peek_char((0x560c892e10d0), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Fail: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_908708, v('(', ')', end_of_file), i)
   Fail: (247) [system] arg(_909640, v('(', ')', end_of_file), i)
^  Fail: (246) [user] is_delimiter(i)
   Call: (246) [system] ')'==i
   Fail: (246) [system] ')'==i
   Call: (246) [system] get_char((0x560c892e10d0), i)
   Exit: (246) [system] get_char((0x560c892e10d0), i)
   Call: (246) [system] i=(\)
   Fail: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _916990)
   Call: (247) [system] peek_char((0x560c892e10d0), _917924)
   Exit: (247) [system] peek_char((0x560c892e10d0), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_922644, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_923576, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x560c892e10d0), o)
   Exit: (247) [system] get_char((0x560c892e10d0), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _930926)
   Call: (248) [system] peek_char((0x560c892e10d0), _931860)
   Exit: (248) [system] peek_char((0x560c892e10d0), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Fail: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_936580, v('(', ')', end_of_file), n)
   Fail: (249) [system] arg(_937512, v('(', ')', end_of_file), n)
^  Fail: (248) [user] is_delimiter(n)
   Call: (248) [system] ')'==n
   Fail: (248) [system] ')'==n
   Call: (248) [system] get_char((0x560c892e10d0), n)
   Exit: (248) [system] get_char((0x560c892e10d0), n)
   Call: (248) [system] n=(\)
   Fail: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _944862)
   Call: (249) [system] peek_char((0x560c892e10d0), _945796)
   Exit: (249) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _944862=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (248) [system] _930926=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (247) [system] _916990=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (246) [system] _903054=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (245) [system] _889118=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (244) [system] _875182=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (243) [system] _861246=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (242) [system] _847310=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (241) [system] _833374=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _819438=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _805502=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _791566=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _777630=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _763694=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _749758=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _735822=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _721886=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _707950=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _694014=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _680078=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _666142=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _652206=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _638270=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _602760)
^  Call: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1017500, _1017502), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548), _1017482, fail)), '$restore_trace'(_1017500, _1017502))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1017500, _1017502))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548), _1017482, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1016548)
   Fail: (228) [system] atomic(_1016548)
   Call: (228) [system] atom_chars(_1016548, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (227) [system] integer('DisjunctionIntroduction')
   Fail: (227) [system] integer('DisjunctionIntroduction')
   Call: (227) [system] _602760='DisjunctionIntroduction'
   Exit: (227) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1031498)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1033356)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1042950)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1045654)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1062588)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1068158)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1070016)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1086026)
   Exit: (226) [system] get_char((0x560c892e10d0), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), a, _1068158)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1103668)
   Call: (228) [system] peek_char((0x560c892e10d0), _1104602)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1103668=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _1068158)
^  Call: (228) [user] classify_and_convert_charseq_([a], _1113886)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1114838, _1114840), once(user:catch(read_from_chars([a], _1113886), _1114820, fail)), '$restore_trace'(_1114838, _1114840))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1114838, _1114840))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1114820, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _1068158=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1126966)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1128824)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1138418)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1141122)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1158056)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1163626)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1165484)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1181494)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), a, _1163626)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1199136)
   Call: (229) [system] peek_char((0x560c892e10d0), _1200070)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1204790, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1199136=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq([a], _1163626)
^  Call: (229) [user] classify_and_convert_charseq_([a], _1211226)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1212178, _1212180), once(user:catch(read_from_chars([a], _1211226), _1212160, fail)), '$restore_trace'(_1212178, _1212180))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1212178, _1212180))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1212160, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq_([a], a)
   Call: (229) [system] integer(a)
   Fail: (229) [system] integer(a)
   Call: (229) [system] _1163626=a
   Exit: (229) [system] a=a
^  Exit: (228) [user] classify_and_convert_charseq([a], a)
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1224306)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1226164)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1242174)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1245964)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1224306=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1126966=[a]
   Exit: (226) [system] [a]=[a]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (225) [system] _1031498=[a, a]
   Exit: (225) [system] [a, a]=[a, a]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (224) [system] _557742=['DisjunctionIntroduction', a, a]
   Exit: (224) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1259846)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1261704)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1271298)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1274002)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1290936)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1296506)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1298364)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1314374)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1296506)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1319944)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1335954)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1341524)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1343382)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1359392)
   Exit: (226) [system] get_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1341524)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1377034)
   Call: (228) [system] peek_char((0x560c892e10d0), _1377968)
   Exit: (228) [system] peek_char((0x560c892e10d0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1382688, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1383620, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x560c892e10d0), r)
   Exit: (228) [system] get_char((0x560c892e10d0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1390970)
   Call: (229) [system] peek_char((0x560c892e10d0), _1391904)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1396624, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1397556, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x560c892e10d0), 'L')
   Exit: (229) [system] get_char((0x560c892e10d0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1404906)
   Call: (230) [system] peek_char((0x560c892e10d0), _1405840)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1410560, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1411492, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1418842)
   Call: (231) [system] peek_char((0x560c892e10d0), _1419776)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1424496, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1425428, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1432778)
   Call: (232) [system] peek_char((0x560c892e10d0), _1433712)
   Exit: (232) [system] peek_char((0x560c892e10d0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1438432, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1439364, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x560c892e10d0), k)
   Exit: (232) [system] get_char((0x560c892e10d0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1446714)
   Call: (233) [system] peek_char((0x560c892e10d0), _1447648)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1446714=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1432778=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (231) [system] _1418842=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (230) [system] _1404906=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (229) [system] _1390970=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (228) [system] _1377034=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1341524)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1470902)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1471854, _1471856), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1470902), _1471836, fail)), '$restore_trace'(_1471854, _1471856))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1471854, _1471856))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1470902), _1471836, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1470902)
   Fail: (229) [system] atomic(_1470902)
   Call: (229) [system] atom_chars(_1470902, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1341524='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1485852)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1487710)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1497304)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1500008)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1516942)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1522512)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1524370)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1540380)
   Exit: (227) [system] get_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1522512)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1558022)
   Call: (229) [system] peek_char((0x560c892e10d0), _1558956)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1558022=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _1522512)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _1568240)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1569192, _1569194), once(user:catch(read_from_chars(['A'], _1568240), _1569174, fail)), '$restore_trace'(_1569192, _1569194))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1569192, _1569194))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1568240), _1569174, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1568240)
   Fail: (230) [system] atomic(_1568240)
   Call: (230) [system] atom_chars(_1568240, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _1522512='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1583190)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1585048)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1594642)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1597346)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1614280)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1619850)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1621708)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1637718)
   Exit: (228) [system] get_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1619850)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655360)
   Call: (230) [system] peek_char((0x560c892e10d0), _1656294)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1661014, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1655360=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1619850)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1667450)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1668402, _1668404), once(user:catch(read_from_chars(['A'], _1667450), _1668384, fail)), '$restore_trace'(_1668402, _1668404))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1668402, _1668404))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1667450), _1668384, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1667450)
   Fail: (231) [system] atomic(_1667450)
   Call: (231) [system] atom_chars(_1667450, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1619850='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1682400)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1684258)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1700268)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _1704058)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _1682400=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _1583190=['A']
   Exit: (227) [system] ['A']=['A']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (226) [system] _1485852=['A', 'A']
   Exit: (226) [system] ['A', 'A']=['A', 'A']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['A', 'A'])
   Call: (225) [system] _1296506=['OrLink', 'A', 'A']
   Exit: (225) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', 'A'])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', 'A'])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1717940)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1719798)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1735808)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1739598)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1717940=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _1259846=[['OrLink', 'A', 'A']]
   Exit: (223) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', 'A']])
   Call: (222) [system] _521082=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (222) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
   Call: (221) [system] _417256=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1753480)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1755338)
   Exit: (221) [system] peek_char((0x560c892e10d0), '\n')
   Call: (221) [system] '\n'=(;)
   Fail: (221) [system] '\n'=(;)
   Call: (221) [system] '\n'=(/)
   Fail: (221) [system] '\n'=(/)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Fail: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x560c892e10d0), _1766788)
   Exit: (221) [system] get_char((0x560c892e10d0), '\n')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1769492)
   Exit: (222) [system] peek_char((0x560c892e10d0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x560c892e10d0), _1779086)
   Exit: (222) [system] get_char((0x560c892e10d0), '\t')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1781790)
   Exit: (223) [system] peek_char((0x560c892e10d0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x560c892e10d0), _1791384)
   Exit: (223) [system] get_char((0x560c892e10d0), '\t')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1794088)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1803682)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1806386)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1826092)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1831662)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1833520)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1849530)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1831662)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1855100)
   Exit: (223) [system] peek_char((0x560c892e10d0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1871110)
   Exit: (222) [system] peek_char((0x560c892e10d0), :)
   Call: (222) [system] (:)=')'
   Fail: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1876680)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1878538)
   Exit: (224) [system] peek_char((0x560c892e10d0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1894548)
   Exit: (223) [system] get_char((0x560c892e10d0), :)
   Call: (223) [system] (:)='('
   Fail: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Fail: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Fail: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Fail: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Fail: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Fail: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Fail: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), :, _1876680)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1912190)
   Call: (225) [system] peek_char((0x560c892e10d0), _1913124)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1912190=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq([:], _1876680)
^  Call: (225) [user] classify_and_convert_charseq_([:], _1922408)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1923360, _1923362), once(user:catch(read_from_chars([:], _1922408), _1923342, fail)), '$restore_trace'(_1923360, _1923362))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1923360, _1923362))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1923342, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq_([:], :)
   Call: (225) [system] integer(:)
   Fail: (225) [system] integer(:)
   Call: (225) [system] _1876680=(:)
   Exit: (225) [system] (:)=(:)
^  Exit: (224) [user] classify_and_convert_charseq([:], :)
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1935488)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1937346)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1946940)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1949644)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1966578)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1972148)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1974006)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1990016)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1972148)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1995586)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2011596)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _2017166)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2019024)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _2035034)
   Exit: (226) [system] get_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', _2017166)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2052676)
   Call: (228) [system] peek_char((0x560c892e10d0), _2053610)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2058330, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2059262, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2066612)
   Call: (229) [system] peek_char((0x560c892e10d0), _2067546)
   Exit: (229) [system] peek_char((0x560c892e10d0), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Fail: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_2072266, v('(', ')', end_of_file), s)
   Fail: (230) [system] arg(_2073198, v('(', ')', end_of_file), s)
^  Fail: (229) [user] is_delimiter(s)
   Call: (229) [system] ')'==s
   Fail: (229) [system] ')'==s
   Call: (229) [system] get_char((0x560c892e10d0), s)
   Exit: (229) [system] get_char((0x560c892e10d0), s)
   Call: (229) [system] s=(\)
   Fail: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2080548)
   Call: (230) [system] peek_char((0x560c892e10d0), _2081482)
   Exit: (230) [system] peek_char((0x560c892e10d0), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Fail: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_2086202, v('(', ')', end_of_file), j)
   Fail: (231) [system] arg(_2087134, v('(', ')', end_of_file), j)
^  Fail: (230) [user] is_delimiter(j)
   Call: (230) [system] ')'==j
   Fail: (230) [system] ')'==j
   Call: (230) [system] get_char((0x560c892e10d0), j)
   Exit: (230) [system] get_char((0x560c892e10d0), j)
   Call: (230) [system] j=(\)
   Fail: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2094484)
   Call: (231) [system] peek_char((0x560c892e10d0), _2095418)
   Exit: (231) [system] peek_char((0x560c892e10d0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_9746, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_10678, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x560c892e10d0), u)
   Exit: (231) [system] get_char((0x560c892e10d0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _18028)
   Call: (232) [system] peek_char((0x560c892e10d0), _18962)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_23682, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_24614, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _31964)
   Call: (233) [system] peek_char((0x560c892e10d0), _32898)
   Exit: (233) [system] peek_char((0x560c892e10d0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_37618, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_38550, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x560c892e10d0), c)
   Exit: (233) [system] get_char((0x560c892e10d0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _45900)
   Call: (234) [system] peek_char((0x560c892e10d0), _46834)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_51554, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_52486, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _59836)
   Call: (235) [system] peek_char((0x560c892e10d0), _60770)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_65490, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_66422, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _73772)
   Call: (236) [system] peek_char((0x560c892e10d0), _74706)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_79426, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_80358, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _87708)
   Call: (237) [system] peek_char((0x560c892e10d0), _88642)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_93362, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_94294, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _101644)
   Call: (238) [system] peek_char((0x560c892e10d0), _102578)
   Exit: (238) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Fail: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_107298, v('(', ')', end_of_file), 'I')
   Fail: (239) [system] arg(_108230, v('(', ')', end_of_file), 'I')
^  Fail: (238) [user] is_delimiter('I')
   Call: (238) [system] ')'=='I'
   Fail: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x560c892e10d0), 'I')
   Exit: (238) [system] get_char((0x560c892e10d0), 'I')
   Call: (238) [system] 'I'=(\)
   Fail: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _115580)
   Call: (239) [system] peek_char((0x560c892e10d0), _116514)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_121234, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_122166, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _129516)
   Call: (240) [system] peek_char((0x560c892e10d0), _130450)
   Exit: (240) [system] peek_char((0x560c892e10d0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_135170, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_136102, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x560c892e10d0), t)
   Exit: (240) [system] get_char((0x560c892e10d0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _143452)
   Call: (241) [system] peek_char((0x560c892e10d0), _144386)
   Exit: (241) [system] peek_char((0x560c892e10d0), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Fail: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_149106, v('(', ')', end_of_file), r)
   Fail: (242) [system] arg(_150038, v('(', ')', end_of_file), r)
^  Fail: (241) [user] is_delimiter(r)
   Call: (241) [system] ')'==r
   Fail: (241) [system] ')'==r
   Call: (241) [system] get_char((0x560c892e10d0), r)
   Exit: (241) [system] get_char((0x560c892e10d0), r)
   Call: (241) [system] r=(\)
   Fail: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _157388)
   Call: (242) [system] peek_char((0x560c892e10d0), _158322)
   Exit: (242) [system] peek_char((0x560c892e10d0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_163042, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_163974, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x560c892e10d0), o)
   Exit: (242) [system] get_char((0x560c892e10d0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _171324)
   Call: (243) [system] peek_char((0x560c892e10d0), _172258)
   Exit: (243) [system] peek_char((0x560c892e10d0), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Fail: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_176978, v('(', ')', end_of_file), d)
   Fail: (244) [system] arg(_177910, v('(', ')', end_of_file), d)
^  Fail: (243) [user] is_delimiter(d)
   Call: (243) [system] ')'==d
   Fail: (243) [system] ')'==d
   Call: (243) [system] get_char((0x560c892e10d0), d)
   Exit: (243) [system] get_char((0x560c892e10d0), d)
   Call: (243) [system] d=(\)
   Fail: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _185260)
   Call: (244) [system] peek_char((0x560c892e10d0), _186194)
   Exit: (244) [system] peek_char((0x560c892e10d0), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Fail: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_190914, v('(', ')', end_of_file), u)
   Fail: (245) [system] arg(_191846, v('(', ')', end_of_file), u)
^  Fail: (244) [user] is_delimiter(u)
   Call: (244) [system] ')'==u
   Fail: (244) [system] ')'==u
   Call: (244) [system] get_char((0x560c892e10d0), u)
   Exit: (244) [system] get_char((0x560c892e10d0), u)
   Call: (244) [system] u=(\)
   Fail: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _199196)
   Call: (245) [system] peek_char((0x560c892e10d0), _200130)
   Exit: (245) [system] peek_char((0x560c892e10d0), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Fail: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_204850, v('(', ')', end_of_file), c)
   Fail: (246) [system] arg(_205782, v('(', ')', end_of_file), c)
^  Fail: (245) [user] is_delimiter(c)
   Call: (245) [system] ')'==c
   Fail: (245) [system] ')'==c
   Call: (245) [system] get_char((0x560c892e10d0), c)
   Exit: (245) [system] get_char((0x560c892e10d0), c)
   Call: (245) [system] c=(\)
   Fail: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _213132)
   Call: (246) [system] peek_char((0x560c892e10d0), _214066)
   Exit: (246) [system] peek_char((0x560c892e10d0), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Fail: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_218786, v('(', ')', end_of_file), t)
   Fail: (247) [system] arg(_219718, v('(', ')', end_of_file), t)
^  Fail: (246) [user] is_delimiter(t)
   Call: (246) [system] ')'==t
   Fail: (246) [system] ')'==t
   Call: (246) [system] get_char((0x560c892e10d0), t)
   Exit: (246) [system] get_char((0x560c892e10d0), t)
   Call: (246) [system] t=(\)
   Fail: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _227068)
   Call: (247) [system] peek_char((0x560c892e10d0), _228002)
   Exit: (247) [system] peek_char((0x560c892e10d0), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Fail: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_232722, v('(', ')', end_of_file), i)
   Fail: (248) [system] arg(_233654, v('(', ')', end_of_file), i)
^  Fail: (247) [user] is_delimiter(i)
   Call: (247) [system] ')'==i
   Fail: (247) [system] ')'==i
   Call: (247) [system] get_char((0x560c892e10d0), i)
   Exit: (247) [system] get_char((0x560c892e10d0), i)
   Call: (247) [system] i=(\)
   Fail: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _241004)
   Call: (248) [system] peek_char((0x560c892e10d0), _241938)
   Exit: (248) [system] peek_char((0x560c892e10d0), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Fail: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_246658, v('(', ')', end_of_file), o)
   Fail: (249) [system] arg(_247590, v('(', ')', end_of_file), o)
^  Fail: (248) [user] is_delimiter(o)
   Call: (248) [system] ')'==o
   Fail: (248) [system] ')'==o
   Call: (248) [system] get_char((0x560c892e10d0), o)
   Exit: (248) [system] get_char((0x560c892e10d0), o)
   Call: (248) [system] o=(\)
   Fail: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _254940)
   Call: (249) [system] peek_char((0x560c892e10d0), _255874)
   Exit: (249) [system] peek_char((0x560c892e10d0), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Fail: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_260594, v('(', ')', end_of_file), n)
   Fail: (250) [system] arg(_261526, v('(', ')', end_of_file), n)
^  Fail: (249) [user] is_delimiter(n)
   Call: (249) [system] ')'==n
   Fail: (249) [system] ')'==n
   Call: (249) [system] get_char((0x560c892e10d0), n)
   Exit: (249) [system] get_char((0x560c892e10d0), n)
   Call: (249) [system] n=(\)
   Fail: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), _268876)
   Call: (250) [system] peek_char((0x560c892e10d0), _269810)
   Exit: (250) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _268876=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (249) [system] _254940=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (248) [system] _241004=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (247) [system] _227068=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (246) [system] _213132=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (245) [system] _199196=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (244) [system] _185260=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (243) [system] _171324=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (242) [system] _157388=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _143452=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _129516=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _115580=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _101644=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _87708=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _73772=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _59836=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _45900=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _31964=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _18028=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6354=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6350=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6346=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _6342=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6338)
^  Call: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_341514, _341516), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562), _341496, fail)), '$restore_trace'(_341514, _341516))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_341514, _341516))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562), _341496, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_340562)
   Fail: (229) [system] atomic(_340562)
   Call: (229) [system] atom_chars(_340562, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (228) [system] integer('DisjunctionIntroduction')
   Fail: (228) [system] integer('DisjunctionIntroduction')
   Call: (228) [system] _6338='DisjunctionIntroduction'
   Exit: (228) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _355512)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _357370)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _366964)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _369668)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _386602)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _392172)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _394030)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _410040)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), a, _392172)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _427682)
   Call: (229) [system] peek_char((0x560c892e10d0), _428616)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _427682=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq([a], _392172)
^  Call: (229) [user] classify_and_convert_charseq_([a], _437900)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_438852, _438854), once(user:catch(read_from_chars([a], _437900), _438834, fail)), '$restore_trace'(_438852, _438854))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_438852, _438854))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _438834, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq_([a], a)
   Call: (229) [system] integer(a)
   Fail: (229) [system] integer(a)
   Call: (229) [system] _392172=a
   Exit: (229) [system] a=a
^  Exit: (228) [user] classify_and_convert_charseq([a], a)
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _450980)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _452838)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _462432)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _465136)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _482070)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _487640)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _489498)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _505508)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), a, _487640)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _523150)
   Call: (230) [system] peek_char((0x560c892e10d0), _524084)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_528804, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _523150=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _487640)
^  Call: (230) [user] classify_and_convert_charseq_([a], _535240)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_536192, _536194), once(user:catch(read_from_chars([a], _535240), _536174, fail)), '$restore_trace'(_536192, _536194))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_536192, _536194))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _536174, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _487640=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _548320)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _550178)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _566188)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _569978)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _548320=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _450980=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (226) [system] _355512=[a, a]
   Exit: (226) [system] [a, a]=[a, a]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (225) [system] _6332=['DisjunctionIntroduction', a, a]
   Exit: (225) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _583860)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _585718)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _595312)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _598016)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _614950)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _620520)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _622378)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _638388)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _620520)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _643958)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _659968)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _665538)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _667396)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _683406)
   Exit: (227) [system] get_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'O', _665538)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _701048)
   Call: (229) [system] peek_char((0x560c892e10d0), _701982)
   Exit: (229) [system] peek_char((0x560c892e10d0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_706702, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_707634, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x560c892e10d0), r)
   Exit: (229) [system] get_char((0x560c892e10d0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _714984)
   Call: (230) [system] peek_char((0x560c892e10d0), _715918)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_720638, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_721570, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x560c892e10d0), 'L')
   Exit: (230) [system] get_char((0x560c892e10d0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _728920)
   Call: (231) [system] peek_char((0x560c892e10d0), _729854)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_734574, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_735506, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _742856)
   Call: (232) [system] peek_char((0x560c892e10d0), _743790)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_748510, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_749442, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _756792)
   Call: (233) [system] peek_char((0x560c892e10d0), _757726)
   Exit: (233) [system] peek_char((0x560c892e10d0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_762446, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_763378, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x560c892e10d0), k)
   Exit: (233) [system] get_char((0x560c892e10d0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _770728)
   Call: (234) [system] peek_char((0x560c892e10d0), _771662)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _770728=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _756792=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (232) [system] _742856=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (231) [system] _728920=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (230) [system] _714984=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (229) [system] _701048=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _665538)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _794916)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_795868, _795870), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794916), _795850, fail)), '$restore_trace'(_795868, _795870))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_795868, _795870))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794916), _795850, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_794916)
   Fail: (230) [system] atomic(_794916)
   Call: (230) [system] atom_chars(_794916, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _665538='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _809866)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _811724)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _821318)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _824022)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _840956)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _846526)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _848384)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _864394)
   Exit: (228) [system] get_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', _846526)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _882036)
   Call: (230) [system] peek_char((0x560c892e10d0), _882970)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _882036=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _846526)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _892254)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_893206, _893208), once(user:catch(read_from_chars(['A'], _892254), _893188, fail)), '$restore_trace'(_893206, _893208))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_893206, _893208))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _892254), _893188, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_892254)
   Fail: (231) [system] atomic(_892254)
   Call: (231) [system] atom_chars(_892254, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _846526='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _907204)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _909062)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _918656)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _921360)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _938294)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _943864)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _945722)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _961732)
   Exit: (229) [system] get_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', _943864)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _979374)
   Call: (231) [system] peek_char((0x560c892e10d0), _980308)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_985028, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _979374=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _943864)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _991464)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_992416, _992418), once(user:catch(read_from_chars(['B'], _991464), _992398, fail)), '$restore_trace'(_992416, _992418))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_992416, _992418))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _991464), _992398, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_991464)
   Fail: (232) [system] atomic(_991464)
   Call: (232) [system] atom_chars(_991464, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _943864='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1006414)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1008272)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1024282)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _1028072)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _1006414=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _907204=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (227) [system] _809866=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (226) [system] _620520=['OrLink', 'A', 'B']
   Exit: (226) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1041954)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1043812)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1059822)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _1063612)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _1041954=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _583860=[['OrLink', 'A', 'B']]
   Exit: (224) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', 'B']])
   Call: (223) [system] _6328=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (223) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
   Call: (222) [system] _6320=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1077494)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1079352)
   Exit: (222) [system] peek_char((0x560c892e10d0), '\n')
   Call: (222) [system] '\n'=(;)
   Fail: (222) [system] '\n'=(;)
   Call: (222) [system] '\n'=(/)
   Fail: (222) [system] '\n'=(/)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Fail: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x560c892e10d0), _1090802)
   Exit: (222) [system] get_char((0x560c892e10d0), '\n')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1093506)
   Exit: (223) [system] peek_char((0x560c892e10d0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x560c892e10d0), _1103100)
   Exit: (223) [system] get_char((0x560c892e10d0), '\t')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1105804)
   Exit: (224) [system] peek_char((0x560c892e10d0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x560c892e10d0), _1115398)
   Exit: (224) [system] get_char((0x560c892e10d0), '\t')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1118102)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1127696)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1130400)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1150106)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1155676)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1157534)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1173544)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1155676)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1179114)
   Exit: (224) [system] peek_char((0x560c892e10d0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1195124)
   Exit: (223) [system] peek_char((0x560c892e10d0), :)
   Call: (223) [system] (:)=')'
   Fail: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1200694)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1202552)
   Exit: (225) [system] peek_char((0x560c892e10d0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1218562)
   Exit: (224) [system] get_char((0x560c892e10d0), :)
   Call: (224) [system] (:)='('
   Fail: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Fail: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Fail: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Fail: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Fail: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Fail: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Fail: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), :, _1200694)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1236204)
   Call: (226) [system] peek_char((0x560c892e10d0), _1237138)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1236204=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq([:], _1200694)
^  Call: (226) [user] classify_and_convert_charseq_([:], _1246422)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1247374, _1247376), once(user:catch(read_from_chars([:], _1246422), _1247356, fail)), '$restore_trace'(_1247374, _1247376))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1247374, _1247376))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1247356, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq_([:], :)
   Call: (226) [system] integer(:)
   Fail: (226) [system] integer(:)
   Call: (226) [system] _1200694=(:)
   Exit: (226) [system] (:)=(:)
^  Exit: (225) [user] classify_and_convert_charseq([:], :)
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1259502)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1261360)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1270954)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1273658)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1290592)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1296162)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1298020)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1314030)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1296162)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1319600)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1335610)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1341180)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1343038)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1359048)
   Exit: (227) [system] get_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1341180)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1376690)
   Call: (229) [system] peek_char((0x560c892e10d0), _1377624)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1382344, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1383276, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1390626)
   Call: (230) [system] peek_char((0x560c892e10d0), _1391560)
   Exit: (230) [system] peek_char((0x560c892e10d0), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Fail: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_1396280, v('(', ')', end_of_file), s)
   Fail: (231) [system] arg(_1397212, v('(', ')', end_of_file), s)
^  Fail: (230) [user] is_delimiter(s)
   Call: (230) [system] ')'==s
   Fail: (230) [system] ')'==s
   Call: (230) [system] get_char((0x560c892e10d0), s)
   Exit: (230) [system] get_char((0x560c892e10d0), s)
   Call: (230) [system] s=(\)
   Fail: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1404562)
   Call: (231) [system] peek_char((0x560c892e10d0), _1405496)
   Exit: (231) [system] peek_char((0x560c892e10d0), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Fail: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_1410216, v('(', ')', end_of_file), j)
   Fail: (232) [system] arg(_1411148, v('(', ')', end_of_file), j)
^  Fail: (231) [user] is_delimiter(j)
   Call: (231) [system] ')'==j
   Fail: (231) [system] ')'==j
   Call: (231) [system] get_char((0x560c892e10d0), j)
   Exit: (231) [system] get_char((0x560c892e10d0), j)
   Call: (231) [system] j=(\)
   Fail: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1418498)
   Call: (232) [system] peek_char((0x560c892e10d0), _1419432)
   Exit: (232) [system] peek_char((0x560c892e10d0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1424152, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1425084, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x560c892e10d0), u)
   Exit: (232) [system] get_char((0x560c892e10d0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1432434)
   Call: (233) [system] peek_char((0x560c892e10d0), _1433368)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1438088, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1439020, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1446370)
   Call: (234) [system] peek_char((0x560c892e10d0), _1447304)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1452024, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1452956, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1460306)
   Call: (235) [system] peek_char((0x560c892e10d0), _1461240)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1465960, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1466892, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1474242)
   Call: (236) [system] peek_char((0x560c892e10d0), _1475176)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1479896, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1480828, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1488178)
   Call: (237) [system] peek_char((0x560c892e10d0), _1489112)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1493832, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1494764, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1502114)
   Call: (238) [system] peek_char((0x560c892e10d0), _1503048)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1507768, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1508700, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1516050)
   Call: (239) [system] peek_char((0x560c892e10d0), _1516984)
   Exit: (239) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Fail: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_1521704, v('(', ')', end_of_file), 'I')
   Fail: (240) [system] arg(_1522636, v('(', ')', end_of_file), 'I')
^  Fail: (239) [user] is_delimiter('I')
   Call: (239) [system] ')'=='I'
   Fail: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x560c892e10d0), 'I')
   Exit: (239) [system] get_char((0x560c892e10d0), 'I')
   Call: (239) [system] 'I'=(\)
   Fail: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1529986)
   Call: (240) [system] peek_char((0x560c892e10d0), _1530920)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1535640, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1536572, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1543922)
   Call: (241) [system] peek_char((0x560c892e10d0), _1544856)
   Exit: (241) [system] peek_char((0x560c892e10d0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1549576, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1550508, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x560c892e10d0), t)
   Exit: (241) [system] get_char((0x560c892e10d0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1557858)
   Call: (242) [system] peek_char((0x560c892e10d0), _1558792)
   Exit: (242) [system] peek_char((0x560c892e10d0), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Fail: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1563512, v('(', ')', end_of_file), r)
   Fail: (243) [system] arg(_1564444, v('(', ')', end_of_file), r)
^  Fail: (242) [user] is_delimiter(r)
   Call: (242) [system] ')'==r
   Fail: (242) [system] ')'==r
   Call: (242) [system] get_char((0x560c892e10d0), r)
   Exit: (242) [system] get_char((0x560c892e10d0), r)
   Call: (242) [system] r=(\)
   Fail: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1571794)
   Call: (243) [system] peek_char((0x560c892e10d0), _1572728)
   Exit: (243) [system] peek_char((0x560c892e10d0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1577448, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1578380, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x560c892e10d0), o)
   Exit: (243) [system] get_char((0x560c892e10d0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1585730)
   Call: (244) [system] peek_char((0x560c892e10d0), _1586664)
   Exit: (244) [system] peek_char((0x560c892e10d0), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Fail: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1591384, v('(', ')', end_of_file), d)
   Fail: (245) [system] arg(_1592316, v('(', ')', end_of_file), d)
^  Fail: (244) [user] is_delimiter(d)
   Call: (244) [system] ')'==d
   Fail: (244) [system] ')'==d
   Call: (244) [system] get_char((0x560c892e10d0), d)
   Exit: (244) [system] get_char((0x560c892e10d0), d)
   Call: (244) [system] d=(\)
   Fail: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599666)
   Call: (245) [system] peek_char((0x560c892e10d0), _1600600)
   Exit: (245) [system] peek_char((0x560c892e10d0), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Fail: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_1605320, v('(', ')', end_of_file), u)
   Fail: (246) [system] arg(_1606252, v('(', ')', end_of_file), u)
^  Fail: (245) [user] is_delimiter(u)
   Call: (245) [system] ')'==u
   Fail: (245) [system] ')'==u
   Call: (245) [system] get_char((0x560c892e10d0), u)
   Exit: (245) [system] get_char((0x560c892e10d0), u)
   Call: (245) [system] u=(\)
   Fail: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _1613602)
   Call: (246) [system] peek_char((0x560c892e10d0), _1614536)
   Exit: (246) [system] peek_char((0x560c892e10d0), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Fail: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_1619256, v('(', ')', end_of_file), c)
   Fail: (247) [system] arg(_1620188, v('(', ')', end_of_file), c)
^  Fail: (246) [user] is_delimiter(c)
   Call: (246) [system] ')'==c
   Fail: (246) [system] ')'==c
   Call: (246) [system] get_char((0x560c892e10d0), c)
   Exit: (246) [system] get_char((0x560c892e10d0), c)
   Call: (246) [system] c=(\)
   Fail: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _1627538)
   Call: (247) [system] peek_char((0x560c892e10d0), _1628472)
   Exit: (247) [system] peek_char((0x560c892e10d0), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Fail: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1633192, v('(', ')', end_of_file), t)
   Fail: (248) [system] arg(_1634124, v('(', ')', end_of_file), t)
^  Fail: (247) [user] is_delimiter(t)
   Call: (247) [system] ')'==t
   Fail: (247) [system] ')'==t
   Call: (247) [system] get_char((0x560c892e10d0), t)
   Exit: (247) [system] get_char((0x560c892e10d0), t)
   Call: (247) [system] t=(\)
   Fail: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641474)
   Call: (248) [system] peek_char((0x560c892e10d0), _1642408)
   Exit: (248) [system] peek_char((0x560c892e10d0), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Fail: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1647128, v('(', ')', end_of_file), i)
   Fail: (249) [system] arg(_1648060, v('(', ')', end_of_file), i)
^  Fail: (248) [user] is_delimiter(i)
   Call: (248) [system] ')'==i
   Fail: (248) [system] ')'==i
   Call: (248) [system] get_char((0x560c892e10d0), i)
   Exit: (248) [system] get_char((0x560c892e10d0), i)
   Call: (248) [system] i=(\)
   Fail: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655410)
   Call: (249) [system] peek_char((0x560c892e10d0), _1656344)
   Exit: (249) [system] peek_char((0x560c892e10d0), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Fail: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1661064, v('(', ')', end_of_file), o)
   Fail: (250) [system] arg(_1661996, v('(', ')', end_of_file), o)
^  Fail: (249) [user] is_delimiter(o)
   Call: (249) [system] ')'==o
   Fail: (249) [system] ')'==o
   Call: (249) [system] get_char((0x560c892e10d0), o)
   Exit: (249) [system] get_char((0x560c892e10d0), o)
   Call: (249) [system] o=(\)
   Fail: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669346)
   Call: (250) [system] peek_char((0x560c892e10d0), _1670280)
   Exit: (250) [system] peek_char((0x560c892e10d0), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Fail: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1675000, v('(', ')', end_of_file), n)
   Fail: (251) [system] arg(_1675932, v('(', ')', end_of_file), n)
^  Fail: (250) [user] is_delimiter(n)
   Call: (250) [system] ')'==n
   Fail: (250) [system] ')'==n
   Call: (250) [system] get_char((0x560c892e10d0), n)
   Exit: (250) [system] get_char((0x560c892e10d0), n)
   Call: (250) [system] n=(\)
   Fail: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683282)
   Call: (251) [system] peek_char((0x560c892e10d0), _1684216)
   Exit: (251) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1683282=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (250) [system] _1669346=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (249) [system] _1655410=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (248) [system] _1641474=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (247) [system] _1627538=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (246) [system] _1613602=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (245) [system] _1599666=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (244) [system] _1585730=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (243) [system] _1571794=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _1557858=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1543922=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1529986=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1516050=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1502114=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1488178=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1474242=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1460306=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1446370=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1432434=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1418498=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1404562=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1390626=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1376690=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1341180)
^  Call: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1755920, _1755922), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968), _1755902, fail)), '$restore_trace'(_1755920, _1755922))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1755920, _1755922))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968), _1755902, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1754968)
   Fail: (230) [system] atomic(_1754968)
   Call: (230) [system] atom_chars(_1754968, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (229) [system] integer('DisjunctionIntroduction')
   Fail: (229) [system] integer('DisjunctionIntroduction')
   Call: (229) [system] _1341180='DisjunctionIntroduction'
   Exit: (229) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1769918)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1771776)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1781370)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1784074)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1801008)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1806578)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1808436)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1824446)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), a, _1806578)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1842088)
   Call: (230) [system] peek_char((0x560c892e10d0), _1843022)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1842088=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _1806578)
^  Call: (230) [user] classify_and_convert_charseq_([a], _1852306)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1853258, _1853260), once(user:catch(read_from_chars([a], _1852306), _1853240, fail)), '$restore_trace'(_1853258, _1853260))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1853258, _1853260))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1853240, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _1806578=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1865386)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1867244)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1876838)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1879542)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1896476)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1902046)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1903904)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1919914)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), a, _1902046)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1937556)
   Call: (231) [system] peek_char((0x560c892e10d0), _1938490)
   Exit: (231) [system] peek_char((0x560c892e10d0), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Fail: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_1943210, v('(', ')', end_of_file), b)
   Fail: (232) [system] arg(_1944142, v('(', ')', end_of_file), b)
^  Fail: (231) [user] is_delimiter(b)
   Call: (231) [system] ')'==b
   Fail: (231) [system] ')'==b
   Call: (231) [system] get_char((0x560c892e10d0), b)
   Exit: (231) [system] get_char((0x560c892e10d0), b)
   Call: (231) [system] b=(\)
   Fail: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1951492)
   Call: (232) [system] peek_char((0x560c892e10d0), _1952426)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1957146, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1958078, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1965428)
   Call: (233) [system] peek_char((0x560c892e10d0), _1966362)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1971082, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1965428=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1951492=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (231) [system] _1937556=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (230) [user] classify_and_convert_charseq([a, b, c], _1902046)
^  Call: (231) [user] classify_and_convert_charseq_([a, b, c], _1983106)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1984058, _1984060), once(user:catch(read_from_chars([a, b, c], _1983106), _1984040, fail)), '$restore_trace'(_1984058, _1984060))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1984058, _1984060))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1984040, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(abc)
   Exit: (232) [system] atomic(abc)
^  Exit: (231) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (231) [system] integer(abc)
   Fail: (231) [system] integer(abc)
   Call: (231) [system] _1902046=abc
   Exit: (231) [system] abc=abc
^  Exit: (230) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1996186)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1998044)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2014054)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _2017844)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _1996186=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _1865386=[abc]
   Exit: (228) [system] [abc]=[abc]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (227) [system] _1769918=[a, abc]
   Exit: (227) [system] [a, abc]=[a, abc]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (226) [system] _1296162=['DisjunctionIntroduction', a, abc]
   Exit: (226) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _2031726)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _2033584)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _2043178)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2045882)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2062816)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _2068386)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2070244)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _2086254)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _2068386)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _2091824)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _17462)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _23032)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _24890)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _40900)
   Exit: (228) [system] get_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', _23032)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _58542)
   Call: (230) [system] peek_char((0x560c892e10d0), _59476)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_64196, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_65128, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _72478)
   Call: (231) [system] peek_char((0x560c892e10d0), _73412)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_78132, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_79064, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _86414)
   Call: (232) [system] peek_char((0x560c892e10d0), _87348)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_92068, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_93000, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _100350)
   Call: (233) [system] peek_char((0x560c892e10d0), _101284)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_106004, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_106936, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _114286)
   Call: (234) [system] peek_char((0x560c892e10d0), _115220)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_119940, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_120872, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _128222)
   Call: (235) [system] peek_char((0x560c892e10d0), _129156)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _128222=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _114286=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _100350=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _86414=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _72478=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _58542=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _23032)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _152410)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_153362, _153364), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _152410), _153344, fail)), '$restore_trace'(_153362, _153364))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_153362, _153364))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _152410), _153344, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_152410)
   Fail: (231) [system] atomic(_152410)
   Call: (231) [system] atom_chars(_152410, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _23032='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _167360)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _169218)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _178812)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _181516)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _198450)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _204020)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _205878)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _221888)
   Exit: (229) [system] get_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', _204020)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _239530)
   Call: (231) [system] peek_char((0x560c892e10d0), _240464)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _239530=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _204020)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _249748)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_250700, _250702), once(user:catch(read_from_chars(['B'], _249748), _250682, fail)), '$restore_trace'(_250700, _250702))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_250700, _250702))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _249748), _250682, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_249748)
   Fail: (232) [system] atomic(_249748)
   Call: (232) [system] atom_chars(_249748, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _204020='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _264698)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _266556)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _276150)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _278854)
   Exit: (231) [system] peek_char((0x560c892e10d0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _295788)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _301358)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _303216)
   Exit: (231) [system] peek_char((0x560c892e10d0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _319226)
   Exit: (230) [system] get_char((0x560c892e10d0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _301358)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _324796)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'=(;)
   Fail: (232) [system] 'I'=(;)
   Call: (232) [system] 'I'=(/)
   Fail: (232) [system] 'I'=(/)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Fail: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Fail: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
   Fail: (233) [system] char_type('I', cntrl)
^  Fail: (232) [user] is_like_space('I')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _340806)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'I')
   Call: (231) [system] 'I'=')'
   Fail: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
   Fail: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _346376)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _348234)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
   Call: (233) [system] 'I'=(/)
   Fail: (233) [system] 'I'=(/)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _364244)
   Exit: (232) [system] get_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'='('
   Fail: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Fail: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Fail: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Fail: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Fail: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Fail: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Fail: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'I', _346376)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _381886)
   Call: (234) [system] peek_char((0x560c892e10d0), _382820)
   Exit: (234) [system] peek_char((0x560c892e10d0), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Fail: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_387540, v('(', ')', end_of_file), m)
   Fail: (235) [system] arg(_388472, v('(', ')', end_of_file), m)
^  Fail: (234) [user] is_delimiter(m)
   Call: (234) [system] ')'==m
   Fail: (234) [system] ')'==m
   Call: (234) [system] get_char((0x560c892e10d0), m)
   Exit: (234) [system] get_char((0x560c892e10d0), m)
   Call: (234) [system] m=(\)
   Fail: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _395822)
   Call: (235) [system] peek_char((0x560c892e10d0), _396756)
   Exit: (235) [system] peek_char((0x560c892e10d0), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Fail: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_401476, v('(', ')', end_of_file), p)
   Fail: (236) [system] arg(_402408, v('(', ')', end_of_file), p)
^  Fail: (235) [user] is_delimiter(p)
   Call: (235) [system] ')'==p
   Fail: (235) [system] ')'==p
   Call: (235) [system] get_char((0x560c892e10d0), p)
   Exit: (235) [system] get_char((0x560c892e10d0), p)
   Call: (235) [system] p=(\)
   Fail: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _409758)
   Call: (236) [system] peek_char((0x560c892e10d0), _410692)
   Exit: (236) [system] peek_char((0x560c892e10d0), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Fail: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_415412, v('(', ')', end_of_file), l)
   Fail: (237) [system] arg(_416344, v('(', ')', end_of_file), l)
^  Fail: (236) [user] is_delimiter(l)
   Call: (236) [system] ')'==l
   Fail: (236) [system] ')'==l
   Call: (236) [system] get_char((0x560c892e10d0), l)
   Exit: (236) [system] get_char((0x560c892e10d0), l)
   Call: (236) [system] l=(\)
   Fail: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _423694)
   Call: (237) [system] peek_char((0x560c892e10d0), _424628)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_429348, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_430280, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _437630)
   Call: (238) [system] peek_char((0x560c892e10d0), _438564)
   Exit: (238) [system] peek_char((0x560c892e10d0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_443284, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_444216, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x560c892e10d0), c)
   Exit: (238) [system] get_char((0x560c892e10d0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _451566)
   Call: (239) [system] peek_char((0x560c892e10d0), _452500)
   Exit: (239) [system] peek_char((0x560c892e10d0), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Fail: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_457220, v('(', ')', end_of_file), a)
   Fail: (240) [system] arg(_458152, v('(', ')', end_of_file), a)
^  Fail: (239) [user] is_delimiter(a)
   Call: (239) [system] ')'==a
   Fail: (239) [system] ')'==a
   Call: (239) [system] get_char((0x560c892e10d0), a)
   Exit: (239) [system] get_char((0x560c892e10d0), a)
   Call: (239) [system] a=(\)
   Fail: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _465502)
   Call: (240) [system] peek_char((0x560c892e10d0), _466436)
   Exit: (240) [system] peek_char((0x560c892e10d0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_471156, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_472088, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x560c892e10d0), t)
   Exit: (240) [system] get_char((0x560c892e10d0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _479438)
   Call: (241) [system] peek_char((0x560c892e10d0), _480372)
   Exit: (241) [system] peek_char((0x560c892e10d0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_485092, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_486024, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x560c892e10d0), i)
   Exit: (241) [system] get_char((0x560c892e10d0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _493374)
   Call: (242) [system] peek_char((0x560c892e10d0), _494308)
   Exit: (242) [system] peek_char((0x560c892e10d0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_499028, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_499960, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x560c892e10d0), o)
   Exit: (242) [system] get_char((0x560c892e10d0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _507310)
   Call: (243) [system] peek_char((0x560c892e10d0), _508244)
   Exit: (243) [system] peek_char((0x560c892e10d0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_512964, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_513896, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x560c892e10d0), n)
   Exit: (243) [system] get_char((0x560c892e10d0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _521246)
   Call: (244) [system] peek_char((0x560c892e10d0), _522180)
   Exit: (244) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _521246=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (243) [system] _507310=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (242) [system] _493374=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (241) [system] _479438=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (240) [system] _465502=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (239) [system] _451566=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (238) [system] _437630=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (237) [system] _423694=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (236) [system] _409758=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _395822=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _381886=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _346376)
^  Call: (234) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _559404)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_560356, _560358), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _559404), _560338, fail)), '$restore_trace'(_560356, _560358))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_560356, _560358))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _559404), _560338, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_559404)
   Fail: (235) [system] atomic(_559404)
   Call: (235) [system] atom_chars(_559404, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (235) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (234) [system] integer('Implication')
   Fail: (234) [system] integer('Implication')
   Call: (234) [system] _346376='Implication'
   Exit: (234) [system] 'Implication'='Implication'
^  Exit: (233) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _574354)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _576212)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x560c892e10d0), _585806)
   Exit: (233) [system] get_char((0x560c892e10d0), ' ')
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _588510)
   Exit: (234) [system] peek_char((0x560c892e10d0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
   Call: (234) [system] '('=(/)
   Fail: (234) [system] '('=(/)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _605444)
   Exit: (232) [system] peek_char((0x560c892e10d0), '(')
   Call: (232) [system] '('=')'
   Fail: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
   Fail: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _611014)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _612872)
   Exit: (234) [system] peek_char((0x560c892e10d0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
   Call: (234) [system] '('=(/)
   Fail: (234) [system] '('=(/)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _628882)
   Exit: (233) [system] get_char((0x560c892e10d0), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x560c892e10d0), _611014)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _634452)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'A')
   Call: (235) [system] 'A'=(;)
   Fail: (235) [system] 'A'=(;)
   Call: (235) [system] 'A'=(/)
   Fail: (235) [system] 'A'=(/)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Fail: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Fail: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Fail: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
   Fail: (236) [system] char_type('A', cntrl)
^  Fail: (235) [user] is_like_space('A')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _650462)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'A')
   Call: (234) [system] 'A'=')'
   Fail: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
   Fail: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x560c892e10d0), _656032)
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _657890)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'A')
   Call: (236) [system] 'A'=(;)
   Fail: (236) [system] 'A'=(;)
   Call: (236) [system] 'A'=(/)
   Fail: (236) [system] 'A'=(/)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Fail: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Fail: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Fail: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
   Fail: (237) [system] char_type('A', cntrl)
^  Fail: (236) [user] is_like_space('A')
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] get_char((0x560c892e10d0), _673900)
   Exit: (235) [system] get_char((0x560c892e10d0), 'A')
   Call: (235) [system] 'A'='('
   Fail: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Fail: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Fail: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Fail: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Fail: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Fail: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Fail: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x560c892e10d0), 'A', _656032)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _691542)
   Call: (237) [system] peek_char((0x560c892e10d0), _692476)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_697196, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_698128, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _705478)
   Call: (238) [system] peek_char((0x560c892e10d0), _706412)
   Exit: (238) [system] peek_char((0x560c892e10d0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_711132, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_712064, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x560c892e10d0), d)
   Exit: (238) [system] get_char((0x560c892e10d0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _719414)
   Call: (239) [system] peek_char((0x560c892e10d0), _720348)
   Exit: (239) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_725068, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_726000, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x560c892e10d0), 'L')
   Exit: (239) [system] get_char((0x560c892e10d0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _733350)
   Call: (240) [system] peek_char((0x560c892e10d0), _734284)
   Exit: (240) [system] peek_char((0x560c892e10d0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_739004, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_739936, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x560c892e10d0), i)
   Exit: (240) [system] get_char((0x560c892e10d0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _747286)
   Call: (241) [system] peek_char((0x560c892e10d0), _748220)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_752940, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_753872, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _761222)
   Call: (242) [system] peek_char((0x560c892e10d0), _762156)
   Exit: (242) [system] peek_char((0x560c892e10d0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_766876, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_767808, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x560c892e10d0), k)
   Exit: (242) [system] get_char((0x560c892e10d0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _775158)
   Call: (243) [system] peek_char((0x560c892e10d0), _776092)
   Exit: (243) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _775158=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (242) [system] _761222=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (241) [system] _747286=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (240) [system] _733350=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (239) [system] _719414=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (238) [system] _705478=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (237) [system] _691542=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _656032)
^  Call: (237) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _802140)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_803092, _803094), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802140), _803074, fail)), '$restore_trace'(_803092, _803094))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_803092, _803094))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802140), _803074, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_802140)
   Fail: (238) [system] atomic(_802140)
   Call: (238) [system] atom_chars(_802140, ['A', n, d, 'L', i, n, k])
   Exit: (238) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (237) [system] integer('AndLink')
   Fail: (237) [system] integer('AndLink')
   Call: (237) [system] _656032='AndLink'
   Exit: (237) [system] 'AndLink'='AndLink'
^  Exit: (236) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (234) [user] read_list(')', (0x560c892e10d0), _817090)
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _818948)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
   Call: (236) [system] ' '=(;)
   Fail: (236) [system] ' '=(;)
   Call: (236) [system] ' '=(/)
   Fail: (236) [system] ' '=(/)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x560c892e10d0), _828542)
   Exit: (236) [system] get_char((0x560c892e10d0), ' ')
^  Call: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _831246)
   Exit: (237) [system] peek_char((0x560c892e10d0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
   Call: (237) [system] 'A'=(/)
   Fail: (237) [system] 'A'=(/)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x560c892e10d0))
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _848180)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'A')
   Call: (235) [system] 'A'=')'
   Fail: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x560c892e10d0), _853750)
^  Call: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _855608)
   Exit: (237) [system] peek_char((0x560c892e10d0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
   Call: (237) [system] 'A'=(/)
   Fail: (237) [system] 'A'=(/)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] get_char((0x560c892e10d0), _871618)
   Exit: (236) [system] get_char((0x560c892e10d0), 'A')
   Call: (236) [system] 'A'='('
   Fail: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Fail: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Fail: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Fail: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Fail: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Fail: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Fail: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
   Fail: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x560c892e10d0), 'A', _853750)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _889260)
   Call: (238) [system] peek_char((0x560c892e10d0), _890194)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _889260=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (237) [user] classify_and_convert_charseq(['A'], _853750)
^  Call: (238) [user] classify_and_convert_charseq_(['A'], _899478)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_900430, _900432), once(user:catch(read_from_chars(['A'], _899478), _900412, fail)), '$restore_trace'(_900430, _900432))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_900430, _900432))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _899478), _900412, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_899478)
   Fail: (239) [system] atomic(_899478)
   Call: (239) [system] atom_chars(_899478, ['A'])
   Exit: (239) [system] atom_chars('A', ['A'])
^  Exit: (238) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (238) [system] integer('A')
   Fail: (238) [system] integer('A')
   Call: (238) [system] _853750='A'
   Exit: (238) [system] 'A'='A'
^  Exit: (237) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (235) [user] read_list(')', (0x560c892e10d0), _914428)
^  Call: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _916286)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
   Call: (237) [system] ' '=(/)
   Fail: (237) [system] ' '=(/)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x560c892e10d0), _925880)
   Exit: (237) [system] get_char((0x560c892e10d0), ' ')
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _928584)
   Exit: (238) [system] peek_char((0x560c892e10d0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
   Call: (238) [system] 'B'=(/)
   Fail: (238) [system] 'B'=(/)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
^  Exit: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _945518)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'B')
   Call: (236) [system] 'B'=')'
   Fail: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
   Fail: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x560c892e10d0), _951088)
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _952946)
   Exit: (238) [system] peek_char((0x560c892e10d0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
   Call: (238) [system] 'B'=(/)
   Fail: (238) [system] 'B'=(/)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] get_char((0x560c892e10d0), _968956)
   Exit: (237) [system] get_char((0x560c892e10d0), 'B')
   Call: (237) [system] 'B'='('
   Fail: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Fail: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Fail: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Fail: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Fail: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Fail: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Fail: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
   Fail: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x560c892e10d0), 'B', _951088)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _986598)
   Call: (239) [system] peek_char((0x560c892e10d0), _987532)
   Exit: (239) [system] peek_char((0x560c892e10d0), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_992252, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _986598=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (238) [user] classify_and_convert_charseq(['B'], _951088)
^  Call: (239) [user] classify_and_convert_charseq_(['B'], _998688)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_999640, _999642), once(user:catch(read_from_chars(['B'], _998688), _999622, fail)), '$restore_trace'(_999640, _999642))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_999640, _999642))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _998688), _999622, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_998688)
   Fail: (240) [system] atomic(_998688)
   Call: (240) [system] atom_chars(_998688, ['B'])
   Exit: (240) [system] atom_chars('B', ['B'])
^  Exit: (239) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (239) [system] integer('B')
   Fail: (239) [system] integer('B')
   Call: (239) [system] _951088='B'
   Exit: (239) [system] 'B'='B'
^  Exit: (238) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (236) [user] read_list(')', (0x560c892e10d0), _1013638)
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _1015496)
   Exit: (238) [system] peek_char((0x560c892e10d0), ')')
   Call: (238) [system] ')'=(;)
   Fail: (238) [system] ')'=(;)
   Call: (238) [system] ')'=(/)
   Fail: (238) [system] ')'=(/)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Fail: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Fail: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Fail: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
   Fail: (239) [system] char_type(')', cntrl)
^  Fail: (238) [user] is_like_space(')')
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _1031506)
   Exit: (237) [system] peek_char((0x560c892e10d0), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x560c892e10d0), _1035296)
   Exit: (237) [system] get_char((0x560c892e10d0), ')')
   Call: (237) [system] _1013638=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x560c892e10d0), [])
   Call: (236) [system] _914428=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (235) [system] _817090=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (234) [system] _611014=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _1049178)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1051036)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x560c892e10d0), _1060630)
   Exit: (234) [system] get_char((0x560c892e10d0), ' ')
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _1063334)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1080268)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'C')
   Call: (233) [system] 'C'=')'
   Fail: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x560c892e10d0), _1085838)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _1087696)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] get_char((0x560c892e10d0), _1103706)
   Exit: (234) [system] get_char((0x560c892e10d0), 'C')
   Call: (234) [system] 'C'='('
   Fail: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Fail: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Fail: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Fail: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Fail: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Fail: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Fail: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
   Fail: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1085838)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121348)
   Call: (236) [system] peek_char((0x560c892e10d0), _1122282)
   Exit: (236) [system] peek_char((0x560c892e10d0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1127002, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1121348=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (235) [user] classify_and_convert_charseq(['C'], _1085838)
^  Call: (236) [user] classify_and_convert_charseq_(['C'], _1133438)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1134390, _1134392), once(user:catch(read_from_chars(['C'], _1133438), _1134372, fail)), '$restore_trace'(_1134390, _1134392))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1134390, _1134392))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1133438), _1134372, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1133438)
   Fail: (237) [system] atomic(_1133438)
   Call: (237) [system] atom_chars(_1133438, ['C'])
   Exit: (237) [system] atom_chars('C', ['C'])
^  Exit: (236) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (236) [system] integer('C')
   Fail: (236) [system] integer('C')
   Call: (236) [system] _1085838='C'
   Exit: (236) [system] 'C'='C'
^  Exit: (235) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (233) [user] read_list(')', (0x560c892e10d0), _1148388)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _1150246)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1166256)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x560c892e10d0), _1170046)
   Exit: (234) [system] get_char((0x560c892e10d0), ')')
   Call: (234) [system] _1148388=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x560c892e10d0), [])
   Call: (233) [system] _1049178=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (232) [system] _574354=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _301358=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1183928)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1185786)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1201796)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _1205586)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _1183928=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _264698=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _167360=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (227) [system] _6416=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1219468)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1221326)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1237336)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1241126)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1219468=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _6412=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _6388=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (223) [system] _6380=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1255008)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1256866)
   Exit: (223) [system] peek_char((0x560c892e10d0), '\n')
   Call: (223) [system] '\n'=(;)
   Fail: (223) [system] '\n'=(;)
   Call: (223) [system] '\n'=(/)
   Fail: (223) [system] '\n'=(/)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Fail: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x560c892e10d0), _1268316)
   Exit: (223) [system] get_char((0x560c892e10d0), '\n')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1271020)
   Exit: (224) [system] peek_char((0x560c892e10d0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x560c892e10d0), _1280614)
   Exit: (224) [system] get_char((0x560c892e10d0), '\t')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1283318)
   Exit: (225) [system] peek_char((0x560c892e10d0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x560c892e10d0), _1292912)
   Exit: (225) [system] get_char((0x560c892e10d0), '\t')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1295616)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1305210)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1307914)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1327620)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1333190)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1335048)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1351058)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1333190)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1356628)
   Exit: (225) [system] peek_char((0x560c892e10d0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1372638)
   Exit: (224) [system] peek_char((0x560c892e10d0), :)
   Call: (224) [system] (:)=')'
   Fail: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1378208)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1380066)
   Exit: (226) [system] peek_char((0x560c892e10d0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1396076)
   Exit: (225) [system] get_char((0x560c892e10d0), :)
   Call: (225) [system] (:)='('
   Fail: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Fail: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Fail: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Fail: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Fail: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Fail: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Fail: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), :, _1378208)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1413718)
   Call: (227) [system] peek_char((0x560c892e10d0), _1414652)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1413718=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq([:], _1378208)
^  Call: (227) [user] classify_and_convert_charseq_([:], _1423936)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1424888, _1424890), once(user:catch(read_from_chars([:], _1423936), _1424870, fail)), '$restore_trace'(_1424888, _1424890))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1424888, _1424890))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1424870, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq_([:], :)
   Call: (227) [system] integer(:)
   Fail: (227) [system] integer(:)
   Call: (227) [system] _1378208=(:)
   Exit: (227) [system] (:)=(:)
^  Exit: (226) [user] classify_and_convert_charseq([:], :)
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1437016)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1438874)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1448468)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1451172)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1468106)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1473676)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1475534)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1491544)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1473676)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1497114)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1513124)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1518694)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1520552)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1536562)
   Exit: (228) [system] get_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1518694)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1554204)
   Call: (230) [system] peek_char((0x560c892e10d0), _1555138)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1559858, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1560790, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1568140)
   Call: (231) [system] peek_char((0x560c892e10d0), _1569074)
   Exit: (231) [system] peek_char((0x560c892e10d0), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Fail: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1573794, v('(', ')', end_of_file), s)
   Fail: (232) [system] arg(_1574726, v('(', ')', end_of_file), s)
^  Fail: (231) [user] is_delimiter(s)
   Call: (231) [system] ')'==s
   Fail: (231) [system] ')'==s
   Call: (231) [system] get_char((0x560c892e10d0), s)
   Exit: (231) [system] get_char((0x560c892e10d0), s)
   Call: (231) [system] s=(\)
   Fail: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1582076)
   Call: (232) [system] peek_char((0x560c892e10d0), _1583010)
   Exit: (232) [system] peek_char((0x560c892e10d0), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Fail: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1587730, v('(', ')', end_of_file), j)
   Fail: (233) [system] arg(_1588662, v('(', ')', end_of_file), j)
^  Fail: (232) [user] is_delimiter(j)
   Call: (232) [system] ')'==j
   Fail: (232) [system] ')'==j
   Call: (232) [system] get_char((0x560c892e10d0), j)
   Exit: (232) [system] get_char((0x560c892e10d0), j)
   Call: (232) [system] j=(\)
   Fail: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1596012)
   Call: (233) [system] peek_char((0x560c892e10d0), _1596946)
   Exit: (233) [system] peek_char((0x560c892e10d0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1601666, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_1602598, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x560c892e10d0), u)
   Exit: (233) [system] get_char((0x560c892e10d0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1609948)
   Call: (234) [system] peek_char((0x560c892e10d0), _1610882)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1615602, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1616534, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1623884)
   Call: (235) [system] peek_char((0x560c892e10d0), _1624818)
   Exit: (235) [system] peek_char((0x560c892e10d0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1629538, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1630470, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x560c892e10d0), c)
   Exit: (235) [system] get_char((0x560c892e10d0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1637820)
   Call: (236) [system] peek_char((0x560c892e10d0), _1638754)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1643474, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1644406, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1651756)
   Call: (237) [system] peek_char((0x560c892e10d0), _1652690)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1657410, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1658342, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1665692)
   Call: (238) [system] peek_char((0x560c892e10d0), _1666626)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1671346, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1672278, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1679628)
   Call: (239) [system] peek_char((0x560c892e10d0), _1680562)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1685282, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1686214, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1693564)
   Call: (240) [system] peek_char((0x560c892e10d0), _1694498)
   Exit: (240) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Fail: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_1699218, v('(', ')', end_of_file), 'I')
   Fail: (241) [system] arg(_1700150, v('(', ')', end_of_file), 'I')
^  Fail: (240) [user] is_delimiter('I')
   Call: (240) [system] ')'=='I'
   Fail: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x560c892e10d0), 'I')
   Exit: (240) [system] get_char((0x560c892e10d0), 'I')
   Call: (240) [system] 'I'=(\)
   Fail: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1707500)
   Call: (241) [system] peek_char((0x560c892e10d0), _1708434)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1713154, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1714086, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1721436)
   Call: (242) [system] peek_char((0x560c892e10d0), _1722370)
   Exit: (242) [system] peek_char((0x560c892e10d0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1727090, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1728022, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x560c892e10d0), t)
   Exit: (242) [system] get_char((0x560c892e10d0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1735372)
   Call: (243) [system] peek_char((0x560c892e10d0), _1736306)
   Exit: (243) [system] peek_char((0x560c892e10d0), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Fail: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1741026, v('(', ')', end_of_file), r)
   Fail: (244) [system] arg(_1741958, v('(', ')', end_of_file), r)
^  Fail: (243) [user] is_delimiter(r)
   Call: (243) [system] ')'==r
   Fail: (243) [system] ')'==r
   Call: (243) [system] get_char((0x560c892e10d0), r)
   Exit: (243) [system] get_char((0x560c892e10d0), r)
   Call: (243) [system] r=(\)
   Fail: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1749308)
   Call: (244) [system] peek_char((0x560c892e10d0), _1750242)
   Exit: (244) [system] peek_char((0x560c892e10d0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1754962, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1755894, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x560c892e10d0), o)
   Exit: (244) [system] get_char((0x560c892e10d0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _1763244)
   Call: (245) [system] peek_char((0x560c892e10d0), _1764178)
   Exit: (245) [system] peek_char((0x560c892e10d0), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Fail: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_1768898, v('(', ')', end_of_file), d)
   Fail: (246) [system] arg(_1769830, v('(', ')', end_of_file), d)
^  Fail: (245) [user] is_delimiter(d)
   Call: (245) [system] ')'==d
   Fail: (245) [system] ')'==d
   Call: (245) [system] get_char((0x560c892e10d0), d)
   Exit: (245) [system] get_char((0x560c892e10d0), d)
   Call: (245) [system] d=(\)
   Fail: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _1777180)
   Call: (246) [system] peek_char((0x560c892e10d0), _1778114)
   Exit: (246) [system] peek_char((0x560c892e10d0), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Fail: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_1782834, v('(', ')', end_of_file), u)
   Fail: (247) [system] arg(_1783766, v('(', ')', end_of_file), u)
^  Fail: (246) [user] is_delimiter(u)
   Call: (246) [system] ')'==u
   Fail: (246) [system] ')'==u
   Call: (246) [system] get_char((0x560c892e10d0), u)
   Exit: (246) [system] get_char((0x560c892e10d0), u)
   Call: (246) [system] u=(\)
   Fail: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _1791116)
   Call: (247) [system] peek_char((0x560c892e10d0), _1792050)
   Exit: (247) [system] peek_char((0x560c892e10d0), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Fail: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1796770, v('(', ')', end_of_file), c)
   Fail: (248) [system] arg(_1797702, v('(', ')', end_of_file), c)
^  Fail: (247) [user] is_delimiter(c)
   Call: (247) [system] ')'==c
   Fail: (247) [system] ')'==c
   Call: (247) [system] get_char((0x560c892e10d0), c)
   Exit: (247) [system] get_char((0x560c892e10d0), c)
   Call: (247) [system] c=(\)
   Fail: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _1805052)
   Call: (248) [system] peek_char((0x560c892e10d0), _1805986)
   Exit: (248) [system] peek_char((0x560c892e10d0), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Fail: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_1810706, v('(', ')', end_of_file), t)
   Fail: (249) [system] arg(_1811638, v('(', ')', end_of_file), t)
^  Fail: (248) [user] is_delimiter(t)
   Call: (248) [system] ')'==t
   Fail: (248) [system] ')'==t
   Call: (248) [system] get_char((0x560c892e10d0), t)
   Exit: (248) [system] get_char((0x560c892e10d0), t)
   Call: (248) [system] t=(\)
   Fail: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _1818988)
   Call: (249) [system] peek_char((0x560c892e10d0), _1819922)
   Exit: (249) [system] peek_char((0x560c892e10d0), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Fail: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1824642, v('(', ')', end_of_file), i)
   Fail: (250) [system] arg(_1825574, v('(', ')', end_of_file), i)
^  Fail: (249) [user] is_delimiter(i)
   Call: (249) [system] ')'==i
   Fail: (249) [system] ')'==i
   Call: (249) [system] get_char((0x560c892e10d0), i)
   Exit: (249) [system] get_char((0x560c892e10d0), i)
   Call: (249) [system] i=(\)
   Fail: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), _1832924)
   Call: (250) [system] peek_char((0x560c892e10d0), _1833858)
   Exit: (250) [system] peek_char((0x560c892e10d0), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Fail: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1838578, v('(', ')', end_of_file), o)
   Fail: (251) [system] arg(_1839510, v('(', ')', end_of_file), o)
^  Fail: (250) [user] is_delimiter(o)
   Call: (250) [system] ')'==o
   Fail: (250) [system] ')'==o
   Call: (250) [system] get_char((0x560c892e10d0), o)
   Exit: (250) [system] get_char((0x560c892e10d0), o)
   Call: (250) [system] o=(\)
   Fail: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), _1846860)
   Call: (251) [system] peek_char((0x560c892e10d0), _1847794)
   Exit: (251) [system] peek_char((0x560c892e10d0), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Fail: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1852514, v('(', ')', end_of_file), n)
   Fail: (252) [system] arg(_1853446, v('(', ')', end_of_file), n)
^  Fail: (251) [user] is_delimiter(n)
   Call: (251) [system] ')'==n
   Fail: (251) [system] ')'==n
   Call: (251) [system] get_char((0x560c892e10d0), n)
   Exit: (251) [system] get_char((0x560c892e10d0), n)
   Call: (251) [system] n=(\)
   Fail: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), _1860796)
   Call: (252) [system] peek_char((0x560c892e10d0), _1861730)
   Exit: (252) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1860796=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (251) [system] _1846860=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (250) [system] _1832924=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (249) [system] _1818988=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (248) [system] _1805052=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (247) [system] _1791116=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (246) [system] _1777180=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (245) [system] _1763244=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (244) [system] _1749308=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _1735372=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1721436=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1707500=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1693564=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1679628=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1665692=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1651756=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1637820=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1623884=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1609948=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1596012=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1582076=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1568140=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1554204=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1518694)
^  Call: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1933434, _1933436), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482), _1933416, fail)), '$restore_trace'(_1933434, _1933436))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1933434, _1933436))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482), _1933416, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1932482)
   Fail: (231) [system] atomic(_1932482)
   Call: (231) [system] atom_chars(_1932482, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (230) [system] integer('DisjunctionIntroduction')
   Fail: (230) [system] integer('DisjunctionIntroduction')
   Call: (230) [system] _1518694='DisjunctionIntroduction'
   Exit: (230) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1947432)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1949290)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1958884)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1961588)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1978522)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1984092)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1985950)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _2001960)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), a, _1984092)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2019602)
   Call: (231) [system] peek_char((0x560c892e10d0), _2020536)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _2019602=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq([a], _1984092)
^  Call: (231) [user] classify_and_convert_charseq_([a], _2029820)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2030772, _2030774), once(user:catch(read_from_chars([a], _2029820), _2030754, fail)), '$restore_trace'(_2030772, _2030774))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2030772, _2030774))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2030754, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq_([a], a)
   Call: (231) [system] integer(a)
   Fail: (231) [system] integer(a)
   Call: (231) [system] _1984092=a
   Exit: (231) [system] a=a
^  Exit: (230) [user] classify_and_convert_charseq([a], a)
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _2042900)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _2044758)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _2054352)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _2057056)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
   Call: (231) [system] c=(/)
   Fail: (231) [system] c=(/)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2073990)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
   Call: (229) [system] c=')'
   Fail: (229) [system] c=')'
   Call: (229) [system] c=end_of_file
   Fail: (229) [system] c=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _2079560)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _2081418)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
   Call: (231) [system] c=(/)
   Fail: (231) [system] c=(/)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _7142)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c='('
   Fail: (230) [system] c='('
   Call: (230) [system] c='['
   Fail: (230) [system] c='['
   Call: (230) [system] c='{'
   Fail: (230) [system] c='{'
   Call: (230) [system] c='"'
   Fail: (230) [system] c='"'
   Call: (230) [system] c=!
   Fail: (230) [system] c=!
   Call: (230) [system] c='\''
   Fail: (230) [system] c='\''
   Call: (230) [system] c='`'
   Fail: (230) [system] c='`'
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), c, _6506)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _24784)
   Call: (232) [system] peek_char((0x560c892e10d0), _25718)
   Exit: (232) [system] peek_char((0x560c892e10d0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_30438, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_31370, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x560c892e10d0), d)
   Exit: (232) [system] get_char((0x560c892e10d0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _38720)
   Call: (233) [system] peek_char((0x560c892e10d0), _39654)
   Exit: (233) [system] peek_char((0x560c892e10d0), e)
^  Call: (233) [user] is_delimiter(e)
   Call: (234) [system] char_type(e, space)
   Fail: (234) [system] char_type(e, space)
   Call: (234) [system] arg(_44374, v('(', ')', end_of_file), e)
   Fail: (234) [system] arg(_45306, v('(', ')', end_of_file), e)
^  Fail: (233) [user] is_delimiter(e)
   Call: (233) [system] ')'==e
   Fail: (233) [system] ')'==e
   Call: (233) [system] get_char((0x560c892e10d0), e)
   Exit: (233) [system] get_char((0x560c892e10d0), e)
   Call: (233) [system] e=(\)
   Fail: (233) [system] e=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _52656)
   Call: (234) [system] peek_char((0x560c892e10d0), _53590)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_58310, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _52656=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _38720=[e]
   Exit: (233) [system] [e]=[e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (232) [system] _24784=[d, e]
   Exit: (232) [system] [d, e]=[d, e]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (231) [user] classify_and_convert_charseq([c, d, e], _6506)
^  Call: (232) [user] classify_and_convert_charseq_([c, d, e], _70334)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_71286, _71288), once(user:catch(read_from_chars([c, d, e], _70334), _71268, fail)), '$restore_trace'(_71286, _71288))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_71286, _71288))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _71268, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(cde)
   Exit: (233) [system] atomic(cde)
^  Exit: (232) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (232) [system] integer(cde)
   Fail: (232) [system] integer(cde)
   Call: (232) [system] _6506=cde
   Exit: (232) [system] cde=cde
^  Exit: (231) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _83414)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _85272)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _101282)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _105072)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _83414=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _6502=[cde]
   Exit: (229) [system] [cde]=[cde]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (228) [system] _6496=[a, cde]
   Exit: (228) [system] [a, cde]=[a, cde]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (227) [system] _6488=['DisjunctionIntroduction', a, cde]
   Exit: (227) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _118954)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _120812)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _130406)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _133110)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _150044)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _155614)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _157472)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _173482)
   Exit: (227) [system] get_char((0x560c892e10d0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _155614)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _179052)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _195062)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _200632)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _202490)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _218500)
   Exit: (229) [system] get_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', _200632)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _236142)
   Call: (231) [system] peek_char((0x560c892e10d0), _237076)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_241796, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_242728, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _250078)
   Call: (232) [system] peek_char((0x560c892e10d0), _251012)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_255732, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_256664, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x560c892e10d0), 'L')
   Exit: (232) [system] get_char((0x560c892e10d0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _264014)
   Call: (233) [system] peek_char((0x560c892e10d0), _264948)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_269668, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_270600, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _277950)
   Call: (234) [system] peek_char((0x560c892e10d0), _278884)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_283604, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_284536, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _291886)
   Call: (235) [system] peek_char((0x560c892e10d0), _292820)
   Exit: (235) [system] peek_char((0x560c892e10d0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_297540, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_298472, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x560c892e10d0), k)
   Exit: (235) [system] get_char((0x560c892e10d0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _305822)
   Call: (236) [system] peek_char((0x560c892e10d0), _306756)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _305822=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _291886=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (234) [system] _277950=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (233) [system] _264014=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (232) [system] _250078=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (231) [system] _236142=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _200632)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _330010)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_330962, _330964), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _330010), _330944, fail)), '$restore_trace'(_330962, _330964))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_330962, _330964))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _330010), _330944, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_330010)
   Fail: (232) [system] atomic(_330010)
   Call: (232) [system] atom_chars(_330010, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _200632='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _344960)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _346818)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _356412)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _359116)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _376050)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _381620)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _383478)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _399488)
   Exit: (230) [system] get_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'B', _381620)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _417130)
   Call: (232) [system] peek_char((0x560c892e10d0), _418064)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _417130=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _381620)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _427348)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_428300, _428302), once(user:catch(read_from_chars(['B'], _427348), _428282, fail)), '$restore_trace'(_428300, _428302))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_428300, _428302))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _427348), _428282, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_427348)
   Fail: (233) [system] atomic(_427348)
   Call: (233) [system] atom_chars(_427348, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _381620='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _442298)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _444156)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _453750)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _456454)
   Exit: (232) [system] peek_char((0x560c892e10d0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _473388)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _478958)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _480816)
   Exit: (232) [system] peek_char((0x560c892e10d0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _496826)
   Exit: (231) [system] get_char((0x560c892e10d0), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _478958)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _502396)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
   Call: (233) [system] 'I'=(/)
   Fail: (233) [system] 'I'=(/)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _518406)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'=')'
   Fail: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _523976)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _525834)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'I')
   Call: (234) [system] 'I'=(;)
   Fail: (234) [system] 'I'=(;)
   Call: (234) [system] 'I'=(/)
   Fail: (234) [system] 'I'=(/)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Fail: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Fail: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
   Fail: (235) [system] char_type('I', cntrl)
^  Fail: (234) [user] is_like_space('I')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _541844)
   Exit: (233) [system] get_char((0x560c892e10d0), 'I')
   Call: (233) [system] 'I'='('
   Fail: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Fail: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Fail: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Fail: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Fail: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Fail: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Fail: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
   Fail: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x560c892e10d0), 'I', _523976)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _559486)
   Call: (235) [system] peek_char((0x560c892e10d0), _560420)
   Exit: (235) [system] peek_char((0x560c892e10d0), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Fail: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_565140, v('(', ')', end_of_file), m)
   Fail: (236) [system] arg(_566072, v('(', ')', end_of_file), m)
^  Fail: (235) [user] is_delimiter(m)
   Call: (235) [system] ')'==m
   Fail: (235) [system] ')'==m
   Call: (235) [system] get_char((0x560c892e10d0), m)
   Exit: (235) [system] get_char((0x560c892e10d0), m)
   Call: (235) [system] m=(\)
   Fail: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _573422)
   Call: (236) [system] peek_char((0x560c892e10d0), _574356)
   Exit: (236) [system] peek_char((0x560c892e10d0), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Fail: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_579076, v('(', ')', end_of_file), p)
   Fail: (237) [system] arg(_580008, v('(', ')', end_of_file), p)
^  Fail: (236) [user] is_delimiter(p)
   Call: (236) [system] ')'==p
   Fail: (236) [system] ')'==p
   Call: (236) [system] get_char((0x560c892e10d0), p)
   Exit: (236) [system] get_char((0x560c892e10d0), p)
   Call: (236) [system] p=(\)
   Fail: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _587358)
   Call: (237) [system] peek_char((0x560c892e10d0), _588292)
   Exit: (237) [system] peek_char((0x560c892e10d0), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Fail: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_593012, v('(', ')', end_of_file), l)
   Fail: (238) [system] arg(_593944, v('(', ')', end_of_file), l)
^  Fail: (237) [user] is_delimiter(l)
   Call: (237) [system] ')'==l
   Fail: (237) [system] ')'==l
   Call: (237) [system] get_char((0x560c892e10d0), l)
   Exit: (237) [system] get_char((0x560c892e10d0), l)
   Call: (237) [system] l=(\)
   Fail: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _601294)
   Call: (238) [system] peek_char((0x560c892e10d0), _602228)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_606948, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_607880, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _615230)
   Call: (239) [system] peek_char((0x560c892e10d0), _616164)
   Exit: (239) [system] peek_char((0x560c892e10d0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_620884, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_621816, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x560c892e10d0), c)
   Exit: (239) [system] get_char((0x560c892e10d0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _629166)
   Call: (240) [system] peek_char((0x560c892e10d0), _630100)
   Exit: (240) [system] peek_char((0x560c892e10d0), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Fail: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_634820, v('(', ')', end_of_file), a)
   Fail: (241) [system] arg(_635752, v('(', ')', end_of_file), a)
^  Fail: (240) [user] is_delimiter(a)
   Call: (240) [system] ')'==a
   Fail: (240) [system] ')'==a
   Call: (240) [system] get_char((0x560c892e10d0), a)
   Exit: (240) [system] get_char((0x560c892e10d0), a)
   Call: (240) [system] a=(\)
   Fail: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _643102)
   Call: (241) [system] peek_char((0x560c892e10d0), _644036)
   Exit: (241) [system] peek_char((0x560c892e10d0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_648756, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_649688, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x560c892e10d0), t)
   Exit: (241) [system] get_char((0x560c892e10d0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _657038)
   Call: (242) [system] peek_char((0x560c892e10d0), _657972)
   Exit: (242) [system] peek_char((0x560c892e10d0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_662692, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_663624, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x560c892e10d0), i)
   Exit: (242) [system] get_char((0x560c892e10d0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _670974)
   Call: (243) [system] peek_char((0x560c892e10d0), _671908)
   Exit: (243) [system] peek_char((0x560c892e10d0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_676628, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_677560, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x560c892e10d0), o)
   Exit: (243) [system] get_char((0x560c892e10d0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _684910)
   Call: (244) [system] peek_char((0x560c892e10d0), _685844)
   Exit: (244) [system] peek_char((0x560c892e10d0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_690564, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_691496, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x560c892e10d0), n)
   Exit: (244) [system] get_char((0x560c892e10d0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _698846)
   Call: (245) [system] peek_char((0x560c892e10d0), _699780)
   Exit: (245) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _698846=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (244) [system] _684910=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (243) [system] _670974=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (242) [system] _657038=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (241) [system] _643102=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (240) [system] _629166=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (239) [system] _615230=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (238) [system] _601294=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (237) [system] _587358=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _573422=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _559486=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _523976)
^  Call: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _737004)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_737956, _737958), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _737004), _737938, fail)), '$restore_trace'(_737956, _737958))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_737956, _737958))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _737004), _737938, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_737004)
   Fail: (236) [system] atomic(_737004)
   Call: (236) [system] atom_chars(_737004, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (236) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (235) [system] integer('Implication')
   Fail: (235) [system] integer('Implication')
   Call: (235) [system] _523976='Implication'
   Exit: (235) [system] 'Implication'='Implication'
^  Exit: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _751954)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _753812)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x560c892e10d0), _763406)
   Exit: (234) [system] get_char((0x560c892e10d0), ' ')
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _766110)
   Exit: (235) [system] peek_char((0x560c892e10d0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _783044)
   Exit: (233) [system] peek_char((0x560c892e10d0), '(')
   Call: (233) [system] '('=')'
   Fail: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
   Fail: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x560c892e10d0), _788614)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _790472)
   Exit: (235) [system] peek_char((0x560c892e10d0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] get_char((0x560c892e10d0), _806482)
   Exit: (234) [system] get_char((0x560c892e10d0), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x560c892e10d0), _788614)
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _812052)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'O')
   Call: (236) [system] 'O'=(;)
   Fail: (236) [system] 'O'=(;)
   Call: (236) [system] 'O'=(/)
   Fail: (236) [system] 'O'=(/)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Fail: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Fail: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Fail: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
   Fail: (237) [system] char_type('O', cntrl)
^  Fail: (236) [user] is_like_space('O')
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _828062)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'O')
   Call: (235) [system] 'O'=')'
   Fail: (235) [system] 'O'=')'
   Call: (235) [system] 'O'=end_of_file
   Fail: (235) [system] 'O'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x560c892e10d0), _833632)
^  Call: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _835490)
   Exit: (237) [system] peek_char((0x560c892e10d0), 'O')
   Call: (237) [system] 'O'=(;)
   Fail: (237) [system] 'O'=(;)
   Call: (237) [system] 'O'=(/)
   Fail: (237) [system] 'O'=(/)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Fail: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Fail: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Fail: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
   Fail: (238) [system] char_type('O', cntrl)
^  Fail: (237) [user] is_like_space('O')
^  Exit: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] get_char((0x560c892e10d0), _851500)
   Exit: (236) [system] get_char((0x560c892e10d0), 'O')
   Call: (236) [system] 'O'='('
   Fail: (236) [system] 'O'='('
   Call: (236) [system] 'O'='['
   Fail: (236) [system] 'O'='['
   Call: (236) [system] 'O'='{'
   Fail: (236) [system] 'O'='{'
   Call: (236) [system] 'O'='"'
   Fail: (236) [system] 'O'='"'
   Call: (236) [system] 'O'=!
   Fail: (236) [system] 'O'=!
   Call: (236) [system] 'O'='\''
   Fail: (236) [system] 'O'='\''
   Call: (236) [system] 'O'='`'
   Fail: (236) [system] 'O'='`'
   Call: (236) [system] 'O'=end_of_file
   Fail: (236) [system] 'O'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x560c892e10d0), 'O', _833632)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _869142)
   Call: (238) [system] peek_char((0x560c892e10d0), _870076)
   Exit: (238) [system] peek_char((0x560c892e10d0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_874796, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_875728, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x560c892e10d0), r)
   Exit: (238) [system] get_char((0x560c892e10d0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _883078)
   Call: (239) [system] peek_char((0x560c892e10d0), _884012)
   Exit: (239) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_888732, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_889664, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x560c892e10d0), 'L')
   Exit: (239) [system] get_char((0x560c892e10d0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _897014)
   Call: (240) [system] peek_char((0x560c892e10d0), _897948)
   Exit: (240) [system] peek_char((0x560c892e10d0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_902668, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_903600, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x560c892e10d0), i)
   Exit: (240) [system] get_char((0x560c892e10d0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _910950)
   Call: (241) [system] peek_char((0x560c892e10d0), _911884)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_916604, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_917536, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _924886)
   Call: (242) [system] peek_char((0x560c892e10d0), _925820)
   Exit: (242) [system] peek_char((0x560c892e10d0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_930540, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_931472, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x560c892e10d0), k)
   Exit: (242) [system] get_char((0x560c892e10d0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _938822)
   Call: (243) [system] peek_char((0x560c892e10d0), _939756)
   Exit: (243) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _938822=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (242) [system] _924886=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (241) [system] _910950=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (240) [system] _897014=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (239) [system] _883078=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (238) [system] _869142=[r, 'L', i, n, k]
   Exit: (238) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _833632)
^  Call: (238) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _963010)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_963962, _963964), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _963010), _963944, fail)), '$restore_trace'(_963962, _963964))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_963962, _963964))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _963010), _963944, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_963010)
   Fail: (239) [system] atomic(_963010)
   Call: (239) [system] atom_chars(_963010, ['O', r, 'L', i, n, k])
   Exit: (239) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (238) [system] integer('OrLink')
   Fail: (238) [system] integer('OrLink')
   Call: (238) [system] _833632='OrLink'
   Exit: (238) [system] 'OrLink'='OrLink'
^  Exit: (237) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (236) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (235) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (235) [user] read_list(')', (0x560c892e10d0), _977960)
^  Call: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _979818)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
   Call: (237) [system] ' '=(/)
   Fail: (237) [system] ' '=(/)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x560c892e10d0), _989412)
   Exit: (237) [system] get_char((0x560c892e10d0), ' ')
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _992116)
   Exit: (238) [system] peek_char((0x560c892e10d0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
   Call: (238) [system] 'C'=(/)
   Fail: (238) [system] 'C'=(/)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
^  Exit: (236) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _1009050)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'C')
   Call: (236) [system] 'C'=')'
   Fail: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
   Fail: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x560c892e10d0), _1014620)
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _1016478)
   Exit: (238) [system] peek_char((0x560c892e10d0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
   Call: (238) [system] 'C'=(/)
   Fail: (238) [system] 'C'=(/)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] get_char((0x560c892e10d0), _1032488)
   Exit: (237) [system] get_char((0x560c892e10d0), 'C')
   Call: (237) [system] 'C'='('
   Fail: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Fail: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Fail: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Fail: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Fail: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Fail: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Fail: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
   Fail: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1014620)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1050130)
   Call: (239) [system] peek_char((0x560c892e10d0), _1051064)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1050130=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (238) [user] classify_and_convert_charseq(['C'], _1014620)
^  Call: (239) [user] classify_and_convert_charseq_(['C'], _1060348)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1061300, _1061302), once(user:catch(read_from_chars(['C'], _1060348), _1061282, fail)), '$restore_trace'(_1061300, _1061302))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1061300, _1061302))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1060348), _1061282, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1060348)
   Fail: (240) [system] atomic(_1060348)
   Call: (240) [system] atom_chars(_1060348, ['C'])
   Exit: (240) [system] atom_chars('C', ['C'])
^  Exit: (239) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (239) [system] integer('C')
   Fail: (239) [system] integer('C')
   Call: (239) [system] _1014620='C'
   Exit: (239) [system] 'C'='C'
^  Exit: (238) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (237) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (236) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (236) [user] read_list(')', (0x560c892e10d0), _1075298)
^  Call: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _1077156)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
   Call: (238) [system] ' '=(;)
   Fail: (238) [system] ' '=(;)
   Call: (238) [system] ' '=(/)
   Fail: (238) [system] ' '=(/)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x560c892e10d0), _1086750)
   Exit: (238) [system] get_char((0x560c892e10d0), ' ')
^  Call: (238) [user] skip_spaces((0x560c892e10d0))
   Call: (239) [system] peek_char((0x560c892e10d0), _1089454)
   Exit: (239) [system] peek_char((0x560c892e10d0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
   Call: (239) [system] 'D'=(/)
   Fail: (239) [system] 'D'=(/)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x560c892e10d0))
^  Exit: (237) [user] skip_spaces((0x560c892e10d0))
   Call: (237) [system] peek_char((0x560c892e10d0), _1106388)
   Exit: (237) [system] peek_char((0x560c892e10d0), 'D')
   Call: (237) [system] 'D'=')'
   Fail: (237) [system] 'D'=')'
   Call: (237) [system] 'D'=end_of_file
   Fail: (237) [system] 'D'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x560c892e10d0), _1111958)
^  Call: (238) [user] skip_spaces((0x560c892e10d0))
   Call: (239) [system] peek_char((0x560c892e10d0), _1113816)
   Exit: (239) [system] peek_char((0x560c892e10d0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
   Call: (239) [system] 'D'=(/)
   Fail: (239) [system] 'D'=(/)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] get_char((0x560c892e10d0), _1129826)
   Exit: (238) [system] get_char((0x560c892e10d0), 'D')
   Call: (238) [system] 'D'='('
   Fail: (238) [system] 'D'='('
   Call: (238) [system] 'D'='['
   Fail: (238) [system] 'D'='['
   Call: (238) [system] 'D'='{'
   Fail: (238) [system] 'D'='{'
   Call: (238) [system] 'D'='"'
   Fail: (238) [system] 'D'='"'
   Call: (238) [system] 'D'=!
   Fail: (238) [system] 'D'=!
   Call: (238) [system] 'D'='\''
   Fail: (238) [system] 'D'='\''
   Call: (238) [system] 'D'='`'
   Fail: (238) [system] 'D'='`'
   Call: (238) [system] 'D'=end_of_file
   Fail: (238) [system] 'D'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1111958)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1147468)
   Call: (240) [system] peek_char((0x560c892e10d0), _1148402)
   Exit: (240) [system] peek_char((0x560c892e10d0), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Fail: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_1153122, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _1147468=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (239) [user] classify_and_convert_charseq(['D'], _1111958)
^  Call: (240) [user] classify_and_convert_charseq_(['D'], _1159558)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1160510, _1160512), once(user:catch(read_from_chars(['D'], _1159558), _1160492, fail)), '$restore_trace'(_1160510, _1160512))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1160510, _1160512))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1159558), _1160492, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1159558)
   Fail: (241) [system] atomic(_1159558)
   Call: (241) [system] atom_chars(_1159558, ['D'])
   Exit: (241) [system] atom_chars('D', ['D'])
^  Exit: (240) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (240) [system] integer('D')
   Fail: (240) [system] integer('D')
   Call: (240) [system] _1111958='D'
   Exit: (240) [system] 'D'='D'
^  Exit: (239) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (238) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (237) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (237) [user] read_list(')', (0x560c892e10d0), _1174508)
^  Call: (238) [user] skip_spaces((0x560c892e10d0))
   Call: (239) [system] peek_char((0x560c892e10d0), _1176366)
   Exit: (239) [system] peek_char((0x560c892e10d0), ')')
   Call: (239) [system] ')'=(;)
   Fail: (239) [system] ')'=(;)
   Call: (239) [system] ')'=(/)
   Fail: (239) [system] ')'=(/)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Fail: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Fail: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
   Fail: (240) [system] char_type(')', cntrl)
^  Fail: (239) [user] is_like_space(')')
^  Exit: (238) [user] skip_spaces((0x560c892e10d0))
   Call: (238) [system] peek_char((0x560c892e10d0), _1192376)
   Exit: (238) [system] peek_char((0x560c892e10d0), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x560c892e10d0), _1196166)
   Exit: (238) [system] get_char((0x560c892e10d0), ')')
   Call: (238) [system] _1174508=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x560c892e10d0), [])
   Call: (237) [system] _1075298=['D']
   Exit: (237) [system] ['D']=['D']
^  Exit: (236) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (236) [system] _977960=['C', 'D']
   Exit: (236) [system] ['C', 'D']=['C', 'D']
^  Exit: (235) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (235) [system] _788614=['OrLink', 'C', 'D']
   Exit: (235) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (234) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (233) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (233) [user] read_list(')', (0x560c892e10d0), _1210048)
^  Call: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _1211906)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x560c892e10d0), _1221500)
   Exit: (235) [system] get_char((0x560c892e10d0), ' ')
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _1224204)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
   Call: (236) [system] 'E'=(/)
   Fail: (236) [system] 'E'=(/)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
^  Exit: (234) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1241138)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'E')
   Call: (234) [system] 'E'=')'
   Fail: (234) [system] 'E'=')'
   Call: (234) [system] 'E'=end_of_file
   Fail: (234) [system] 'E'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x560c892e10d0), _1246708)
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _1248566)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
   Call: (236) [system] 'E'=(/)
   Fail: (236) [system] 'E'=(/)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] get_char((0x560c892e10d0), _1264576)
   Exit: (235) [system] get_char((0x560c892e10d0), 'E')
   Call: (235) [system] 'E'='('
   Fail: (235) [system] 'E'='('
   Call: (235) [system] 'E'='['
   Fail: (235) [system] 'E'='['
   Call: (235) [system] 'E'='{'
   Fail: (235) [system] 'E'='{'
   Call: (235) [system] 'E'='"'
   Fail: (235) [system] 'E'='"'
   Call: (235) [system] 'E'=!
   Fail: (235) [system] 'E'=!
   Call: (235) [system] 'E'='\''
   Fail: (235) [system] 'E'='\''
   Call: (235) [system] 'E'='`'
   Fail: (235) [system] 'E'='`'
   Call: (235) [system] 'E'=end_of_file
   Fail: (235) [system] 'E'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1246708)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1282218)
   Call: (237) [system] peek_char((0x560c892e10d0), _1283152)
   Exit: (237) [system] peek_char((0x560c892e10d0), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1287872, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1282218=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (236) [user] classify_and_convert_charseq(['E'], _1246708)
^  Call: (237) [user] classify_and_convert_charseq_(['E'], _1294308)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1295260, _1295262), once(user:catch(read_from_chars(['E'], _1294308), _1295242, fail)), '$restore_trace'(_1295260, _1295262))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1295260, _1295262))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1294308), _1295242, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1294308)
   Fail: (238) [system] atomic(_1294308)
   Call: (238) [system] atom_chars(_1294308, ['E'])
   Exit: (238) [system] atom_chars('E', ['E'])
^  Exit: (237) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (237) [system] integer('E')
   Fail: (237) [system] integer('E')
   Call: (237) [system] _1246708='E'
   Exit: (237) [system] 'E'='E'
^  Exit: (236) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (235) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (234) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (234) [user] read_list(')', (0x560c892e10d0), _1309258)
^  Call: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (236) [system] peek_char((0x560c892e10d0), _1311116)
   Exit: (236) [system] peek_char((0x560c892e10d0), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
   Call: (236) [system] ')'=(/)
   Fail: (236) [system] ')'=(/)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x560c892e10d0))
   Call: (235) [system] peek_char((0x560c892e10d0), _1327126)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x560c892e10d0), _1330916)
   Exit: (235) [system] get_char((0x560c892e10d0), ')')
   Call: (235) [system] _1309258=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x560c892e10d0), [])
   Call: (234) [system] _1210048=['E']
   Exit: (234) [system] ['E']=['E']
^  Exit: (233) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (233) [system] _751954=[['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (232) [system] _478958=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (232) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1344798)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1346656)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1362666)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x560c892e10d0), _1366456)
   Exit: (231) [system] get_char((0x560c892e10d0), ')')
   Call: (231) [system] _1344798=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [])
   Call: (230) [system] _442298=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _344960=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (228) [system] _155614=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (228) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1380338)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1382196)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1398206)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1401996)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1380338=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _118954=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _6484=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (224) [system] _6476=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1415878)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1417736)
   Exit: (224) [system] peek_char((0x560c892e10d0), '\n')
   Call: (224) [system] '\n'=(;)
   Fail: (224) [system] '\n'=(;)
   Call: (224) [system] '\n'=(/)
   Fail: (224) [system] '\n'=(/)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Fail: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x560c892e10d0), _1429186)
   Exit: (224) [system] get_char((0x560c892e10d0), '\n')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1431890)
   Exit: (225) [system] peek_char((0x560c892e10d0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x560c892e10d0), _1441484)
   Exit: (225) [system] get_char((0x560c892e10d0), '\t')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1444188)
   Exit: (226) [system] peek_char((0x560c892e10d0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x560c892e10d0), _1453782)
   Exit: (226) [system] get_char((0x560c892e10d0), '\t')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1456486)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1466080)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1468784)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1488490)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1494060)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1495918)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1511928)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1494060)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1517498)
   Exit: (226) [system] peek_char((0x560c892e10d0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1533508)
   Exit: (225) [system] peek_char((0x560c892e10d0), :)
   Call: (225) [system] (:)=')'
   Fail: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1539078)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1540936)
   Exit: (227) [system] peek_char((0x560c892e10d0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1556946)
   Exit: (226) [system] get_char((0x560c892e10d0), :)
   Call: (226) [system] (:)='('
   Fail: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Fail: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Fail: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Fail: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Fail: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Fail: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Fail: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), :, _1539078)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1574588)
   Call: (228) [system] peek_char((0x560c892e10d0), _1575522)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1574588=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq([:], _1539078)
^  Call: (228) [user] classify_and_convert_charseq_([:], _1584806)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1585758, _1585760), once(user:catch(read_from_chars([:], _1584806), _1585740, fail)), '$restore_trace'(_1585758, _1585760))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1585758, _1585760))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1585740, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq_([:], :)
   Call: (228) [system] integer(:)
   Fail: (228) [system] integer(:)
   Call: (228) [system] _1539078=(:)
   Exit: (228) [system] (:)=(:)
^  Exit: (227) [user] classify_and_convert_charseq([:], :)
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1597886)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1599744)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1609338)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1612042)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1628976)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1634546)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1636404)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1652414)
   Exit: (227) [system] get_char((0x560c892e10d0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1634546)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1657984)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1673994)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1679564)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1681422)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1697432)
   Exit: (229) [system] get_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1679564)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1715074)
   Call: (231) [system] peek_char((0x560c892e10d0), _1716008)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1720728, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1721660, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1729010)
   Call: (232) [system] peek_char((0x560c892e10d0), _1729944)
   Exit: (232) [system] peek_char((0x560c892e10d0), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Fail: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_1734664, v('(', ')', end_of_file), s)
   Fail: (233) [system] arg(_1735596, v('(', ')', end_of_file), s)
^  Fail: (232) [user] is_delimiter(s)
   Call: (232) [system] ')'==s
   Fail: (232) [system] ')'==s
   Call: (232) [system] get_char((0x560c892e10d0), s)
   Exit: (232) [system] get_char((0x560c892e10d0), s)
   Call: (232) [system] s=(\)
   Fail: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1742946)
   Call: (233) [system] peek_char((0x560c892e10d0), _1743880)
   Exit: (233) [system] peek_char((0x560c892e10d0), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Fail: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_1748600, v('(', ')', end_of_file), j)
   Fail: (234) [system] arg(_1749532, v('(', ')', end_of_file), j)
^  Fail: (233) [user] is_delimiter(j)
   Call: (233) [system] ')'==j
   Fail: (233) [system] ')'==j
   Call: (233) [system] get_char((0x560c892e10d0), j)
   Exit: (233) [system] get_char((0x560c892e10d0), j)
   Call: (233) [system] j=(\)
   Fail: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1756882)
   Call: (234) [system] peek_char((0x560c892e10d0), _1757816)
   Exit: (234) [system] peek_char((0x560c892e10d0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1762536, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1763468, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x560c892e10d0), u)
   Exit: (234) [system] get_char((0x560c892e10d0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1770818)
   Call: (235) [system] peek_char((0x560c892e10d0), _1771752)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1776472, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1777404, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1784754)
   Call: (236) [system] peek_char((0x560c892e10d0), _1785688)
   Exit: (236) [system] peek_char((0x560c892e10d0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1790408, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1791340, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x560c892e10d0), c)
   Exit: (236) [system] get_char((0x560c892e10d0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1798690)
   Call: (237) [system] peek_char((0x560c892e10d0), _1799624)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1804344, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1805276, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1812626)
   Call: (238) [system] peek_char((0x560c892e10d0), _1813560)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1818280, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1819212, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1826562)
   Call: (239) [system] peek_char((0x560c892e10d0), _1827496)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1832216, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1833148, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1840498)
   Call: (240) [system] peek_char((0x560c892e10d0), _1841432)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1846152, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1847084, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1854434)
   Call: (241) [system] peek_char((0x560c892e10d0), _1855368)
   Exit: (241) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Fail: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_1860088, v('(', ')', end_of_file), 'I')
   Fail: (242) [system] arg(_1861020, v('(', ')', end_of_file), 'I')
^  Fail: (241) [user] is_delimiter('I')
   Call: (241) [system] ')'=='I'
   Fail: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x560c892e10d0), 'I')
   Exit: (241) [system] get_char((0x560c892e10d0), 'I')
   Call: (241) [system] 'I'=(\)
   Fail: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1868370)
   Call: (242) [system] peek_char((0x560c892e10d0), _1869304)
   Exit: (242) [system] peek_char((0x560c892e10d0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1874024, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1874956, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x560c892e10d0), n)
   Exit: (242) [system] get_char((0x560c892e10d0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1882306)
   Call: (243) [system] peek_char((0x560c892e10d0), _1883240)
   Exit: (243) [system] peek_char((0x560c892e10d0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1887960, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1888892, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x560c892e10d0), t)
   Exit: (243) [system] get_char((0x560c892e10d0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1896242)
   Call: (244) [system] peek_char((0x560c892e10d0), _1897176)
   Exit: (244) [system] peek_char((0x560c892e10d0), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Fail: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_1901896, v('(', ')', end_of_file), r)
   Fail: (245) [system] arg(_1902828, v('(', ')', end_of_file), r)
^  Fail: (244) [user] is_delimiter(r)
   Call: (244) [system] ')'==r
   Fail: (244) [system] ')'==r
   Call: (244) [system] get_char((0x560c892e10d0), r)
   Exit: (244) [system] get_char((0x560c892e10d0), r)
   Call: (244) [system] r=(\)
   Fail: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910178)
   Call: (245) [system] peek_char((0x560c892e10d0), _1911112)
   Exit: (245) [system] peek_char((0x560c892e10d0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1915832, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1916764, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x560c892e10d0), o)
   Exit: (245) [system] get_char((0x560c892e10d0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924114)
   Call: (246) [system] peek_char((0x560c892e10d0), _1925048)
   Exit: (246) [system] peek_char((0x560c892e10d0), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Fail: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_1929768, v('(', ')', end_of_file), d)
   Fail: (247) [system] arg(_1930700, v('(', ')', end_of_file), d)
^  Fail: (246) [user] is_delimiter(d)
   Call: (246) [system] ')'==d
   Fail: (246) [system] ')'==d
   Call: (246) [system] get_char((0x560c892e10d0), d)
   Exit: (246) [system] get_char((0x560c892e10d0), d)
   Call: (246) [system] d=(\)
   Fail: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _1938050)
   Call: (247) [system] peek_char((0x560c892e10d0), _1938984)
   Exit: (247) [system] peek_char((0x560c892e10d0), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Fail: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_1943704, v('(', ')', end_of_file), u)
   Fail: (248) [system] arg(_1944636, v('(', ')', end_of_file), u)
^  Fail: (247) [user] is_delimiter(u)
   Call: (247) [system] ')'==u
   Fail: (247) [system] ')'==u
   Call: (247) [system] get_char((0x560c892e10d0), u)
   Exit: (247) [system] get_char((0x560c892e10d0), u)
   Call: (247) [system] u=(\)
   Fail: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _1951986)
   Call: (248) [system] peek_char((0x560c892e10d0), _1952920)
   Exit: (248) [system] peek_char((0x560c892e10d0), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Fail: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1957640, v('(', ')', end_of_file), c)
   Fail: (249) [system] arg(_1958572, v('(', ')', end_of_file), c)
^  Fail: (248) [user] is_delimiter(c)
   Call: (248) [system] ')'==c
   Fail: (248) [system] ')'==c
   Call: (248) [system] get_char((0x560c892e10d0), c)
   Exit: (248) [system] get_char((0x560c892e10d0), c)
   Call: (248) [system] c=(\)
   Fail: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _1965922)
   Call: (249) [system] peek_char((0x560c892e10d0), _1966856)
   Exit: (249) [system] peek_char((0x560c892e10d0), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Fail: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_1971576, v('(', ')', end_of_file), t)
   Fail: (250) [system] arg(_1972508, v('(', ')', end_of_file), t)
^  Fail: (249) [user] is_delimiter(t)
   Call: (249) [system] ')'==t
   Fail: (249) [system] ')'==t
   Call: (249) [system] get_char((0x560c892e10d0), t)
   Exit: (249) [system] get_char((0x560c892e10d0), t)
   Call: (249) [system] t=(\)
   Fail: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), _1979858)
   Call: (250) [system] peek_char((0x560c892e10d0), _1980792)
   Exit: (250) [system] peek_char((0x560c892e10d0), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Fail: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1985512, v('(', ')', end_of_file), i)
   Fail: (251) [system] arg(_1986444, v('(', ')', end_of_file), i)
^  Fail: (250) [user] is_delimiter(i)
   Call: (250) [system] ')'==i
   Fail: (250) [system] ')'==i
   Call: (250) [system] get_char((0x560c892e10d0), i)
   Exit: (250) [system] get_char((0x560c892e10d0), i)
   Call: (250) [system] i=(\)
   Fail: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), _1993794)
   Call: (251) [system] peek_char((0x560c892e10d0), _1994728)
   Exit: (251) [system] peek_char((0x560c892e10d0), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Fail: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_1999448, v('(', ')', end_of_file), o)
   Fail: (252) [system] arg(_2000380, v('(', ')', end_of_file), o)
^  Fail: (251) [user] is_delimiter(o)
   Call: (251) [system] ')'==o
   Fail: (251) [system] ')'==o
   Call: (251) [system] get_char((0x560c892e10d0), o)
   Exit: (251) [system] get_char((0x560c892e10d0), o)
   Call: (251) [system] o=(\)
   Fail: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), _2007730)
   Call: (252) [system] peek_char((0x560c892e10d0), _2008664)
   Exit: (252) [system] peek_char((0x560c892e10d0), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Fail: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_2013384, v('(', ')', end_of_file), n)
   Fail: (253) [system] arg(_2014316, v('(', ')', end_of_file), n)
^  Fail: (252) [user] is_delimiter(n)
   Call: (252) [system] ')'==n
   Fail: (252) [system] ')'==n
   Call: (252) [system] get_char((0x560c892e10d0), n)
   Exit: (252) [system] get_char((0x560c892e10d0), n)
   Call: (252) [system] n=(\)
   Fail: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x560c892e10d0), _2021666)
   Call: (253) [system] peek_char((0x560c892e10d0), _2022600)
   Exit: (253) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _2021666=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (252) [system] _2007730=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (251) [system] _1993794=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (250) [system] _1979858=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (249) [system] _1965922=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (248) [system] _1951986=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (247) [system] _1938050=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (246) [system] _1924114=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (245) [system] _1910178=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _1896242=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1882306=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1868370=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1854434=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1840498=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1826562=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1812626=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1798690=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1784754=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1770818=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1756882=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1742946=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1729010=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1715074=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1679564)
^  Call: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2093352)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2094304, _2094306), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2093352), _2094286, fail)), '$restore_trace'(_2094304, _2094306))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2094304, _2094306))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6734), _6740, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_6734)
   Fail: (232) [system] atomic(_6734)
   Call: (232) [system] atom_chars(_6734, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (231) [system] integer('DisjunctionIntroduction')
   Fail: (231) [system] integer('DisjunctionIntroduction')
   Call: (231) [system] _6590='DisjunctionIntroduction'
   Exit: (231) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _18278)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _20136)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _29730)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _32434)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _49368)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
   Call: (229) [system] a=')'
   Fail: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _54938)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _56796)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _72806)
   Exit: (230) [system] get_char((0x560c892e10d0), a)
   Call: (230) [system] a='('
   Fail: (230) [system] a='('
   Call: (230) [system] a='['
   Fail: (230) [system] a='['
   Call: (230) [system] a='{'
   Fail: (230) [system] a='{'
   Call: (230) [system] a='"'
   Fail: (230) [system] a='"'
   Call: (230) [system] a=!
   Fail: (230) [system] a=!
   Call: (230) [system] a='\''
   Fail: (230) [system] a='\''
   Call: (230) [system] a='`'
   Fail: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), a, _54938)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _90448)
   Call: (232) [system] peek_char((0x560c892e10d0), _91382)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _90448=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq([a], _54938)
^  Call: (232) [user] classify_and_convert_charseq_([a], _100666)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_101618, _101620), once(user:catch(read_from_chars([a], _100666), _101600, fail)), '$restore_trace'(_101618, _101620))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_101618, _101620))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _101600, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq_([a], a)
   Call: (232) [system] integer(a)
   Fail: (232) [system] integer(a)
   Call: (232) [system] _54938=a
   Exit: (232) [system] a=a
^  Exit: (231) [user] classify_and_convert_charseq([a], a)
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _113746)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _115604)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _125198)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _127902)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _144836)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _150406)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _152264)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _168274)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), a, _150406)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _185916)
   Call: (233) [system] peek_char((0x560c892e10d0), _186850)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_191570, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _185916=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq([a], _150406)
^  Call: (233) [user] classify_and_convert_charseq_([a], _198006)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_198958, _198960), once(user:catch(read_from_chars([a], _198006), _198940, fail)), '$restore_trace'(_198958, _198960))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_198958, _198960))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _198940, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq_([a], a)
   Call: (233) [system] integer(a)
   Fail: (233) [system] integer(a)
   Call: (233) [system] _150406=a
   Exit: (233) [system] a=a
^  Exit: (232) [user] classify_and_convert_charseq([a], a)
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _211086)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _212944)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _228954)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x560c892e10d0), _232744)
   Exit: (231) [system] get_char((0x560c892e10d0), ')')
   Call: (231) [system] _211086=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [])
   Call: (230) [system] _113746=[a]
   Exit: (230) [system] [a]=[a]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (229) [system] _18278=[a, a]
   Exit: (229) [system] [a, a]=[a, a]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (228) [system] _6584=['DisjunctionIntroduction', a, a]
   Exit: (228) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _246626)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _248484)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _258078)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _260782)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _277716)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _283286)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _285144)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _301154)
   Exit: (228) [system] get_char((0x560c892e10d0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _283286)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _306724)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _322734)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _328304)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _330162)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _346172)
   Exit: (230) [system] get_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'O', _328304)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _363814)
   Call: (232) [system] peek_char((0x560c892e10d0), _364748)
   Exit: (232) [system] peek_char((0x560c892e10d0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_369468, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_370400, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x560c892e10d0), r)
   Exit: (232) [system] get_char((0x560c892e10d0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _377750)
   Call: (233) [system] peek_char((0x560c892e10d0), _378684)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_383404, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_384336, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x560c892e10d0), 'L')
   Exit: (233) [system] get_char((0x560c892e10d0), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _391686)
   Call: (234) [system] peek_char((0x560c892e10d0), _392620)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_397340, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_398272, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _405622)
   Call: (235) [system] peek_char((0x560c892e10d0), _406556)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_411276, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_412208, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _419558)
   Call: (236) [system] peek_char((0x560c892e10d0), _420492)
   Exit: (236) [system] peek_char((0x560c892e10d0), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_425212, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_426144, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x560c892e10d0), k)
   Exit: (236) [system] get_char((0x560c892e10d0), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _433494)
   Call: (237) [system] peek_char((0x560c892e10d0), _434428)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _433494=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _419558=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (235) [system] _405622=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (234) [system] _391686=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (233) [system] _377750=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (232) [system] _363814=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _328304)
^  Call: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _457682)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_458634, _458636), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _457682), _458616, fail)), '$restore_trace'(_458634, _458636))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_458634, _458636))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _457682), _458616, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_457682)
   Fail: (233) [system] atomic(_457682)
   Call: (233) [system] atom_chars(_457682, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (232) [system] integer('OrLink')
   Fail: (232) [system] integer('OrLink')
   Call: (232) [system] _328304='OrLink'
   Exit: (232) [system] 'OrLink'='OrLink'
^  Exit: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _472632)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _474490)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _484084)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _486788)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _503722)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=')'
   Fail: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _509292)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _511150)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _527160)
   Exit: (231) [system] get_char((0x560c892e10d0), 'B')
   Call: (231) [system] 'B'='('
   Fail: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Fail: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Fail: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Fail: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Fail: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Fail: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Fail: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'B', _509292)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _544802)
   Call: (233) [system] peek_char((0x560c892e10d0), _545736)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _544802=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq(['B'], _509292)
^  Call: (233) [user] classify_and_convert_charseq_(['B'], _555020)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_555972, _555974), once(user:catch(read_from_chars(['B'], _555020), _555954, fail)), '$restore_trace'(_555972, _555974))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_555972, _555974))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _555020), _555954, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_555020)
   Fail: (234) [system] atomic(_555020)
   Call: (234) [system] atom_chars(_555020, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (233) [system] integer('B')
   Fail: (233) [system] integer('B')
   Call: (233) [system] _509292='B'
   Exit: (233) [system] 'B'='B'
^  Exit: (232) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _569970)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _571828)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _581422)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _584126)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _601060)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _606630)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _608488)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _624498)
   Exit: (232) [system] get_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', _606630)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _642140)
   Call: (234) [system] peek_char((0x560c892e10d0), _643074)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_647794, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _642140=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq(['A'], _606630)
^  Call: (234) [user] classify_and_convert_charseq_(['A'], _654230)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_655182, _655184), once(user:catch(read_from_chars(['A'], _654230), _655164, fail)), '$restore_trace'(_655182, _655184))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_655182, _655184))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _654230), _655164, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_654230)
   Fail: (235) [system] atomic(_654230)
   Call: (235) [system] atom_chars(_654230, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (234) [system] integer('A')
   Fail: (234) [system] integer('A')
   Call: (234) [system] _606630='A'
   Exit: (234) [system] 'A'='A'
^  Exit: (233) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _669180)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _671038)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _687048)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x560c892e10d0), _690838)
   Exit: (232) [system] get_char((0x560c892e10d0), ')')
   Call: (232) [system] _669180=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), [])
   Call: (231) [system] _569970=['A']
   Exit: (231) [system] ['A']=['A']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (230) [system] _472632=['B', 'A']
   Exit: (230) [system] ['B', 'A']=['B', 'A']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['B', 'A'])
   Call: (229) [system] _283286=['OrLink', 'B', 'A']
   Exit: (229) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', 'A'])
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', 'A'])
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _704720)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _706578)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _722588)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _726378)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _704720=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _246626=[['OrLink', 'B', 'A']]
   Exit: (227) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', 'A']])
   Call: (226) [system] _6580=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (226) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (225) [system] _6572=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _740260)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _742118)
   Exit: (225) [system] peek_char((0x560c892e10d0), '\n')
   Call: (225) [system] '\n'=(;)
   Fail: (225) [system] '\n'=(;)
   Call: (225) [system] '\n'=(/)
   Fail: (225) [system] '\n'=(/)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Fail: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x560c892e10d0), _753568)
   Exit: (225) [system] get_char((0x560c892e10d0), '\n')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _756272)
   Exit: (226) [system] peek_char((0x560c892e10d0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x560c892e10d0), _765866)
   Exit: (226) [system] get_char((0x560c892e10d0), '\t')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _768570)
   Exit: (227) [system] peek_char((0x560c892e10d0), '\t')
   Call: (227) [system] '\t'=(;)
   Fail: (227) [system] '\t'=(;)
   Call: (227) [system] '\t'=(/)
   Fail: (227) [system] '\t'=(/)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x560c892e10d0), _778164)
   Exit: (227) [system] get_char((0x560c892e10d0), '\t')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _780868)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _790462)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _793166)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _812872)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _818442)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _820300)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _836310)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _818442)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _841880)
   Exit: (227) [system] peek_char((0x560c892e10d0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _857890)
   Exit: (226) [system] peek_char((0x560c892e10d0), :)
   Call: (226) [system] (:)=')'
   Fail: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _863460)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _865318)
   Exit: (228) [system] peek_char((0x560c892e10d0), :)
   Call: (228) [system] (:)=(;)
   Fail: (228) [system] (:)=(;)
   Call: (228) [system] (:)=(/)
   Fail: (228) [system] (:)=(/)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Fail: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Fail: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
   Fail: (229) [system] char_type(:, cntrl)
^  Fail: (228) [user] is_like_space(:)
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _881328)
   Exit: (227) [system] get_char((0x560c892e10d0), :)
   Call: (227) [system] (:)='('
   Fail: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Fail: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Fail: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Fail: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Fail: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Fail: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Fail: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), :, _863460)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _898970)
   Call: (229) [system] peek_char((0x560c892e10d0), _899904)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _898970=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq([:], _863460)
^  Call: (229) [user] classify_and_convert_charseq_([:], _909188)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_910140, _910142), once(user:catch(read_from_chars([:], _909188), _910122, fail)), '$restore_trace'(_910140, _910142))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_910140, _910142))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _910122, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(:)
   Exit: (230) [system] atomic(:)
^  Exit: (229) [user] classify_and_convert_charseq_([:], :)
   Call: (229) [system] integer(:)
   Fail: (229) [system] integer(:)
   Call: (229) [system] _863460=(:)
   Exit: (229) [system] (:)=(:)
^  Exit: (228) [user] classify_and_convert_charseq([:], :)
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _922268)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _924126)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _933720)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _936424)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _953358)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _958928)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _960786)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _976796)
   Exit: (228) [system] get_char((0x560c892e10d0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _958928)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _982366)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _998376)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1003946)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1005804)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1021814)
   Exit: (230) [system] get_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1003946)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1039456)
   Call: (232) [system] peek_char((0x560c892e10d0), _1040390)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1045110, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1046042, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1053392)
   Call: (233) [system] peek_char((0x560c892e10d0), _1054326)
   Exit: (233) [system] peek_char((0x560c892e10d0), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Fail: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1059046, v('(', ')', end_of_file), s)
   Fail: (234) [system] arg(_1059978, v('(', ')', end_of_file), s)
^  Fail: (233) [user] is_delimiter(s)
   Call: (233) [system] ')'==s
   Fail: (233) [system] ')'==s
   Call: (233) [system] get_char((0x560c892e10d0), s)
   Exit: (233) [system] get_char((0x560c892e10d0), s)
   Call: (233) [system] s=(\)
   Fail: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1067328)
   Call: (234) [system] peek_char((0x560c892e10d0), _1068262)
   Exit: (234) [system] peek_char((0x560c892e10d0), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Fail: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1072982, v('(', ')', end_of_file), j)
   Fail: (235) [system] arg(_1073914, v('(', ')', end_of_file), j)
^  Fail: (234) [user] is_delimiter(j)
   Call: (234) [system] ')'==j
   Fail: (234) [system] ')'==j
   Call: (234) [system] get_char((0x560c892e10d0), j)
   Exit: (234) [system] get_char((0x560c892e10d0), j)
   Call: (234) [system] j=(\)
   Fail: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1081264)
   Call: (235) [system] peek_char((0x560c892e10d0), _1082198)
   Exit: (235) [system] peek_char((0x560c892e10d0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1086918, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1087850, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x560c892e10d0), u)
   Exit: (235) [system] get_char((0x560c892e10d0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1095200)
   Call: (236) [system] peek_char((0x560c892e10d0), _1096134)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1100854, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1101786, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1109136)
   Call: (237) [system] peek_char((0x560c892e10d0), _1110070)
   Exit: (237) [system] peek_char((0x560c892e10d0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1114790, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1115722, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x560c892e10d0), c)
   Exit: (237) [system] get_char((0x560c892e10d0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1123072)
   Call: (238) [system] peek_char((0x560c892e10d0), _1124006)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1128726, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1129658, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1137008)
   Call: (239) [system] peek_char((0x560c892e10d0), _1137942)
   Exit: (239) [system] peek_char((0x560c892e10d0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1142662, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1143594, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x560c892e10d0), i)
   Exit: (239) [system] get_char((0x560c892e10d0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1150944)
   Call: (240) [system] peek_char((0x560c892e10d0), _1151878)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1156598, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1157530, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1164880)
   Call: (241) [system] peek_char((0x560c892e10d0), _1165814)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1170534, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1171466, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1178816)
   Call: (242) [system] peek_char((0x560c892e10d0), _1179750)
   Exit: (242) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Fail: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1184470, v('(', ')', end_of_file), 'I')
   Fail: (243) [system] arg(_1185402, v('(', ')', end_of_file), 'I')
^  Fail: (242) [user] is_delimiter('I')
   Call: (242) [system] ')'=='I'
   Fail: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x560c892e10d0), 'I')
   Exit: (242) [system] get_char((0x560c892e10d0), 'I')
   Call: (242) [system] 'I'=(\)
   Fail: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1192752)
   Call: (243) [system] peek_char((0x560c892e10d0), _1193686)
   Exit: (243) [system] peek_char((0x560c892e10d0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1198406, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1199338, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x560c892e10d0), n)
   Exit: (243) [system] get_char((0x560c892e10d0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1206688)
   Call: (244) [system] peek_char((0x560c892e10d0), _1207622)
   Exit: (244) [system] peek_char((0x560c892e10d0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1212342, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1213274, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x560c892e10d0), t)
   Exit: (244) [system] get_char((0x560c892e10d0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _1220624)
   Call: (245) [system] peek_char((0x560c892e10d0), _1221558)
   Exit: (245) [system] peek_char((0x560c892e10d0), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Fail: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1226278, v('(', ')', end_of_file), r)
   Fail: (246) [system] arg(_1227210, v('(', ')', end_of_file), r)
^  Fail: (245) [user] is_delimiter(r)
   Call: (245) [system] ')'==r
   Fail: (245) [system] ')'==r
   Call: (245) [system] get_char((0x560c892e10d0), r)
   Exit: (245) [system] get_char((0x560c892e10d0), r)
   Call: (245) [system] r=(\)
   Fail: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _1234560)
   Call: (246) [system] peek_char((0x560c892e10d0), _1235494)
   Exit: (246) [system] peek_char((0x560c892e10d0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1240214, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1241146, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x560c892e10d0), o)
   Exit: (246) [system] get_char((0x560c892e10d0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _1248496)
   Call: (247) [system] peek_char((0x560c892e10d0), _1249430)
   Exit: (247) [system] peek_char((0x560c892e10d0), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Fail: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1254150, v('(', ')', end_of_file), d)
   Fail: (248) [system] arg(_1255082, v('(', ')', end_of_file), d)
^  Fail: (247) [user] is_delimiter(d)
   Call: (247) [system] ')'==d
   Fail: (247) [system] ')'==d
   Call: (247) [system] get_char((0x560c892e10d0), d)
   Exit: (247) [system] get_char((0x560c892e10d0), d)
   Call: (247) [system] d=(\)
   Fail: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _1262432)
   Call: (248) [system] peek_char((0x560c892e10d0), _1263366)
   Exit: (248) [system] peek_char((0x560c892e10d0), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Fail: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1268086, v('(', ')', end_of_file), u)
   Fail: (249) [system] arg(_1269018, v('(', ')', end_of_file), u)
^  Fail: (248) [user] is_delimiter(u)
   Call: (248) [system] ')'==u
   Fail: (248) [system] ')'==u
   Call: (248) [system] get_char((0x560c892e10d0), u)
   Exit: (248) [system] get_char((0x560c892e10d0), u)
   Call: (248) [system] u=(\)
   Fail: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), _1276368)
   Call: (249) [system] peek_char((0x560c892e10d0), _1277302)
   Exit: (249) [system] peek_char((0x560c892e10d0), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Fail: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1282022, v('(', ')', end_of_file), c)
   Fail: (250) [system] arg(_1282954, v('(', ')', end_of_file), c)
^  Fail: (249) [user] is_delimiter(c)
   Call: (249) [system] ')'==c
   Fail: (249) [system] ')'==c
   Call: (249) [system] get_char((0x560c892e10d0), c)
   Exit: (249) [system] get_char((0x560c892e10d0), c)
   Call: (249) [system] c=(\)
   Fail: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), _1290304)
   Call: (250) [system] peek_char((0x560c892e10d0), _1291238)
   Exit: (250) [system] peek_char((0x560c892e10d0), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Fail: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1295958, v('(', ')', end_of_file), t)
   Fail: (251) [system] arg(_1296890, v('(', ')', end_of_file), t)
^  Fail: (250) [user] is_delimiter(t)
   Call: (250) [system] ')'==t
   Fail: (250) [system] ')'==t
   Call: (250) [system] get_char((0x560c892e10d0), t)
   Exit: (250) [system] get_char((0x560c892e10d0), t)
   Call: (250) [system] t=(\)
   Fail: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), _1304240)
   Call: (251) [system] peek_char((0x560c892e10d0), _1305174)
   Exit: (251) [system] peek_char((0x560c892e10d0), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Fail: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1309894, v('(', ')', end_of_file), i)
   Fail: (252) [system] arg(_1310826, v('(', ')', end_of_file), i)
^  Fail: (251) [user] is_delimiter(i)
   Call: (251) [system] ')'==i
   Fail: (251) [system] ')'==i
   Call: (251) [system] get_char((0x560c892e10d0), i)
   Exit: (251) [system] get_char((0x560c892e10d0), i)
   Call: (251) [system] i=(\)
   Fail: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), _1318176)
   Call: (252) [system] peek_char((0x560c892e10d0), _1319110)
   Exit: (252) [system] peek_char((0x560c892e10d0), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Fail: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1323830, v('(', ')', end_of_file), o)
   Fail: (253) [system] arg(_1324762, v('(', ')', end_of_file), o)
^  Fail: (252) [user] is_delimiter(o)
   Call: (252) [system] ')'==o
   Fail: (252) [system] ')'==o
   Call: (252) [system] get_char((0x560c892e10d0), o)
   Exit: (252) [system] get_char((0x560c892e10d0), o)
   Call: (252) [system] o=(\)
   Fail: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x560c892e10d0), _1332112)
   Call: (253) [system] peek_char((0x560c892e10d0), _1333046)
   Exit: (253) [system] peek_char((0x560c892e10d0), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Fail: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1337766, v('(', ')', end_of_file), n)
   Fail: (254) [system] arg(_1338698, v('(', ')', end_of_file), n)
^  Fail: (253) [user] is_delimiter(n)
   Call: (253) [system] ')'==n
   Fail: (253) [system] ')'==n
   Call: (253) [system] get_char((0x560c892e10d0), n)
   Exit: (253) [system] get_char((0x560c892e10d0), n)
   Call: (253) [system] n=(\)
   Fail: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x560c892e10d0), _1346048)
   Call: (254) [system] peek_char((0x560c892e10d0), _1346982)
   Exit: (254) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1346048=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (253) [system] _1332112=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (252) [system] _1318176=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (251) [system] _1304240=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (250) [system] _1290304=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (249) [system] _1276368=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (248) [system] _1262432=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (247) [system] _1248496=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (246) [system] _1234560=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1220624=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1206688=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1192752=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1178816=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1164880=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1150944=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1137008=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1123072=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1109136=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1095200=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1081264=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1067328=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1053392=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1039456=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1003946)
^  Call: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1418686, _1418688), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734), _1418668, fail)), '$restore_trace'(_1418686, _1418688))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1418686, _1418688))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734), _1418668, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1417734)
   Fail: (233) [system] atomic(_1417734)
   Call: (233) [system] atom_chars(_1417734, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (233) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (232) [system] integer('DisjunctionIntroduction')
   Fail: (232) [system] integer('DisjunctionIntroduction')
   Call: (232) [system] _1003946='DisjunctionIntroduction'
   Exit: (232) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1432684)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1434542)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _1444136)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1446840)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1463774)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _1469344)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1471202)
   Exit: (232) [system] peek_char((0x560c892e10d0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _1487212)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), a, _1469344)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1504854)
   Call: (233) [system] peek_char((0x560c892e10d0), _1505788)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1504854=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq([a], _1469344)
^  Call: (233) [user] classify_and_convert_charseq_([a], _1515072)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1516024, _1516026), once(user:catch(read_from_chars([a], _1515072), _1516006, fail)), '$restore_trace'(_1516024, _1516026))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1516024, _1516026))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1516006, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq_([a], a)
   Call: (233) [system] integer(a)
   Fail: (233) [system] integer(a)
   Call: (233) [system] _1469344=a
   Exit: (233) [system] a=a
^  Exit: (232) [user] classify_and_convert_charseq([a], a)
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1528152)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1530010)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _1539604)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1542308)
   Exit: (233) [system] peek_char((0x560c892e10d0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1559242)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
   Call: (231) [system] a=')'
   Fail: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _1564812)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1566670)
   Exit: (233) [system] peek_char((0x560c892e10d0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _1582680)
   Exit: (232) [system] get_char((0x560c892e10d0), a)
   Call: (232) [system] a='('
   Fail: (232) [system] a='('
   Call: (232) [system] a='['
   Fail: (232) [system] a='['
   Call: (232) [system] a='{'
   Fail: (232) [system] a='{'
   Call: (232) [system] a='"'
   Fail: (232) [system] a='"'
   Call: (232) [system] a=!
   Fail: (232) [system] a=!
   Call: (232) [system] a='\''
   Fail: (232) [system] a='\''
   Call: (232) [system] a='`'
   Fail: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), a, _1564812)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1600322)
   Call: (234) [system] peek_char((0x560c892e10d0), _1601256)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1605976, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1600322=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq([a], _1564812)
^  Call: (234) [user] classify_and_convert_charseq_([a], _1612412)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1613364, _1613366), once(user:catch(read_from_chars([a], _1612412), _1613346, fail)), '$restore_trace'(_1613364, _1613366))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1613364, _1613366))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1613346, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(a)
   Exit: (235) [system] atomic(a)
^  Exit: (234) [user] classify_and_convert_charseq_([a], a)
   Call: (234) [system] integer(a)
   Fail: (234) [system] integer(a)
   Call: (234) [system] _1564812=a
   Exit: (234) [system] a=a
^  Exit: (233) [user] classify_and_convert_charseq([a], a)
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _1625492)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1627350)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1643360)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x560c892e10d0), _1647150)
   Exit: (232) [system] get_char((0x560c892e10d0), ')')
   Call: (232) [system] _1625492=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), [])
   Call: (231) [system] _1528152=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (230) [system] _1432684=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (229) [system] _958928=['DisjunctionIntroduction', a, a]
   Exit: (229) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1661032)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1662890)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1672484)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1675188)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1692122)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1697692)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1699550)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1715560)
   Exit: (229) [system] get_char((0x560c892e10d0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1697692)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1721130)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1737140)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _1742710)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1744568)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _1760578)
   Exit: (231) [system] get_char((0x560c892e10d0), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1742710)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778220)
   Call: (233) [system] peek_char((0x560c892e10d0), _1779154)
   Exit: (233) [system] peek_char((0x560c892e10d0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1783874, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1784806, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x560c892e10d0), r)
   Exit: (233) [system] get_char((0x560c892e10d0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792156)
   Call: (234) [system] peek_char((0x560c892e10d0), _1793090)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1797810, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_1798742, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x560c892e10d0), 'L')
   Exit: (234) [system] get_char((0x560c892e10d0), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1806092)
   Call: (235) [system] peek_char((0x560c892e10d0), _1807026)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1811746, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1812678, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1820028)
   Call: (236) [system] peek_char((0x560c892e10d0), _1820962)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1825682, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1826614, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1833964)
   Call: (237) [system] peek_char((0x560c892e10d0), _1834898)
   Exit: (237) [system] peek_char((0x560c892e10d0), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1839618, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_1840550, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x560c892e10d0), k)
   Exit: (237) [system] get_char((0x560c892e10d0), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1847900)
   Call: (238) [system] peek_char((0x560c892e10d0), _1848834)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1847900=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _1833964=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (236) [system] _1820028=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (235) [system] _1806092=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (234) [system] _1792156=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (233) [system] _1778220=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1742710)
^  Call: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1872088)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1873040, _1873042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1872088), _1873022, fail)), '$restore_trace'(_1873040, _1873042))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1873040, _1873042))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1872088), _1873022, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1872088)
   Fail: (234) [system] atomic(_1872088)
   Call: (234) [system] atom_chars(_1872088, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (233) [system] integer('OrLink')
   Fail: (233) [system] integer('OrLink')
   Call: (233) [system] _1742710='OrLink'
   Exit: (233) [system] 'OrLink'='OrLink'
^  Exit: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1887038)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1888896)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _1898490)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1901194)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1918128)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'B')
   Call: (231) [system] 'B'=')'
   Fail: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _1923698)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1925556)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _1941566)
   Exit: (232) [system] get_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'='('
   Fail: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Fail: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Fail: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Fail: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Fail: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Fail: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Fail: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1923698)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1959208)
   Call: (234) [system] peek_char((0x560c892e10d0), _1960142)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1959208=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq(['B'], _1923698)
^  Call: (234) [user] classify_and_convert_charseq_(['B'], _1969426)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1970378, _1970380), once(user:catch(read_from_chars(['B'], _1969426), _1970360, fail)), '$restore_trace'(_1970378, _1970380))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1970378, _1970380))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1969426), _1970360, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1969426)
   Fail: (235) [system] atomic(_1969426)
   Call: (235) [system] atom_chars(_1969426, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (234) [system] integer('B')
   Fail: (234) [system] integer('B')
   Call: (234) [system] _1923698='B'
   Exit: (234) [system] 'B'='B'
^  Exit: (233) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _1984376)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1986234)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x560c892e10d0), _1995828)
   Exit: (233) [system] get_char((0x560c892e10d0), ' ')
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _1998532)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _2015466)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _2021036)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2022894)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _2038904)
   Exit: (233) [system] get_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', _2021036)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _2056546)
   Call: (235) [system] peek_char((0x560c892e10d0), _2057480)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_2062200, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _2056546=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _2021036)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _2068636)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2069588, _2069590), once(user:catch(read_from_chars(['B'], _2068636), _2069570, fail)), '$restore_trace'(_2069588, _2069590))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2069588, _2069590))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2068636), _2069570, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2068636)
   Fail: (236) [system] atomic(_2068636)
   Call: (236) [system] atom_chars(_2068636, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _2021036='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _2083586)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _2085444)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _11266)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x560c892e10d0), _15056)
   Exit: (233) [system] get_char((0x560c892e10d0), ')')
   Call: (233) [system] _6688=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), [])
   Call: (232) [system] _6682=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (231) [system] _6676=['B', 'B']
   Exit: (231) [system] ['B', 'B']=['B', 'B']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['B', 'B'])
   Call: (230) [system] _6668=['OrLink', 'B', 'B']
   Exit: (230) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', 'B'])
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _28938)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _30796)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _46806)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _50596)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _28938=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _6664=[['OrLink', 'B', 'B']]
   Exit: (228) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', 'B']])
   Call: (227) [system] _6640=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (227) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (226) [system] _6632=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _64478)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _66336)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _82346)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _86136)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _64478=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _6628=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (224) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (223) [system] _6568=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (223) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (222) [system] _6472=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (222) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (221) [system] _6376=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (221) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (220) [system] _6316=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (220) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (219) [system] _6256=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (219) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (218) [system] _6160=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (218) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (217) [system] _6064=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (217) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (216) [system] _5968=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (216) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (215) [system] _5872=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (215) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (214) [system] _5740=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (214) [system] [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (213) [system] _5608=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (213) [system] [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (212) [system] _5512=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5416=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5284=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (209) [system] _5152=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (209) [system] [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (208) [system] _5092=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (208) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (207) [system] _5032=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (207) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (206) [system] _4936=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _4840=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _4780=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (203) [system] _4720=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (203) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (202) [system] _4624=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (202) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (201) [system] _4528=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (201) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (200) [system] _4432=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (200) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (199) [system] _4336=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (199) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (198) [system] _4204=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (198) [system] [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (197) [system] _4072=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (197) [system] [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (196) [system] _3976=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (196) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (195) [system] _3880=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (195) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (194) [system] _3748=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (194) [system] [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (193) [system] _3616=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (193) [system] [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (192) [system] _3592=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (192) [system] [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (191) [system] _3568=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (191) [system] [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (190) [system] _3508=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (190) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (189) [system] _3446=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _192220)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _194078)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _210088)
   Exit: (188) [system] peek_char((0x560c892e10d0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x560c892e10d0), _213878)
   Exit: (188) [system] get_char((0x560c892e10d0), ')')
   Call: (188) [system] _192220=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [])
   Call: (187) [system] _3442=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (182) [user] read_sexpr((0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Exit: (180) [user] read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Call: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (178) [system] once(user:(read_position((0x560c892e10d0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833)), read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])), assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_236116, _236118, _236120, _236122, _236124))
^  Exit: (178) [user] retract(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Call: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (180) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496))
^  Call: (183) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496))
^  Call: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496)
^  Call: (185) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296))
^  Call: (186) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
^  Call: (187) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
   Call: (188) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==true
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==false
   Call: (188) [system] (=)=='['
   Call: (188) [system] (=)=='{'
   Call: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _255518)
   Call: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _255518)
   Call: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _255518)
   Exit: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (188) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=='}'
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==[_262034, _262040]
   Call: (188) [system] fail
   Call: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
   Call: (189) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(=, _267614)
   Call: (191) [system] var(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Call: (191) [user] symbol_concat($, _271322, =)
   Call: (192) [system] atom_concat($, _271322, =)
   Fail: (192) [system] atom_concat($, _271322, =)
^  Fail: (191) [user] symbol_concat($, _271322, =)
   Call: (191) [system] (=)==true
   Call: (191) [system] (=)==false
   Call: (191) [system] (=)==[_276910, _276916]
   Call: (191) [system] is_list(=)
   Call: (191) [system] string(=)
   Call: (191) [system] compound(=)
^  Call: (191) [user] symbol(=)
   Call: (192) [system] atom(=)
   Exit: (192) [system] atom(=)
^  Exit: (191) [user] symbol(=)
^  Exit: (190) [user] mfix_vars1(=, =)
   Call: (190) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _267616, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _286178)
   Call: (192) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (192) [system] synthesize=='['
   Call: (192) [system] synthesize=='{'
   Call: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _294522)
   Call: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _294522)
   Call: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, _294522)
   Call: (195) [lists] lists:last_([['S', _k]], _rb, _294522)
   Call: (196) [lists] lists:last_([], ['S', _k], _294522)
   Exit: (196) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (195) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (192) [system] ['S', _k]=='}'
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_304766, _304772]
   Call: (192) [system] fail
   Call: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (192) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _286178)
   Call: (193) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _286178, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(synthesize, _310346)
   Call: (195) [system] var(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Call: (195) [user] symbol_concat($, _314054, synthesize)
   Call: (196) [system] atom_concat($, _314054, synthesize)
   Fail: (196) [system] atom_concat($, _314054, synthesize)
^  Fail: (195) [user] symbol_concat($, _314054, synthesize)
   Call: (195) [system] synthesize==true
   Call: (195) [system] synthesize==false
   Call: (195) [system] synthesize==[_319642, _319648]
   Call: (195) [system] is_list(synthesize)
   Call: (195) [system] string(synthesize)
   Call: (195) [system] compound(synthesize)
^  Call: (195) [user] symbol(synthesize)
   Call: (196) [system] atom(synthesize)
   Exit: (196) [system] atom(synthesize)
^  Exit: (195) [user] symbol(synthesize)
^  Exit: (194) [user] mfix_vars1(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _310348, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(_query, _328910)
   Call: (196) [system] var(_query)
   Call: (196) [system] atom(_query)
   Call: (196) [system] _query==true
   Call: (196) [system] _query==false
   Call: (196) [system] _query==[_333552, _333558]
   Call: (196) [system] is_list(_query)
   Call: (196) [system] string(_query)
   Call: (196) [system] compound(_query)
   Exit: (196) [system] compound(_query)
   Call: (196) [system] compound_name_arguments(_query, _338186, _338188)
   Exit: (196) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (196) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780))
^  Call: (183) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780))
^  Call: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780)
^  Call: (185) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580))
^  Call: (186) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580)
^  Call: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (183) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (185) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538))
^  Call: (186) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538)
^  Call: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (179) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 116)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639329.685125), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639329.685125), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639339.6246467)
   Call: (173) [system] arg(1, t(1729639329.685125), _3148)
   Exit: (173) [system] arg(1, t(1729639329.685125), 1729639329.685125)
   Call: (173) [system] _3158 is 1729639339.6246467-1729639329.685125
   Exit: (173) [system] 9.939521551132202 is 1729639339.6246467-1729639329.685125
   Call: (173) [system] 9.939521551132202>4
   Exit: (173) [system] 9.939521551132202>4
   Call: (173) [system] nb_setarg(1, t(1729639329.685125), 1729639339.6246467)
   Exit: (173) [system] nb_setarg(1, t(1729639339.6246467), 1729639339.6246467)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
; 
^  Call: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (177) [system] setup_call_cleanup('$notrace'(_407470, _407472), once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), '$restore_trace'(_407470, _407472))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_407470, _407472))
(= (synthesize $query $kb $rb (S $k)) (let* (((: $ructor (-> $premise1 $premise2 $premise3 $premise4 $conclusion)) ($rb)) ((: ($ructor $proof1 $proof2 $proof3 $proof4) $conclusion) $query) ((: $proof1 $premise1) (synthesize (: $proof1 $premise1) $kb $rb $k)) ((: $proof2 $premise2) (synthesize (: $proof2 $premise2) $kb $rb $k)) ((: $proof3 $premise3) (synthesize (: $proof3 $premise3) $kb $rb $k)) ((: $proof4 $premise4) (synthesize (: $proof4 $premise4) $kb $rb $k))) $query))
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
 ; line: 116 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1729639339.6246467), arg(1, t(1729639339.6246467), 1729639329.685125), 9.939521551132202 is 1729639339.6246467-1729639329.685125, 9.939521551132202>4), (nb_setarg(1, t(1729639339.6246467), 1729639339.6246467), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 25)
   Call: (175) [system] atom(25+1)
   Call: (175) [system] set_flag(translated_forms, 26)
   Exit: (175) [system] set_flag(translated_forms, 26)
   Exit: (174) [$syspreds] update_flag(translated_forms, 25, 25+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 25, 25+1))
   Exit: (171) [$syspreds] flag(translated_forms, 25, 25+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 116)
^  Call: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, _431714, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _431716)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _431716)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _436366)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_436366
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _436368)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _443784)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _451196)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _451196, user:s2t)
^  Call: (178) [user] s2t(synthesize, _453076)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_453076
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _453078, user:s2t)
^  Call: (179) [user] s2t(_query, _458650)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _458650)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _458652, user:s2t)
^  Call: (180) [user] s2t(_kb, _467920)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _467920)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _467922, user:s2t)
^  Call: (181) [user] s2t(_rb, _477190)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _477190)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _477192, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _486460)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _493872)
   Call: (184) [apply] apply:maplist_(['S', _k], _493872, user:s2t)
^  Call: (185) [user] s2t('S', _495752)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_495752
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _495754, user:s2t)
^  Call: (186) [user] s2t(_k, _501326)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _501326)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _501328, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_486460, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _486462, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_443784, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _443786)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _530170)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _537582)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _537582, user:s2t)
^  Call: (179) [user] s2t('let*', _539462)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_539462
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _539464, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _545036)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _552448)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _552448, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _554328)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _561740)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _561740, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _563620)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _571032)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _571032, user:s2t)
^  Call: (189) [user] s2t(:, _572912)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_572912
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _572914, user:s2t)
^  Call: (190) [user] s2t(_ructor, _578486)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _578486)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _578488, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], _587756)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], _592392)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (193) [user] s2t(_premise1, _595172)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _595172)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], _595174)
   Call: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
^  Call: (194) [user] s2t(_premise2, _606286)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _606286)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _premise4, _conclusion], _606288)
   Call: (195) [system] compound([_premise3, _premise4, _conclusion])
   Exit: (195) [system] compound([_premise3, _premise4, _conclusion])
^  Call: (195) [user] s2t(_premise3, _617400)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _617400)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_premise4, _conclusion], _617402)
   Call: (196) [system] compound([_premise4, _conclusion])
   Exit: (196) [system] compound([_premise4, _conclusion])
^  Call: (196) [user] s2t(_premise4, _628514)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _628514)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
^  Call: (196) [user] s2tl([_conclusion], _628516)
   Call: (197) [system] compound([_conclusion])
   Exit: (197) [system] compound([_conclusion])
^  Call: (197) [user] s2t(_conclusion, _639628)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
   Call: (198) [system] is_list(_conclusion)
^  Call: (198) [user] s2tl(_conclusion, _639628)
   Call: (199) [system] compound(_conclusion)
   Exit: (199) [system] compound(_conclusion)
^  Exit: (198) [user] s2tl(_conclusion, _conclusion)
^  Exit: (197) [user] s2t(_conclusion, _conclusion)
^  Call: (197) [user] s2tl([], _639630)
   Call: (198) [system] compound([])
   Call: (198) [system] []=_639630
   Exit: (198) [system] []=[]
^  Exit: (197) [user] s2tl([], [])
^  Exit: (196) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (195) [user] s2tl([_premise4, _conclusion], [_premise4, _conclusion])
^  Exit: (194) [user] s2tl([_premise3, _premise4, _conclusion], [_premise3, _premise4, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], [_premise2, _premise3, _premise4, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] _587756=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _premise4, _conclusion])=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], ->([_premise1, _premise2, _premise3, _premise4, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _587758, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Call: (187) [system] compound_name_arguments(_563620, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _563622, user:s2t)
^  Call: (187) [user] s2t([_rb], _669372)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _676784)
   Call: (189) [apply] apply:maplist_([_rb], _676784, user:s2t)
^  Call: (190) [user] s2t(_rb, _678664)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _678664)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _678666, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_669372, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _669374, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_554328, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _554330, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _701928)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _709340)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _709340, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _711220)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _718632)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _718632, user:s2t)
^  Call: (190) [user] s2t(:, _720512)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_720512
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _720514, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], _726086)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], _733498)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], _733498, user:s2t)
^  Call: (194) [user] s2t(_ructor, _735378)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _735378)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], _735380, user:s2t)
^  Call: (195) [user] s2t(_proof1, _744648)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _744648)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], _744650, user:s2t)
^  Call: (196) [user] s2t(_proof2, _753918)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _753918)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3, _proof4], _753920, user:s2t)
^  Call: (197) [user] s2t(_proof3, _763188)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _763188)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([_proof4], _763190, user:s2t)
^  Call: (198) [user] s2t(_proof4, _772458)
   Call: (199) [system] compound(_proof4)
   Exit: (199) [system] compound(_proof4)
   Call: (199) [system] is_list(_proof4)
^  Call: (199) [user] s2tl(_proof4, _772458)
   Call: (200) [system] compound(_proof4)
   Exit: (200) [system] compound(_proof4)
^  Exit: (199) [user] s2tl(_proof4, _proof4)
^  Exit: (198) [user] s2t(_proof4, _proof4)
   Call: (198) [apply] apply:maplist_([], _772460, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof4], [_proof4], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3, _proof4], [_proof3, _proof4], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], [_proof2, _proof3, _proof4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], [_proof1, _proof2, _proof3, _proof4], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] compound_name_arguments(_726086, t, [_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3, _proof4), t, [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], t(_ructor, _proof1, _proof2, _proof3, _proof4))
   Call: (191) [apply] apply:maplist_([_conclusion], _726088, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _791994)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _791994)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _791996, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Call: (188) [system] compound_name_arguments(_711220, t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _711222, user:s2t)
^  Call: (188) [user] s2t(_query, _809662)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _809662)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _809664, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_701928, t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _701930, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _826396)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _833808)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _833808, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _835688)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _843100)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _843100, user:s2t)
^  Call: (191) [user] s2t(:, _844980)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_844980
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _844982, user:s2t)
^  Call: (192) [user] s2t(_proof1, _850554)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _850554)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _850556, user:s2t)
^  Call: (193) [user] s2t(_premise1, _859824)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _859824)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _859826, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_835688, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _835690, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _877492)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _884904)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _884904, user:s2t)
^  Call: (192) [user] s2t(synthesize, _886784)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_886784
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _886786, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _892358)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _899770)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _899770, user:s2t)
^  Call: (196) [user] s2t(:, _901650)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_901650
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _901652, user:s2t)
^  Call: (197) [user] s2t(_proof1, _907224)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _907224)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _907226, user:s2t)
^  Call: (198) [user] s2t(_premise1, _916494)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _916494)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _916496, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_892358, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _892360, user:s2t)
^  Call: (194) [user] s2t(_kb, _934162)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _934162)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _934164, user:s2t)
^  Call: (195) [user] s2t(_rb, _943432)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _943432)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _943434, user:s2t)
^  Call: (196) [user] s2t(_k, _952702)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _952702)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _952704, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_877492, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _877494, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_826396, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _826398, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _979702)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _987114)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _987114, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _988994)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _996406)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _996406, user:s2t)
^  Call: (192) [user] s2t(:, _998286)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_998286
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _998288, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1003860)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1003860)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1003862, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1013130)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1013130)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1013132, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_988994, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _988996, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1030798)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1038210)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1038210, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1040090)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1040090
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1040092, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1045664)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1053076)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1053076, user:s2t)
^  Call: (197) [user] s2t(:, _1054956)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1054956
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1054958, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1060530)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1060530)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1060532, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1069800)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1069800)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1069802, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1045664, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1045666, user:s2t)
^  Call: (195) [user] s2t(_kb, _1087468)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1087468)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1087470, user:s2t)
^  Call: (196) [user] s2t(_rb, _1096738)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1096738)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1096740, user:s2t)
^  Call: (197) [user] s2t(_k, _1106008)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1106008)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1106010, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1030798, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1030800, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_979702, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _979704, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1133008)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1140420)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1140420, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1142300)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1149712)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1149712, user:s2t)
^  Call: (193) [user] s2t(:, _1151592)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1151592
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1151594, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1157166)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1157166)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1157168, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1166436)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1166436)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1166438, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1142300, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1142302, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1184104)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1191516)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1191516, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1193396)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1193396
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1193398, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1198970)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1206382)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1206382, user:s2t)
^  Call: (198) [user] s2t(:, _1208262)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1208262
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1208264, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1213836)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1213836)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1213838, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1223106)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1223106)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1223108, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1198970, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1198972, user:s2t)
^  Call: (196) [user] s2t(_kb, _1240774)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1240774)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1240776, user:s2t)
^  Call: (197) [user] s2t(_rb, _1250044)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1250044)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1250046, user:s2t)
^  Call: (198) [user] s2t(_k, _1259314)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1259314)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1259316, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1184104, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1184106, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1133008, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1133010, user:s2t)
^  Call: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1286314)
   Call: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (189) [system] [:, _proof4, _premise4]==(->)
   Call: (189) [system] [:, _proof4, _premise4]=='Cons'
   Call: (189) [system] [:, _proof4, _premise4]==(=)
   Call: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (189) [user] apply:maplist(s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1293726)
   Call: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1293726, user:s2t)
^  Call: (191) [user] s2t([:, _proof4, _premise4], _1295606)
   Call: (192) [system] compound([:, _proof4, _premise4])
   Exit: (192) [system] compound([:, _proof4, _premise4])
   Call: (192) [system] (:)==(->)
   Call: (192) [system] (:)=='Cons'
   Call: (192) [system] (:)==(=)
   Call: (192) [system] is_list([:, _proof4, _premise4])
   Exit: (192) [system] is_list([:, _proof4, _premise4])
^  Call: (192) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1303018)
   Call: (193) [apply] apply:maplist_([:, _proof4, _premise4], _1303018, user:s2t)
^  Call: (194) [user] s2t(:, _1304898)
   Call: (195) [system] compound(:)
   Call: (195) [system] (:)=_1304898
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] s2t(:, :)
   Call: (194) [apply] apply:maplist_([_proof4, _premise4], _1304900, user:s2t)
^  Call: (195) [user] s2t(_proof4, _1310472)
   Call: (196) [system] compound(_proof4)
   Exit: (196) [system] compound(_proof4)
   Call: (196) [system] is_list(_proof4)
^  Call: (196) [user] s2tl(_proof4, _1310472)
   Call: (197) [system] compound(_proof4)
   Exit: (197) [system] compound(_proof4)
^  Exit: (196) [user] s2tl(_proof4, _proof4)
^  Exit: (195) [user] s2t(_proof4, _proof4)
   Call: (195) [apply] apply:maplist_([_premise4], _1310474, user:s2t)
^  Call: (196) [user] s2t(_premise4, _1319742)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _1319742)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
   Call: (196) [apply] apply:maplist_([], _1319744, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (193) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (192) [system] compound_name_arguments(_1295606, t, [:, _proof4, _premise4])
   Exit: (192) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (191) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1295608, user:s2t)
^  Call: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1337410)
   Call: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Call: (193) [system] synthesize==(->)
   Call: (193) [system] synthesize=='Cons'
   Call: (193) [system] synthesize==(=)
   Call: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (193) [user] apply:maplist(s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1344822)
   Call: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1344822, user:s2t)
^  Call: (195) [user] s2t(synthesize, _1346702)
   Call: (196) [system] compound(synthesize)
   Call: (196) [system] synthesize=_1346702
   Exit: (196) [system] synthesize=synthesize
^  Exit: (195) [user] s2t(synthesize, synthesize)
   Call: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], _1346704, user:s2t)
^  Call: (196) [user] s2t([:, _proof4, _premise4], _1352276)
   Call: (197) [system] compound([:, _proof4, _premise4])
   Exit: (197) [system] compound([:, _proof4, _premise4])
   Call: (197) [system] (:)==(->)
   Call: (197) [system] (:)=='Cons'
   Call: (197) [system] (:)==(=)
   Call: (197) [system] is_list([:, _proof4, _premise4])
   Exit: (197) [system] is_list([:, _proof4, _premise4])
^  Call: (197) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1359688)
   Call: (198) [apply] apply:maplist_([:, _proof4, _premise4], _1359688, user:s2t)
^  Call: (199) [user] s2t(:, _1361568)
   Call: (200) [system] compound(:)
   Call: (200) [system] (:)=_1361568
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] s2t(:, :)
   Call: (199) [apply] apply:maplist_([_proof4, _premise4], _1361570, user:s2t)
^  Call: (200) [user] s2t(_proof4, _1367142)
   Call: (201) [system] compound(_proof4)
   Exit: (201) [system] compound(_proof4)
   Call: (201) [system] is_list(_proof4)
^  Call: (201) [user] s2tl(_proof4, _1367142)
   Call: (202) [system] compound(_proof4)
   Exit: (202) [system] compound(_proof4)
^  Exit: (201) [user] s2tl(_proof4, _proof4)
^  Exit: (200) [user] s2t(_proof4, _proof4)
   Call: (200) [apply] apply:maplist_([_premise4], _1367144, user:s2t)
^  Call: (201) [user] s2t(_premise4, _1376412)
   Call: (202) [system] compound(_premise4)
   Exit: (202) [system] compound(_premise4)
   Call: (202) [system] is_list(_premise4)
^  Call: (202) [user] s2tl(_premise4, _1376412)
   Call: (203) [system] compound(_premise4)
   Exit: (203) [system] compound(_premise4)
^  Exit: (202) [user] s2tl(_premise4, _premise4)
^  Exit: (201) [user] s2t(_premise4, _premise4)
   Call: (201) [apply] apply:maplist_([], _1376414, user:s2t)
   Exit: (201) [apply] apply:maplist_([], [], user:s2t)
   Exit: (200) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (199) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (198) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (197) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (197) [system] compound_name_arguments(_1352276, t, [:, _proof4, _premise4])
   Exit: (197) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (196) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (196) [apply] apply:maplist_([_kb, _rb, _k], _1352278, user:s2t)
^  Call: (197) [user] s2t(_kb, _1394080)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
   Call: (198) [system] is_list(_kb)
^  Call: (198) [user] s2tl(_kb, _1394080)
   Call: (199) [system] compound(_kb)
   Exit: (199) [system] compound(_kb)
^  Exit: (198) [user] s2tl(_kb, _kb)
^  Exit: (197) [user] s2t(_kb, _kb)
   Call: (197) [apply] apply:maplist_([_rb, _k], _1394082, user:s2t)
^  Call: (198) [user] s2t(_rb, _1403350)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
   Call: (199) [system] is_list(_rb)
^  Call: (199) [user] s2tl(_rb, _1403350)
   Call: (200) [system] compound(_rb)
   Exit: (200) [system] compound(_rb)
^  Exit: (199) [user] s2tl(_rb, _rb)
^  Exit: (198) [user] s2t(_rb, _rb)
   Call: (198) [apply] apply:maplist_([_k], _1403352, user:s2t)
^  Call: (199) [user] s2t(_k, _1412620)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
   Call: (200) [system] is_list(_k)
^  Call: (200) [user] s2tl(_k, _1412620)
   Call: (201) [system] compound(_k)
   Exit: (201) [system] compound(_k)
^  Exit: (200) [user] s2tl(_k, _k)
^  Exit: (199) [user] s2t(_k, _k)
   Call: (199) [apply] apply:maplist_([], _1412622, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (197) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], [t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
^  Exit: (193) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Call: (193) [system] compound_name_arguments(_1337410, t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Exit: (193) [system] compound_name_arguments(t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k), t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
^  Exit: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))
   Call: (192) [apply] apply:maplist_([], _1337412, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
   Exit: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Call: (189) [system] compound_name_arguments(_1286314, t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Exit: (189) [system] compound_name_arguments(t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)), t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
^  Exit: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)))
   Call: (188) [apply] apply:maplist_([], _1286316, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_545036, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _545038, user:s2t)
^  Call: (181) [user] s2t(_query, _1450820)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1450820)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1450822, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_530170, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _530172)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_530172
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1729639320_140374, ynthesize_long_1729639320_140374, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], _1475910)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1475910=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1481472=..[ynthesize_long_1729639320_140374, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1729639320_140374(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))=..[ynthesize_long_1729639320_140374, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x560c893a0f80), "~q.~n", [ynthesize_long_1729639320_140374(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 116)
^  Exit: (169) [system] once(user:(if_t((get_time(1729639339.6246467), arg(1, t(1729639339.6246467), 1729639329.685125), 9.939521551132202 is 1729639339.6246467-1729639329.685125, 9.939521551132202>4), (nb_setarg(1, t(1729639339.6246467), 1729639339.6246467), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 25, 25+1), write_metta_datalog_term((0x560c893a0f80), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1729639320_140374, 116)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 153)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 153))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 153))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _1506664)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _1514086)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _1521508)
   Exit: (176) [system] peek_char((0x560c892e10d0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _1529846)
   Exit: (178) [system] peek_char((0x560c892e10d0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1532632=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _1534500, _1534502, _1534504, _1534506), read_sexpr((0x560c892e10d0), _1534518), assertz(metta_file_comment(_1534500, _1534502, _1534504, _1534518, _1534506))))
^  Call: (180) [user] read_position((0x560c892e10d0), _1534500, _1534502, _1534504, _1534506)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_1534506))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_1534506))
   Exit: (182) [system] nonvar(position(_1534506))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(7568, 155, 0, 7568)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), _1534500)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1544758)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), _1534500)
   Exit: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), 155)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), 155)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), _1534502)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1552192)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), _1534502)
   Exit: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), _1534504)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1559626)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), _1534504)
   Exit: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), 7568)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), 7568)
^  Exit: (180) [user] read_position((0x560c892e10d0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _1534518)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _1534518)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _1569852)
   Exit: (183) [system] peek_char((0x560c892e10d0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _1585862)
   Exit: (182) [system] get_char((0x560c892e10d0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x560c892e10d0), _1597000)
   Call: (183) [system] string((0x560c892e10d0))
   Fail: (183) [system] string((0x560c892e10d0))
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _1597000)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1601634)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _1617644)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _1597000)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1623214)
   Exit: (186) [system] peek_char((0x560c892e10d0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _1639224)
   Exit: (185) [system] peek_char((0x560c892e10d0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _1644794)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1646652)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _1662662)
   Exit: (186) [system] get_char((0x560c892e10d0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), a, _1644794)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _1680304)
   Call: (188) [system] peek_char((0x560c892e10d0), _1681238)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1685958, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1686890, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x560c892e10d0), s)
   Exit: (188) [system] get_char((0x560c892e10d0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _1694240)
   Call: (189) [system] peek_char((0x560c892e10d0), _1695174)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1699894, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1700826, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x560c892e10d0), s)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _1708176)
   Call: (190) [system] peek_char((0x560c892e10d0), _1709110)
   Exit: (190) [system] peek_char((0x560c892e10d0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1713830, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1714762, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x560c892e10d0), e)
   Exit: (190) [system] get_char((0x560c892e10d0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1722112)
   Call: (191) [system] peek_char((0x560c892e10d0), _1723046)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1727766, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1728698, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1736048)
   Call: (192) [system] peek_char((0x560c892e10d0), _1736982)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1741702, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1742634, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1749984)
   Call: (193) [system] peek_char((0x560c892e10d0), _1750918)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1755638, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1756570, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x560c892e10d0), 'E')
   Exit: (193) [system] get_char((0x560c892e10d0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1763920)
   Call: (194) [system] peek_char((0x560c892e10d0), _1764854)
   Exit: (194) [system] peek_char((0x560c892e10d0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1769574, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1770506, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x560c892e10d0), q)
   Exit: (194) [system] get_char((0x560c892e10d0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1777856)
   Call: (195) [system] peek_char((0x560c892e10d0), _1778790)
   Exit: (195) [system] peek_char((0x560c892e10d0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1783510, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1784442, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x560c892e10d0), u)
   Exit: (195) [system] get_char((0x560c892e10d0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1791792)
   Call: (196) [system] peek_char((0x560c892e10d0), _1792726)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1797446, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1798378, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x560c892e10d0), a)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1805728)
   Call: (197) [system] peek_char((0x560c892e10d0), _1806662)
   Exit: (197) [system] peek_char((0x560c892e10d0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1811382, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1812314, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x560c892e10d0), l)
   Exit: (197) [system] get_char((0x560c892e10d0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1819664)
   Call: (198) [system] peek_char((0x560c892e10d0), _1820598)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1825318, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1826250, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x560c892e10d0), 'T')
   Exit: (198) [system] get_char((0x560c892e10d0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1833600)
   Call: (199) [system] peek_char((0x560c892e10d0), _1834534)
   Exit: (199) [system] peek_char((0x560c892e10d0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1839254, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1840186, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x560c892e10d0), o)
   Exit: (199) [system] get_char((0x560c892e10d0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1847536)
   Call: (200) [system] peek_char((0x560c892e10d0), _1848470)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1853190, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1854122, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x560c892e10d0), 'R')
   Exit: (200) [system] get_char((0x560c892e10d0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1861472)
   Call: (201) [system] peek_char((0x560c892e10d0), _1862406)
   Exit: (201) [system] peek_char((0x560c892e10d0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1867126, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1868058, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x560c892e10d0), e)
   Exit: (201) [system] get_char((0x560c892e10d0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1875408)
   Call: (202) [system] peek_char((0x560c892e10d0), _1876342)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1881062, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1881994, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x560c892e10d0), s)
   Exit: (202) [system] get_char((0x560c892e10d0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1889344)
   Call: (203) [system] peek_char((0x560c892e10d0), _1890278)
   Exit: (203) [system] peek_char((0x560c892e10d0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1894998, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1895930, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x560c892e10d0), u)
   Exit: (203) [system] get_char((0x560c892e10d0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903280)
   Call: (204) [system] peek_char((0x560c892e10d0), _1904214)
   Exit: (204) [system] peek_char((0x560c892e10d0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1908934, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1909866, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x560c892e10d0), l)
   Exit: (204) [system] get_char((0x560c892e10d0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917216)
   Call: (205) [system] peek_char((0x560c892e10d0), _1918150)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1922870, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1923802, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931152)
   Call: (206) [system] peek_char((0x560c892e10d0), _1932086)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1931152=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1917216=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (204) [system] _1903280=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, t])
   Call: (203) [system] _1889344=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, l, t])
   Call: (202) [system] _1875408=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, u, l, t])
   Call: (201) [system] _1861472=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, u, l, t])
   Call: (200) [system] _1847536=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['R', e, s, u, l, t])
   Call: (199) [system] _1833600=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1819664=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1805728=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1791792=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1777856=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1763920=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1749984=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1736048=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1722112=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1708176=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1694240=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1680304=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1644794)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1991662)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1992614, _1992616), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1991662), _1992596, fail)), '$restore_trace'(_1992614, _1992616))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1992614, _1992616))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1992596, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _1644794=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _2004742)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _2006600)
   Exit: (187) [system] peek_char((0x560c892e10d0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x560c892e10d0), _2016194)
   Exit: (187) [system] get_char((0x560c892e10d0), ' ')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2018898)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _2030348)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _2033052)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _2042646)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _2045350)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _2054944)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _2057648)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _2077354)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _2082924)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _2084782)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _7432)
   Exit: (187) [system] get_char((0x560c892e10d0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _3372)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _13002)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _29012)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _34582)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _36440)
   Exit: (190) [system] peek_char((0x560c892e10d0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _52450)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), s, _34582)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _70092)
   Call: (191) [system] peek_char((0x560c892e10d0), _71026)
   Exit: (191) [system] peek_char((0x560c892e10d0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_75746, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_76678, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x560c892e10d0), y)
   Exit: (191) [system] get_char((0x560c892e10d0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _84028)
   Call: (192) [system] peek_char((0x560c892e10d0), _84962)
   Exit: (192) [system] peek_char((0x560c892e10d0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_89682, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_90614, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x560c892e10d0), n)
   Exit: (192) [system] get_char((0x560c892e10d0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _97964)
   Call: (193) [system] peek_char((0x560c892e10d0), _98898)
   Exit: (193) [system] peek_char((0x560c892e10d0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_103618, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_104550, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x560c892e10d0), t)
   Exit: (193) [system] get_char((0x560c892e10d0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _111900)
   Call: (194) [system] peek_char((0x560c892e10d0), _112834)
   Exit: (194) [system] peek_char((0x560c892e10d0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_117554, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_118486, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x560c892e10d0), h)
   Exit: (194) [system] get_char((0x560c892e10d0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _125836)
   Call: (195) [system] peek_char((0x560c892e10d0), _126770)
   Exit: (195) [system] peek_char((0x560c892e10d0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_131490, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_132422, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x560c892e10d0), e)
   Exit: (195) [system] get_char((0x560c892e10d0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _139772)
   Call: (196) [system] peek_char((0x560c892e10d0), _140706)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_145426, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_146358, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x560c892e10d0), s)
   Exit: (196) [system] get_char((0x560c892e10d0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _153708)
   Call: (197) [system] peek_char((0x560c892e10d0), _154642)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_159362, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_160294, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _167644)
   Call: (198) [system] peek_char((0x560c892e10d0), _168578)
   Exit: (198) [system] peek_char((0x560c892e10d0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_173298, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_174230, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x560c892e10d0), z)
   Exit: (198) [system] get_char((0x560c892e10d0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _181580)
   Call: (199) [system] peek_char((0x560c892e10d0), _182514)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_187234, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_188166, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _195516)
   Call: (200) [system] peek_char((0x560c892e10d0), _196450)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _195516=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _181580=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _167644=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (197) [system] _153708=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (196) [system] _139772=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (195) [system] _125836=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (194) [system] _111900=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (193) [system] _97964=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (192) [system] _84028=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _70092=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _34582)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _230880)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_231832, _231834), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _230880), _231814, fail)), '$restore_trace'(_231832, _231834))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_231832, _231834))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _231814, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _34582=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _243960)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _245818)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _255412)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _258116)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _275050)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _280620)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _282478)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _298488)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _280620)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _304058)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _320068)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _325638)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _327496)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _343506)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _325638)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _361148)
   Call: (194) [system] peek_char((0x560c892e10d0), _362082)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _361148=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _325638)
^  Call: (194) [user] classify_and_convert_charseq_([:], _371366)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_372318, _372320), once(user:catch(read_from_chars([:], _371366), _372300, fail)), '$restore_trace'(_372318, _372320))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_372318, _372320))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _372300, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _325638=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _384446)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _386304)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _395898)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _398602)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _415536)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _421106)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _422964)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _438974)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _421106)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _456616)
   Call: (195) [system] peek_char((0x560c892e10d0), _457550)
   Exit: (195) [system] peek_char((0x560c892e10d0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_462270, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_463202, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x560c892e10d0), t)
   Exit: (195) [system] get_char((0x560c892e10d0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _470552)
   Call: (196) [system] peek_char((0x560c892e10d0), _471486)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_476206, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_477138, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _484488)
   Call: (197) [system] peek_char((0x560c892e10d0), _485422)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_490142, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_491074, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _498424)
   Call: (198) [system] peek_char((0x560c892e10d0), _499358)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_504078, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_505010, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _512360)
   Call: (199) [system] peek_char((0x560c892e10d0), _513294)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _512360=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _498424=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (197) [system] _484488=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, m])
   Call: (196) [system] _470552=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, m])
   Call: (195) [system] _456616=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _421106)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _533754)
   Call: (196) [system] atom_chars(_534686, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _421106=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _term)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _543978)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _545836)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _555430)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _558134)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _575068)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _580638)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _582496)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _598506)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _580638)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _616148)
   Call: (196) [system] peek_char((0x560c892e10d0), _617082)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_621802, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_622734, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _630084)
   Call: (197) [system] peek_char((0x560c892e10d0), _631018)
   Exit: (197) [system] peek_char((0x560c892e10d0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_635738, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_636670, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x560c892e10d0), y)
   Exit: (197) [system] get_char((0x560c892e10d0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _644020)
   Call: (198) [system] peek_char((0x560c892e10d0), _644954)
   Exit: (198) [system] peek_char((0x560c892e10d0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_649674, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_650606, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x560c892e10d0), p)
   Exit: (198) [system] get_char((0x560c892e10d0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _657956)
   Call: (199) [system] peek_char((0x560c892e10d0), _658890)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_663610, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_664542, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _671892)
   Call: (200) [system] peek_char((0x560c892e10d0), _672826)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_677546, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _671892=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _657956=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _644020=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, e])
   Call: (197) [system] _630084=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, p, e])
   Call: (196) [system] _616148=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _580638)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _695158)
   Call: (197) [system] atom_chars(_696090, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _580638=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _type)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _705382)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _707240)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _723250)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _727040)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _705382=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _543978=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_type])
   Call: (192) [system] _384446=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_term, _type])
   Call: (191) [system] _280620=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _740922)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _742780)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _752374)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _755078)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _772012)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _777582)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _779440)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _795450)
   Exit: (191) [system] get_char((0x560c892e10d0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), k, _777582)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _813092)
   Call: (193) [system] peek_char((0x560c892e10d0), _814026)
   Exit: (193) [system] peek_char((0x560c892e10d0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_818746, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_819678, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x560c892e10d0), b)
   Exit: (193) [system] get_char((0x560c892e10d0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _827028)
   Call: (194) [system] peek_char((0x560c892e10d0), _827962)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _827028=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _813092=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _777582)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _840040)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_840992, _840994), once(user:catch(read_from_chars([k, b], _840040), _840974, fail)), '$restore_trace'(_840992, _840994))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_840992, _840994))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _840974, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _777582=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _853120)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _854978)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _864572)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _867276)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _884210)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _889780)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _891638)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _907648)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), r, _889780)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _925290)
   Call: (194) [system] peek_char((0x560c892e10d0), _926224)
   Exit: (194) [system] peek_char((0x560c892e10d0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_930944, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_931876, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x560c892e10d0), b)
   Exit: (194) [system] get_char((0x560c892e10d0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _939226)
   Call: (195) [system] peek_char((0x560c892e10d0), _940160)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _939226=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _925290=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _889780)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _952238)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_953190, _953192), once(user:catch(read_from_chars([r, b], _952238), _953172, fail)), '$restore_trace'(_953190, _953192))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_953190, _953192))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _953172, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _889780=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _965318)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _967176)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _976770)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _979474)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _996408)
   Exit: (192) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (192) [system] 'Z'=')'
   Fail: (192) [system] 'Z'=')'
   Call: (192) [system] 'Z'=end_of_file
   Fail: (192) [system] 'Z'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1001978)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1003836)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1019846)
   Exit: (193) [system] get_char((0x560c892e10d0), 'Z')
   Call: (193) [system] 'Z'='('
   Fail: (193) [system] 'Z'='('
   Call: (193) [system] 'Z'='['
   Fail: (193) [system] 'Z'='['
   Call: (193) [system] 'Z'='{'
   Fail: (193) [system] 'Z'='{'
   Call: (193) [system] 'Z'='"'
   Fail: (193) [system] 'Z'='"'
   Call: (193) [system] 'Z'=!
   Fail: (193) [system] 'Z'=!
   Call: (193) [system] 'Z'='\''
   Fail: (193) [system] 'Z'='\''
   Call: (193) [system] 'Z'='`'
   Fail: (193) [system] 'Z'='`'
   Call: (193) [system] 'Z'=end_of_file
   Fail: (193) [system] 'Z'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), 'Z', _1001978)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1037488)
   Call: (195) [system] peek_char((0x560c892e10d0), _1038422)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1043142, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1037488=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq(['Z'], _1001978)
^  Call: (195) [user] classify_and_convert_charseq_(['Z'], _1049578)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1050530, _1050532), once(user:catch(read_from_chars(['Z'], _1049578), _1050512, fail)), '$restore_trace'(_1050530, _1050532))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1050530, _1050532))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1049578), _1050512, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1049578)
   Fail: (196) [system] atomic(_1049578)
   Call: (196) [system] atom_chars(_1049578, ['Z'])
   Exit: (196) [system] atom_chars('Z', ['Z'])
^  Exit: (195) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (195) [system] integer('Z')
   Fail: (195) [system] integer('Z')
   Call: (195) [system] _1001978='Z'
   Exit: (195) [system] 'Z'='Z'
^  Exit: (194) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), 'Z', 'Z')
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), 'Z')
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1064528)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1066386)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1082396)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _1086186)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _1064528=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _965318=['Z']
   Exit: (192) [system] ['Z']=['Z']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), ['Z'])
   Call: (191) [system] _853120=[rb, 'Z']
   Exit: (191) [system] [rb, 'Z']=[rb, 'Z']
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [rb, 'Z'])
   Call: (190) [system] _740922=[kb, rb, 'Z']
   Exit: (190) [system] [kb, rb, 'Z']=[kb, rb, 'Z']
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [kb, rb, 'Z'])
   Call: (189) [system] _243960=[[:, _term, _type], kb, rb, 'Z']
   Exit: (189) [system] [[:, _term, _type], kb, rb, 'Z']=[[:, _term, _type], kb, rb, 'Z']
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, _term, _type], kb, rb, 'Z'])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, 'Z']
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, 'Z']=[synthesize, [:, _term, _type], kb, rb, 'Z']
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _1105656)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1107514)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _1118964)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1121668)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1131262)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1133966)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1143560)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1146264)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _1165046)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _1170616)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1172474)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _1188484)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1170616)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1194054)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1210064)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1215634)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1217492)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1233502)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1215634)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1239072)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1255082)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1260652)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1262510)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1278520)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _1260652)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1296162)
   Call: (194) [system] peek_char((0x560c892e10d0), _1297096)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1296162=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1260652)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1306380)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1307332, _1307334), once(user:catch(read_from_chars([:], _1306380), _1307314, fail)), '$restore_trace'(_1307332, _1307334))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1307332, _1307334))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1307314, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1260652=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1319460)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1321318)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1330912)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1333616)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1350550)
   Exit: (192) [system] peek_char((0x560c892e10d0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1356120)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1357978)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1373988)
   Exit: (193) [system] get_char((0x560c892e10d0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), a, _1356120)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1391630)
   Call: (195) [system] peek_char((0x560c892e10d0), _1392564)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1391630=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq([a], _1356120)
^  Call: (195) [user] classify_and_convert_charseq_([a], _1401848)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1402800, _1402802), once(user:catch(read_from_chars([a], _1401848), _1402782, fail)), '$restore_trace'(_1402800, _1402802))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1402800, _1402802))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1402782, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq_([a], a)
   Call: (195) [system] integer(a)
   Fail: (195) [system] integer(a)
   Call: (195) [system] _1356120=a
   Exit: (195) [system] a=a
^  Exit: (194) [user] classify_and_convert_charseq([a], a)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1414928)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1416786)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1426380)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1429084)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1446018)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1451588)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1453446)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1469456)
   Exit: (194) [system] get_char((0x560c892e10d0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1451588)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1487098)
   Call: (196) [system] peek_char((0x560c892e10d0), _1488032)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1492752, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1487098=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq(['A'], _1451588)
^  Call: (196) [user] classify_and_convert_charseq_(['A'], _1499188)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1500140, _1500142), once(user:catch(read_from_chars(['A'], _1499188), _1500122, fail)), '$restore_trace'(_1500140, _1500142))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1500140, _1500142))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1499188), _1500122, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1499188)
   Fail: (197) [system] atomic(_1499188)
   Call: (197) [system] atom_chars(_1499188, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (196) [system] integer('A')
   Fail: (196) [system] integer('A')
   Call: (196) [system] _1451588='A'
   Exit: (196) [system] 'A'='A'
^  Exit: (195) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1514138)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1515996)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1532006)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1535796)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1514138=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1414928=['A']
   Exit: (193) [system] ['A']=['A']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (192) [system] _1319460=[a, 'A']
   Exit: (192) [system] [a, 'A']=[a, 'A']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [a, 'A'])
   Call: (191) [system] _1215634=[:, a, 'A']
   Exit: (191) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, a, 'A'])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'A'])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1549678)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1551536)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1561130)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1563834)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1580768)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1586338)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1588196)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1604206)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1586338)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1609776)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1625786)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1631356)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1633214)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1649224)
   Exit: (193) [system] get_char((0x560c892e10d0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), :, _1631356)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1666866)
   Call: (195) [system] peek_char((0x560c892e10d0), _1667800)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1666866=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _1631356)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1677084)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1678036, _1678038), once(user:catch(read_from_chars([:], _1677084), _1678018, fail)), '$restore_trace'(_1678036, _1678038))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1678036, _1678038))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1678018, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _1631356=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1690164)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1692022)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1701616)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1704320)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1721254)
   Exit: (193) [system] peek_char((0x560c892e10d0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1726824)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1728682)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1744692)
   Exit: (194) [system] get_char((0x560c892e10d0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), a, _1726824)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1762334)
   Call: (196) [system] peek_char((0x560c892e10d0), _1763268)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1762334=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1726824)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1772552)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1773504, _1773506), once(user:catch(read_from_chars([a], _1772552), _1773486, fail)), '$restore_trace'(_1773504, _1773506))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1773504, _1773506))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1773486, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1726824=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1785632)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1787490)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1797084)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1799788)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1816722)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1822292)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1824150)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1840160)
   Exit: (195) [system] get_char((0x560c892e10d0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1822292)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1857802)
   Call: (197) [system] peek_char((0x560c892e10d0), _1858736)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1863456, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1857802=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['B'], _1822292)
^  Call: (197) [user] classify_and_convert_charseq_(['B'], _1869892)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1870844, _1870846), once(user:catch(read_from_chars(['B'], _1869892), _1870826, fail)), '$restore_trace'(_1870844, _1870846))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1870844, _1870846))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1869892), _1870826, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1869892)
   Fail: (198) [system] atomic(_1869892)
   Call: (198) [system] atom_chars(_1869892, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (197) [system] integer('B')
   Fail: (197) [system] integer('B')
   Call: (197) [system] _1822292='B'
   Exit: (197) [system] 'B'='B'
^  Exit: (196) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1884842)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1886700)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1902710)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _1906500)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _1884842=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1785632=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (193) [system] _1690164=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [a, 'B'])
   Call: (192) [system] _1586338=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1920382)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1922240)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1931834)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1934538)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1951472)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1957042)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1958900)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1974910)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1957042)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1980480)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1996490)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _2002060)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2003918)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _2019928)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _2002060)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _2037570)
   Call: (196) [system] peek_char((0x560c892e10d0), _2038504)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _2037570=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _2002060)
^  Call: (196) [user] classify_and_convert_charseq_([:], _2047788)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_2048740, _2048742), once(user:catch(read_from_chars([:], _2047788), _2048722, fail)), '$restore_trace'(_2048740, _2048742))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_2048740, _2048742))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2048722, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _2002060=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _2060868)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2062726)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _2072320)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2075024)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2091958)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _4246)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _6104)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _22114)
   Exit: (195) [system] get_char((0x560c892e10d0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), a, _4246)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _39756)
   Call: (197) [system] peek_char((0x560c892e10d0), _40690)
   Exit: (197) [system] peek_char((0x560c892e10d0), b)
^  Call: (197) [user] is_delimiter(b)
   Call: (198) [system] char_type(b, space)
   Fail: (198) [system] char_type(b, space)
   Call: (198) [system] arg(_45410, v('(', ')', end_of_file), b)
   Fail: (198) [system] arg(_46342, v('(', ')', end_of_file), b)
^  Fail: (197) [user] is_delimiter(b)
   Call: (197) [system] ')'==b
   Fail: (197) [system] ')'==b
   Call: (197) [system] get_char((0x560c892e10d0), b)
   Exit: (197) [system] get_char((0x560c892e10d0), b)
   Call: (197) [system] b=(\)
   Fail: (197) [system] b=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _53692)
   Call: (198) [system] peek_char((0x560c892e10d0), _54626)
   Exit: (198) [system] peek_char((0x560c892e10d0), c)
^  Call: (198) [user] is_delimiter(c)
   Call: (199) [system] char_type(c, space)
   Fail: (199) [system] char_type(c, space)
   Call: (199) [system] arg(_59346, v('(', ')', end_of_file), c)
   Fail: (199) [system] arg(_60278, v('(', ')', end_of_file), c)
^  Fail: (198) [user] is_delimiter(c)
   Call: (198) [system] ')'==c
   Fail: (198) [system] ')'==c
   Call: (198) [system] get_char((0x560c892e10d0), c)
   Exit: (198) [system] get_char((0x560c892e10d0), c)
   Call: (198) [system] c=(\)
   Fail: (198) [system] c=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _67628)
   Call: (199) [system] peek_char((0x560c892e10d0), _68562)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _67628=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _53692=[c]
   Exit: (198) [system] [c]=[c]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (197) [system] _39756=[b, c]
   Exit: (197) [system] [b, c]=[b, c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (196) [user] classify_and_convert_charseq([a, b, c], _4246)
^  Call: (197) [user] classify_and_convert_charseq_([a, b, c], _83434)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_84386, _84388), once(user:catch(read_from_chars([a, b, c], _83434), _84368, fail)), '$restore_trace'(_84386, _84388))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_84386, _84388))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _84368, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(abc)
   Exit: (198) [system] atomic(abc)
^  Exit: (197) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (197) [system] integer(abc)
   Fail: (197) [system] integer(abc)
   Call: (197) [system] _4246=abc
   Exit: (197) [system] abc=abc
^  Exit: (196) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _96514)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _98372)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _107966)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _110670)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _127604)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _133174)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _135032)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _151042)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _133174)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _156612)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _172622)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _178192)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _180050)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _196060)
   Exit: (198) [system] get_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'I', _178192)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _213702)
   Call: (200) [system] peek_char((0x560c892e10d0), _214636)
   Exit: (200) [system] peek_char((0x560c892e10d0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_219356, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_220288, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x560c892e10d0), m)
   Exit: (200) [system] get_char((0x560c892e10d0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _227638)
   Call: (201) [system] peek_char((0x560c892e10d0), _228572)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_233292, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_234224, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _241574)
   Call: (202) [system] peek_char((0x560c892e10d0), _242508)
   Exit: (202) [system] peek_char((0x560c892e10d0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_247228, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_248160, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x560c892e10d0), l)
   Exit: (202) [system] get_char((0x560c892e10d0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _255510)
   Call: (203) [system] peek_char((0x560c892e10d0), _256444)
   Exit: (203) [system] peek_char((0x560c892e10d0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_261164, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_262096, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x560c892e10d0), i)
   Exit: (203) [system] get_char((0x560c892e10d0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _269446)
   Call: (204) [system] peek_char((0x560c892e10d0), _270380)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_275100, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_276032, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _283382)
   Call: (205) [system] peek_char((0x560c892e10d0), _284316)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_289036, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_289968, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x560c892e10d0), a)
   Exit: (205) [system] get_char((0x560c892e10d0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _297318)
   Call: (206) [system] peek_char((0x560c892e10d0), _298252)
   Exit: (206) [system] peek_char((0x560c892e10d0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_302972, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_303904, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x560c892e10d0), t)
   Exit: (206) [system] get_char((0x560c892e10d0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _311254)
   Call: (207) [system] peek_char((0x560c892e10d0), _312188)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_316908, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_317840, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _325190)
   Call: (208) [system] peek_char((0x560c892e10d0), _326124)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_330844, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_331776, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _339126)
   Call: (209) [system] peek_char((0x560c892e10d0), _340060)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_344780, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_345712, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _353062)
   Call: (210) [system] peek_char((0x560c892e10d0), _353996)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _353062=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _339126=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (208) [system] _325190=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (207) [system] _311254=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (206) [system] _297318=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (205) [system] _283382=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (204) [system] _269446=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (203) [system] _255510=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (202) [system] _241574=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _227638=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _213702=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _178192)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _391220)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_392172, _392174), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _391220), _392154, fail)), '$restore_trace'(_392172, _392174))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_392172, _392174))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _391220), _392154, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_391220)
   Fail: (201) [system] atomic(_391220)
   Call: (201) [system] atom_chars(_391220, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _178192='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _406170)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _408028)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _417622)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _420326)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _437260)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _442830)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _444688)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _460698)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _442830)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _466268)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _482278)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _487848)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _489706)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _505716)
   Exit: (201) [system] get_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'A', _487848)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _523358)
   Call: (203) [system] peek_char((0x560c892e10d0), _524292)
   Exit: (203) [system] peek_char((0x560c892e10d0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_529012, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_529944, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x560c892e10d0), n)
   Exit: (203) [system] get_char((0x560c892e10d0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _537294)
   Call: (204) [system] peek_char((0x560c892e10d0), _538228)
   Exit: (204) [system] peek_char((0x560c892e10d0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_542948, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_543880, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x560c892e10d0), d)
   Exit: (204) [system] get_char((0x560c892e10d0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _551230)
   Call: (205) [system] peek_char((0x560c892e10d0), _552164)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_556884, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_557816, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x560c892e10d0), 'L')
   Exit: (205) [system] get_char((0x560c892e10d0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _565166)
   Call: (206) [system] peek_char((0x560c892e10d0), _566100)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_570820, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_571752, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _579102)
   Call: (207) [system] peek_char((0x560c892e10d0), _580036)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_584756, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_585688, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _593038)
   Call: (208) [system] peek_char((0x560c892e10d0), _593972)
   Exit: (208) [system] peek_char((0x560c892e10d0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_598692, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_599624, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x560c892e10d0), k)
   Exit: (208) [system] get_char((0x560c892e10d0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _606974)
   Call: (209) [system] peek_char((0x560c892e10d0), _607908)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _606974=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _593038=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (207) [system] _579102=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (206) [system] _565166=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (205) [system] _551230=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (204) [system] _537294=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (203) [system] _523358=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _487848)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _633956)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_634908, _634910), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _633956), _634890, fail)), '$restore_trace'(_634908, _634910))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_634908, _634910))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _633956), _634890, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_633956)
   Fail: (204) [system] atomic(_633956)
   Call: (204) [system] atom_chars(_633956, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _487848='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _648906)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _650764)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _660358)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _663062)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _679996)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _685566)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _687424)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _703434)
   Exit: (202) [system] get_char((0x560c892e10d0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'A', _685566)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _721076)
   Call: (204) [system] peek_char((0x560c892e10d0), _722010)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _721076=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq(['A'], _685566)
^  Call: (204) [user] classify_and_convert_charseq_(['A'], _731294)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_732246, _732248), once(user:catch(read_from_chars(['A'], _731294), _732228, fail)), '$restore_trace'(_732246, _732248))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_732246, _732248))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _731294), _732228, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_731294)
   Fail: (205) [system] atomic(_731294)
   Call: (205) [system] atom_chars(_731294, ['A'])
   Exit: (205) [system] atom_chars('A', ['A'])
^  Exit: (204) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (204) [system] integer('A')
   Fail: (204) [system] integer('A')
   Call: (204) [system] _685566='A'
   Exit: (204) [system] 'A'='A'
^  Exit: (203) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _746244)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _748102)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _757696)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _760400)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _777334)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _782904)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _784762)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _800772)
   Exit: (203) [system] get_char((0x560c892e10d0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'B', _782904)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _818414)
   Call: (205) [system] peek_char((0x560c892e10d0), _819348)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_824068, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _818414=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq(['B'], _782904)
^  Call: (205) [user] classify_and_convert_charseq_(['B'], _830504)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_831456, _831458), once(user:catch(read_from_chars(['B'], _830504), _831438, fail)), '$restore_trace'(_831456, _831458))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_831456, _831458))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _830504), _831438, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_830504)
   Fail: (206) [system] atomic(_830504)
   Call: (206) [system] atom_chars(_830504, ['B'])
   Exit: (206) [system] atom_chars('B', ['B'])
^  Exit: (205) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (205) [system] integer('B')
   Fail: (205) [system] integer('B')
   Call: (205) [system] _782904='B'
   Exit: (205) [system] 'B'='B'
^  Exit: (204) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _845454)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _847312)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _863322)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _867112)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _845454=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _746244=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (201) [system] _648906=['A', 'B']
   Exit: (201) [system] ['A', 'B']=['A', 'B']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (200) [system] _442830=['AndLink', 'A', 'B']
   Exit: (200) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _880994)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _882852)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _892446)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _895150)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _912084)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _917654)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _919512)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _935522)
   Exit: (200) [system] get_char((0x560c892e10d0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'C', _917654)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _953164)
   Call: (202) [system] peek_char((0x560c892e10d0), _954098)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_958818, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _953164=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq(['C'], _917654)
^  Call: (202) [user] classify_and_convert_charseq_(['C'], _965254)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_966206, _966208), once(user:catch(read_from_chars(['C'], _965254), _966188, fail)), '$restore_trace'(_966206, _966208))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_966206, _966208))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _965254), _966188, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_965254)
   Fail: (203) [system] atomic(_965254)
   Call: (203) [system] atom_chars(_965254, ['C'])
   Exit: (203) [system] atom_chars('C', ['C'])
^  Exit: (202) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (202) [system] integer('C')
   Fail: (202) [system] integer('C')
   Call: (202) [system] _917654='C'
   Exit: (202) [system] 'C'='C'
^  Exit: (201) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _980204)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _982062)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _998072)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _1001862)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _980204=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _880994=['C']
   Exit: (199) [system] ['C']=['C']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (198) [system] _406170=[['AndLink', 'A', 'B'], 'C']
   Exit: (198) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (197) [system] _133174=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1015744)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1017602)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1033612)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1037402)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1015744=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _96514=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (195) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (194) [system] _3496=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _3488=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1051284)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1053142)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1062736)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1065440)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1082374)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1087944)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1089802)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1105812)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1087944)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1111382)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1127392)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1132962)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1134820)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1150830)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _1132962)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1168472)
   Call: (197) [system] peek_char((0x560c892e10d0), _1169406)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1168472=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1132962)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1178690)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1179642, _1179644), once(user:catch(read_from_chars([:], _1178690), _1179624, fail)), '$restore_trace'(_1179642, _1179644))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1179642, _1179644))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1179624, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1132962=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1191770)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1193628)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1203222)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1205926)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1222860)
   Exit: (195) [system] peek_char((0x560c892e10d0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1228430)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1230288)
   Exit: (197) [system] peek_char((0x560c892e10d0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1246298)
   Exit: (196) [system] get_char((0x560c892e10d0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), c, _1228430)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1263940)
   Call: (198) [system] peek_char((0x560c892e10d0), _1264874)
   Exit: (198) [system] peek_char((0x560c892e10d0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_1269594, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_1270526, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x560c892e10d0), d)
   Exit: (198) [system] get_char((0x560c892e10d0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1277876)
   Call: (199) [system] peek_char((0x560c892e10d0), _1278810)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1283530, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1284462, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1291812)
   Call: (200) [system] peek_char((0x560c892e10d0), _1292746)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1291812=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1277876=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _1263940=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _1228430)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _1307618)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1308570, _1308572), once(user:catch(read_from_chars([c, d, e], _1307618), _1308552, fail)), '$restore_trace'(_1308570, _1308572))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1308570, _1308572))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1308552, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _1228430=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1320698)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1322556)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1332150)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1334854)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1351788)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1357358)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1359216)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1375226)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1357358)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1380796)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1396806)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1402376)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1404234)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1420244)
   Exit: (199) [system] get_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1402376)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1437886)
   Call: (201) [system] peek_char((0x560c892e10d0), _1438820)
   Exit: (201) [system] peek_char((0x560c892e10d0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_1443540, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_1444472, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x560c892e10d0), m)
   Exit: (201) [system] get_char((0x560c892e10d0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1451822)
   Call: (202) [system] peek_char((0x560c892e10d0), _1452756)
   Exit: (202) [system] peek_char((0x560c892e10d0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1457476, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1458408, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x560c892e10d0), p)
   Exit: (202) [system] get_char((0x560c892e10d0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1465758)
   Call: (203) [system] peek_char((0x560c892e10d0), _1466692)
   Exit: (203) [system] peek_char((0x560c892e10d0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1471412, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1472344, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x560c892e10d0), l)
   Exit: (203) [system] get_char((0x560c892e10d0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1479694)
   Call: (204) [system] peek_char((0x560c892e10d0), _1480628)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1485348, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1486280, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1493630)
   Call: (205) [system] peek_char((0x560c892e10d0), _1494564)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1499284, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1500216, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1507566)
   Call: (206) [system] peek_char((0x560c892e10d0), _1508500)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1513220, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1514152, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x560c892e10d0), a)
   Exit: (206) [system] get_char((0x560c892e10d0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1521502)
   Call: (207) [system] peek_char((0x560c892e10d0), _1522436)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1527156, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1528088, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1535438)
   Call: (208) [system] peek_char((0x560c892e10d0), _1536372)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1541092, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1542024, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1549374)
   Call: (209) [system] peek_char((0x560c892e10d0), _1550308)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1555028, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1555960, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1563310)
   Call: (210) [system] peek_char((0x560c892e10d0), _1564244)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1568964, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1569896, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1577246)
   Call: (211) [system] peek_char((0x560c892e10d0), _1578180)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1577246=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1563310=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (209) [system] _1549374=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (208) [system] _1535438=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (207) [system] _1521502=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (206) [system] _1507566=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (205) [system] _1493630=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (204) [system] _1479694=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (203) [system] _1465758=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _1451822=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _1437886=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1402376)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1615404)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1616356, _1616358), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1615404), _1616338, fail)), '$restore_trace'(_1616356, _1616358))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1616356, _1616358))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1615404), _1616338, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1615404)
   Fail: (202) [system] atomic(_1615404)
   Call: (202) [system] atom_chars(_1615404, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _1402376='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1630354)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1632212)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1641806)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1644510)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1661444)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1667014)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1668872)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1684882)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1667014)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1690452)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1706462)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1712032)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1713890)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1729900)
   Exit: (202) [system] get_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1712032)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1747542)
   Call: (204) [system] peek_char((0x560c892e10d0), _1748476)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1753196, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1754128, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1761478)
   Call: (205) [system] peek_char((0x560c892e10d0), _1762412)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1767132, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1768064, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x560c892e10d0), 'L')
   Exit: (205) [system] get_char((0x560c892e10d0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1775414)
   Call: (206) [system] peek_char((0x560c892e10d0), _1776348)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1781068, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1782000, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1789350)
   Call: (207) [system] peek_char((0x560c892e10d0), _1790284)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1795004, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1795936, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1803286)
   Call: (208) [system] peek_char((0x560c892e10d0), _1804220)
   Exit: (208) [system] peek_char((0x560c892e10d0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1808940, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1809872, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x560c892e10d0), k)
   Exit: (208) [system] get_char((0x560c892e10d0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1817222)
   Call: (209) [system] peek_char((0x560c892e10d0), _1818156)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1817222=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1803286=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (207) [system] _1789350=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (206) [system] _1775414=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (205) [system] _1761478=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (204) [system] _1747542=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1712032)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1841410)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1842362, _1842364), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1841410), _1842344, fail)), '$restore_trace'(_1842362, _1842364))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1842362, _1842364))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1841410), _1842344, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1841410)
   Fail: (205) [system] atomic(_1841410)
   Call: (205) [system] atom_chars(_1841410, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _1712032='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1856360)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1858218)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1867812)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1870516)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1887450)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1893020)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1894878)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1910888)
   Exit: (203) [system] get_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1893020)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1928530)
   Call: (205) [system] peek_char((0x560c892e10d0), _1929464)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1928530=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _1893020)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _1938748)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1939700, _1939702), once(user:catch(read_from_chars(['C'], _1938748), _1939682, fail)), '$restore_trace'(_1939700, _1939702))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1939700, _1939702))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1938748), _1939682, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1938748)
   Fail: (206) [system] atomic(_1938748)
   Call: (206) [system] atom_chars(_1938748, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _1893020='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1953698)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1955556)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1965150)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1967854)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1984788)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1990358)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1992216)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _2008226)
   Exit: (204) [system] get_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1990358)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2025868)
   Call: (206) [system] peek_char((0x560c892e10d0), _2026802)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_2031522, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _2025868=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _1990358)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _2037958)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_2038910, _2038912), once(user:catch(read_from_chars(['D'], _2037958), _2038892, fail)), '$restore_trace'(_2038910, _2038912))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_2038910, _2038912))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _2037958), _2038892, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_2037958)
   Fail: (207) [system] atomic(_2037958)
   Call: (207) [system] atom_chars(_2037958, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _1990358='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _2052908)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2054766)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2070776)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _2074566)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _2052908=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _1953698=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (202) [system] _1856360=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (201) [system] _1667014=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _2088448)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _2090306)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _6644)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _9348)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _26282)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _31852)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _33710)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _49720)
   Exit: (201) [system] get_char((0x560c892e10d0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'E', _31852)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _67362)
   Call: (203) [system] peek_char((0x560c892e10d0), _68296)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_73016, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _67362=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _31852)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _79452)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_80404, _80406), once(user:catch(read_from_chars(['E'], _79452), _80386, fail)), '$restore_trace'(_80404, _80406))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_80404, _80406))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _79452), _80386, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_79452)
   Fail: (204) [system] atomic(_79452)
   Call: (204) [system] atom_chars(_79452, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _31852='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _94402)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _96260)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _112270)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _116060)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _94402=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _3598=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (199) [system] _3574=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _3566=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _129942)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _131800)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _147810)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _151600)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _129942=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _3562=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _3556=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3548=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _165482)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _167340)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _183350)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _187140)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _165482=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _3544=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3484=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3460=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3434=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x560c892e10d0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _203816)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _205674)
   Exit: (189) [system] peek_char((0x560c892e10d0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _221684)
   Exit: (188) [system] peek_char((0x560c892e10d0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x560c892e10d0), _225474)
   Exit: (188) [system] get_char((0x560c892e10d0), ')')
   Call: (188) [system] _203816=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [])
   Call: (187) [system] _3430=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x560c892e10d0), [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x560c892e10d0), [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x560c892e10d0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (178) [system] once(user:(read_position((0x560c892e10d0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568)), read_sexpr((0x560c892e10d0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_247712, _247714, _247716, _247718, _247720))
^  Exit: (178) [user] retract(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _256164))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _256164)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), _256164)
   Call: (188) [system] var('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] atom('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==true
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==false
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==[_262684, _262690]
   Call: (188) [system] is_list('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] string('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Exit: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), _267318, _267320)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; Quintenary rule", 83, 0], _271060)
   Call: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], _271060, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; Quintenary rule", _272940)
   Call: (191) [system] var(";; Quintenary rule")
   Call: (191) [system] atom(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"==true
   Call: (191) [system] ";; Quintenary rule"==false
   Call: (191) [system] ";; Quintenary rule"==[_277582, _277588]
   Call: (191) [system] is_list(";; Quintenary rule")
   Call: (191) [system] string(";; Quintenary rule")
   Exit: (191) [system] string(";; Quintenary rule")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; Quintenary rule")
^  Call: (191) [user] symbol(";; Quintenary rule")
   Call: (192) [system] atom(";; Quintenary rule")
   Fail: (192) [system] atom(";; Quintenary rule")
^  Fail: (191) [user] symbol(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"=_272940
   Exit: (191) [system] ";; Quintenary rule"=";; Quintenary rule"
^  Exit: (190) [user] mfix_vars1(";; Quintenary rule", ";; Quintenary rule")
   Call: (190) [apply] apply:maplist_([83, 0], _272942, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(83, _291462)
   Call: (192) [system] var(83)
   Call: (192) [system] atom(83)
   Call: (192) [system] 83==true
   Call: (192) [system] 83==false
   Call: (192) [system] 83==[_296104, _296110]
   Call: (192) [system] is_list(83)
   Call: (192) [system] string(83)
   Call: (192) [system] compound(83)
^  Call: (192) [user] symbol(83)
   Call: (193) [system] atom(83)
   Fail: (193) [system] atom(83)
^  Fail: (192) [user] symbol(83)
   Call: (192) [system] 83=_291462
   Exit: (192) [system] 83=83
^  Exit: (191) [user] mfix_vars1(83, 83)
   Call: (191) [apply] apply:maplist_([0], _291464, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _307228)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_311870, _311876]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_307228
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _307230, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([83, 0], [83, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0])
   Call: (188) [system] compound_name_arguments(_256164, '$COMMENT', [";; Quintenary rule", 83, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _338846))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _338846)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), _338846)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _352804))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _352804)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), _352804)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (179) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (171) [user] read_sform((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (170) [system] once(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x560c892e10d0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1729639339.6246467), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639339.6246467), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1729639320_140374, 153)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1729639339.6246467), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639339.6246467), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1729639340.3598082)
   Call: (173) [system] arg(1, t(1729639339.6246467), _3148)
   Exit: (173) [system] arg(1, t(1729639339.6246467), 1729639339.6246467)
   Call: (173) [system] _3158 is 1729639340.3598082-1729639339.6246467
   Exit: (173) [system] 0.735161542892456 is 1729639340.3598082-1729639339.6246467
   Call: (173) [system] 0.735161542892456>4
   Fail: (173) [system] 0.735161542892456>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1729639339.6246467), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639339.6246467), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 26)
   Call: (175) [system] atom(26+1)
   Call: (175) [system] set_flag(translated_forms, 27)
   Exit: (175) [system] set_flag(translated_forms, 27)
   Exit: (174) [$syspreds] update_flag(translated_forms, 26, 26+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 26, 26+1))
   Exit: (171) [$syspreds] flag(translated_forms, 26, 26+1)
^  Call: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1729639320_140374, 153)
^  Call: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (172) [user] format((0x560c893a0f80), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1729639320_140374, 153)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1729639339.6246467), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1729639339.6246467), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 26, 26+1), write_metta_datalog_term((0x560c893a0f80), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1729639320_140374, 153)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x560c892e10d0))
   Fail: (169) [system] at_end_of_stream((0x560c892e10d0))
^  Call: (169) [user] must_det_ll(line_count((0x560c892e10d0), _3074))
^  Call: (170) [user] once(user:line_count((0x560c892e10d0), _3074))
   Call: (171) [system] line_count((0x560c892e10d0), _3074)
   Exit: (171) [system] line_count((0x560c892e10d0), 157)
^  Exit: (170) [system] once(user:line_count((0x560c892e10d0), 157))
^  Exit: (169) [user] must_det_ll(user:line_count((0x560c892e10d0), 157))
^  Call: (169) [user] must_det_ll(read_sform((0x560c892e10d0), _3084))
^  Call: (170) [user] once(user:read_sform((0x560c892e10d0), _3084))
^  Call: (171) [user] read_sform((0x560c892e10d0), _3084)
   Call: (172) [system] string((0x560c892e10d0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (173) [system] string((0x560c892e10d0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (174) [system] at_end_of_stream((0x560c892e10d0))
   Call: (174) [system] peek_char((0x560c892e10d0), _428516)
   Exit: (174) [system] peek_char((0x560c892e10d0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x560c892e10d0), '\n')
   Exit: (174) [system] get_char((0x560c892e10d0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (175) [system] at_end_of_stream((0x560c892e10d0))
   Call: (175) [system] peek_char((0x560c892e10d0), _435938)
   Exit: (175) [system] peek_char((0x560c892e10d0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x560c892e10d0), '\n')
   Exit: (175) [system] get_char((0x560c892e10d0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x560c892e10d0), _3084)
   Call: (176) [system] at_end_of_stream((0x560c892e10d0))
   Call: (176) [system] peek_char((0x560c892e10d0), _443360)
   Exit: (176) [system] peek_char((0x560c892e10d0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
   Call: (177) [system] string((0x560c892e10d0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x560c892e10d0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x560c892e10d0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x560c892e10d0), _3084)
   Call: (178) [system] at_end_of_stream((0x560c892e10d0))
   Call: (178) [system] peek_char((0x560c892e10d0), _451698)
   Exit: (178) [system] peek_char((0x560c892e10d0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _454484=(0x560c892e10d0)
   Exit: (178) [system] (0x560c892e10d0)=(0x560c892e10d0)
^  Call: (178) [user] once((read_position((0x560c892e10d0), _456352, _456354, _456356, _456358), read_sexpr((0x560c892e10d0), _456370), assertz(metta_file_comment(_456352, _456354, _456356, _456370, _456358))))
^  Call: (180) [user] read_position((0x560c892e10d0), _456352, _456354, _456356, _456358)
   Call: (181) [system] stream_property((0x560c892e10d0), position(_456358))
   Call: (182) [system] nonvar((0x560c892e10d0))
   Exit: (182) [system] nonvar((0x560c892e10d0))
   Call: (182) [system] nonvar(position(_456358))
   Exit: (182) [system] nonvar(position(_456358))
   Exit: (181) [system] stream_property((0x560c892e10d0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _456352)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _466610)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _456352)
   Exit: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _456354)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _474044)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _456354)
   Exit: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _456356)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _481478)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _456356)
   Exit: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (180) [user] read_position((0x560c892e10d0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (180) [user] read_sexpr((0x560c892e10d0), _456370)
   Call: (181) [system] string((0x560c892e10d0))
   Fail: (181) [system] string((0x560c892e10d0))
^  Call: (181) [user] cont_sexpr(')', (0x560c892e10d0), _456370)
^  Call: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (183) [system] peek_char((0x560c892e10d0), _491704)
   Exit: (183) [system] peek_char((0x560c892e10d0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (184) [user] read_position((0x560c892e10d0), _496342, _496344, _496346, _496348)
   Call: (185) [system] stream_property((0x560c892e10d0), position(_496348))
   Call: (186) [system] nonvar((0x560c892e10d0))
   Exit: (186) [system] nonvar((0x560c892e10d0))
   Call: (186) [system] nonvar(position(_496348))
   Exit: (186) [system] nonvar(position(_496348))
   Exit: (185) [system] stream_property((0x560c892e10d0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _496342)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _505636)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _496342)
   Exit: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _496344)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _513070)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _496344)
   Exit: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _496346)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _520504)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _496346)
   Exit: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (184) [user] read_position((0x560c892e10d0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
   Call: (184) [read_util] read_util:read_line_to_string((0x560c892e10d0), _526098)
   Call: (185) [system] read_string((0x560c892e10d0), '\n', '\r', _527028, _527030)
   Exit: (185) [system] read_string((0x560c892e10d0), '\n', '\r', 10, ";; takes about 1 minute on rust")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _526098=";; takes about 1 minute on rust"
   Exit: (185) [system] ";; takes about 1 minute on rust"=";; takes about 1 minute on rust"
   Exit: (184) [read_util] read_util:read_line_to_string((0x560c892e10d0), ";; takes about 1 minute on rust")
^  Call: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (183) [user] read_single_line_comment((0x560c892e10d0))
^  Call: (183) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] peek_char((0x560c892e10d0), _537294)
   Exit: (184) [system] peek_char((0x560c892e10d0), !)
   Call: (184) [system] !=(;)
   Fail: (184) [system] !=(;)
   Call: (184) [system] !=(/)
   Fail: (184) [system] !=(/)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Fail: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Fail: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Fail: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
   Fail: (185) [system] char_type(!, cntrl)
^  Fail: (184) [user] is_like_space(!)
^  Exit: (183) [user] skip_spaces((0x560c892e10d0))
^  Exit: (182) [user] skip_spaces((0x560c892e10d0))
   Call: (182) [system] get_char((0x560c892e10d0), _554228)
   Exit: (182) [system] get_char((0x560c892e10d0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x560c892e10d0), _565366)
   Call: (183) [system] string((0x560c892e10d0))
   Fail: (183) [system] string((0x560c892e10d0))
^  Call: (183) [user] cont_sexpr(')', (0x560c892e10d0), _565366)
^  Call: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _570000)
   Exit: (185) [system] peek_char((0x560c892e10d0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x560c892e10d0))
   Call: (184) [system] get_char((0x560c892e10d0), _586010)
   Exit: (184) [system] get_char((0x560c892e10d0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x560c892e10d0), _565366)
^  Call: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _591580)
   Exit: (186) [system] peek_char((0x560c892e10d0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x560c892e10d0))
   Call: (185) [system] peek_char((0x560c892e10d0), _607590)
   Exit: (185) [system] peek_char((0x560c892e10d0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x560c892e10d0), _613160)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _615018)
   Exit: (187) [system] peek_char((0x560c892e10d0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] get_char((0x560c892e10d0), _631028)
   Exit: (186) [system] get_char((0x560c892e10d0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x560c892e10d0), a, _613160)
^  Call: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), _648670)
   Call: (188) [system] peek_char((0x560c892e10d0), _649604)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_654324, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_655256, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x560c892e10d0), s)
   Exit: (188) [system] get_char((0x560c892e10d0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), _662606)
   Call: (189) [system] peek_char((0x560c892e10d0), _663540)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_668260, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_669192, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x560c892e10d0), s)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), _676542)
   Call: (190) [system] peek_char((0x560c892e10d0), _677476)
   Exit: (190) [system] peek_char((0x560c892e10d0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_682196, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_683128, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x560c892e10d0), e)
   Exit: (190) [system] get_char((0x560c892e10d0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _690478)
   Call: (191) [system] peek_char((0x560c892e10d0), _691412)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_696132, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_697064, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x560c892e10d0), r)
   Exit: (191) [system] get_char((0x560c892e10d0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _704414)
   Call: (192) [system] peek_char((0x560c892e10d0), _705348)
   Exit: (192) [system] peek_char((0x560c892e10d0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_710068, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_711000, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x560c892e10d0), t)
   Exit: (192) [system] get_char((0x560c892e10d0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _718350)
   Call: (193) [system] peek_char((0x560c892e10d0), _719284)
   Exit: (193) [system] peek_char((0x560c892e10d0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_724004, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_724936, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x560c892e10d0), 'E')
   Exit: (193) [system] get_char((0x560c892e10d0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _732286)
   Call: (194) [system] peek_char((0x560c892e10d0), _733220)
   Exit: (194) [system] peek_char((0x560c892e10d0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_737940, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_738872, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x560c892e10d0), q)
   Exit: (194) [system] get_char((0x560c892e10d0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _746222)
   Call: (195) [system] peek_char((0x560c892e10d0), _747156)
   Exit: (195) [system] peek_char((0x560c892e10d0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_751876, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_752808, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x560c892e10d0), u)
   Exit: (195) [system] get_char((0x560c892e10d0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _760158)
   Call: (196) [system] peek_char((0x560c892e10d0), _761092)
   Exit: (196) [system] peek_char((0x560c892e10d0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_765812, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_766744, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x560c892e10d0), a)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _774094)
   Call: (197) [system] peek_char((0x560c892e10d0), _775028)
   Exit: (197) [system] peek_char((0x560c892e10d0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_779748, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_780680, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x560c892e10d0), l)
   Exit: (197) [system] get_char((0x560c892e10d0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _788030)
   Call: (198) [system] peek_char((0x560c892e10d0), _788964)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_793684, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_794616, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x560c892e10d0), 'T')
   Exit: (198) [system] get_char((0x560c892e10d0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _801966)
   Call: (199) [system] peek_char((0x560c892e10d0), _802900)
   Exit: (199) [system] peek_char((0x560c892e10d0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_807620, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_808552, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x560c892e10d0), o)
   Exit: (199) [system] get_char((0x560c892e10d0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _815902)
   Call: (200) [system] peek_char((0x560c892e10d0), _816836)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_821556, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_822488, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x560c892e10d0), 'R')
   Exit: (200) [system] get_char((0x560c892e10d0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _829838)
   Call: (201) [system] peek_char((0x560c892e10d0), _830772)
   Exit: (201) [system] peek_char((0x560c892e10d0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_835492, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_836424, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x560c892e10d0), e)
   Exit: (201) [system] get_char((0x560c892e10d0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _843774)
   Call: (202) [system] peek_char((0x560c892e10d0), _844708)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_849428, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_850360, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x560c892e10d0), s)
   Exit: (202) [system] get_char((0x560c892e10d0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _857710)
   Call: (203) [system] peek_char((0x560c892e10d0), _858644)
   Exit: (203) [system] peek_char((0x560c892e10d0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_863364, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_864296, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x560c892e10d0), u)
   Exit: (203) [system] get_char((0x560c892e10d0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _871646)
   Call: (204) [system] peek_char((0x560c892e10d0), _872580)
   Exit: (204) [system] peek_char((0x560c892e10d0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_877300, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_878232, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x560c892e10d0), l)
   Exit: (204) [system] get_char((0x560c892e10d0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _885582)
   Call: (205) [system] peek_char((0x560c892e10d0), _886516)
   Exit: (205) [system] peek_char((0x560c892e10d0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_891236, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_892168, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x560c892e10d0), t)
   Exit: (205) [system] get_char((0x560c892e10d0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _899518)
   Call: (206) [system] peek_char((0x560c892e10d0), _900452)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _899518=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _885582=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [t])
   Call: (204) [system] _871646=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, t])
   Call: (203) [system] _857710=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, l, t])
   Call: (202) [system] _843774=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, u, l, t])
   Call: (201) [system] _829838=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, u, l, t])
   Call: (200) [system] _815902=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), ['R', e, s, u, l, t])
   Call: (199) [system] _801966=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _788030=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _774094=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _760158=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _746222=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _732286=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _718350=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _704414=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _690478=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _676542=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _662606=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _648670=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _613160)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _960028)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_960980, _960982), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _960028), _960962, fail)), '$restore_trace'(_960980, _960982))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_960980, _960982))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _960962, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _613160=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x560c892e10d0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x560c892e10d0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x560c892e10d0), _973108)
^  Call: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _974966)
   Exit: (187) [system] peek_char((0x560c892e10d0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
   Call: (187) [system] '\n'=(/)
   Fail: (187) [system] '\n'=(/)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x560c892e10d0), _986416)
   Exit: (187) [system] get_char((0x560c892e10d0), '\n')
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _989120)
   Exit: (188) [system] peek_char((0x560c892e10d0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x560c892e10d0), _998714)
   Exit: (188) [system] get_char((0x560c892e10d0), ' ')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1001418)
   Exit: (189) [system] peek_char((0x560c892e10d0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x560c892e10d0), _1011012)
   Exit: (189) [system] get_char((0x560c892e10d0), ' ')
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1013716)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
^  Exit: (186) [user] skip_spaces((0x560c892e10d0))
   Call: (186) [system] peek_char((0x560c892e10d0), _1032498)
   Exit: (186) [system] peek_char((0x560c892e10d0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x560c892e10d0), _1038068)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1039926)
   Exit: (188) [system] peek_char((0x560c892e10d0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] get_char((0x560c892e10d0), _1055936)
   Exit: (187) [system] get_char((0x560c892e10d0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x560c892e10d0), _1038068)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1061506)
   Exit: (189) [system] peek_char((0x560c892e10d0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _1077516)
   Exit: (188) [system] peek_char((0x560c892e10d0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x560c892e10d0), _1083086)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1084944)
   Exit: (190) [system] peek_char((0x560c892e10d0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] get_char((0x560c892e10d0), _1100954)
   Exit: (189) [system] get_char((0x560c892e10d0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x560c892e10d0), s, _1083086)
^  Call: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), _1118596)
   Call: (191) [system] peek_char((0x560c892e10d0), _1119530)
   Exit: (191) [system] peek_char((0x560c892e10d0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1124250, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_1125182, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x560c892e10d0), y)
   Exit: (191) [system] get_char((0x560c892e10d0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), _1132532)
   Call: (192) [system] peek_char((0x560c892e10d0), _1133466)
   Exit: (192) [system] peek_char((0x560c892e10d0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1138186, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_1139118, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x560c892e10d0), n)
   Exit: (192) [system] get_char((0x560c892e10d0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146468)
   Call: (193) [system] peek_char((0x560c892e10d0), _1147402)
   Exit: (193) [system] peek_char((0x560c892e10d0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1152122, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_1153054, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x560c892e10d0), t)
   Exit: (193) [system] get_char((0x560c892e10d0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1160404)
   Call: (194) [system] peek_char((0x560c892e10d0), _1161338)
   Exit: (194) [system] peek_char((0x560c892e10d0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1166058, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_1166990, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x560c892e10d0), h)
   Exit: (194) [system] get_char((0x560c892e10d0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174340)
   Call: (195) [system] peek_char((0x560c892e10d0), _1175274)
   Exit: (195) [system] peek_char((0x560c892e10d0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1179994, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_1180926, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x560c892e10d0), e)
   Exit: (195) [system] get_char((0x560c892e10d0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188276)
   Call: (196) [system] peek_char((0x560c892e10d0), _1189210)
   Exit: (196) [system] peek_char((0x560c892e10d0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1193930, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_1194862, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x560c892e10d0), s)
   Exit: (196) [system] get_char((0x560c892e10d0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202212)
   Call: (197) [system] peek_char((0x560c892e10d0), _1203146)
   Exit: (197) [system] peek_char((0x560c892e10d0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1207866, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1208798, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x560c892e10d0), i)
   Exit: (197) [system] get_char((0x560c892e10d0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216148)
   Call: (198) [system] peek_char((0x560c892e10d0), _1217082)
   Exit: (198) [system] peek_char((0x560c892e10d0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1221802, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_1222734, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x560c892e10d0), z)
   Exit: (198) [system] get_char((0x560c892e10d0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1230084)
   Call: (199) [system] peek_char((0x560c892e10d0), _1231018)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1235738, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1236670, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1244020)
   Call: (200) [system] peek_char((0x560c892e10d0), _1244954)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1244020=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1230084=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _1216148=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [z, e])
   Call: (197) [system] _1202212=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, z, e])
   Call: (196) [system] _1188276=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, i, z, e])
   Call: (195) [system] _1174340=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, s, i, z, e])
   Call: (194) [system] _1160404=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [h, e, s, i, z, e])
   Call: (193) [system] _1146468=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, h, e, s, i, z, e])
   Call: (192) [system] _1132532=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1118596=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1083086)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1279384)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1280336, _1280338), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1279384), _1280318, fail)), '$restore_trace'(_1280336, _1280338))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1280336, _1280338))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1280318, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _1083086=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x560c892e10d0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x560c892e10d0), synthesize)
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _1292464)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1294322)
   Exit: (190) [system] peek_char((0x560c892e10d0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x560c892e10d0), _1303916)
   Exit: (190) [system] get_char((0x560c892e10d0), ' ')
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1306620)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _1323554)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _1329124)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1330982)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _1346992)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1329124)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1352562)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1368572)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1374142)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1376000)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1392010)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _1374142)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1409652)
   Call: (194) [system] peek_char((0x560c892e10d0), _1410586)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1409652=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1374142)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1419870)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1420822, _1420824), once(user:catch(read_from_chars([:], _1419870), _1420804, fail)), '$restore_trace'(_1420822, _1420824))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1420822, _1420824))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1420804, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1374142=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1432950)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1434808)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _1444402)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1447106)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1464040)
   Exit: (192) [system] peek_char((0x560c892e10d0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1469610)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1471468)
   Exit: (194) [system] peek_char((0x560c892e10d0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1487478)
   Exit: (193) [system] get_char((0x560c892e10d0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _1469610)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1505120)
   Call: (195) [system] peek_char((0x560c892e10d0), _1506054)
   Exit: (195) [system] peek_char((0x560c892e10d0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1510774, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1511706, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x560c892e10d0), t)
   Exit: (195) [system] get_char((0x560c892e10d0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1519056)
   Call: (196) [system] peek_char((0x560c892e10d0), _1519990)
   Exit: (196) [system] peek_char((0x560c892e10d0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1524710, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1525642, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x560c892e10d0), e)
   Exit: (196) [system] get_char((0x560c892e10d0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1532992)
   Call: (197) [system] peek_char((0x560c892e10d0), _1533926)
   Exit: (197) [system] peek_char((0x560c892e10d0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1538646, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1539578, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x560c892e10d0), r)
   Exit: (197) [system] get_char((0x560c892e10d0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1546928)
   Call: (198) [system] peek_char((0x560c892e10d0), _1547862)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1552582, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_1553514, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1560864)
   Call: (199) [system] peek_char((0x560c892e10d0), _1561798)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1560864=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _1546928=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m])
   Call: (197) [system] _1532992=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, m])
   Call: (196) [system] _1519056=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [e, r, m])
   Call: (195) [system] _1505120=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _1469610)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _1582258)
   Call: (196) [system] atom_chars(_1583190, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _1469610=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), _term)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1592482)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1594340)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1603934)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1606638)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1623572)
   Exit: (193) [system] peek_char((0x560c892e10d0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1629142)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1631000)
   Exit: (195) [system] peek_char((0x560c892e10d0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1647010)
   Exit: (194) [system] get_char((0x560c892e10d0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _1629142)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1664652)
   Call: (196) [system] peek_char((0x560c892e10d0), _1665586)
   Exit: (196) [system] peek_char((0x560c892e10d0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1670306, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1671238, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x560c892e10d0), t)
   Exit: (196) [system] get_char((0x560c892e10d0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1678588)
   Call: (197) [system] peek_char((0x560c892e10d0), _1679522)
   Exit: (197) [system] peek_char((0x560c892e10d0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1684242, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1685174, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x560c892e10d0), y)
   Exit: (197) [system] get_char((0x560c892e10d0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1692524)
   Call: (198) [system] peek_char((0x560c892e10d0), _1693458)
   Exit: (198) [system] peek_char((0x560c892e10d0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1698178, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1699110, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x560c892e10d0), p)
   Exit: (198) [system] get_char((0x560c892e10d0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1706460)
   Call: (199) [system] peek_char((0x560c892e10d0), _1707394)
   Exit: (199) [system] peek_char((0x560c892e10d0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1712114, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1713046, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x560c892e10d0), e)
   Exit: (199) [system] get_char((0x560c892e10d0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1720396)
   Call: (200) [system] peek_char((0x560c892e10d0), _1721330)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1726050, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1720396=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (199) [system] _1706460=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (198) [system] _1692524=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, e])
   Call: (197) [system] _1678588=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [y, p, e])
   Call: (196) [system] _1664652=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _1629142)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _1743662)
   Call: (197) [system] atom_chars(_1744594, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _1629142=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), _type)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1753886)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1755744)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1771754)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1775544)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1753886=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _1592482=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [_type])
   Call: (192) [system] _1432950=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [_term, _type])
   Call: (191) [system] _1329124=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1789426)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1791284)
   Exit: (191) [system] peek_char((0x560c892e10d0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x560c892e10d0), _1800878)
   Exit: (191) [system] get_char((0x560c892e10d0), ' ')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1803582)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1820516)
   Exit: (190) [system] peek_char((0x560c892e10d0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1826086)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1827944)
   Exit: (192) [system] peek_char((0x560c892e10d0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1843954)
   Exit: (191) [system] get_char((0x560c892e10d0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x560c892e10d0), k, _1826086)
^  Call: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), _1861596)
   Call: (193) [system] peek_char((0x560c892e10d0), _1862530)
   Exit: (193) [system] peek_char((0x560c892e10d0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1867250, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1868182, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x560c892e10d0), b)
   Exit: (193) [system] get_char((0x560c892e10d0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1875532)
   Call: (194) [system] peek_char((0x560c892e10d0), _1876466)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1875532=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (193) [system] _1861596=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _1826086)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _1888544)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1889496, _1889498), once(user:catch(read_from_chars([k, b], _1888544), _1889478, fail)), '$restore_trace'(_1889496, _1889498))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1889496, _1889498))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1889478, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _1826086=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x560c892e10d0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), kb)
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _1901624)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1903482)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1913076)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1915780)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1932714)
   Exit: (191) [system] peek_char((0x560c892e10d0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _1938284)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1940142)
   Exit: (193) [system] peek_char((0x560c892e10d0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _1956152)
   Exit: (192) [system] get_char((0x560c892e10d0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), r, _1938284)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _1973794)
   Call: (194) [system] peek_char((0x560c892e10d0), _1974728)
   Exit: (194) [system] peek_char((0x560c892e10d0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1979448, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1980380, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x560c892e10d0), b)
   Exit: (194) [system] get_char((0x560c892e10d0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1987730)
   Call: (195) [system] peek_char((0x560c892e10d0), _1988664)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1987730=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (194) [system] _1973794=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _1938284)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _2000742)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_2001694, _2001696), once(user:catch(read_from_chars([r, b], _2000742), _2001676, fail)), '$restore_trace'(_2001694, _2001696))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_2001694, _2001696))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _2001676, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _1938284=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), rb)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _2013822)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2015680)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _2025274)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2027978)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2044912)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _2050482)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2052340)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _2068350)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _2050482)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2073920)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
   Call: (195) [system] 'S'=(/)
   Fail: (195) [system] 'S'=(/)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _2089930)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _2095500)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _4032)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
   Call: (196) [system] 'S'=(/)
   Fail: (196) [system] 'S'=(/)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _20042)
   Exit: (195) [system] get_char((0x560c892e10d0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'S', _3434)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _37684)
   Call: (197) [system] peek_char((0x560c892e10d0), _38618)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _37684=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['S'], _3434)
^  Call: (197) [user] classify_and_convert_charseq_(['S'], _47902)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_48854, _48856), once(user:catch(read_from_chars(['S'], _47902), _48836, fail)), '$restore_trace'(_48854, _48856))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_48854, _48856))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _47902), _48836, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_47902)
   Fail: (198) [system] atomic(_47902)
   Call: (198) [system] atom_chars(_47902, ['S'])
   Exit: (198) [system] atom_chars('S', ['S'])
^  Exit: (197) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (197) [system] integer('S')
   Fail: (197) [system] integer('S')
   Call: (197) [system] _3434='S'
   Exit: (197) [system] 'S'='S'
^  Exit: (196) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _62852)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _64710)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _74304)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _77008)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _93942)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _99512)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _101370)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _117380)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _99512)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _122950)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'S')
   Call: (198) [system] 'S'=(;)
   Fail: (198) [system] 'S'=(;)
   Call: (198) [system] 'S'=(/)
   Fail: (198) [system] 'S'=(/)
^  Call: (198) [user] is_like_space('S')
   Call: (199) [system] char_type('S', 'white')
   Fail: (199) [system] char_type('S', 'white')
   Call: (199) [system] char_type('S', end_of_line)
   Fail: (199) [system] char_type('S', end_of_line)
   Call: (199) [system] char_type('S', space)
   Fail: (199) [system] char_type('S', space)
   Call: (199) [system] char_type('S', cntrl)
   Fail: (199) [system] char_type('S', cntrl)
^  Fail: (198) [user] is_like_space('S')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _138960)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'S')
   Call: (197) [system] 'S'=')'
   Fail: (197) [system] 'S'=')'
   Call: (197) [system] 'S'=end_of_file
   Fail: (197) [system] 'S'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _144530)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _146388)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'S')
   Call: (199) [system] 'S'=(;)
   Fail: (199) [system] 'S'=(;)
   Call: (199) [system] 'S'=(/)
   Fail: (199) [system] 'S'=(/)
^  Call: (199) [user] is_like_space('S')
   Call: (200) [system] char_type('S', 'white')
   Fail: (200) [system] char_type('S', 'white')
   Call: (200) [system] char_type('S', end_of_line)
   Fail: (200) [system] char_type('S', end_of_line)
   Call: (200) [system] char_type('S', space)
   Fail: (200) [system] char_type('S', space)
   Call: (200) [system] char_type('S', cntrl)
   Fail: (200) [system] char_type('S', cntrl)
^  Fail: (199) [user] is_like_space('S')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _162398)
   Exit: (198) [system] get_char((0x560c892e10d0), 'S')
   Call: (198) [system] 'S'='('
   Fail: (198) [system] 'S'='('
   Call: (198) [system] 'S'='['
   Fail: (198) [system] 'S'='['
   Call: (198) [system] 'S'='{'
   Fail: (198) [system] 'S'='{'
   Call: (198) [system] 'S'='"'
   Fail: (198) [system] 'S'='"'
   Call: (198) [system] 'S'=!
   Fail: (198) [system] 'S'=!
   Call: (198) [system] 'S'='\''
   Fail: (198) [system] 'S'='\''
   Call: (198) [system] 'S'='`'
   Fail: (198) [system] 'S'='`'
   Call: (198) [system] 'S'=end_of_file
   Fail: (198) [system] 'S'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'S', _144530)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _180040)
   Call: (200) [system] peek_char((0x560c892e10d0), _180974)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _180040=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq(['S'], _144530)
^  Call: (200) [user] classify_and_convert_charseq_(['S'], _190258)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_191210, _191212), once(user:catch(read_from_chars(['S'], _190258), _191192, fail)), '$restore_trace'(_191210, _191212))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_191210, _191212))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _190258), _191192, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_190258)
   Fail: (201) [system] atomic(_190258)
   Call: (201) [system] atom_chars(_190258, ['S'])
   Exit: (201) [system] atom_chars('S', ['S'])
^  Exit: (200) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (200) [system] integer('S')
   Fail: (200) [system] integer('S')
   Call: (200) [system] _144530='S'
   Exit: (200) [system] 'S'='S'
^  Exit: (199) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'S', 'S')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'S')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _205208)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _207066)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _216660)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _219364)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
   Call: (200) [system] 'Z'=(/)
   Fail: (200) [system] 'Z'=(/)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _236298)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (198) [system] 'Z'=')'
   Fail: (198) [system] 'Z'=')'
   Call: (198) [system] 'Z'=end_of_file
   Fail: (198) [system] 'Z'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _241868)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _243726)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
   Call: (200) [system] 'Z'=(/)
   Fail: (200) [system] 'Z'=(/)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _259736)
   Exit: (199) [system] get_char((0x560c892e10d0), 'Z')
   Call: (199) [system] 'Z'='('
   Fail: (199) [system] 'Z'='('
   Call: (199) [system] 'Z'='['
   Fail: (199) [system] 'Z'='['
   Call: (199) [system] 'Z'='{'
   Fail: (199) [system] 'Z'='{'
   Call: (199) [system] 'Z'='"'
   Fail: (199) [system] 'Z'='"'
   Call: (199) [system] 'Z'=!
   Fail: (199) [system] 'Z'=!
   Call: (199) [system] 'Z'='\''
   Fail: (199) [system] 'Z'='\''
   Call: (199) [system] 'Z'='`'
   Fail: (199) [system] 'Z'='`'
   Call: (199) [system] 'Z'=end_of_file
   Fail: (199) [system] 'Z'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'Z', _241868)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _277378)
   Call: (201) [system] peek_char((0x560c892e10d0), _278312)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_283032, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _277378=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq(['Z'], _241868)
^  Call: (201) [user] classify_and_convert_charseq_(['Z'], _289468)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_290420, _290422), once(user:catch(read_from_chars(['Z'], _289468), _290402, fail)), '$restore_trace'(_290420, _290422))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_290420, _290422))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _289468), _290402, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_289468)
   Fail: (202) [system] atomic(_289468)
   Call: (202) [system] atom_chars(_289468, ['Z'])
   Exit: (202) [system] atom_chars('Z', ['Z'])
^  Exit: (201) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (201) [system] integer('Z')
   Fail: (201) [system] integer('Z')
   Call: (201) [system] _241868='Z'
   Exit: (201) [system] 'Z'='Z'
^  Exit: (200) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'Z', 'Z')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'Z')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _304418)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _306276)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _322286)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _326076)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _304418=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _205208=['Z']
   Exit: (198) [system] ['Z']=['Z']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['Z'])
   Call: (197) [system] _99512=['S', 'Z']
   Exit: (197) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['S', 'Z'])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), ['S', 'Z'])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _337164)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _339022)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _355032)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _358822)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _337164=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _62852=[['S', 'Z']]
   Exit: (195) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [['S', 'Z']])
   Call: (194) [system] _3428=['S', ['S', 'Z']]
   Exit: (194) [system] ['S', ['S', 'Z']]=['S', ['S', 'Z']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['S', ['S', 'Z']])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), ['S', ['S', 'Z']])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _369910)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _371768)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _387778)
   Exit: (193) [system] peek_char((0x560c892e10d0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x560c892e10d0), _391568)
   Exit: (193) [system] get_char((0x560c892e10d0), ')')
   Call: (193) [system] _369910=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [])
   Call: (192) [system] _3424=[['S', ['S', 'Z']]]
   Exit: (192) [system] [['S', ['S', 'Z']]]=[['S', ['S', 'Z']]]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [['S', ['S', 'Z']]])
   Call: (191) [system] _3418=[rb, ['S', ['S', 'Z']]]
   Exit: (191) [system] [rb, ['S', ['S', 'Z']]]=[rb, ['S', ['S', 'Z']]]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [rb, ['S', ['S', 'Z']]])
   Call: (190) [system] _3412=[kb, rb, ['S', ['S', 'Z']]]
   Exit: (190) [system] [kb, rb, ['S', ['S', 'Z']]]=[kb, rb, ['S', ['S', 'Z']]]
^  Exit: (189) [user] read_list(')', (0x560c892e10d0), [kb, rb, ['S', ['S', 'Z']]])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (188) [user] read_list(')', (0x560c892e10d0), [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (187) [user] read_list(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Exit: (186) [user] cont_sexpr(')', (0x560c892e10d0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Call: (186) [user] read_list(')', (0x560c892e10d0), _411038)
^  Call: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] peek_char((0x560c892e10d0), _412896)
   Exit: (188) [system] peek_char((0x560c892e10d0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x560c892e10d0), _424346)
   Exit: (188) [system] get_char((0x560c892e10d0), '\n')
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _427050)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
^  Exit: (187) [user] skip_spaces((0x560c892e10d0))
   Call: (187) [system] peek_char((0x560c892e10d0), _443984)
   Exit: (187) [system] peek_char((0x560c892e10d0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x560c892e10d0), _449554)
^  Call: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _451412)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x560c892e10d0))
   Call: (188) [system] get_char((0x560c892e10d0), _467422)
   Exit: (188) [system] get_char((0x560c892e10d0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x560c892e10d0), _449554)
^  Call: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _472992)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x560c892e10d0))
   Call: (189) [system] peek_char((0x560c892e10d0), _489002)
   Exit: (189) [system] peek_char((0x560c892e10d0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x560c892e10d0), _494572)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _496430)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] get_char((0x560c892e10d0), _512440)
   Exit: (190) [system] get_char((0x560c892e10d0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _494572)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _518010)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _534020)
   Exit: (191) [system] peek_char((0x560c892e10d0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _539590)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _541448)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _557458)
   Exit: (192) [system] get_char((0x560c892e10d0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x560c892e10d0), :, _539590)
^  Call: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), _575100)
   Call: (194) [system] peek_char((0x560c892e10d0), _576034)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _575100=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _539590)
^  Call: (194) [user] classify_and_convert_charseq_([:], _585318)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_586270, _586272), once(user:catch(read_from_chars([:], _585318), _586252, fail)), '$restore_trace'(_586270, _586272))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_586270, _586272))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _586252, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _539590=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _598398)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _600256)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _609850)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _612554)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _629488)
   Exit: (192) [system] peek_char((0x560c892e10d0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _635058)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _636916)
   Exit: (194) [system] peek_char((0x560c892e10d0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _652926)
   Exit: (193) [system] get_char((0x560c892e10d0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), a, _635058)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _670568)
   Call: (195) [system] peek_char((0x560c892e10d0), _671502)
   Exit: (195) [system] peek_char((0x560c892e10d0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_676222, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_677154, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x560c892e10d0), b)
   Exit: (195) [system] get_char((0x560c892e10d0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _684504)
   Call: (196) [system] peek_char((0x560c892e10d0), _685438)
   Exit: (196) [system] peek_char((0x560c892e10d0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_690158, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_691090, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x560c892e10d0), c)
   Exit: (196) [system] get_char((0x560c892e10d0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _698440)
   Call: (197) [system] peek_char((0x560c892e10d0), _699374)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _698440=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (196) [system] _684504=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (195) [system] _670568=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _635058)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _714246)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_715198, _715200), once(user:catch(read_from_chars([a, b, c], _714246), _715180, fail)), '$restore_trace'(_715198, _715200))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_715198, _715200))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _715180, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _635058=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _727326)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _729184)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _738778)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _741482)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _758416)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _763986)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _765844)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _781854)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _763986)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _787424)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _803434)
   Exit: (195) [system] peek_char((0x560c892e10d0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _809004)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _810862)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _826872)
   Exit: (196) [system] get_char((0x560c892e10d0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', _809004)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _844514)
   Call: (198) [system] peek_char((0x560c892e10d0), _845448)
   Exit: (198) [system] peek_char((0x560c892e10d0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_850168, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_851100, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x560c892e10d0), m)
   Exit: (198) [system] get_char((0x560c892e10d0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _858450)
   Call: (199) [system] peek_char((0x560c892e10d0), _859384)
   Exit: (199) [system] peek_char((0x560c892e10d0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_864104, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_865036, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x560c892e10d0), p)
   Exit: (199) [system] get_char((0x560c892e10d0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _872386)
   Call: (200) [system] peek_char((0x560c892e10d0), _873320)
   Exit: (200) [system] peek_char((0x560c892e10d0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_878040, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_878972, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x560c892e10d0), l)
   Exit: (200) [system] get_char((0x560c892e10d0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _886322)
   Call: (201) [system] peek_char((0x560c892e10d0), _887256)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_891976, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_892908, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _900258)
   Call: (202) [system] peek_char((0x560c892e10d0), _901192)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_905912, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_906844, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x560c892e10d0), c)
   Exit: (202) [system] get_char((0x560c892e10d0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _914194)
   Call: (203) [system] peek_char((0x560c892e10d0), _915128)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_919848, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_920780, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x560c892e10d0), a)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _928130)
   Call: (204) [system] peek_char((0x560c892e10d0), _929064)
   Exit: (204) [system] peek_char((0x560c892e10d0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_933784, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_934716, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x560c892e10d0), t)
   Exit: (204) [system] get_char((0x560c892e10d0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _942066)
   Call: (205) [system] peek_char((0x560c892e10d0), _943000)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_947720, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_948652, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _956002)
   Call: (206) [system] peek_char((0x560c892e10d0), _956936)
   Exit: (206) [system] peek_char((0x560c892e10d0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_961656, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_962588, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x560c892e10d0), o)
   Exit: (206) [system] get_char((0x560c892e10d0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _969938)
   Call: (207) [system] peek_char((0x560c892e10d0), _970872)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_975592, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_976524, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _983874)
   Call: (208) [system] peek_char((0x560c892e10d0), _984808)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _983874=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _969938=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (206) [system] _956002=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (205) [system] _942066=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (204) [system] _928130=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (203) [system] _914194=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (202) [system] _900258=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (201) [system] _886322=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (200) [system] _872386=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _858450=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _844514=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _809004)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1022032)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1022984, _1022986), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1022032), _1022966, fail)), '$restore_trace'(_1022984, _1022986))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1022984, _1022986))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1022032), _1022966, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1022032)
   Fail: (199) [system] atomic(_1022032)
   Call: (199) [system] atom_chars(_1022032, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _809004='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1036982)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1038840)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1048434)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1051138)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1068072)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1073642)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1075500)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1091510)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1073642)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1097080)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1113090)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1118660)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1120518)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1136528)
   Exit: (199) [system] get_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1118660)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1154170)
   Call: (201) [system] peek_char((0x560c892e10d0), _1155104)
   Exit: (201) [system] peek_char((0x560c892e10d0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1159824, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1160756, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x560c892e10d0), n)
   Exit: (201) [system] get_char((0x560c892e10d0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1168106)
   Call: (202) [system] peek_char((0x560c892e10d0), _1169040)
   Exit: (202) [system] peek_char((0x560c892e10d0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_1173760, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_1174692, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x560c892e10d0), d)
   Exit: (202) [system] get_char((0x560c892e10d0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1182042)
   Call: (203) [system] peek_char((0x560c892e10d0), _1182976)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1187696, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_1188628, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x560c892e10d0), 'L')
   Exit: (203) [system] get_char((0x560c892e10d0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195978)
   Call: (204) [system] peek_char((0x560c892e10d0), _1196912)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1201632, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1202564, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209914)
   Call: (205) [system] peek_char((0x560c892e10d0), _1210848)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1215568, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1216500, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223850)
   Call: (206) [system] peek_char((0x560c892e10d0), _1224784)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1229504, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1230436, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1237786)
   Call: (207) [system] peek_char((0x560c892e10d0), _1238720)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1237786=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1223850=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (205) [system] _1209914=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (204) [system] _1195978=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (203) [system] _1182042=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (202) [system] _1168106=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (201) [system] _1154170=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1118660)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1264768)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1265720, _1265722), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1264768), _1265702, fail)), '$restore_trace'(_1265720, _1265722))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1265720, _1265722))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1264768), _1265702, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1264768)
   Fail: (202) [system] atomic(_1264768)
   Call: (202) [system] atom_chars(_1264768, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _1118660='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1279718)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1281576)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1291170)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1293874)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1310808)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1316378)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1318236)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1334246)
   Exit: (200) [system] get_char((0x560c892e10d0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1316378)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1351888)
   Call: (202) [system] peek_char((0x560c892e10d0), _1352822)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1351888=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _1316378)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _1362106)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1363058, _1363060), once(user:catch(read_from_chars(['A'], _1362106), _1363040, fail)), '$restore_trace'(_1363058, _1363060))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1363058, _1363060))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1362106), _1363040, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1362106)
   Fail: (203) [system] atomic(_1362106)
   Call: (203) [system] atom_chars(_1362106, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _1316378='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1377056)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1378914)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1388508)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1391212)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1408146)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1413716)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1415574)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1431584)
   Exit: (201) [system] get_char((0x560c892e10d0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1413716)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1449226)
   Call: (203) [system] peek_char((0x560c892e10d0), _1450160)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1454880, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1449226=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _1413716)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _1461316)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1462268, _1462270), once(user:catch(read_from_chars(['B'], _1461316), _1462250, fail)), '$restore_trace'(_1462268, _1462270))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1462268, _1462270))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1461316), _1462250, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1461316)
   Fail: (204) [system] atomic(_1461316)
   Call: (204) [system] atom_chars(_1461316, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _1413716='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1476266)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1478124)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1494134)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1497924)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1476266=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _1377056=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (199) [system] _1279718=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (198) [system] _1073642=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1511806)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1513664)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1523258)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1525962)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1542896)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1548466)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1550324)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1566334)
   Exit: (198) [system] get_char((0x560c892e10d0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1548466)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _1583976)
   Call: (200) [system] peek_char((0x560c892e10d0), _1584910)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1589630, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1583976=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _1548466)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _1596066)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1597018, _1597020), once(user:catch(read_from_chars(['C'], _1596066), _1597000, fail)), '$restore_trace'(_1597018, _1597020))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1597018, _1597020))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1596066), _1597000, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1596066)
   Fail: (201) [system] atomic(_1596066)
   Call: (201) [system] atom_chars(_1596066, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _1548466='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1611016)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1612874)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1628884)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _1632674)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _1611016=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _1511806=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (196) [system] _1036982=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _763986=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1646556)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1648414)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1664424)
   Exit: (194) [system] peek_char((0x560c892e10d0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x560c892e10d0), _1668214)
   Exit: (194) [system] get_char((0x560c892e10d0), ')')
   Call: (194) [system] _1646556=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [])
   Call: (193) [system] _727326=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _598398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _494572=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x560c892e10d0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x560c892e10d0), _1682096)
^  Call: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _1683954)
   Exit: (191) [system] peek_char((0x560c892e10d0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x560c892e10d0), _1695404)
   Exit: (191) [system] get_char((0x560c892e10d0), '\n')
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1698108)
   Exit: (192) [system] peek_char((0x560c892e10d0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x560c892e10d0), _1707702)
   Exit: (192) [system] get_char((0x560c892e10d0), ' ')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1710406)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
^  Exit: (190) [user] skip_spaces((0x560c892e10d0))
   Call: (190) [system] peek_char((0x560c892e10d0), _1728264)
   Exit: (190) [system] peek_char((0x560c892e10d0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x560c892e10d0), _1733834)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1735692)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] get_char((0x560c892e10d0), _1751702)
   Exit: (191) [system] get_char((0x560c892e10d0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1733834)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1757272)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1773282)
   Exit: (192) [system] peek_char((0x560c892e10d0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1778852)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1780710)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1796720)
   Exit: (193) [system] get_char((0x560c892e10d0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x560c892e10d0), :, _1778852)
^  Call: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), _1814362)
   Call: (195) [system] peek_char((0x560c892e10d0), _1815296)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1814362=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _1778852)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1824580)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1825532, _1825534), once(user:catch(read_from_chars([:], _1824580), _1825514, fail)), '$restore_trace'(_1825532, _1825534))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1825532, _1825534))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1825514, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _1778852=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1837660)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1839518)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1849112)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1851816)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1868750)
   Exit: (193) [system] peek_char((0x560c892e10d0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1874320)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1876178)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1892188)
   Exit: (194) [system] get_char((0x560c892e10d0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), a, _1874320)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _1909830)
   Call: (196) [system] peek_char((0x560c892e10d0), _1910764)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1909830=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1874320)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1920048)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1921000, _1921002), once(user:catch(read_from_chars([a], _1920048), _1920982, fail)), '$restore_trace'(_1921000, _1921002))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1921000, _1921002))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1920982, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1874320=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1933128)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1934986)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1944580)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1947284)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1964218)
   Exit: (194) [system] peek_char((0x560c892e10d0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1969788)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1971646)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1987656)
   Exit: (195) [system] get_char((0x560c892e10d0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1969788)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _2005298)
   Call: (197) [system] peek_char((0x560c892e10d0), _2006232)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_2010952, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _2005298=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq(['B'], _1969788)
^  Call: (197) [user] classify_and_convert_charseq_(['B'], _2017388)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_2018340, _2018342), once(user:catch(read_from_chars(['B'], _2017388), _2018322, fail)), '$restore_trace'(_2018340, _2018342))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_2018340, _2018342))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2017388), _2018322, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_2017388)
   Fail: (198) [system] atomic(_2017388)
   Call: (198) [system] atom_chars(_2017388, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (197) [system] integer('B')
   Fail: (197) [system] integer('B')
   Call: (197) [system] _1969788='B'
   Exit: (197) [system] 'B'='B'
^  Exit: (196) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _2032338)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _2034196)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _2050206)
   Exit: (195) [system] peek_char((0x560c892e10d0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x560c892e10d0), _2053996)
   Exit: (195) [system] get_char((0x560c892e10d0), ')')
   Call: (195) [system] _2032338=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [])
   Call: (194) [system] _1933128=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (193) [system] _1837660=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [a, 'B'])
   Call: (192) [system] _1733834=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x560c892e10d0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x560c892e10d0), _2067878)
^  Call: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _2069736)
   Exit: (192) [system] peek_char((0x560c892e10d0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x560c892e10d0), _2081186)
   Exit: (192) [system] get_char((0x560c892e10d0), '\n')
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _2083890)
   Exit: (193) [system] peek_char((0x560c892e10d0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x560c892e10d0), _2093484)
   Exit: (193) [system] get_char((0x560c892e10d0), ' ')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _3552)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
^  Exit: (191) [user] skip_spaces((0x560c892e10d0))
   Call: (191) [system] peek_char((0x560c892e10d0), _20832)
   Exit: (191) [system] peek_char((0x560c892e10d0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x560c892e10d0), _26402)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _28260)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] get_char((0x560c892e10d0), _44270)
   Exit: (192) [system] get_char((0x560c892e10d0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _26402)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _49840)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _65850)
   Exit: (193) [system] peek_char((0x560c892e10d0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _71420)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _73278)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _89288)
   Exit: (194) [system] get_char((0x560c892e10d0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x560c892e10d0), :, _71420)
^  Call: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), _106930)
   Call: (196) [system] peek_char((0x560c892e10d0), _107864)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _106930=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _71420)
^  Call: (196) [user] classify_and_convert_charseq_([:], _117148)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_118100, _118102), once(user:catch(read_from_chars([:], _117148), _118082, fail)), '$restore_trace'(_118100, _118102))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_118100, _118102))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _118082, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _71420=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _130228)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _132086)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _141680)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _144384)
   Exit: (196) [system] peek_char((0x560c892e10d0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _161318)
   Exit: (194) [system] peek_char((0x560c892e10d0), c)
   Call: (194) [system] c=')'
   Fail: (194) [system] c=')'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _166888)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _168746)
   Exit: (196) [system] peek_char((0x560c892e10d0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _184756)
   Exit: (195) [system] get_char((0x560c892e10d0), c)
   Call: (195) [system] c='('
   Fail: (195) [system] c='('
   Call: (195) [system] c='['
   Fail: (195) [system] c='['
   Call: (195) [system] c='{'
   Fail: (195) [system] c='{'
   Call: (195) [system] c='"'
   Fail: (195) [system] c='"'
   Call: (195) [system] c=!
   Fail: (195) [system] c=!
   Call: (195) [system] c='\''
   Fail: (195) [system] c='\''
   Call: (195) [system] c='`'
   Fail: (195) [system] c='`'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), c, _166888)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _202398)
   Call: (197) [system] peek_char((0x560c892e10d0), _203332)
   Exit: (197) [system] peek_char((0x560c892e10d0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_208052, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_208984, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x560c892e10d0), d)
   Exit: (197) [system] get_char((0x560c892e10d0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _216334)
   Call: (198) [system] peek_char((0x560c892e10d0), _217268)
   Exit: (198) [system] peek_char((0x560c892e10d0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_221988, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_222920, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x560c892e10d0), e)
   Exit: (198) [system] get_char((0x560c892e10d0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _230270)
   Call: (199) [system] peek_char((0x560c892e10d0), _231204)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _230270=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (198) [system] _216334=[e]
   Exit: (198) [system] [e]=[e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (197) [system] _202398=[d, e]
   Exit: (197) [system] [d, e]=[d, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (196) [user] classify_and_convert_charseq([c, d, e], _166888)
^  Call: (197) [user] classify_and_convert_charseq_([c, d, e], _246076)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_247028, _247030), once(user:catch(read_from_chars([c, d, e], _246076), _247010, fail)), '$restore_trace'(_247028, _247030))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_247028, _247030))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _247010, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (197) [system] integer(cde)
   Fail: (197) [system] integer(cde)
   Call: (197) [system] _166888=cde
   Exit: (197) [system] cde=cde
^  Exit: (196) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _259156)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _261014)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _270608)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _273312)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _290246)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _295816)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _297674)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _313684)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _295816)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _319254)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _335264)
   Exit: (197) [system] peek_char((0x560c892e10d0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _340834)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _342692)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _358702)
   Exit: (198) [system] get_char((0x560c892e10d0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), 'I', _340834)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _376344)
   Call: (200) [system] peek_char((0x560c892e10d0), _377278)
   Exit: (200) [system] peek_char((0x560c892e10d0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_381998, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_382930, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x560c892e10d0), m)
   Exit: (200) [system] get_char((0x560c892e10d0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _390280)
   Call: (201) [system] peek_char((0x560c892e10d0), _391214)
   Exit: (201) [system] peek_char((0x560c892e10d0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_395934, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_396866, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x560c892e10d0), p)
   Exit: (201) [system] get_char((0x560c892e10d0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _404216)
   Call: (202) [system] peek_char((0x560c892e10d0), _405150)
   Exit: (202) [system] peek_char((0x560c892e10d0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_409870, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_410802, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x560c892e10d0), l)
   Exit: (202) [system] get_char((0x560c892e10d0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _418152)
   Call: (203) [system] peek_char((0x560c892e10d0), _419086)
   Exit: (203) [system] peek_char((0x560c892e10d0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_423806, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_424738, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x560c892e10d0), i)
   Exit: (203) [system] get_char((0x560c892e10d0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _432088)
   Call: (204) [system] peek_char((0x560c892e10d0), _433022)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_437742, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_438674, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _446024)
   Call: (205) [system] peek_char((0x560c892e10d0), _446958)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_451678, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_452610, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x560c892e10d0), a)
   Exit: (205) [system] get_char((0x560c892e10d0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _459960)
   Call: (206) [system] peek_char((0x560c892e10d0), _460894)
   Exit: (206) [system] peek_char((0x560c892e10d0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_465614, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_466546, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x560c892e10d0), t)
   Exit: (206) [system] get_char((0x560c892e10d0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _473896)
   Call: (207) [system] peek_char((0x560c892e10d0), _474830)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_479550, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_480482, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _487832)
   Call: (208) [system] peek_char((0x560c892e10d0), _488766)
   Exit: (208) [system] peek_char((0x560c892e10d0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_493486, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_494418, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x560c892e10d0), o)
   Exit: (208) [system] get_char((0x560c892e10d0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _501768)
   Call: (209) [system] peek_char((0x560c892e10d0), _502702)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_507422, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_508354, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _515704)
   Call: (210) [system] peek_char((0x560c892e10d0), _516638)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _515704=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _501768=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (208) [system] _487832=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (207) [system] _473896=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (206) [system] _459960=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (205) [system] _446024=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (204) [system] _432088=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (203) [system] _418152=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (202) [system] _404216=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _390280=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _376344=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _340834)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _553862)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_554814, _554816), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553862), _554796, fail)), '$restore_trace'(_554814, _554816))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_554814, _554816))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553862), _554796, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_553862)
   Fail: (201) [system] atomic(_553862)
   Call: (201) [system] atom_chars(_553862, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _340834='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _568812)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _570670)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _580264)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _582968)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _599902)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _605472)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _607330)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _623340)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _605472)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _628910)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _644920)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _650490)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _652348)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _668358)
   Exit: (201) [system] get_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'O', _650490)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _686000)
   Call: (203) [system] peek_char((0x560c892e10d0), _686934)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_691654, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_692586, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _699936)
   Call: (204) [system] peek_char((0x560c892e10d0), _700870)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_705590, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_706522, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x560c892e10d0), 'L')
   Exit: (204) [system] get_char((0x560c892e10d0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _713872)
   Call: (205) [system] peek_char((0x560c892e10d0), _714806)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_719526, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_720458, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _727808)
   Call: (206) [system] peek_char((0x560c892e10d0), _728742)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_733462, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_734394, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _741744)
   Call: (207) [system] peek_char((0x560c892e10d0), _742678)
   Exit: (207) [system] peek_char((0x560c892e10d0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_747398, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_748330, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x560c892e10d0), k)
   Exit: (207) [system] get_char((0x560c892e10d0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _755680)
   Call: (208) [system] peek_char((0x560c892e10d0), _756614)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _755680=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _741744=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (206) [system] _727808=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (205) [system] _713872=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (204) [system] _699936=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (203) [system] _686000=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _650490)
^  Call: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _779868)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_780820, _780822), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779868), _780802, fail)), '$restore_trace'(_780820, _780822))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_780820, _780822))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779868), _780802, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_779868)
   Fail: (204) [system] atomic(_779868)
   Call: (204) [system] atom_chars(_779868, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (203) [system] integer('OrLink')
   Fail: (203) [system] integer('OrLink')
   Call: (203) [system] _650490='OrLink'
   Exit: (203) [system] 'OrLink'='OrLink'
^  Exit: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _794818)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _796676)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _806270)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _808974)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _825908)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _831478)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _833336)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _849346)
   Exit: (202) [system] get_char((0x560c892e10d0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'C', _831478)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _866988)
   Call: (204) [system] peek_char((0x560c892e10d0), _867922)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _866988=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq(['C'], _831478)
^  Call: (204) [user] classify_and_convert_charseq_(['C'], _877206)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_878158, _878160), once(user:catch(read_from_chars(['C'], _877206), _878140, fail)), '$restore_trace'(_878158, _878160))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_878158, _878160))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _877206), _878140, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_877206)
   Fail: (205) [system] atomic(_877206)
   Call: (205) [system] atom_chars(_877206, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (204) [system] integer('C')
   Fail: (204) [system] integer('C')
   Call: (204) [system] _831478='C'
   Exit: (204) [system] 'C'='C'
^  Exit: (203) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _892156)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _894014)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _903608)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _906312)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _923246)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _928816)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _930674)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _946684)
   Exit: (203) [system] get_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'D', _928816)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _964326)
   Call: (205) [system] peek_char((0x560c892e10d0), _965260)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_969980, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _964326=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq(['D'], _928816)
^  Call: (205) [user] classify_and_convert_charseq_(['D'], _976416)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_977368, _977370), once(user:catch(read_from_chars(['D'], _976416), _977350, fail)), '$restore_trace'(_977368, _977370))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_977368, _977370))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _976416), _977350, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_976416)
   Fail: (206) [system] atomic(_976416)
   Call: (206) [system] atom_chars(_976416, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (205) [system] integer('D')
   Fail: (205) [system] integer('D')
   Call: (205) [system] _928816='D'
   Exit: (205) [system] 'D'='D'
^  Exit: (204) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _991366)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _993224)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1009234)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1013024)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _991366=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _892156=['D']
   Exit: (202) [system] ['D']=['D']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (201) [system] _794818=['C', 'D']
   Exit: (201) [system] ['C', 'D']=['C', 'D']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (200) [system] _605472=['OrLink', 'C', 'D']
   Exit: (200) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1026906)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1028764)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1038358)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1041062)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1057996)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'E')
   Call: (199) [system] 'E'=')'
   Fail: (199) [system] 'E'=')'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1063566)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1065424)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1081434)
   Exit: (200) [system] get_char((0x560c892e10d0), 'E')
   Call: (200) [system] 'E'='('
   Fail: (200) [system] 'E'='('
   Call: (200) [system] 'E'='['
   Fail: (200) [system] 'E'='['
   Call: (200) [system] 'E'='{'
   Fail: (200) [system] 'E'='{'
   Call: (200) [system] 'E'='"'
   Fail: (200) [system] 'E'='"'
   Call: (200) [system] 'E'=!
   Fail: (200) [system] 'E'=!
   Call: (200) [system] 'E'='\''
   Fail: (200) [system] 'E'='\''
   Call: (200) [system] 'E'='`'
   Fail: (200) [system] 'E'='`'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1063566)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1099076)
   Call: (202) [system] peek_char((0x560c892e10d0), _1100010)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_1104730, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _1099076=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq(['E'], _1063566)
^  Call: (202) [user] classify_and_convert_charseq_(['E'], _1111166)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1112118, _1112120), once(user:catch(read_from_chars(['E'], _1111166), _1112100, fail)), '$restore_trace'(_1112118, _1112120))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1112118, _1112120))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1111166), _1112100, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1111166)
   Fail: (203) [system] atomic(_1111166)
   Call: (203) [system] atom_chars(_1111166, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (202) [system] integer('E')
   Fail: (202) [system] integer('E')
   Call: (202) [system] _1063566='E'
   Exit: (202) [system] 'E'='E'
^  Exit: (201) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1126116)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1127974)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1143984)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _1147774)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _1126116=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _1026906=['E']
   Exit: (199) [system] ['E']=['E']
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (198) [system] _568812=[['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (197) [system] _295816=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1161656)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1163514)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1179524)
   Exit: (196) [system] peek_char((0x560c892e10d0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x560c892e10d0), _1183314)
   Exit: (196) [system] get_char((0x560c892e10d0), ')')
   Call: (196) [system] _1161656=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [])
   Call: (195) [system] _259156=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _130228=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _26402=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (191) [user] cont_sexpr(')', (0x560c892e10d0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (191) [user] read_list(')', (0x560c892e10d0), _1197196)
^  Call: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1199054)
   Exit: (193) [system] peek_char((0x560c892e10d0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x560c892e10d0), _1210504)
   Exit: (193) [system] get_char((0x560c892e10d0), '\n')
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1213208)
   Exit: (194) [system] peek_char((0x560c892e10d0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x560c892e10d0), _1222802)
   Exit: (194) [system] get_char((0x560c892e10d0), ' ')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1225506)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
^  Exit: (192) [user] skip_spaces((0x560c892e10d0))
   Call: (192) [system] peek_char((0x560c892e10d0), _1243364)
   Exit: (192) [system] peek_char((0x560c892e10d0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x560c892e10d0), _1248934)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1250792)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] get_char((0x560c892e10d0), _1266802)
   Exit: (193) [system] get_char((0x560c892e10d0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _1248934)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1272372)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1288382)
   Exit: (194) [system] peek_char((0x560c892e10d0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _1293952)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1295810)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _1311820)
   Exit: (195) [system] get_char((0x560c892e10d0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x560c892e10d0), :, _1293952)
^  Call: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), _1329462)
   Call: (197) [system] peek_char((0x560c892e10d0), _1330396)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1329462=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1293952)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1339680)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1340632, _1340634), once(user:catch(read_from_chars([:], _1339680), _1340614, fail)), '$restore_trace'(_1340632, _1340634))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1340632, _1340634))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1340614, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1293952=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1352760)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1354618)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _1364212)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1366916)
   Exit: (197) [system] peek_char((0x560c892e10d0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1383850)
   Exit: (195) [system] peek_char((0x560c892e10d0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1389420)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1391278)
   Exit: (197) [system] peek_char((0x560c892e10d0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1407288)
   Exit: (196) [system] get_char((0x560c892e10d0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), a, _1389420)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1424930)
   Call: (198) [system] peek_char((0x560c892e10d0), _1425864)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1424930=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([a], _1389420)
^  Call: (198) [user] classify_and_convert_charseq_([a], _1435148)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1436100, _1436102), once(user:catch(read_from_chars([a], _1435148), _1436082, fail)), '$restore_trace'(_1436100, _1436102))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1436100, _1436102))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1436082, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(a)
   Exit: (199) [system] atomic(a)
^  Exit: (198) [user] classify_and_convert_charseq_([a], a)
   Call: (198) [system] integer(a)
   Fail: (198) [system] integer(a)
   Call: (198) [system] _1389420=a
   Exit: (198) [system] a=a
^  Exit: (197) [user] classify_and_convert_charseq([a], a)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1448228)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1450086)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1459680)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1462384)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1479318)
   Exit: (196) [system] peek_char((0x560c892e10d0), 'A')
   Call: (196) [system] 'A'=')'
   Fail: (196) [system] 'A'=')'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1484888)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1486746)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1502756)
   Exit: (197) [system] get_char((0x560c892e10d0), 'A')
   Call: (197) [system] 'A'='('
   Fail: (197) [system] 'A'='('
   Call: (197) [system] 'A'='['
   Fail: (197) [system] 'A'='['
   Call: (197) [system] 'A'='{'
   Fail: (197) [system] 'A'='{'
   Call: (197) [system] 'A'='"'
   Fail: (197) [system] 'A'='"'
   Call: (197) [system] 'A'=!
   Fail: (197) [system] 'A'=!
   Call: (197) [system] 'A'='\''
   Fail: (197) [system] 'A'='\''
   Call: (197) [system] 'A'='`'
   Fail: (197) [system] 'A'='`'
   Call: (197) [system] 'A'=end_of_file
   Fail: (197) [system] 'A'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1484888)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _1520398)
   Call: (199) [system] peek_char((0x560c892e10d0), _1521332)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1526052, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1520398=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq(['A'], _1484888)
^  Call: (199) [user] classify_and_convert_charseq_(['A'], _1532488)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1533440, _1533442), once(user:catch(read_from_chars(['A'], _1532488), _1533422, fail)), '$restore_trace'(_1533440, _1533442))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1533440, _1533442))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1532488), _1533422, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1532488)
   Fail: (200) [system] atomic(_1532488)
   Call: (200) [system] atom_chars(_1532488, ['A'])
   Exit: (200) [system] atom_chars('A', ['A'])
^  Exit: (199) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (199) [system] integer('A')
   Fail: (199) [system] integer('A')
   Call: (199) [system] _1484888='A'
   Exit: (199) [system] 'A'='A'
^  Exit: (198) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1547438)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1549296)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1565306)
   Exit: (197) [system] peek_char((0x560c892e10d0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x560c892e10d0), _1569096)
   Exit: (197) [system] get_char((0x560c892e10d0), ')')
   Call: (197) [system] _1547438=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [])
   Call: (196) [system] _1448228=['A']
   Exit: (196) [system] ['A']=['A']
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (195) [system] _1352760=[a, 'A']
   Exit: (195) [system] [a, 'A']=[a, 'A']
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [a, 'A'])
   Call: (194) [system] _1248934=[:, a, 'A']
   Exit: (194) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (193) [user] read_list(')', (0x560c892e10d0), [:, a, 'A'])
^  Exit: (192) [user] cont_sexpr(')', (0x560c892e10d0), [:, a, 'A'])
^  Call: (192) [user] read_list(')', (0x560c892e10d0), _1582978)
^  Call: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _1584836)
   Exit: (194) [system] peek_char((0x560c892e10d0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x560c892e10d0), _1596286)
   Exit: (194) [system] get_char((0x560c892e10d0), '\n')
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1598990)
   Exit: (195) [system] peek_char((0x560c892e10d0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x560c892e10d0), _1608584)
   Exit: (195) [system] get_char((0x560c892e10d0), ' ')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1611288)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
^  Exit: (193) [user] skip_spaces((0x560c892e10d0))
   Call: (193) [system] peek_char((0x560c892e10d0), _1629146)
   Exit: (193) [system] peek_char((0x560c892e10d0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x560c892e10d0), _1634716)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1636574)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] get_char((0x560c892e10d0), _1652584)
   Exit: (194) [system] get_char((0x560c892e10d0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _1634716)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1658154)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _1674164)
   Exit: (195) [system] peek_char((0x560c892e10d0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _1679734)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1681592)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _1697602)
   Exit: (196) [system] get_char((0x560c892e10d0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x560c892e10d0), :, _1679734)
^  Call: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), _1715244)
   Call: (198) [system] peek_char((0x560c892e10d0), _1716178)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1715244=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1679734)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1725462)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1726414, _1726416), once(user:catch(read_from_chars([:], _1725462), _1726396, fail)), '$restore_trace'(_1726414, _1726416))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1726414, _1726416))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1726396, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1679734=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1738542)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1740400)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _1749994)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1752698)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1769632)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1775202)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1777060)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1793070)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1775202)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1798640)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'D')
   Call: (199) [system] 'D'=(;)
   Fail: (199) [system] 'D'=(;)
   Call: (199) [system] 'D'=(/)
   Fail: (199) [system] 'D'=(/)
^  Call: (199) [user] is_like_space('D')
   Call: (200) [system] char_type('D', 'white')
   Fail: (200) [system] char_type('D', 'white')
   Call: (200) [system] char_type('D', end_of_line)
   Fail: (200) [system] char_type('D', end_of_line)
   Call: (200) [system] char_type('D', space)
   Fail: (200) [system] char_type('D', space)
   Call: (200) [system] char_type('D', cntrl)
   Fail: (200) [system] char_type('D', cntrl)
^  Fail: (199) [user] is_like_space('D')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1814650)
   Exit: (198) [system] peek_char((0x560c892e10d0), 'D')
   Call: (198) [system] 'D'=')'
   Fail: (198) [system] 'D'=')'
   Call: (198) [system] 'D'=end_of_file
   Fail: (198) [system] 'D'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1820220)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1822078)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
   Call: (200) [system] 'D'=(/)
   Fail: (200) [system] 'D'=(/)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1838088)
   Exit: (199) [system] get_char((0x560c892e10d0), 'D')
   Call: (199) [system] 'D'='('
   Fail: (199) [system] 'D'='('
   Call: (199) [system] 'D'='['
   Fail: (199) [system] 'D'='['
   Call: (199) [system] 'D'='{'
   Fail: (199) [system] 'D'='{'
   Call: (199) [system] 'D'='"'
   Fail: (199) [system] 'D'='"'
   Call: (199) [system] 'D'=!
   Fail: (199) [system] 'D'=!
   Call: (199) [system] 'D'='\''
   Fail: (199) [system] 'D'='\''
   Call: (199) [system] 'D'='`'
   Fail: (199) [system] 'D'='`'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1820220)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1855730)
   Call: (201) [system] peek_char((0x560c892e10d0), _1856664)
   Exit: (201) [system] peek_char((0x560c892e10d0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1861384, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1862316, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x560c892e10d0), i)
   Exit: (201) [system] get_char((0x560c892e10d0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1869666)
   Call: (202) [system] peek_char((0x560c892e10d0), _1870600)
   Exit: (202) [system] peek_char((0x560c892e10d0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1875320, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1876252, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x560c892e10d0), s)
   Exit: (202) [system] get_char((0x560c892e10d0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1883602)
   Call: (203) [system] peek_char((0x560c892e10d0), _1884536)
   Exit: (203) [system] peek_char((0x560c892e10d0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1889256, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1890188, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x560c892e10d0), j)
   Exit: (203) [system] get_char((0x560c892e10d0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1897538)
   Call: (204) [system] peek_char((0x560c892e10d0), _1898472)
   Exit: (204) [system] peek_char((0x560c892e10d0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1903192, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1904124, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x560c892e10d0), u)
   Exit: (204) [system] get_char((0x560c892e10d0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1911474)
   Call: (205) [system] peek_char((0x560c892e10d0), _1912408)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1917128, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1918060, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1925410)
   Call: (206) [system] peek_char((0x560c892e10d0), _1926344)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1931064, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1931996, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1939346)
   Call: (207) [system] peek_char((0x560c892e10d0), _1940280)
   Exit: (207) [system] peek_char((0x560c892e10d0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1945000, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1945932, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x560c892e10d0), t)
   Exit: (207) [system] get_char((0x560c892e10d0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1953282)
   Call: (208) [system] peek_char((0x560c892e10d0), _1954216)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1958936, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1959868, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1967218)
   Call: (209) [system] peek_char((0x560c892e10d0), _1968152)
   Exit: (209) [system] peek_char((0x560c892e10d0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1972872, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1973804, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x560c892e10d0), o)
   Exit: (209) [system] get_char((0x560c892e10d0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1981154)
   Call: (210) [system] peek_char((0x560c892e10d0), _1982088)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1986808, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1987740, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1995090)
   Call: (211) [system] peek_char((0x560c892e10d0), _1996024)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_2000744, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_2001676, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x560c892e10d0), 'I')
   Exit: (211) [system] get_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2009026)
   Call: (212) [system] peek_char((0x560c892e10d0), _2009960)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_2014680, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_2015612, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2022962)
   Call: (213) [system] peek_char((0x560c892e10d0), _2023896)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2028616, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2029548, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2036898)
   Call: (214) [system] peek_char((0x560c892e10d0), _2037832)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_2042552, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_2043484, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2050834)
   Call: (215) [system] peek_char((0x560c892e10d0), _2051768)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2056488, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2057420, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2064770)
   Call: (216) [system] peek_char((0x560c892e10d0), _2065704)
   Exit: (216) [system] peek_char((0x560c892e10d0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_2070424, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_2071356, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x560c892e10d0), d)
   Exit: (216) [system] get_char((0x560c892e10d0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2078706)
   Call: (217) [system] peek_char((0x560c892e10d0), _2079640)
   Exit: (217) [system] peek_char((0x560c892e10d0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_2084360, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_2085292, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x560c892e10d0), u)
   Exit: (217) [system] get_char((0x560c892e10d0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2092642)
   Call: (218) [system] peek_char((0x560c892e10d0), _2093576)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_5264, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_6196, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _13546)
   Call: (219) [system] peek_char((0x560c892e10d0), _14480)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_19200, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_20132, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _27482)
   Call: (220) [system] peek_char((0x560c892e10d0), _28416)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_33136, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_34068, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _41418)
   Call: (221) [system] peek_char((0x560c892e10d0), _42352)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_47072, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_48004, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _55354)
   Call: (222) [system] peek_char((0x560c892e10d0), _56288)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_61008, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_61940, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _69290)
   Call: (223) [system] peek_char((0x560c892e10d0), _70224)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _69290=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _55354=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (221) [system] _41418=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (220) [system] _27482=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (219) [system] _13546=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (218) [system] _3722=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (217) [system] _3718=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (216) [system] _3714=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (215) [system] _3710=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _3706=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _3702=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _3698=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _3694=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _3690=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _3686=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _3682=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3678=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3674=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3670=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3666=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3662=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _3658=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _3654=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3650)
^  Call: (201) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_141928, _141930), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976), _141910, fail)), '$restore_trace'(_141928, _141930))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_141928, _141930))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976), _141910, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_140976)
   Fail: (202) [system] atomic(_140976)
   Call: (202) [system] atom_chars(_140976, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (201) [system] integer('DisjunctionIntroduction')
   Fail: (201) [system] integer('DisjunctionIntroduction')
   Call: (201) [system] _3650='DisjunctionIntroduction'
   Exit: (201) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (200) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _155926)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _157784)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _167378)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _170082)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _187016)
   Exit: (199) [system] peek_char((0x560c892e10d0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _192586)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _194444)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _210454)
   Exit: (200) [system] get_char((0x560c892e10d0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), a, _192586)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _228096)
   Call: (202) [system] peek_char((0x560c892e10d0), _229030)
   Exit: (202) [system] peek_char((0x560c892e10d0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_233750, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_234682, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x560c892e10d0), b)
   Exit: (202) [system] get_char((0x560c892e10d0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _242032)
   Call: (203) [system] peek_char((0x560c892e10d0), _242966)
   Exit: (203) [system] peek_char((0x560c892e10d0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_247686, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_248618, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x560c892e10d0), c)
   Exit: (203) [system] get_char((0x560c892e10d0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _255968)
   Call: (204) [system] peek_char((0x560c892e10d0), _256902)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _255968=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (203) [system] _242032=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (202) [system] _228096=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq([a, b, c], _192586)
^  Call: (202) [user] classify_and_convert_charseq_([a, b, c], _271774)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_272726, _272728), once(user:catch(read_from_chars([a, b, c], _271774), _272708, fail)), '$restore_trace'(_272726, _272728))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_272726, _272728))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _272708, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (202) [system] integer(abc)
   Fail: (202) [system] integer(abc)
   Call: (202) [system] _192586=abc
   Exit: (202) [system] abc=abc
^  Exit: (201) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _284854)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _286712)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _296306)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _299010)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _315944)
   Exit: (200) [system] peek_char((0x560c892e10d0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _321514)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _323372)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _339382)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), a, _321514)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _357024)
   Call: (203) [system] peek_char((0x560c892e10d0), _357958)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_362678, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_363610, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _370960)
   Call: (204) [system] peek_char((0x560c892e10d0), _371894)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_376614, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_377546, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _384896)
   Call: (205) [system] peek_char((0x560c892e10d0), _385830)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_390550, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _384896=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _370960=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (203) [system] _357024=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _321514)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _402574)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_403526, _403528), once(user:catch(read_from_chars([a, b, c], _402574), _403508, fail)), '$restore_trace'(_403526, _403528))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_403526, _403528))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _403508, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _321514=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _415654)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _417512)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _433522)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _437312)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _415654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _284854=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (199) [system] _155926=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [abc, abc])
   Call: (198) [system] _3644=['DisjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _451194)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _453052)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _462646)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _465350)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _482284)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _487854)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _489712)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _505722)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _487854)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _511292)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
   Call: (200) [system] 'O'=(/)
   Fail: (200) [system] 'O'=(/)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _527302)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _532872)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _534730)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _550740)
   Exit: (200) [system] get_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'O', _532872)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _568382)
   Call: (202) [system] peek_char((0x560c892e10d0), _569316)
   Exit: (202) [system] peek_char((0x560c892e10d0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_574036, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_574968, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x560c892e10d0), r)
   Exit: (202) [system] get_char((0x560c892e10d0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _582318)
   Call: (203) [system] peek_char((0x560c892e10d0), _583252)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_587972, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_588904, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x560c892e10d0), 'L')
   Exit: (203) [system] get_char((0x560c892e10d0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _596254)
   Call: (204) [system] peek_char((0x560c892e10d0), _597188)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_601908, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_602840, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _610190)
   Call: (205) [system] peek_char((0x560c892e10d0), _611124)
   Exit: (205) [system] peek_char((0x560c892e10d0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_615844, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_616776, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x560c892e10d0), n)
   Exit: (205) [system] get_char((0x560c892e10d0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _624126)
   Call: (206) [system] peek_char((0x560c892e10d0), _625060)
   Exit: (206) [system] peek_char((0x560c892e10d0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_629780, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_630712, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x560c892e10d0), k)
   Exit: (206) [system] get_char((0x560c892e10d0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _638062)
   Call: (207) [system] peek_char((0x560c892e10d0), _638996)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _638062=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _624126=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (205) [system] _610190=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (204) [system] _596254=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (203) [system] _582318=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (202) [system] _568382=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _532872)
^  Call: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _662250)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_663202, _663204), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _662250), _663184, fail)), '$restore_trace'(_663202, _663204))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_663202, _663204))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _662250), _663184, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_662250)
   Fail: (203) [system] atomic(_662250)
   Call: (203) [system] atom_chars(_662250, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (202) [system] integer('OrLink')
   Fail: (202) [system] integer('OrLink')
   Call: (202) [system] _532872='OrLink'
   Exit: (202) [system] 'OrLink'='OrLink'
^  Exit: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _677200)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _679058)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _688652)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _691356)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _708290)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _713860)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _715718)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _731728)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _713860)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _737298)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
   Call: (203) [system] 'I'=(/)
   Fail: (203) [system] 'I'=(/)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _753308)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _758878)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _760736)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _776746)
   Exit: (203) [system] get_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'I', _758878)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _794388)
   Call: (205) [system] peek_char((0x560c892e10d0), _795322)
   Exit: (205) [system] peek_char((0x560c892e10d0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_800042, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_800974, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x560c892e10d0), m)
   Exit: (205) [system] get_char((0x560c892e10d0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _808324)
   Call: (206) [system] peek_char((0x560c892e10d0), _809258)
   Exit: (206) [system] peek_char((0x560c892e10d0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_813978, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_814910, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x560c892e10d0), p)
   Exit: (206) [system] get_char((0x560c892e10d0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _822260)
   Call: (207) [system] peek_char((0x560c892e10d0), _823194)
   Exit: (207) [system] peek_char((0x560c892e10d0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_827914, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_828846, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x560c892e10d0), l)
   Exit: (207) [system] get_char((0x560c892e10d0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _836196)
   Call: (208) [system] peek_char((0x560c892e10d0), _837130)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_841850, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_842782, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _850132)
   Call: (209) [system] peek_char((0x560c892e10d0), _851066)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_855786, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_856718, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _864068)
   Call: (210) [system] peek_char((0x560c892e10d0), _865002)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_869722, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_870654, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x560c892e10d0), a)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _878004)
   Call: (211) [system] peek_char((0x560c892e10d0), _878938)
   Exit: (211) [system] peek_char((0x560c892e10d0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_883658, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_884590, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x560c892e10d0), t)
   Exit: (211) [system] get_char((0x560c892e10d0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _891940)
   Call: (212) [system] peek_char((0x560c892e10d0), _892874)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_897594, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_898526, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _905876)
   Call: (213) [system] peek_char((0x560c892e10d0), _906810)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_911530, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_912462, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _919812)
   Call: (214) [system] peek_char((0x560c892e10d0), _920746)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_925466, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_926398, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _933748)
   Call: (215) [system] peek_char((0x560c892e10d0), _934682)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _933748=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _919812=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (213) [system] _905876=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (212) [system] _891940=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (211) [system] _878004=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (210) [system] _864068=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (209) [system] _850132=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (208) [system] _836196=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (207) [system] _822260=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _808324=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _794388=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _758878)
^  Call: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _971906)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_972858, _972860), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _971906), _972840, fail)), '$restore_trace'(_972858, _972860))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_972858, _972860))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _971906), _972840, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_971906)
   Fail: (206) [system] atomic(_971906)
   Call: (206) [system] atom_chars(_971906, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (205) [system] integer('Implication')
   Fail: (205) [system] integer('Implication')
   Call: (205) [system] _758878='Implication'
   Exit: (205) [system] 'Implication'='Implication'
^  Exit: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _986856)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _988714)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _998308)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1001012)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1017946)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1023516)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1025374)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1041384)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1023516)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1046954)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1062964)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1068534)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1070392)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1086402)
   Exit: (206) [system] get_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1068534)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104044)
   Call: (208) [system] peek_char((0x560c892e10d0), _1104978)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1109698, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1110630, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1117980)
   Call: (209) [system] peek_char((0x560c892e10d0), _1118914)
   Exit: (209) [system] peek_char((0x560c892e10d0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1123634, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1124566, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x560c892e10d0), d)
   Exit: (209) [system] get_char((0x560c892e10d0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1131916)
   Call: (210) [system] peek_char((0x560c892e10d0), _1132850)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1137570, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1138502, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x560c892e10d0), 'L')
   Exit: (210) [system] get_char((0x560c892e10d0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1145852)
   Call: (211) [system] peek_char((0x560c892e10d0), _1146786)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1151506, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1152438, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1159788)
   Call: (212) [system] peek_char((0x560c892e10d0), _1160722)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1165442, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1166374, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1173724)
   Call: (213) [system] peek_char((0x560c892e10d0), _1174658)
   Exit: (213) [system] peek_char((0x560c892e10d0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1179378, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1180310, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x560c892e10d0), k)
   Exit: (213) [system] get_char((0x560c892e10d0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1187660)
   Call: (214) [system] peek_char((0x560c892e10d0), _1188594)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1187660=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _1173724=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (212) [system] _1159788=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (211) [system] _1145852=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (210) [system] _1131916=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (209) [system] _1117980=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (208) [system] _1104044=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1068534)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1214642)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1215594, _1215596), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1214642), _1215576, fail)), '$restore_trace'(_1215594, _1215596))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1215594, _1215596))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1214642), _1215576, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1214642)
   Fail: (209) [system] atomic(_1214642)
   Call: (209) [system] atom_chars(_1214642, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _1068534='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1229592)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1231450)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1241044)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1243748)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1260682)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1266252)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1268110)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1284120)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1266252)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1301762)
   Call: (209) [system] peek_char((0x560c892e10d0), _1302696)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1301762=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq(['A'], _1266252)
^  Call: (209) [user] classify_and_convert_charseq_(['A'], _1311980)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1312932, _1312934), once(user:catch(read_from_chars(['A'], _1311980), _1312914, fail)), '$restore_trace'(_1312932, _1312934))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1312932, _1312934))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1311980), _1312914, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1311980)
   Fail: (210) [system] atomic(_1311980)
   Call: (210) [system] atom_chars(_1311980, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (209) [system] integer('A')
   Fail: (209) [system] integer('A')
   Call: (209) [system] _1266252='A'
   Exit: (209) [system] 'A'='A'
^  Exit: (208) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1326930)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1328788)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1338382)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1341086)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1358020)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1363590)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1365448)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1381458)
   Exit: (208) [system] get_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1363590)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1399100)
   Call: (210) [system] peek_char((0x560c892e10d0), _1400034)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1404754, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1399100=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['B'], _1363590)
^  Call: (210) [user] classify_and_convert_charseq_(['B'], _1411190)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1412142, _1412144), once(user:catch(read_from_chars(['B'], _1411190), _1412124, fail)), '$restore_trace'(_1412142, _1412144))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1412142, _1412144))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1411190), _1412124, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1411190)
   Fail: (211) [system] atomic(_1411190)
   Call: (211) [system] atom_chars(_1411190, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (210) [system] integer('B')
   Fail: (210) [system] integer('B')
   Call: (210) [system] _1363590='B'
   Exit: (210) [system] 'B'='B'
^  Exit: (209) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1426140)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1427998)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1444008)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1447798)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1426140=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _1326930=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (206) [system] _1229592=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (205) [system] _1023516=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1461680)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1463538)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1473132)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1475836)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1492770)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1498340)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1500198)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1516208)
   Exit: (205) [system] get_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1498340)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1533850)
   Call: (207) [system] peek_char((0x560c892e10d0), _1534784)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1539504, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1533850=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq(['C'], _1498340)
^  Call: (207) [user] classify_and_convert_charseq_(['C'], _1545940)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1546892, _1546894), once(user:catch(read_from_chars(['C'], _1545940), _1546874, fail)), '$restore_trace'(_1546892, _1546894))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1546892, _1546894))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1545940), _1546874, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1545940)
   Fail: (208) [system] atomic(_1545940)
   Call: (208) [system] atom_chars(_1545940, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (207) [system] integer('C')
   Fail: (207) [system] integer('C')
   Call: (207) [system] _1498340='C'
   Exit: (207) [system] 'C'='C'
^  Exit: (206) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1560890)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1562748)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1578758)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1582548)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1560890=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _1461680=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (203) [system] _986856=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _713860=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1596430)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1598288)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1607882)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1610586)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1627520)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1633090)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1634948)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1650958)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1633090)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1656528)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1672538)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1678108)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1679966)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1695976)
   Exit: (204) [system] get_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1678108)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1713618)
   Call: (206) [system] peek_char((0x560c892e10d0), _1714552)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1719272, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1720204, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1727554)
   Call: (207) [system] peek_char((0x560c892e10d0), _1728488)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1733208, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1734140, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1741490)
   Call: (208) [system] peek_char((0x560c892e10d0), _1742424)
   Exit: (208) [system] peek_char((0x560c892e10d0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1747144, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1748076, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x560c892e10d0), l)
   Exit: (208) [system] get_char((0x560c892e10d0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1755426)
   Call: (209) [system] peek_char((0x560c892e10d0), _1756360)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1761080, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1762012, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1769362)
   Call: (210) [system] peek_char((0x560c892e10d0), _1770296)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1775016, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1775948, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1783298)
   Call: (211) [system] peek_char((0x560c892e10d0), _1784232)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1788952, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1789884, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x560c892e10d0), a)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1797234)
   Call: (212) [system] peek_char((0x560c892e10d0), _1798168)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1802888, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1803820, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1811170)
   Call: (213) [system] peek_char((0x560c892e10d0), _1812104)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1816824, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1817756, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1825106)
   Call: (214) [system] peek_char((0x560c892e10d0), _1826040)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1830760, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1831692, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1839042)
   Call: (215) [system] peek_char((0x560c892e10d0), _1839976)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1844696, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1845628, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1852978)
   Call: (216) [system] peek_char((0x560c892e10d0), _1853912)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1852978=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1839042=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (214) [system] _1825106=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (213) [system] _1811170=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (212) [system] _1797234=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (211) [system] _1783298=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (210) [system] _1769362=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (209) [system] _1755426=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1741490=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1727554=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1713618=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1678108)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1891136)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1892088, _1892090), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1891136), _1892070, fail)), '$restore_trace'(_1892088, _1892090))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1892088, _1892090))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1891136), _1892070, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1891136)
   Fail: (207) [system] atomic(_1891136)
   Call: (207) [system] atom_chars(_1891136, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _1678108='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1906086)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1907944)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1917538)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1920242)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1937176)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1942746)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1944604)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1960614)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1942746)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1966184)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1982194)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1987764)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1989622)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _2005632)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1987764)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2023274)
   Call: (209) [system] peek_char((0x560c892e10d0), _2024208)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2028928, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2029860, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2037210)
   Call: (210) [system] peek_char((0x560c892e10d0), _2038144)
   Exit: (210) [system] peek_char((0x560c892e10d0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2042864, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_2043796, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x560c892e10d0), d)
   Exit: (210) [system] get_char((0x560c892e10d0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2051146)
   Call: (211) [system] peek_char((0x560c892e10d0), _2052080)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_2056800, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_2057732, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2065082)
   Call: (212) [system] peek_char((0x560c892e10d0), _2066016)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2070736, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_2071668, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2079018)
   Call: (213) [system] peek_char((0x560c892e10d0), _2079952)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2084672, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_2085604, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2092954)
   Call: (214) [system] peek_char((0x560c892e10d0), _2093888)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_5526, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_6458, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _13808)
   Call: (215) [system] peek_char((0x560c892e10d0), _14742)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _13808=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _3764=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _3760=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _3756=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _3752=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _3748=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (209) [system] _3744=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3740)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _40790)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_41742, _41744), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _40790), _41724, fail)), '$restore_trace'(_41742, _41744))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_41742, _41744))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _40790), _41724, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_40790)
   Fail: (210) [system] atomic(_40790)
   Call: (210) [system] atom_chars(_40790, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _3740='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _55740)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _57598)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _67192)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _69896)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _86830)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _92400)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _94258)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _110268)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _92400)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _127910)
   Call: (210) [system] peek_char((0x560c892e10d0), _128844)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _127910=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _92400)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _138128)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_139080, _139082), once(user:catch(read_from_chars(['A'], _138128), _139062, fail)), '$restore_trace'(_139080, _139082))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_139080, _139082))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _138128), _139062, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_138128)
   Fail: (211) [system] atomic(_138128)
   Call: (211) [system] atom_chars(_138128, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _92400='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _153078)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _154936)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _164530)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _167234)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _184168)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _189738)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _191596)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _207606)
   Exit: (209) [system] get_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', _189738)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _225248)
   Call: (211) [system] peek_char((0x560c892e10d0), _226182)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_230902, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _225248=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _189738)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _237338)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_238290, _238292), once(user:catch(read_from_chars(['B'], _237338), _238272, fail)), '$restore_trace'(_238290, _238292))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_238290, _238292))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _237338), _238272, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_237338)
   Fail: (212) [system] atomic(_237338)
   Call: (212) [system] atom_chars(_237338, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _189738='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _252288)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _254146)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _270156)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _273946)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _252288=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _153078=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (207) [system] _55740=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (206) [system] _3734=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _287828)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _289686)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _299280)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _301984)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _318918)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _324488)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _326346)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _342356)
   Exit: (206) [system] get_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', _324488)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _359998)
   Call: (208) [system] peek_char((0x560c892e10d0), _360932)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_365652, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _359998=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _324488)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _372088)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_373040, _373042), once(user:catch(read_from_chars(['C'], _372088), _373022, fail)), '$restore_trace'(_373040, _373042))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_373040, _373042))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _372088), _373022, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_372088)
   Fail: (209) [system] atomic(_372088)
   Call: (209) [system] atom_chars(_372088, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _324488='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _387038)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _388896)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _404906)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _408696)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _387038=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _287828=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (204) [system] _3730=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3722=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _422578)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _424436)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _440446)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _444236)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _422578=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _3718=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3676=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3668=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _458118)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _459976)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _475986)
   Exit: (198) [system] peek_char((0x560c892e10d0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x560c892e10d0), _479776)
   Exit: (198) [system] get_char((0x560c892e10d0), ')')
   Call: (198) [system] _458118=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [])
   Call: (197) [system] _3664=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3640=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3632=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x560c892e10d0), _493658)
^  Call: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _495516)
   Exit: (195) [system] peek_char((0x560c892e10d0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x560c892e10d0), _506966)
   Exit: (195) [system] get_char((0x560c892e10d0), '\n')
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _509670)
   Exit: (196) [system] peek_char((0x560c892e10d0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x560c892e10d0), _519264)
   Exit: (196) [system] get_char((0x560c892e10d0), ' ')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _521968)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
^  Exit: (194) [user] skip_spaces((0x560c892e10d0))
   Call: (194) [system] peek_char((0x560c892e10d0), _539826)
   Exit: (194) [system] peek_char((0x560c892e10d0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x560c892e10d0), _545396)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _547254)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] get_char((0x560c892e10d0), _563264)
   Exit: (195) [system] get_char((0x560c892e10d0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _545396)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _568834)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _584844)
   Exit: (196) [system] peek_char((0x560c892e10d0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _590414)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _592272)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _608282)
   Exit: (197) [system] get_char((0x560c892e10d0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x560c892e10d0), :, _590414)
^  Call: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), _625924)
   Call: (199) [system] peek_char((0x560c892e10d0), _626858)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _625924=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _590414)
^  Call: (199) [user] classify_and_convert_charseq_([:], _636142)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_637094, _637096), once(user:catch(read_from_chars([:], _636142), _637076, fail)), '$restore_trace'(_637094, _637096))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_637094, _637096))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _637076, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _590414=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _649222)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _651080)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _660674)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _663378)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _680312)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _685882)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _687740)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _703750)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _685882)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _709320)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
   Call: (200) [system] 'D'=(/)
   Fail: (200) [system] 'D'=(/)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _725330)
   Exit: (199) [system] peek_char((0x560c892e10d0), 'D')
   Call: (199) [system] 'D'=')'
   Fail: (199) [system] 'D'=')'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _730900)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _732758)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
   Call: (201) [system] 'D'=(/)
   Fail: (201) [system] 'D'=(/)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _748768)
   Exit: (200) [system] get_char((0x560c892e10d0), 'D')
   Call: (200) [system] 'D'='('
   Fail: (200) [system] 'D'='('
   Call: (200) [system] 'D'='['
   Fail: (200) [system] 'D'='['
   Call: (200) [system] 'D'='{'
   Fail: (200) [system] 'D'='{'
   Call: (200) [system] 'D'='"'
   Fail: (200) [system] 'D'='"'
   Call: (200) [system] 'D'=!
   Fail: (200) [system] 'D'=!
   Call: (200) [system] 'D'='\''
   Fail: (200) [system] 'D'='\''
   Call: (200) [system] 'D'='`'
   Fail: (200) [system] 'D'='`'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), 'D', _730900)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _766410)
   Call: (202) [system] peek_char((0x560c892e10d0), _767344)
   Exit: (202) [system] peek_char((0x560c892e10d0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_772064, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_772996, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x560c892e10d0), i)
   Exit: (202) [system] get_char((0x560c892e10d0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _780346)
   Call: (203) [system] peek_char((0x560c892e10d0), _781280)
   Exit: (203) [system] peek_char((0x560c892e10d0), s)
^  Call: (203) [user] is_delimiter(s)
   Call: (204) [system] char_type(s, space)
   Fail: (204) [system] char_type(s, space)
   Call: (204) [system] arg(_786000, v('(', ')', end_of_file), s)
   Fail: (204) [system] arg(_786932, v('(', ')', end_of_file), s)
^  Fail: (203) [user] is_delimiter(s)
   Call: (203) [system] ')'==s
   Fail: (203) [system] ')'==s
   Call: (203) [system] get_char((0x560c892e10d0), s)
   Exit: (203) [system] get_char((0x560c892e10d0), s)
   Call: (203) [system] s=(\)
   Fail: (203) [system] s=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _794282)
   Call: (204) [system] peek_char((0x560c892e10d0), _795216)
   Exit: (204) [system] peek_char((0x560c892e10d0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_799936, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_800868, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x560c892e10d0), j)
   Exit: (204) [system] get_char((0x560c892e10d0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _808218)
   Call: (205) [system] peek_char((0x560c892e10d0), _809152)
   Exit: (205) [system] peek_char((0x560c892e10d0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_813872, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_814804, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x560c892e10d0), u)
   Exit: (205) [system] get_char((0x560c892e10d0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _822154)
   Call: (206) [system] peek_char((0x560c892e10d0), _823088)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_827808, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_828740, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _836090)
   Call: (207) [system] peek_char((0x560c892e10d0), _837024)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_841744, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_842676, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _850026)
   Call: (208) [system] peek_char((0x560c892e10d0), _850960)
   Exit: (208) [system] peek_char((0x560c892e10d0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_855680, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_856612, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x560c892e10d0), t)
   Exit: (208) [system] get_char((0x560c892e10d0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _863962)
   Call: (209) [system] peek_char((0x560c892e10d0), _864896)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_869616, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_870548, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _877898)
   Call: (210) [system] peek_char((0x560c892e10d0), _878832)
   Exit: (210) [system] peek_char((0x560c892e10d0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_883552, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_884484, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x560c892e10d0), o)
   Exit: (210) [system] get_char((0x560c892e10d0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _891834)
   Call: (211) [system] peek_char((0x560c892e10d0), _892768)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_897488, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_898420, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _905770)
   Call: (212) [system] peek_char((0x560c892e10d0), _906704)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_911424, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_912356, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x560c892e10d0), 'I')
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _919706)
   Call: (213) [system] peek_char((0x560c892e10d0), _920640)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_925360, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_926292, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _933642)
   Call: (214) [system] peek_char((0x560c892e10d0), _934576)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_939296, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_940228, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _947578)
   Call: (215) [system] peek_char((0x560c892e10d0), _948512)
   Exit: (215) [system] peek_char((0x560c892e10d0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_953232, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_954164, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x560c892e10d0), r)
   Exit: (215) [system] get_char((0x560c892e10d0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _961514)
   Call: (216) [system] peek_char((0x560c892e10d0), _962448)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_967168, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_968100, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _975450)
   Call: (217) [system] peek_char((0x560c892e10d0), _976384)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_981104, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_982036, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _989386)
   Call: (218) [system] peek_char((0x560c892e10d0), _990320)
   Exit: (218) [system] peek_char((0x560c892e10d0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_995040, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_995972, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x560c892e10d0), u)
   Exit: (218) [system] get_char((0x560c892e10d0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003322)
   Call: (219) [system] peek_char((0x560c892e10d0), _1004256)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1008976, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1009908, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017258)
   Call: (220) [system] peek_char((0x560c892e10d0), _1018192)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1022912, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1023844, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031194)
   Call: (221) [system] peek_char((0x560c892e10d0), _1032128)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1036848, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1037780, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045130)
   Call: (222) [system] peek_char((0x560c892e10d0), _1046064)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1050784, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1051716, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059066)
   Call: (223) [system] peek_char((0x560c892e10d0), _1060000)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1064720, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1065652, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073002)
   Call: (224) [system] peek_char((0x560c892e10d0), _1073936)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1073002=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1059066=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _1045130=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _1031194=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _1017258=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _1003322=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (218) [system] _989386=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (217) [system] _975450=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (216) [system] _961514=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _947578=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _933642=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _919706=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _905770=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _891834=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _877898=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _863962=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _850026=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _836090=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _822154=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _808218=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _794282=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _780346=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _766410=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _730900)
^  Call: (202) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1145640, _1145642), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688), _1145622, fail)), '$restore_trace'(_1145640, _1145642))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1145640, _1145642))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688), _1145622, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1144688)
   Fail: (203) [system] atomic(_1144688)
   Call: (203) [system] atom_chars(_1144688, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (202) [system] integer('DisjunctionIntroduction')
   Fail: (202) [system] integer('DisjunctionIntroduction')
   Call: (202) [system] _730900='DisjunctionIntroduction'
   Exit: (202) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (201) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1159638)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1161496)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1171090)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1173794)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1190728)
   Exit: (200) [system] peek_char((0x560c892e10d0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1196298)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1198156)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1214166)
   Exit: (201) [system] get_char((0x560c892e10d0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), a, _1196298)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1231808)
   Call: (203) [system] peek_char((0x560c892e10d0), _1232742)
   Exit: (203) [system] peek_char((0x560c892e10d0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1237462, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1238394, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x560c892e10d0), b)
   Exit: (203) [system] get_char((0x560c892e10d0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1245744)
   Call: (204) [system] peek_char((0x560c892e10d0), _1246678)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1251398, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1252330, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x560c892e10d0), c)
   Exit: (204) [system] get_char((0x560c892e10d0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1259680)
   Call: (205) [system] peek_char((0x560c892e10d0), _1260614)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1259680=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (204) [system] _1245744=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (203) [system] _1231808=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _1196298)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _1275486)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1276438, _1276440), once(user:catch(read_from_chars([a, b, c], _1275486), _1276420, fail)), '$restore_trace'(_1276438, _1276440))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1276438, _1276440))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1276420, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _1196298=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1288566)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1290424)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1300018)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1302722)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1319656)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1325226)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1327084)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1343094)
   Exit: (202) [system] get_char((0x560c892e10d0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), a, _1325226)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1360736)
   Call: (204) [system] peek_char((0x560c892e10d0), _1361670)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1366390, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1360736=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([a], _1325226)
^  Call: (204) [user] classify_and_convert_charseq_([a], _1372826)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1373778, _1373780), once(user:catch(read_from_chars([a], _1372826), _1373760, fail)), '$restore_trace'(_1373778, _1373780))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1373778, _1373780))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1373760, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(a)
   Exit: (205) [system] atomic(a)
^  Exit: (204) [user] classify_and_convert_charseq_([a], a)
   Call: (204) [system] integer(a)
   Fail: (204) [system] integer(a)
   Call: (204) [system] _1325226=a
   Exit: (204) [system] a=a
^  Exit: (203) [user] classify_and_convert_charseq([a], a)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1385906)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1387764)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1403774)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _1407564)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _1385906=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _1288566=[a]
   Exit: (201) [system] [a]=[a]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (200) [system] _1159638=[abc, a]
   Exit: (200) [system] [abc, a]=[abc, a]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (199) [system] _685882=['DisjunctionIntroduction', abc, a]
   Exit: (199) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1421446)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1423304)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1432898)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1435602)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1452536)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1458106)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1459964)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1475974)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1458106)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1481544)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1497554)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1503124)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1504982)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1520992)
   Exit: (201) [system] get_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1503124)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _1538634)
   Call: (203) [system] peek_char((0x560c892e10d0), _1539568)
   Exit: (203) [system] peek_char((0x560c892e10d0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1544288, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1545220, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x560c892e10d0), r)
   Exit: (203) [system] get_char((0x560c892e10d0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1552570)
   Call: (204) [system] peek_char((0x560c892e10d0), _1553504)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1558224, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_1559156, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x560c892e10d0), 'L')
   Exit: (204) [system] get_char((0x560c892e10d0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1566506)
   Call: (205) [system] peek_char((0x560c892e10d0), _1567440)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1572160, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1573092, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1580442)
   Call: (206) [system] peek_char((0x560c892e10d0), _1581376)
   Exit: (206) [system] peek_char((0x560c892e10d0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1586096, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1587028, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x560c892e10d0), n)
   Exit: (206) [system] get_char((0x560c892e10d0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1594378)
   Call: (207) [system] peek_char((0x560c892e10d0), _1595312)
   Exit: (207) [system] peek_char((0x560c892e10d0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1600032, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1600964, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x560c892e10d0), k)
   Exit: (207) [system] get_char((0x560c892e10d0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1608314)
   Call: (208) [system] peek_char((0x560c892e10d0), _1609248)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1608314=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _1594378=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (206) [system] _1580442=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (205) [system] _1566506=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (204) [system] _1552570=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (203) [system] _1538634=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1503124)
^  Call: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1632502)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1633454, _1633456), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1632502), _1633436, fail)), '$restore_trace'(_1633454, _1633456))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1633454, _1633456))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1632502), _1633436, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1632502)
   Fail: (204) [system] atomic(_1632502)
   Call: (204) [system] atom_chars(_1632502, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (203) [system] integer('OrLink')
   Fail: (203) [system] integer('OrLink')
   Call: (203) [system] _1503124='OrLink'
   Exit: (203) [system] 'OrLink'='OrLink'
^  Exit: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1647452)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1649310)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1658904)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1661608)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1678542)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1684112)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1685970)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1701980)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1684112)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1707550)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1723560)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1729130)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1730988)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1746998)
   Exit: (204) [system] get_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1729130)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1764640)
   Call: (206) [system] peek_char((0x560c892e10d0), _1765574)
   Exit: (206) [system] peek_char((0x560c892e10d0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1770294, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1771226, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x560c892e10d0), m)
   Exit: (206) [system] get_char((0x560c892e10d0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778576)
   Call: (207) [system] peek_char((0x560c892e10d0), _1779510)
   Exit: (207) [system] peek_char((0x560c892e10d0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1784230, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1785162, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x560c892e10d0), p)
   Exit: (207) [system] get_char((0x560c892e10d0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792512)
   Call: (208) [system] peek_char((0x560c892e10d0), _1793446)
   Exit: (208) [system] peek_char((0x560c892e10d0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1798166, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1799098, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x560c892e10d0), l)
   Exit: (208) [system] get_char((0x560c892e10d0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1806448)
   Call: (209) [system] peek_char((0x560c892e10d0), _1807382)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1812102, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1813034, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1820384)
   Call: (210) [system] peek_char((0x560c892e10d0), _1821318)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1826038, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1826970, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1834320)
   Call: (211) [system] peek_char((0x560c892e10d0), _1835254)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1839974, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1840906, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x560c892e10d0), a)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1848256)
   Call: (212) [system] peek_char((0x560c892e10d0), _1849190)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1853910, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1854842, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1862192)
   Call: (213) [system] peek_char((0x560c892e10d0), _1863126)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1867846, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1868778, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1876128)
   Call: (214) [system] peek_char((0x560c892e10d0), _1877062)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1881782, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1882714, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1890064)
   Call: (215) [system] peek_char((0x560c892e10d0), _1890998)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1895718, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1896650, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904000)
   Call: (216) [system] peek_char((0x560c892e10d0), _1904934)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1904000=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1890064=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (214) [system] _1876128=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (213) [system] _1862192=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (212) [system] _1848256=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (211) [system] _1834320=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (210) [system] _1820384=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (209) [system] _1806448=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1792512=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1778576=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1764640=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1729130)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1942158)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1943110, _1943112), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1942158), _1943092, fail)), '$restore_trace'(_1943110, _1943112))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1943110, _1943112))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1942158), _1943092, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1942158)
   Fail: (207) [system] atomic(_1942158)
   Call: (207) [system] atom_chars(_1942158, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _1729130='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1957108)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1958966)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1968560)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1971264)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1988198)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1993768)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1995626)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _2011636)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1993768)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2017206)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2033216)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _2038786)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _2040644)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _2056654)
   Exit: (207) [system] get_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', _2038786)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _2074296)
   Call: (209) [system] peek_char((0x560c892e10d0), _2075230)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2079950, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2080882, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088232)
   Call: (210) [system] peek_char((0x560c892e10d0), _2089166)
   Exit: (210) [system] peek_char((0x560c892e10d0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2093886, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_2094818, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x560c892e10d0), d)
   Exit: (210) [system] get_char((0x560c892e10d0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _9228)
   Call: (211) [system] peek_char((0x560c892e10d0), _10162)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_14882, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_15814, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _23164)
   Call: (212) [system] peek_char((0x560c892e10d0), _24098)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_28818, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_29750, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _37100)
   Call: (213) [system] peek_char((0x560c892e10d0), _38034)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_42754, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_43686, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _51036)
   Call: (214) [system] peek_char((0x560c892e10d0), _51970)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_56690, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_57622, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _64972)
   Call: (215) [system] peek_char((0x560c892e10d0), _65906)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _64972=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _51036=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _37100=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _23164=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _9228=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _3838=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (209) [system] _3834=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3830)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _91954)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_92906, _92908), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _91954), _92888, fail)), '$restore_trace'(_92906, _92908))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_92906, _92908))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _91954), _92888, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_91954)
   Fail: (210) [system] atomic(_91954)
   Call: (210) [system] atom_chars(_91954, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _3830='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _106904)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _108762)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _118356)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _121060)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _137994)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _143564)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _145422)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _161432)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _143564)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _179074)
   Call: (210) [system] peek_char((0x560c892e10d0), _180008)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _179074=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _143564)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _189292)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_190244, _190246), once(user:catch(read_from_chars(['A'], _189292), _190226, fail)), '$restore_trace'(_190244, _190246))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_190244, _190246))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _189292), _190226, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_189292)
   Fail: (211) [system] atomic(_189292)
   Call: (211) [system] atom_chars(_189292, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _143564='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _204242)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _206100)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _215694)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _218398)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _235332)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _240902)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _242760)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _258770)
   Exit: (209) [system] get_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', _240902)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _276412)
   Call: (211) [system] peek_char((0x560c892e10d0), _277346)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_282066, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _276412=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _240902)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _288502)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_289454, _289456), once(user:catch(read_from_chars(['B'], _288502), _289436, fail)), '$restore_trace'(_289454, _289456))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_289454, _289456))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _288502), _289436, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_288502)
   Fail: (212) [system] atomic(_288502)
   Call: (212) [system] atom_chars(_288502, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _240902='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _303452)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _305310)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _321320)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _325110)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _303452=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _204242=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (207) [system] _106904=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (206) [system] _3824=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _338992)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _340850)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _350444)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _353148)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _370082)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _375652)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _377510)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _393520)
   Exit: (206) [system] get_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', _375652)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _411162)
   Call: (208) [system] peek_char((0x560c892e10d0), _412096)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_416816, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _411162=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _375652)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _423252)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_424204, _424206), once(user:catch(read_from_chars(['C'], _423252), _424186, fail)), '$restore_trace'(_424204, _424206))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_424204, _424206))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _423252), _424186, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_423252)
   Fail: (209) [system] atomic(_423252)
   Call: (209) [system] atom_chars(_423252, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _375652='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _438202)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _440060)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _456070)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _459860)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _438202=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _338992=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (204) [system] _3820=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3812=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _473742)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _475600)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _485194)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _487898)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _504832)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _510402)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _512260)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _528270)
   Exit: (203) [system] get_char((0x560c892e10d0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'B', _510402)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _545912)
   Call: (205) [system] peek_char((0x560c892e10d0), _546846)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_551566, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _545912=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq(['B'], _510402)
^  Call: (205) [user] classify_and_convert_charseq_(['B'], _558002)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_558954, _558956), once(user:catch(read_from_chars(['B'], _558002), _558936, fail)), '$restore_trace'(_558954, _558956))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_558954, _558956))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _558002), _558936, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_558002)
   Fail: (206) [system] atomic(_558002)
   Call: (206) [system] atom_chars(_558002, ['B'])
   Exit: (206) [system] atom_chars('B', ['B'])
^  Exit: (205) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (205) [system] integer('B')
   Fail: (205) [system] integer('B')
   Call: (205) [system] _510402='B'
   Exit: (205) [system] 'B'='B'
^  Exit: (204) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _572952)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _574810)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _590820)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _594610)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _572952=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _473742=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (201) [system] _3808=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (200) [system] _3800=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (200) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _608492)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _610350)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _626360)
   Exit: (199) [system] peek_char((0x560c892e10d0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x560c892e10d0), _630150)
   Exit: (199) [system] get_char((0x560c892e10d0), ')')
   Call: (199) [system] _608492=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [])
   Call: (198) [system] _3796=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (197) [system] _3772=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (197) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (196) [system] _3764=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (196) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (195) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (194) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (194) [user] read_list(')', (0x560c892e10d0), _644032)
^  Call: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _645890)
   Exit: (196) [system] peek_char((0x560c892e10d0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x560c892e10d0), _657340)
   Exit: (196) [system] get_char((0x560c892e10d0), '\n')
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _660044)
   Exit: (197) [system] peek_char((0x560c892e10d0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x560c892e10d0), _669638)
   Exit: (197) [system] get_char((0x560c892e10d0), ' ')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _672342)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
^  Exit: (195) [user] skip_spaces((0x560c892e10d0))
   Call: (195) [system] peek_char((0x560c892e10d0), _690200)
   Exit: (195) [system] peek_char((0x560c892e10d0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x560c892e10d0), _695770)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _697628)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] get_char((0x560c892e10d0), _713638)
   Exit: (196) [system] get_char((0x560c892e10d0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _695770)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _719208)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _735218)
   Exit: (197) [system] peek_char((0x560c892e10d0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _740788)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _742646)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _758656)
   Exit: (198) [system] get_char((0x560c892e10d0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x560c892e10d0), :, _740788)
^  Call: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), _776298)
   Call: (200) [system] peek_char((0x560c892e10d0), _777232)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _776298=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _740788)
^  Call: (200) [user] classify_and_convert_charseq_([:], _786516)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_787468, _787470), once(user:catch(read_from_chars([:], _786516), _787450, fail)), '$restore_trace'(_787468, _787470))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_787468, _787470))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _787450, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _740788=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _799596)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _801454)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _811048)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _813752)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _830686)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _836256)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _838114)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _854124)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _836256)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _859694)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
   Call: (201) [system] 'D'=(/)
   Fail: (201) [system] 'D'=(/)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _875704)
   Exit: (200) [system] peek_char((0x560c892e10d0), 'D')
   Call: (200) [system] 'D'=')'
   Fail: (200) [system] 'D'=')'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _881274)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _883132)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
   Call: (202) [system] 'D'=(/)
   Fail: (202) [system] 'D'=(/)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _899142)
   Exit: (201) [system] get_char((0x560c892e10d0), 'D')
   Call: (201) [system] 'D'='('
   Fail: (201) [system] 'D'='('
   Call: (201) [system] 'D'='['
   Fail: (201) [system] 'D'='['
   Call: (201) [system] 'D'='{'
   Fail: (201) [system] 'D'='{'
   Call: (201) [system] 'D'='"'
   Fail: (201) [system] 'D'='"'
   Call: (201) [system] 'D'=!
   Fail: (201) [system] 'D'=!
   Call: (201) [system] 'D'='\''
   Fail: (201) [system] 'D'='\''
   Call: (201) [system] 'D'='`'
   Fail: (201) [system] 'D'='`'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), 'D', _881274)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _916784)
   Call: (203) [system] peek_char((0x560c892e10d0), _917718)
   Exit: (203) [system] peek_char((0x560c892e10d0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_922438, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_923370, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x560c892e10d0), i)
   Exit: (203) [system] get_char((0x560c892e10d0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _930720)
   Call: (204) [system] peek_char((0x560c892e10d0), _931654)
   Exit: (204) [system] peek_char((0x560c892e10d0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_936374, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_937306, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x560c892e10d0), s)
   Exit: (204) [system] get_char((0x560c892e10d0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _944656)
   Call: (205) [system] peek_char((0x560c892e10d0), _945590)
   Exit: (205) [system] peek_char((0x560c892e10d0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_950310, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_951242, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x560c892e10d0), j)
   Exit: (205) [system] get_char((0x560c892e10d0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _958592)
   Call: (206) [system] peek_char((0x560c892e10d0), _959526)
   Exit: (206) [system] peek_char((0x560c892e10d0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_964246, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_965178, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x560c892e10d0), u)
   Exit: (206) [system] get_char((0x560c892e10d0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _972528)
   Call: (207) [system] peek_char((0x560c892e10d0), _973462)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_978182, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_979114, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _986464)
   Call: (208) [system] peek_char((0x560c892e10d0), _987398)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_992118, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_993050, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x560c892e10d0), c)
   Exit: (208) [system] get_char((0x560c892e10d0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1000400)
   Call: (209) [system] peek_char((0x560c892e10d0), _1001334)
   Exit: (209) [system] peek_char((0x560c892e10d0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_1006054, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_1006986, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x560c892e10d0), t)
   Exit: (209) [system] get_char((0x560c892e10d0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014336)
   Call: (210) [system] peek_char((0x560c892e10d0), _1015270)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1019990, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1020922, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1028272)
   Call: (211) [system] peek_char((0x560c892e10d0), _1029206)
   Exit: (211) [system] peek_char((0x560c892e10d0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1033926, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1034858, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x560c892e10d0), o)
   Exit: (211) [system] get_char((0x560c892e10d0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1042208)
   Call: (212) [system] peek_char((0x560c892e10d0), _1043142)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1047862, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1048794, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1056144)
   Call: (213) [system] peek_char((0x560c892e10d0), _1057078)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1061798, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_1062730, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x560c892e10d0), 'I')
   Exit: (213) [system] get_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1070080)
   Call: (214) [system] peek_char((0x560c892e10d0), _1071014)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1075734, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1076666, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1084016)
   Call: (215) [system] peek_char((0x560c892e10d0), _1084950)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1089670, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1090602, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1097952)
   Call: (216) [system] peek_char((0x560c892e10d0), _1098886)
   Exit: (216) [system] peek_char((0x560c892e10d0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1103606, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1104538, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x560c892e10d0), r)
   Exit: (216) [system] get_char((0x560c892e10d0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1111888)
   Call: (217) [system] peek_char((0x560c892e10d0), _1112822)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1117542, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1118474, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1125824)
   Call: (218) [system] peek_char((0x560c892e10d0), _1126758)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1131478, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1132410, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1139760)
   Call: (219) [system] peek_char((0x560c892e10d0), _1140694)
   Exit: (219) [system] peek_char((0x560c892e10d0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1145414, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1146346, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x560c892e10d0), u)
   Exit: (219) [system] get_char((0x560c892e10d0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1153696)
   Call: (220) [system] peek_char((0x560c892e10d0), _1154630)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1159350, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1160282, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1167632)
   Call: (221) [system] peek_char((0x560c892e10d0), _1168566)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1173286, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1174218, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1181568)
   Call: (222) [system] peek_char((0x560c892e10d0), _1182502)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1187222, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1188154, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195504)
   Call: (223) [system] peek_char((0x560c892e10d0), _1196438)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1201158, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1202090, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209440)
   Call: (224) [system] peek_char((0x560c892e10d0), _1210374)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1215094, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1216026, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223376)
   Call: (225) [system] peek_char((0x560c892e10d0), _1224310)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1223376=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1209440=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (223) [system] _1195504=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (222) [system] _1181568=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (221) [system] _1167632=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (220) [system] _1153696=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (219) [system] _1139760=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (218) [system] _1125824=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (217) [system] _1111888=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1097952=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1084016=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1070080=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1056144=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1042208=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1028272=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1014336=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1000400=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _986464=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _972528=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _958592=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _944656=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _930720=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _916784=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _881274)
^  Call: (203) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1296014, _1296016), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062), _1295996, fail)), '$restore_trace'(_1296014, _1296016))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1296014, _1296016))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062), _1295996, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1295062)
   Fail: (204) [system] atomic(_1295062)
   Call: (204) [system] atom_chars(_1295062, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (203) [system] integer('DisjunctionIntroduction')
   Fail: (203) [system] integer('DisjunctionIntroduction')
   Call: (203) [system] _881274='DisjunctionIntroduction'
   Exit: (203) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (202) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1310012)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1311870)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1321464)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1324168)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1341102)
   Exit: (201) [system] peek_char((0x560c892e10d0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1346672)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1348530)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1364540)
   Exit: (202) [system] get_char((0x560c892e10d0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), a, _1346672)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382182)
   Call: (204) [system] peek_char((0x560c892e10d0), _1383116)
   Exit: (204) [system] peek_char((0x560c892e10d0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1387836, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1388768, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x560c892e10d0), b)
   Exit: (204) [system] get_char((0x560c892e10d0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1396118)
   Call: (205) [system] peek_char((0x560c892e10d0), _1397052)
   Exit: (205) [system] peek_char((0x560c892e10d0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1401772, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1402704, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x560c892e10d0), c)
   Exit: (205) [system] get_char((0x560c892e10d0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1410054)
   Call: (206) [system] peek_char((0x560c892e10d0), _1410988)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1410054=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (205) [system] _1396118=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (204) [system] _1382182=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _1346672)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _1425860)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1426812, _1426814), once(user:catch(read_from_chars([a, b, c], _1425860), _1426794, fail)), '$restore_trace'(_1426812, _1426814))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1426812, _1426814))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1426794, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _1346672=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1438940)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1440798)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1450392)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1453096)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1470030)
   Exit: (202) [system] peek_char((0x560c892e10d0), c)
   Call: (202) [system] c=')'
   Fail: (202) [system] c=')'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1475600)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1477458)
   Exit: (204) [system] peek_char((0x560c892e10d0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1493468)
   Exit: (203) [system] get_char((0x560c892e10d0), c)
   Call: (203) [system] c='('
   Fail: (203) [system] c='('
   Call: (203) [system] c='['
   Fail: (203) [system] c='['
   Call: (203) [system] c='{'
   Fail: (203) [system] c='{'
   Call: (203) [system] c='"'
   Fail: (203) [system] c='"'
   Call: (203) [system] c=!
   Fail: (203) [system] c=!
   Call: (203) [system] c='\''
   Fail: (203) [system] c='\''
   Call: (203) [system] c='`'
   Fail: (203) [system] c='`'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), c, _1475600)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511110)
   Call: (205) [system] peek_char((0x560c892e10d0), _1512044)
   Exit: (205) [system] peek_char((0x560c892e10d0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1516764, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1517696, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x560c892e10d0), d)
   Exit: (205) [system] get_char((0x560c892e10d0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1525046)
   Call: (206) [system] peek_char((0x560c892e10d0), _1525980)
   Exit: (206) [system] peek_char((0x560c892e10d0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1530700, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1531632, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x560c892e10d0), e)
   Exit: (206) [system] get_char((0x560c892e10d0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1538982)
   Call: (207) [system] peek_char((0x560c892e10d0), _1539916)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1544636, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1538982=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _1525046=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (205) [system] _1511110=[d, e]
   Exit: (205) [system] [d, e]=[d, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (204) [user] classify_and_convert_charseq([c, d, e], _1475600)
^  Call: (205) [user] classify_and_convert_charseq_([c, d, e], _1556660)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1557612, _1557614), once(user:catch(read_from_chars([c, d, e], _1556660), _1557594, fail)), '$restore_trace'(_1557612, _1557614))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1557612, _1557614))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1557594, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(cde)
   Exit: (206) [system] atomic(cde)
^  Exit: (205) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (205) [system] integer(cde)
   Fail: (205) [system] integer(cde)
   Call: (205) [system] _1475600=cde
   Exit: (205) [system] cde=cde
^  Exit: (204) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1569740)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1571598)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1587608)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _1591398)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _1569740=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _1438940=[cde]
   Exit: (202) [system] [cde]=[cde]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (201) [system] _1310012=[abc, cde]
   Exit: (201) [system] [abc, cde]=[abc, cde]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [abc, cde])
   Call: (200) [system] _836256=['DisjunctionIntroduction', abc, cde]
   Exit: (200) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1605280)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1607138)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1616732)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1619436)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1636370)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1641940)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1643798)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1659808)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1641940)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1665378)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1681388)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1686958)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1688816)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1704826)
   Exit: (202) [system] get_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1686958)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1722468)
   Call: (204) [system] peek_char((0x560c892e10d0), _1723402)
   Exit: (204) [system] peek_char((0x560c892e10d0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1728122, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1729054, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x560c892e10d0), r)
   Exit: (204) [system] get_char((0x560c892e10d0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1736404)
   Call: (205) [system] peek_char((0x560c892e10d0), _1737338)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1742058, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1742990, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x560c892e10d0), 'L')
   Exit: (205) [system] get_char((0x560c892e10d0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1750340)
   Call: (206) [system] peek_char((0x560c892e10d0), _1751274)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1755994, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1756926, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1764276)
   Call: (207) [system] peek_char((0x560c892e10d0), _1765210)
   Exit: (207) [system] peek_char((0x560c892e10d0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1769930, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1770862, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x560c892e10d0), n)
   Exit: (207) [system] get_char((0x560c892e10d0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778212)
   Call: (208) [system] peek_char((0x560c892e10d0), _1779146)
   Exit: (208) [system] peek_char((0x560c892e10d0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1783866, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1784798, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x560c892e10d0), k)
   Exit: (208) [system] get_char((0x560c892e10d0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792148)
   Call: (209) [system] peek_char((0x560c892e10d0), _1793082)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1792148=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1778212=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (207) [system] _1764276=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (206) [system] _1750340=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (205) [system] _1736404=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (204) [system] _1722468=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1686958)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1816336)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1817288, _1817290), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1816336), _1817270, fail)), '$restore_trace'(_1817288, _1817290))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1817288, _1817290))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1816336), _1817270, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1816336)
   Fail: (205) [system] atomic(_1816336)
   Call: (205) [system] atom_chars(_1816336, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _1686958='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1831286)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1833144)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1842738)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1845442)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1862376)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1867946)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1869804)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1885814)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1867946)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1891384)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1907394)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1912964)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1914822)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1930832)
   Exit: (205) [system] get_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1912964)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1948474)
   Call: (207) [system] peek_char((0x560c892e10d0), _1949408)
   Exit: (207) [system] peek_char((0x560c892e10d0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1954128, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1955060, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x560c892e10d0), m)
   Exit: (207) [system] get_char((0x560c892e10d0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1962410)
   Call: (208) [system] peek_char((0x560c892e10d0), _1963344)
   Exit: (208) [system] peek_char((0x560c892e10d0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1968064, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1968996, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x560c892e10d0), p)
   Exit: (208) [system] get_char((0x560c892e10d0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1976346)
   Call: (209) [system] peek_char((0x560c892e10d0), _1977280)
   Exit: (209) [system] peek_char((0x560c892e10d0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1982000, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1982932, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x560c892e10d0), l)
   Exit: (209) [system] get_char((0x560c892e10d0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1990282)
   Call: (210) [system] peek_char((0x560c892e10d0), _1991216)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1995936, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1996868, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2004218)
   Call: (211) [system] peek_char((0x560c892e10d0), _2005152)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_2009872, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_2010804, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2018154)
   Call: (212) [system] peek_char((0x560c892e10d0), _2019088)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_2023808, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_2024740, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x560c892e10d0), a)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2032090)
   Call: (213) [system] peek_char((0x560c892e10d0), _2033024)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2037744, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2038676, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2046026)
   Call: (214) [system] peek_char((0x560c892e10d0), _2046960)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2051680, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2052612, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2059962)
   Call: (215) [system] peek_char((0x560c892e10d0), _2060896)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2065616, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2066548, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2073898)
   Call: (216) [system] peek_char((0x560c892e10d0), _2074832)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2079552, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2080484, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2087834)
   Call: (217) [system] peek_char((0x560c892e10d0), _2088768)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2087834=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _3954=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (215) [system] _3950=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (214) [system] _3946=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (213) [system] _3942=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (212) [system] _3938=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (211) [system] _3934=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (210) [system] _3930=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (209) [system] _3926=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _3922=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _3918=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3914)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _33190)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_34142, _34144), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _33190), _34124, fail)), '$restore_trace'(_34142, _34144))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_34142, _34144))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _33190), _34124, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_33190)
   Fail: (208) [system] atomic(_33190)
   Call: (208) [system] atom_chars(_33190, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _3914='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _48140)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _49998)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _59592)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _62296)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _79230)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _84800)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _86658)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _102668)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _84800)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _108238)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _124248)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _129818)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _131676)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _147686)
   Exit: (208) [system] get_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', _129818)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _165328)
   Call: (210) [system] peek_char((0x560c892e10d0), _166262)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_170982, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_171914, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _179264)
   Call: (211) [system] peek_char((0x560c892e10d0), _180198)
   Exit: (211) [system] peek_char((0x560c892e10d0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_184918, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_185850, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x560c892e10d0), d)
   Exit: (211) [system] get_char((0x560c892e10d0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _193200)
   Call: (212) [system] peek_char((0x560c892e10d0), _194134)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_198854, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_199786, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _207136)
   Call: (213) [system] peek_char((0x560c892e10d0), _208070)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_212790, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_213722, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _221072)
   Call: (214) [system] peek_char((0x560c892e10d0), _222006)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_226726, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_227658, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _235008)
   Call: (215) [system] peek_char((0x560c892e10d0), _235942)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_240662, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_241594, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _248944)
   Call: (216) [system] peek_char((0x560c892e10d0), _249878)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _248944=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _235008=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _221072=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _207136=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _193200=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _179264=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (210) [system] _165328=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _129818)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _275926)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_276878, _276880), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _275926), _276860, fail)), '$restore_trace'(_276878, _276880))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_276878, _276880))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _275926), _276860, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_275926)
   Fail: (211) [system] atomic(_275926)
   Call: (211) [system] atom_chars(_275926, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _129818='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _290876)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _292734)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _302328)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _305032)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _321966)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _327536)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _329394)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _345404)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _327536)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _363046)
   Call: (211) [system] peek_char((0x560c892e10d0), _363980)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _363046=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _327536)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _373264)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_374216, _374218), once(user:catch(read_from_chars(['A'], _373264), _374198, fail)), '$restore_trace'(_374216, _374218))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_374216, _374218))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _373264), _374198, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_373264)
   Fail: (212) [system] atomic(_373264)
   Call: (212) [system] atom_chars(_373264, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _327536='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _388214)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _390072)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _399666)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _402370)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _419304)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _424874)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _426732)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _442742)
   Exit: (210) [system] get_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'B', _424874)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _460384)
   Call: (212) [system] peek_char((0x560c892e10d0), _461318)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_466038, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _460384=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _424874)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _472474)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_473426, _473428), once(user:catch(read_from_chars(['B'], _472474), _473408, fail)), '$restore_trace'(_473426, _473428))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_473426, _473428))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _472474), _473408, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_472474)
   Fail: (213) [system] atomic(_472474)
   Call: (213) [system] atom_chars(_472474, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _424874='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _487424)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _489282)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _505292)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _509082)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _487424=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _388214=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (208) [system] _290876=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (207) [system] _84800=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _522964)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _524822)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _534416)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _537120)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _554054)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _559624)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _561482)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _577492)
   Exit: (207) [system] get_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', _559624)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _595134)
   Call: (209) [system] peek_char((0x560c892e10d0), _596068)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_600788, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _595134=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _559624)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _607224)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_608176, _608178), once(user:catch(read_from_chars(['C'], _607224), _608158, fail)), '$restore_trace'(_608176, _608178))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_608176, _608178))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _607224), _608158, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_607224)
   Fail: (210) [system] atomic(_607224)
   Call: (210) [system] atom_chars(_607224, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _559624='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _622174)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _624032)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _640042)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _643832)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _622174=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _522964=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (205) [system] _48140=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _3908=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _657714)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _659572)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _669166)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _671870)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _688804)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _694374)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _696232)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _712242)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _694374)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _717812)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _733822)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _739392)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _741250)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _757260)
   Exit: (206) [system] get_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', _739392)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _774902)
   Call: (208) [system] peek_char((0x560c892e10d0), _775836)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_780556, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_781488, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _788838)
   Call: (209) [system] peek_char((0x560c892e10d0), _789772)
   Exit: (209) [system] peek_char((0x560c892e10d0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_794492, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_795424, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x560c892e10d0), p)
   Exit: (209) [system] get_char((0x560c892e10d0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _802774)
   Call: (210) [system] peek_char((0x560c892e10d0), _803708)
   Exit: (210) [system] peek_char((0x560c892e10d0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_808428, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_809360, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x560c892e10d0), l)
   Exit: (210) [system] get_char((0x560c892e10d0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _816710)
   Call: (211) [system] peek_char((0x560c892e10d0), _817644)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_822364, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_823296, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _830646)
   Call: (212) [system] peek_char((0x560c892e10d0), _831580)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_836300, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_837232, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _844582)
   Call: (213) [system] peek_char((0x560c892e10d0), _845516)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_850236, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_851168, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x560c892e10d0), a)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _858518)
   Call: (214) [system] peek_char((0x560c892e10d0), _859452)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_864172, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_865104, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _872454)
   Call: (215) [system] peek_char((0x560c892e10d0), _873388)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_878108, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_879040, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _886390)
   Call: (216) [system] peek_char((0x560c892e10d0), _887324)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_892044, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_892976, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _900326)
   Call: (217) [system] peek_char((0x560c892e10d0), _901260)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_905980, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_906912, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _914262)
   Call: (218) [system] peek_char((0x560c892e10d0), _915196)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _914262=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _900326=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (216) [system] _886390=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (215) [system] _872454=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (214) [system] _858518=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (213) [system] _844582=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (212) [system] _830646=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (211) [system] _816710=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (210) [system] _802774=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _788838=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _774902=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _739392)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _952420)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_953372, _953374), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _952420), _953354, fail)), '$restore_trace'(_953372, _953374))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_953372, _953374))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _952420), _953354, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_952420)
   Fail: (209) [system] atomic(_952420)
   Call: (209) [system] atom_chars(_952420, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _739392='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _967370)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _969228)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _978822)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _981526)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _998460)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1004030)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1005888)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1021898)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1004030)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1027468)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1043478)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1049048)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1050906)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1066916)
   Exit: (209) [system] get_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1049048)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1084558)
   Call: (211) [system] peek_char((0x560c892e10d0), _1085492)
   Exit: (211) [system] peek_char((0x560c892e10d0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1090212, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1091144, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x560c892e10d0), r)
   Exit: (211) [system] get_char((0x560c892e10d0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1098494)
   Call: (212) [system] peek_char((0x560c892e10d0), _1099428)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1104148, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1105080, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1112430)
   Call: (213) [system] peek_char((0x560c892e10d0), _1113364)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1118084, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1119016, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126366)
   Call: (214) [system] peek_char((0x560c892e10d0), _1127300)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1132020, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1132952, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1140302)
   Call: (215) [system] peek_char((0x560c892e10d0), _1141236)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1145956, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1146888, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1154238)
   Call: (216) [system] peek_char((0x560c892e10d0), _1155172)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1154238=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1140302=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _1126366=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _1112430=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _1098494=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _1084558=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1049048)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1178426)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1179378, _1179380), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1178426), _1179360, fail)), '$restore_trace'(_1179378, _1179380))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1179378, _1179380))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1178426), _1179360, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1178426)
   Fail: (212) [system] atomic(_1178426)
   Call: (212) [system] atom_chars(_1178426, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _1049048='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1193376)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1195234)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1204828)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1207532)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1224466)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1230036)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1231894)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1247904)
   Exit: (210) [system] get_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1230036)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1265546)
   Call: (212) [system] peek_char((0x560c892e10d0), _1266480)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1265546=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1230036)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1275764)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1276716, _1276718), once(user:catch(read_from_chars(['C'], _1275764), _1276698, fail)), '$restore_trace'(_1276716, _1276718))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1276716, _1276718))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1275764), _1276698, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1275764)
   Fail: (213) [system] atomic(_1275764)
   Call: (213) [system] atom_chars(_1275764, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1230036='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1290714)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1292572)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1302166)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1304870)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1321804)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1327374)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1329232)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1345242)
   Exit: (211) [system] get_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1327374)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1362884)
   Call: (213) [system] peek_char((0x560c892e10d0), _1363818)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1368538, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1362884=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['D'], _1327374)
^  Call: (213) [user] classify_and_convert_charseq_(['D'], _1374974)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1375926, _1375928), once(user:catch(read_from_chars(['D'], _1374974), _1375908, fail)), '$restore_trace'(_1375926, _1375928))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1375926, _1375928))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1374974), _1375908, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1374974)
   Fail: (214) [system] atomic(_1374974)
   Call: (214) [system] atom_chars(_1374974, ['D'])
   Exit: (214) [system] atom_chars('D', ['D'])
^  Exit: (213) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (213) [system] integer('D')
   Fail: (213) [system] integer('D')
   Call: (213) [system] _1327374='D'
   Exit: (213) [system] 'D'='D'
^  Exit: (212) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1389924)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1391782)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1407792)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1411582)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1389924=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _1290714=['D']
   Exit: (210) [system] ['D']=['D']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (209) [system] _1193376=['C', 'D']
   Exit: (209) [system] ['C', 'D']=['C', 'D']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (208) [system] _1004030=['OrLink', 'C', 'D']
   Exit: (208) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1425464)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1427322)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1436916)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1439620)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1456554)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'E')
   Call: (207) [system] 'E'=')'
   Fail: (207) [system] 'E'=')'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1462124)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1463982)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1479992)
   Exit: (208) [system] get_char((0x560c892e10d0), 'E')
   Call: (208) [system] 'E'='('
   Fail: (208) [system] 'E'='('
   Call: (208) [system] 'E'='['
   Fail: (208) [system] 'E'='['
   Call: (208) [system] 'E'='{'
   Fail: (208) [system] 'E'='{'
   Call: (208) [system] 'E'='"'
   Fail: (208) [system] 'E'='"'
   Call: (208) [system] 'E'=!
   Fail: (208) [system] 'E'=!
   Call: (208) [system] 'E'='\''
   Fail: (208) [system] 'E'='\''
   Call: (208) [system] 'E'='`'
   Fail: (208) [system] 'E'='`'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1462124)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497634)
   Call: (210) [system] peek_char((0x560c892e10d0), _1498568)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1503288, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1497634=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['E'], _1462124)
^  Call: (210) [user] classify_and_convert_charseq_(['E'], _1509724)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1510676, _1510678), once(user:catch(read_from_chars(['E'], _1509724), _1510658, fail)), '$restore_trace'(_1510676, _1510678))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1510676, _1510678))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1509724), _1510658, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1509724)
   Fail: (211) [system] atomic(_1509724)
   Call: (211) [system] atom_chars(_1509724, ['E'])
   Exit: (211) [system] atom_chars('E', ['E'])
^  Exit: (210) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (210) [system] integer('E')
   Fail: (210) [system] integer('E')
   Call: (210) [system] _1462124='E'
   Exit: (210) [system] 'E'='E'
^  Exit: (209) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1524674)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1526532)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1542542)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1546332)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1524674=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _1425464=['E']
   Exit: (207) [system] ['E']=['E']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (206) [system] _967370=[['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (205) [system] _694374=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1560214)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1562072)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1578082)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1581872)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1560214=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _657714=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (203) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (202) [system] _3904=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3896=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1595754)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1597612)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1613622)
   Exit: (200) [system] peek_char((0x560c892e10d0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x560c892e10d0), _1617412)
   Exit: (200) [system] get_char((0x560c892e10d0), ')')
   Call: (200) [system] _1595754=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [])
   Call: (199) [system] _3892=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (199) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (198) [system] _3868=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3860=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (195) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (195) [user] read_list(')', (0x560c892e10d0), _1631294)
^  Call: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1633152)
   Exit: (197) [system] peek_char((0x560c892e10d0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x560c892e10d0), _1644602)
   Exit: (197) [system] get_char((0x560c892e10d0), '\n')
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1647306)
   Exit: (198) [system] peek_char((0x560c892e10d0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x560c892e10d0), _1656900)
   Exit: (198) [system] get_char((0x560c892e10d0), ' ')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1659604)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
^  Exit: (196) [user] skip_spaces((0x560c892e10d0))
   Call: (196) [system] peek_char((0x560c892e10d0), _1677462)
   Exit: (196) [system] peek_char((0x560c892e10d0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x560c892e10d0), _1683032)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1684890)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] get_char((0x560c892e10d0), _1700900)
   Exit: (197) [system] get_char((0x560c892e10d0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _1683032)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1706470)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1722480)
   Exit: (198) [system] peek_char((0x560c892e10d0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _1728050)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1729908)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _1745918)
   Exit: (199) [system] get_char((0x560c892e10d0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x560c892e10d0), :, _1728050)
^  Call: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), _1763560)
   Call: (201) [system] peek_char((0x560c892e10d0), _1764494)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1763560=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _1728050)
^  Call: (201) [user] classify_and_convert_charseq_([:], _1773778)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1774730, _1774732), once(user:catch(read_from_chars([:], _1773778), _1774712, fail)), '$restore_trace'(_1774730, _1774732))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1774730, _1774732))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1774712, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _1728050=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1786858)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1788716)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _1798310)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1801014)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1817948)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1823518)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1825376)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1841386)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1823518)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1846956)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
   Call: (202) [system] 'D'=(/)
   Fail: (202) [system] 'D'=(/)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1862966)
   Exit: (201) [system] peek_char((0x560c892e10d0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1868536)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1870394)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1886404)
   Exit: (202) [system] get_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1868536)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904046)
   Call: (204) [system] peek_char((0x560c892e10d0), _1904980)
   Exit: (204) [system] peek_char((0x560c892e10d0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1909700, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1910632, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x560c892e10d0), i)
   Exit: (204) [system] get_char((0x560c892e10d0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917982)
   Call: (205) [system] peek_char((0x560c892e10d0), _1918916)
   Exit: (205) [system] peek_char((0x560c892e10d0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1923636, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1924568, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x560c892e10d0), s)
   Exit: (205) [system] get_char((0x560c892e10d0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931918)
   Call: (206) [system] peek_char((0x560c892e10d0), _1932852)
   Exit: (206) [system] peek_char((0x560c892e10d0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_1937572, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_1938504, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x560c892e10d0), j)
   Exit: (206) [system] get_char((0x560c892e10d0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1945854)
   Call: (207) [system] peek_char((0x560c892e10d0), _1946788)
   Exit: (207) [system] peek_char((0x560c892e10d0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1951508, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1952440, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x560c892e10d0), u)
   Exit: (207) [system] get_char((0x560c892e10d0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1959790)
   Call: (208) [system] peek_char((0x560c892e10d0), _1960724)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1965444, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1966376, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1973726)
   Call: (209) [system] peek_char((0x560c892e10d0), _1974660)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1979380, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1980312, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1987662)
   Call: (210) [system] peek_char((0x560c892e10d0), _1988596)
   Exit: (210) [system] peek_char((0x560c892e10d0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1993316, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1994248, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x560c892e10d0), t)
   Exit: (210) [system] get_char((0x560c892e10d0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _2001598)
   Call: (211) [system] peek_char((0x560c892e10d0), _2002532)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_2007252, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_2008184, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2015534)
   Call: (212) [system] peek_char((0x560c892e10d0), _2016468)
   Exit: (212) [system] peek_char((0x560c892e10d0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_2021188, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_2022120, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x560c892e10d0), o)
   Exit: (212) [system] get_char((0x560c892e10d0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2029470)
   Call: (213) [system] peek_char((0x560c892e10d0), _2030404)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2035124, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_2036056, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2043406)
   Call: (214) [system] peek_char((0x560c892e10d0), _2044340)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_2049060, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_2049992, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x560c892e10d0), 'I')
   Exit: (214) [system] get_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2057342)
   Call: (215) [system] peek_char((0x560c892e10d0), _2058276)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2062996, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_2063928, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2071278)
   Call: (216) [system] peek_char((0x560c892e10d0), _2072212)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_2076932, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_2077864, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2085214)
   Call: (217) [system] peek_char((0x560c892e10d0), _2086148)
   Exit: (217) [system] peek_char((0x560c892e10d0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_2090868, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_2091800, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x560c892e10d0), r)
   Exit: (217) [system] get_char((0x560c892e10d0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _6454)
   Call: (218) [system] peek_char((0x560c892e10d0), _7388)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_12108, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_13040, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _20390)
   Call: (219) [system] peek_char((0x560c892e10d0), _21324)
   Exit: (219) [system] peek_char((0x560c892e10d0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_26044, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_26976, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x560c892e10d0), d)
   Exit: (219) [system] get_char((0x560c892e10d0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _34326)
   Call: (220) [system] peek_char((0x560c892e10d0), _35260)
   Exit: (220) [system] peek_char((0x560c892e10d0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_39980, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_40912, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x560c892e10d0), u)
   Exit: (220) [system] get_char((0x560c892e10d0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _48262)
   Call: (221) [system] peek_char((0x560c892e10d0), _49196)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_53916, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_54848, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _62198)
   Call: (222) [system] peek_char((0x560c892e10d0), _63132)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_67852, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_68784, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _76134)
   Call: (223) [system] peek_char((0x560c892e10d0), _77068)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_81788, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_82720, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _90070)
   Call: (224) [system] peek_char((0x560c892e10d0), _91004)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_95724, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_96656, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _104006)
   Call: (225) [system] peek_char((0x560c892e10d0), _104940)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_109660, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_110592, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _117942)
   Call: (226) [system] peek_char((0x560c892e10d0), _118876)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _117942=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _104006=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (224) [system] _90070=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (223) [system] _76134=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (222) [system] _62198=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (221) [system] _48262=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (220) [system] _34326=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (219) [system] _20390=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (218) [system] _6454=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _4066=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4062=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4054=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4050=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4046=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4042=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4038=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4034=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4030=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4026=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4022=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4018=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _4014=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4010)
^  Call: (204) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_190580, _190582), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628), _190562, fail)), '$restore_trace'(_190580, _190582))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_190580, _190582))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628), _190562, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_189628)
   Fail: (205) [system] atomic(_189628)
   Call: (205) [system] atom_chars(_189628, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (204) [system] integer('DisjunctionIntroduction')
   Fail: (204) [system] integer('DisjunctionIntroduction')
   Call: (204) [system] _4010='DisjunctionIntroduction'
   Exit: (204) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (203) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _204578)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _206436)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _216030)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _218734)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _235668)
   Exit: (202) [system] peek_char((0x560c892e10d0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _241238)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _243096)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _259106)
   Exit: (203) [system] get_char((0x560c892e10d0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), a, _241238)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _276748)
   Call: (205) [system] peek_char((0x560c892e10d0), _277682)
   Exit: (205) [system] peek_char((0x560c892e10d0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_282402, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_283334, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x560c892e10d0), b)
   Exit: (205) [system] get_char((0x560c892e10d0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _290684)
   Call: (206) [system] peek_char((0x560c892e10d0), _291618)
   Exit: (206) [system] peek_char((0x560c892e10d0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_296338, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_297270, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x560c892e10d0), c)
   Exit: (206) [system] get_char((0x560c892e10d0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _304620)
   Call: (207) [system] peek_char((0x560c892e10d0), _305554)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _304620=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (206) [system] _290684=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (205) [system] _276748=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq([a, b, c], _241238)
^  Call: (205) [user] classify_and_convert_charseq_([a, b, c], _320426)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_321378, _321380), once(user:catch(read_from_chars([a, b, c], _320426), _321360, fail)), '$restore_trace'(_321378, _321380))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_321378, _321380))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _321360, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (205) [system] integer(abc)
   Fail: (205) [system] integer(abc)
   Call: (205) [system] _241238=abc
   Exit: (205) [system] abc=abc
^  Exit: (204) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _333506)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _335364)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _344958)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _347662)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _364596)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _370166)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _372024)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _388034)
   Exit: (204) [system] get_char((0x560c892e10d0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), a, _370166)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _405676)
   Call: (206) [system] peek_char((0x560c892e10d0), _406610)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_411330, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _405676=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq([a], _370166)
^  Call: (206) [user] classify_and_convert_charseq_([a], _417766)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_418718, _418720), once(user:catch(read_from_chars([a], _417766), _418700, fail)), '$restore_trace'(_418718, _418720))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_418718, _418720))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _418700, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(a)
   Exit: (207) [system] atomic(a)
^  Exit: (206) [user] classify_and_convert_charseq_([a], a)
   Call: (206) [system] integer(a)
   Fail: (206) [system] integer(a)
   Call: (206) [system] _370166=a
   Exit: (206) [system] a=a
^  Exit: (205) [user] classify_and_convert_charseq([a], a)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _430846)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _432704)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _448714)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _452504)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _430846=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _333506=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (202) [system] _204578=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (201) [system] _4004=['DisjunctionIntroduction', abc, a]
   Exit: (201) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _466386)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _468244)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _477838)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _480542)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _497476)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _503046)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _504904)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _520914)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _503046)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _526484)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _542494)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'O')
   Call: (202) [system] 'O'=')'
   Fail: (202) [system] 'O'=')'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _548064)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _549922)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
   Call: (204) [system] 'O'=(/)
   Fail: (204) [system] 'O'=(/)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _565932)
   Exit: (203) [system] get_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'='('
   Fail: (203) [system] 'O'='('
   Call: (203) [system] 'O'='['
   Fail: (203) [system] 'O'='['
   Call: (203) [system] 'O'='{'
   Fail: (203) [system] 'O'='{'
   Call: (203) [system] 'O'='"'
   Fail: (203) [system] 'O'='"'
   Call: (203) [system] 'O'=!
   Fail: (203) [system] 'O'=!
   Call: (203) [system] 'O'='\''
   Fail: (203) [system] 'O'='\''
   Call: (203) [system] 'O'='`'
   Fail: (203) [system] 'O'='`'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'O', _548064)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _583574)
   Call: (205) [system] peek_char((0x560c892e10d0), _584508)
   Exit: (205) [system] peek_char((0x560c892e10d0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_589228, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_590160, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x560c892e10d0), r)
   Exit: (205) [system] get_char((0x560c892e10d0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _597510)
   Call: (206) [system] peek_char((0x560c892e10d0), _598444)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_603164, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_604096, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x560c892e10d0), 'L')
   Exit: (206) [system] get_char((0x560c892e10d0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _611446)
   Call: (207) [system] peek_char((0x560c892e10d0), _612380)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_617100, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_618032, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _625382)
   Call: (208) [system] peek_char((0x560c892e10d0), _626316)
   Exit: (208) [system] peek_char((0x560c892e10d0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_631036, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_631968, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x560c892e10d0), n)
   Exit: (208) [system] get_char((0x560c892e10d0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _639318)
   Call: (209) [system] peek_char((0x560c892e10d0), _640252)
   Exit: (209) [system] peek_char((0x560c892e10d0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_644972, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_645904, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x560c892e10d0), k)
   Exit: (209) [system] get_char((0x560c892e10d0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _653254)
   Call: (210) [system] peek_char((0x560c892e10d0), _654188)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _653254=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _639318=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (208) [system] _625382=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (207) [system] _611446=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (206) [system] _597510=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (205) [system] _583574=[r, 'L', i, n, k]
   Exit: (205) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _548064)
^  Call: (205) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _677442)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_678394, _678396), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _677442), _678376, fail)), '$restore_trace'(_678394, _678396))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_678394, _678396))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _677442), _678376, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_677442)
   Fail: (206) [system] atomic(_677442)
   Call: (206) [system] atom_chars(_677442, ['O', r, 'L', i, n, k])
   Exit: (206) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (205) [system] integer('OrLink')
   Fail: (205) [system] integer('OrLink')
   Call: (205) [system] _548064='OrLink'
   Exit: (205) [system] 'OrLink'='OrLink'
^  Exit: (204) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _692392)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _694250)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _703844)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _706548)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _723482)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _729052)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _730910)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _746920)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _729052)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _752490)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _768500)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _774070)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _775928)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _791938)
   Exit: (206) [system] get_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', _774070)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _809580)
   Call: (208) [system] peek_char((0x560c892e10d0), _810514)
   Exit: (208) [system] peek_char((0x560c892e10d0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_815234, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_816166, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x560c892e10d0), m)
   Exit: (208) [system] get_char((0x560c892e10d0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _823516)
   Call: (209) [system] peek_char((0x560c892e10d0), _824450)
   Exit: (209) [system] peek_char((0x560c892e10d0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_829170, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_830102, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x560c892e10d0), p)
   Exit: (209) [system] get_char((0x560c892e10d0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _837452)
   Call: (210) [system] peek_char((0x560c892e10d0), _838386)
   Exit: (210) [system] peek_char((0x560c892e10d0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_843106, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_844038, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x560c892e10d0), l)
   Exit: (210) [system] get_char((0x560c892e10d0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _851388)
   Call: (211) [system] peek_char((0x560c892e10d0), _852322)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_857042, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_857974, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _865324)
   Call: (212) [system] peek_char((0x560c892e10d0), _866258)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_870978, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_871910, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _879260)
   Call: (213) [system] peek_char((0x560c892e10d0), _880194)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_884914, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_885846, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x560c892e10d0), a)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _893196)
   Call: (214) [system] peek_char((0x560c892e10d0), _894130)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_898850, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_899782, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _907132)
   Call: (215) [system] peek_char((0x560c892e10d0), _908066)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_912786, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_913718, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _921068)
   Call: (216) [system] peek_char((0x560c892e10d0), _922002)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_926722, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_927654, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _935004)
   Call: (217) [system] peek_char((0x560c892e10d0), _935938)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_940658, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_941590, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _948940)
   Call: (218) [system] peek_char((0x560c892e10d0), _949874)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _948940=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _935004=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (216) [system] _921068=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (215) [system] _907132=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (214) [system] _893196=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (213) [system] _879260=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (212) [system] _865324=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (211) [system] _851388=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (210) [system] _837452=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _823516=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _809580=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _774070)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _987098)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_988050, _988052), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _987098), _988032, fail)), '$restore_trace'(_988050, _988052))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_988050, _988052))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _987098), _988032, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_987098)
   Fail: (209) [system] atomic(_987098)
   Call: (209) [system] atom_chars(_987098, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _774070='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1002048)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1003906)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1013500)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1016204)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1033138)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1038708)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1040566)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1056576)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1038708)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1062146)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1078156)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1083726)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1085584)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1101594)
   Exit: (209) [system] get_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1083726)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1119236)
   Call: (211) [system] peek_char((0x560c892e10d0), _1120170)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1124890, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1125822, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1133172)
   Call: (212) [system] peek_char((0x560c892e10d0), _1134106)
   Exit: (212) [system] peek_char((0x560c892e10d0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1138826, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_1139758, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x560c892e10d0), d)
   Exit: (212) [system] get_char((0x560c892e10d0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1147108)
   Call: (213) [system] peek_char((0x560c892e10d0), _1148042)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1152762, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1153694, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1161044)
   Call: (214) [system] peek_char((0x560c892e10d0), _1161978)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1166698, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1167630, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1174980)
   Call: (215) [system] peek_char((0x560c892e10d0), _1175914)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1180634, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1181566, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1188916)
   Call: (216) [system] peek_char((0x560c892e10d0), _1189850)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1194570, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1195502, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1202852)
   Call: (217) [system] peek_char((0x560c892e10d0), _1203786)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1202852=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _1188916=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _1174980=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _1161044=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _1147108=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _1133172=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (211) [system] _1119236=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1083726)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1229834)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1230786, _1230788), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1229834), _1230768, fail)), '$restore_trace'(_1230786, _1230788))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1230786, _1230788))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1229834), _1230768, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1229834)
   Fail: (212) [system] atomic(_1229834)
   Call: (212) [system] atom_chars(_1229834, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _1083726='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1244784)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1246642)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1256236)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1258940)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1275874)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1281444)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1283302)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1299312)
   Exit: (210) [system] get_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1281444)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1316954)
   Call: (212) [system] peek_char((0x560c892e10d0), _1317888)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1316954=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _1281444)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _1327172)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1328124, _1328126), once(user:catch(read_from_chars(['A'], _1327172), _1328106, fail)), '$restore_trace'(_1328124, _1328126))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1328124, _1328126))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1327172), _1328106, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1327172)
   Fail: (213) [system] atomic(_1327172)
   Call: (213) [system] atom_chars(_1327172, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _1281444='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1342122)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1343980)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1353574)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1356278)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1373212)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1378782)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1380640)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1396650)
   Exit: (211) [system] get_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1378782)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414292)
   Call: (213) [system] peek_char((0x560c892e10d0), _1415226)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1419946, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1414292=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _1378782)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _1426382)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1427334, _1427336), once(user:catch(read_from_chars(['B'], _1426382), _1427316, fail)), '$restore_trace'(_1427334, _1427336))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1427334, _1427336))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1426382), _1427316, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1426382)
   Fail: (214) [system] atomic(_1426382)
   Call: (214) [system] atom_chars(_1426382, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _1378782='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1441332)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1443190)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1459200)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1462990)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1441332=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _1342122=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (209) [system] _1244784=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (208) [system] _1038708=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1476872)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1478730)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1488324)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1491028)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1507962)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1513532)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1515390)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1531400)
   Exit: (208) [system] get_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1513532)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1549042)
   Call: (210) [system] peek_char((0x560c892e10d0), _1549976)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1554696, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1549042=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _1513532)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _1561132)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1562084, _1562086), once(user:catch(read_from_chars(['C'], _1561132), _1562066, fail)), '$restore_trace'(_1562084, _1562086))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1562084, _1562086))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1561132), _1562066, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1561132)
   Fail: (211) [system] atomic(_1561132)
   Call: (211) [system] atom_chars(_1561132, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _1513532='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1576082)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1577940)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1593950)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1597740)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1576082=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _1476872=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (206) [system] _1002048=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _729052=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1611622)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1613480)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1623074)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1625778)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1642712)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1648282)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1650140)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1666150)
   Exit: (205) [system] get_char((0x560c892e10d0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1648282)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683792)
   Call: (207) [system] peek_char((0x560c892e10d0), _1684726)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1689446, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1683792=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq(['A'], _1648282)
^  Call: (207) [user] classify_and_convert_charseq_(['A'], _1695882)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1696834, _1696836), once(user:catch(read_from_chars(['A'], _1695882), _1696816, fail)), '$restore_trace'(_1696834, _1696836))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1696834, _1696836))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1695882), _1696816, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1695882)
   Fail: (208) [system] atomic(_1695882)
   Call: (208) [system] atom_chars(_1695882, ['A'])
   Exit: (208) [system] atom_chars('A', ['A'])
^  Exit: (207) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (207) [system] integer('A')
   Fail: (207) [system] integer('A')
   Call: (207) [system] _1648282='A'
   Exit: (207) [system] 'A'='A'
^  Exit: (206) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1710832)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1712690)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1728700)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1732490)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1710832=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _1611622=['A']
   Exit: (204) [system] ['A']=['A']
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (203) [system] _692392=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (202) [system] _503046=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1746372)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1748230)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1764240)
   Exit: (201) [system] peek_char((0x560c892e10d0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x560c892e10d0), _1768030)
   Exit: (201) [system] get_char((0x560c892e10d0), ')')
   Call: (201) [system] _1746372=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [])
   Call: (200) [system] _466386=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (200) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (199) [system] _4000=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3992=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (196) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (196) [user] read_list(')', (0x560c892e10d0), _1781912)
^  Call: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _1783770)
   Exit: (198) [system] peek_char((0x560c892e10d0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x560c892e10d0), _1795220)
   Exit: (198) [system] get_char((0x560c892e10d0), '\n')
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1797924)
   Exit: (199) [system] peek_char((0x560c892e10d0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x560c892e10d0), _1807518)
   Exit: (199) [system] get_char((0x560c892e10d0), ' ')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1810222)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
^  Exit: (197) [user] skip_spaces((0x560c892e10d0))
   Call: (197) [system] peek_char((0x560c892e10d0), _1828080)
   Exit: (197) [system] peek_char((0x560c892e10d0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x560c892e10d0), _1833650)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1835508)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] get_char((0x560c892e10d0), _1851518)
   Exit: (198) [system] get_char((0x560c892e10d0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _1833650)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1857088)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _1873098)
   Exit: (199) [system] peek_char((0x560c892e10d0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _1878668)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1880526)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _1896536)
   Exit: (200) [system] get_char((0x560c892e10d0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x560c892e10d0), :, _1878668)
^  Call: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), _1914178)
   Call: (202) [system] peek_char((0x560c892e10d0), _1915112)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1914178=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1878668)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1924396)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1925348, _1925350), once(user:catch(read_from_chars([:], _1924396), _1925330, fail)), '$restore_trace'(_1925348, _1925350))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1925348, _1925350))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1925330, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1878668=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1937476)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1939334)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _1948928)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1951632)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1968566)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1974136)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1975994)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1992004)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1974136)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1997574)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2013584)
   Exit: (202) [system] peek_char((0x560c892e10d0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _2019154)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2021012)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _2037022)
   Exit: (203) [system] get_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), 'D', _2019154)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _2054664)
   Call: (205) [system] peek_char((0x560c892e10d0), _2055598)
   Exit: (205) [system] peek_char((0x560c892e10d0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2060318, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2061250, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x560c892e10d0), i)
   Exit: (205) [system] get_char((0x560c892e10d0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _2068600)
   Call: (206) [system] peek_char((0x560c892e10d0), _2069534)
   Exit: (206) [system] peek_char((0x560c892e10d0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_2074254, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_2075186, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x560c892e10d0), s)
   Exit: (206) [system] get_char((0x560c892e10d0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _2082536)
   Call: (207) [system] peek_char((0x560c892e10d0), _2083470)
   Exit: (207) [system] peek_char((0x560c892e10d0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_2088190, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_2089122, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x560c892e10d0), j)
   Exit: (207) [system] get_char((0x560c892e10d0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _4124)
   Call: (208) [system] peek_char((0x560c892e10d0), _4726)
   Exit: (208) [system] peek_char((0x560c892e10d0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_9446, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_10378, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x560c892e10d0), u)
   Exit: (208) [system] get_char((0x560c892e10d0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _17728)
   Call: (209) [system] peek_char((0x560c892e10d0), _18662)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_23382, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_24314, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _31664)
   Call: (210) [system] peek_char((0x560c892e10d0), _32598)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_37318, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_38250, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _45600)
   Call: (211) [system] peek_char((0x560c892e10d0), _46534)
   Exit: (211) [system] peek_char((0x560c892e10d0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_51254, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_52186, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x560c892e10d0), t)
   Exit: (211) [system] get_char((0x560c892e10d0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _59536)
   Call: (212) [system] peek_char((0x560c892e10d0), _60470)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_65190, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_66122, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _73472)
   Call: (213) [system] peek_char((0x560c892e10d0), _74406)
   Exit: (213) [system] peek_char((0x560c892e10d0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_79126, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_80058, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x560c892e10d0), o)
   Exit: (213) [system] get_char((0x560c892e10d0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _87408)
   Call: (214) [system] peek_char((0x560c892e10d0), _88342)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_93062, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_93994, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _101344)
   Call: (215) [system] peek_char((0x560c892e10d0), _102278)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_106998, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_107930, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x560c892e10d0), 'I')
   Exit: (215) [system] get_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _115280)
   Call: (216) [system] peek_char((0x560c892e10d0), _116214)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_120934, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_121866, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _129216)
   Call: (217) [system] peek_char((0x560c892e10d0), _130150)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_134870, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_135802, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _143152)
   Call: (218) [system] peek_char((0x560c892e10d0), _144086)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_148806, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_149738, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _157088)
   Call: (219) [system] peek_char((0x560c892e10d0), _158022)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_162742, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_163674, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _171024)
   Call: (220) [system] peek_char((0x560c892e10d0), _171958)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_176678, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_177610, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _184960)
   Call: (221) [system] peek_char((0x560c892e10d0), _185894)
   Exit: (221) [system] peek_char((0x560c892e10d0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_190614, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_191546, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x560c892e10d0), u)
   Exit: (221) [system] get_char((0x560c892e10d0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _198896)
   Call: (222) [system] peek_char((0x560c892e10d0), _199830)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_204550, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_205482, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _212832)
   Call: (223) [system] peek_char((0x560c892e10d0), _213766)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_218486, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_219418, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _226768)
   Call: (224) [system] peek_char((0x560c892e10d0), _227702)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_232422, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_233354, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _240704)
   Call: (225) [system] peek_char((0x560c892e10d0), _241638)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_246358, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_247290, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _254640)
   Call: (226) [system] peek_char((0x560c892e10d0), _255574)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_260294, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_261226, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _268576)
   Call: (227) [system] peek_char((0x560c892e10d0), _269510)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _268576=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _254640=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (225) [system] _240704=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (224) [system] _226768=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (223) [system] _212832=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (222) [system] _198896=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (221) [system] _184960=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (220) [system] _171024=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (219) [system] _157088=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _143152=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _129216=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _115280=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _101344=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _87408=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _73472=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _59536=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _45600=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _31664=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _17728=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4124=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4118=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4114=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4110=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4106)
^  Call: (205) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_341214, _341216), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262), _341196, fail)), '$restore_trace'(_341214, _341216))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_341214, _341216))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262), _341196, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_340262)
   Fail: (206) [system] atomic(_340262)
   Call: (206) [system] atom_chars(_340262, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (205) [system] integer('DisjunctionIntroduction')
   Fail: (205) [system] integer('DisjunctionIntroduction')
   Call: (205) [system] _4106='DisjunctionIntroduction'
   Exit: (205) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (204) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _355212)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _357070)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _366664)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _369368)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _386302)
   Exit: (203) [system] peek_char((0x560c892e10d0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _391872)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _393730)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _409740)
   Exit: (204) [system] get_char((0x560c892e10d0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), a, _391872)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _427382)
   Call: (206) [system] peek_char((0x560c892e10d0), _428316)
   Exit: (206) [system] peek_char((0x560c892e10d0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_433036, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_433968, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x560c892e10d0), b)
   Exit: (206) [system] get_char((0x560c892e10d0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _441318)
   Call: (207) [system] peek_char((0x560c892e10d0), _442252)
   Exit: (207) [system] peek_char((0x560c892e10d0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_446972, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_447904, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x560c892e10d0), c)
   Exit: (207) [system] get_char((0x560c892e10d0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _455254)
   Call: (208) [system] peek_char((0x560c892e10d0), _456188)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _455254=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (207) [system] _441318=[c]
   Exit: (207) [system] [c]=[c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (206) [system] _427382=[b, c]
   Exit: (206) [system] [b, c]=[b, c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (205) [user] classify_and_convert_charseq([a, b, c], _391872)
^  Call: (206) [user] classify_and_convert_charseq_([a, b, c], _471060)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_472012, _472014), once(user:catch(read_from_chars([a, b, c], _471060), _471994, fail)), '$restore_trace'(_472012, _472014))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_472012, _472014))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _471994, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (206) [system] integer(abc)
   Fail: (206) [system] integer(abc)
   Call: (206) [system] _391872=abc
   Exit: (206) [system] abc=abc
^  Exit: (205) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _484140)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _485998)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _495592)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _498296)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _515230)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _520800)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _522658)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _538668)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _520800)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _544238)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _560248)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _565818)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _567676)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _583686)
   Exit: (207) [system] get_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'D', _565818)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _601328)
   Call: (209) [system] peek_char((0x560c892e10d0), _602262)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_606982, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_607914, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _615264)
   Call: (210) [system] peek_char((0x560c892e10d0), _616198)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_620918, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_621850, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _629200)
   Call: (211) [system] peek_char((0x560c892e10d0), _630134)
   Exit: (211) [system] peek_char((0x560c892e10d0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_634854, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_635786, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x560c892e10d0), j)
   Exit: (211) [system] get_char((0x560c892e10d0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _643136)
   Call: (212) [system] peek_char((0x560c892e10d0), _644070)
   Exit: (212) [system] peek_char((0x560c892e10d0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_648790, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_649722, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x560c892e10d0), u)
   Exit: (212) [system] get_char((0x560c892e10d0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _657072)
   Call: (213) [system] peek_char((0x560c892e10d0), _658006)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_662726, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_663658, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _671008)
   Call: (214) [system] peek_char((0x560c892e10d0), _671942)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_676662, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_677594, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _684944)
   Call: (215) [system] peek_char((0x560c892e10d0), _685878)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_690598, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_691530, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _698880)
   Call: (216) [system] peek_char((0x560c892e10d0), _699814)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_704534, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_705466, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _712816)
   Call: (217) [system] peek_char((0x560c892e10d0), _713750)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_718470, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_719402, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _726752)
   Call: (218) [system] peek_char((0x560c892e10d0), _727686)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_732406, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_733338, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _740688)
   Call: (219) [system] peek_char((0x560c892e10d0), _741622)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_746342, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_747274, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x560c892e10d0), 'I')
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _754624)
   Call: (220) [system] peek_char((0x560c892e10d0), _755558)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_760278, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_761210, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _768560)
   Call: (221) [system] peek_char((0x560c892e10d0), _769494)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_774214, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_775146, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _782496)
   Call: (222) [system] peek_char((0x560c892e10d0), _783430)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_788150, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_789082, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _796432)
   Call: (223) [system] peek_char((0x560c892e10d0), _797366)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_802086, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_803018, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _810368)
   Call: (224) [system] peek_char((0x560c892e10d0), _811302)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_816022, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_816954, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _824304)
   Call: (225) [system] peek_char((0x560c892e10d0), _825238)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_829958, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_830890, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _838240)
   Call: (226) [system] peek_char((0x560c892e10d0), _839174)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_843894, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_844826, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _852176)
   Call: (227) [system] peek_char((0x560c892e10d0), _853110)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_857830, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_858762, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _866112)
   Call: (228) [system] peek_char((0x560c892e10d0), _867046)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_871766, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_872698, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _880048)
   Call: (229) [system] peek_char((0x560c892e10d0), _880982)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_885702, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_886634, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _893984)
   Call: (230) [system] peek_char((0x560c892e10d0), _894918)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_899638, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_900570, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _907920)
   Call: (231) [system] peek_char((0x560c892e10d0), _908854)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _907920=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _893984=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _880048=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _866112=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _852176=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _838240=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (225) [system] _824304=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (224) [system] _810368=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (223) [system] _796432=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _782496=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _768560=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _754624=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _740688=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _726752=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _712816=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _698880=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _684944=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _671008=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _657072=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _643136=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _629200=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _615264=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _601328=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _565818)
^  Call: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_980558, _980560), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606), _980540, fail)), '$restore_trace'(_980558, _980560))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_980558, _980560))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606), _980540, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_979606)
   Fail: (210) [system] atomic(_979606)
   Call: (210) [system] atom_chars(_979606, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (209) [system] integer('DisjunctionIntroduction')
   Fail: (209) [system] integer('DisjunctionIntroduction')
   Call: (209) [system] _565818='DisjunctionIntroduction'
   Exit: (209) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _994556)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _996414)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1006008)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1008712)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1025646)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1031216)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1033074)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1049084)
   Exit: (208) [system] get_char((0x560c892e10d0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), a, _1031216)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1066726)
   Call: (210) [system] peek_char((0x560c892e10d0), _1067660)
   Exit: (210) [system] peek_char((0x560c892e10d0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1072380, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1073312, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x560c892e10d0), b)
   Exit: (210) [system] get_char((0x560c892e10d0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1080662)
   Call: (211) [system] peek_char((0x560c892e10d0), _1081596)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1086316, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1087248, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1094598)
   Call: (212) [system] peek_char((0x560c892e10d0), _1095532)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1094598=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1080662=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (210) [system] _1066726=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq([a, b, c], _1031216)
^  Call: (210) [user] classify_and_convert_charseq_([a, b, c], _1110404)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1111356, _1111358), once(user:catch(read_from_chars([a, b, c], _1110404), _1111338, fail)), '$restore_trace'(_1111356, _1111358))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1111356, _1111358))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1111338, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (210) [system] integer(abc)
   Fail: (210) [system] integer(abc)
   Call: (210) [system] _1031216=abc
   Exit: (210) [system] abc=abc
^  Exit: (209) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1123484)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1125342)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1134936)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1137640)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1154574)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1160144)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1162002)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1178012)
   Exit: (209) [system] get_char((0x560c892e10d0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), a, _1160144)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1195654)
   Call: (211) [system] peek_char((0x560c892e10d0), _1196588)
   Exit: (211) [system] peek_char((0x560c892e10d0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1201308, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1202240, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x560c892e10d0), b)
   Exit: (211) [system] get_char((0x560c892e10d0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1209590)
   Call: (212) [system] peek_char((0x560c892e10d0), _1210524)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1215244, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1216176, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1223526)
   Call: (213) [system] peek_char((0x560c892e10d0), _1224460)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1229180, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1223526=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1209590=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (211) [system] _1195654=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1160144)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1241204)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1242156, _1242158), once(user:catch(read_from_chars([a, b, c], _1241204), _1242138, fail)), '$restore_trace'(_1242156, _1242158))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1242156, _1242158))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1242138, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1160144=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1254284)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1256142)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1272152)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1275942)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1254284=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _1123484=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (207) [system] _994556=[abc, abc]
   Exit: (207) [system] [abc, abc]=[abc, abc]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [abc, abc])
   Call: (206) [system] _520800=['DisjunctionIntroduction', abc, abc]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, abc])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1289824)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1291682)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1307692)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1311482)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1289824=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _484140=[['DisjunctionIntroduction', abc, abc]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, abc]])
   Call: (203) [system] _355212=[abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (203) [system] [abc, ['DisjunctionIntroduction', abc, abc]]=[abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', abc, abc]])
   Call: (202) [system] _4100=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (202) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1325364)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1327222)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1336816)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1339520)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1356454)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1362024)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1363882)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1379892)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1362024)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1385462)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
   Call: (204) [system] 'O'=(/)
   Fail: (204) [system] 'O'=(/)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1401472)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'O')
   Call: (203) [system] 'O'=')'
   Fail: (203) [system] 'O'=')'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1407042)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1408900)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
   Call: (205) [system] 'O'=(/)
   Fail: (205) [system] 'O'=(/)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1424910)
   Exit: (204) [system] get_char((0x560c892e10d0), 'O')
   Call: (204) [system] 'O'='('
   Fail: (204) [system] 'O'='('
   Call: (204) [system] 'O'='['
   Fail: (204) [system] 'O'='['
   Call: (204) [system] 'O'='{'
   Fail: (204) [system] 'O'='{'
   Call: (204) [system] 'O'='"'
   Fail: (204) [system] 'O'='"'
   Call: (204) [system] 'O'=!
   Fail: (204) [system] 'O'=!
   Call: (204) [system] 'O'='\''
   Fail: (204) [system] 'O'='\''
   Call: (204) [system] 'O'='`'
   Fail: (204) [system] 'O'='`'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1407042)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442552)
   Call: (206) [system] peek_char((0x560c892e10d0), _1443486)
   Exit: (206) [system] peek_char((0x560c892e10d0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1448206, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1449138, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x560c892e10d0), r)
   Exit: (206) [system] get_char((0x560c892e10d0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1456488)
   Call: (207) [system] peek_char((0x560c892e10d0), _1457422)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1462142, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1463074, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x560c892e10d0), 'L')
   Exit: (207) [system] get_char((0x560c892e10d0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1470424)
   Call: (208) [system] peek_char((0x560c892e10d0), _1471358)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1476078, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1477010, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1484360)
   Call: (209) [system] peek_char((0x560c892e10d0), _1485294)
   Exit: (209) [system] peek_char((0x560c892e10d0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1490014, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1490946, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x560c892e10d0), n)
   Exit: (209) [system] get_char((0x560c892e10d0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1498296)
   Call: (210) [system] peek_char((0x560c892e10d0), _1499230)
   Exit: (210) [system] peek_char((0x560c892e10d0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1503950, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1504882, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x560c892e10d0), k)
   Exit: (210) [system] get_char((0x560c892e10d0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1512232)
   Call: (211) [system] peek_char((0x560c892e10d0), _1513166)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1512232=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1498296=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (209) [system] _1484360=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (208) [system] _1470424=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (207) [system] _1456488=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (206) [system] _1442552=[r, 'L', i, n, k]
   Exit: (206) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1407042)
^  Call: (206) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1536420)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1537372, _1537374), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1536420), _1537354, fail)), '$restore_trace'(_1537372, _1537374))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1537372, _1537374))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1536420), _1537354, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1536420)
   Fail: (207) [system] atomic(_1536420)
   Call: (207) [system] atom_chars(_1536420, ['O', r, 'L', i, n, k])
   Exit: (207) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (206) [system] integer('OrLink')
   Fail: (206) [system] integer('OrLink')
   Call: (206) [system] _1407042='OrLink'
   Exit: (206) [system] 'OrLink'='OrLink'
^  Exit: (205) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1551370)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1553228)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1562822)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1565526)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1582460)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1588030)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1589888)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1605898)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1588030)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1611468)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1627478)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1633048)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1634906)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1650916)
   Exit: (207) [system] get_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1633048)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668558)
   Call: (209) [system] peek_char((0x560c892e10d0), _1669492)
   Exit: (209) [system] peek_char((0x560c892e10d0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1674212, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1675144, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x560c892e10d0), m)
   Exit: (209) [system] get_char((0x560c892e10d0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682494)
   Call: (210) [system] peek_char((0x560c892e10d0), _1683428)
   Exit: (210) [system] peek_char((0x560c892e10d0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_1688148, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_1689080, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x560c892e10d0), p)
   Exit: (210) [system] get_char((0x560c892e10d0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696430)
   Call: (211) [system] peek_char((0x560c892e10d0), _1697364)
   Exit: (211) [system] peek_char((0x560c892e10d0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_1702084, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_1703016, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x560c892e10d0), l)
   Exit: (211) [system] get_char((0x560c892e10d0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710366)
   Call: (212) [system] peek_char((0x560c892e10d0), _1711300)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1716020, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1716952, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724302)
   Call: (213) [system] peek_char((0x560c892e10d0), _1725236)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1729956, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1730888, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738238)
   Call: (214) [system] peek_char((0x560c892e10d0), _1739172)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_1743892, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_1744824, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x560c892e10d0), a)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1752174)
   Call: (215) [system] peek_char((0x560c892e10d0), _1753108)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1757828, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1758760, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1766110)
   Call: (216) [system] peek_char((0x560c892e10d0), _1767044)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1771764, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1772696, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1780046)
   Call: (217) [system] peek_char((0x560c892e10d0), _1780980)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1785700, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1786632, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1793982)
   Call: (218) [system] peek_char((0x560c892e10d0), _1794916)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1799636, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1800568, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1807918)
   Call: (219) [system] peek_char((0x560c892e10d0), _1808852)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1807918=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _1793982=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (217) [system] _1780046=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (216) [system] _1766110=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (215) [system] _1752174=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (214) [system] _1738238=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (213) [system] _1724302=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (212) [system] _1710366=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (211) [system] _1696430=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _1682494=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _1668558=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1633048)
^  Call: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1846076)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1847028, _1847030), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1846076), _1847010, fail)), '$restore_trace'(_1847028, _1847030))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1847028, _1847030))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1846076), _1847010, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1846076)
   Fail: (210) [system] atomic(_1846076)
   Call: (210) [system] atom_chars(_1846076, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (209) [system] integer('Implication')
   Fail: (209) [system] integer('Implication')
   Call: (209) [system] _1633048='Implication'
   Exit: (209) [system] 'Implication'='Implication'
^  Exit: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1861026)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1862884)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1872478)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1875182)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1892116)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1897686)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1899544)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1915554)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1897686)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1921124)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1937134)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1942704)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1944562)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1960572)
   Exit: (210) [system] get_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1942704)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1978214)
   Call: (212) [system] peek_char((0x560c892e10d0), _1979148)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1983868, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1984800, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1992150)
   Call: (213) [system] peek_char((0x560c892e10d0), _1993084)
   Exit: (213) [system] peek_char((0x560c892e10d0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1997804, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1998736, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x560c892e10d0), d)
   Exit: (213) [system] get_char((0x560c892e10d0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2006086)
   Call: (214) [system] peek_char((0x560c892e10d0), _2007020)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_2011740, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_2012672, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x560c892e10d0), 'L')
   Exit: (214) [system] get_char((0x560c892e10d0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2020022)
   Call: (215) [system] peek_char((0x560c892e10d0), _2020956)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_2025676, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_2026608, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2033958)
   Call: (216) [system] peek_char((0x560c892e10d0), _2034892)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2039612, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2040544, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2047894)
   Call: (217) [system] peek_char((0x560c892e10d0), _2048828)
   Exit: (217) [system] peek_char((0x560c892e10d0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_2053548, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_2054480, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x560c892e10d0), k)
   Exit: (217) [system] get_char((0x560c892e10d0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2061830)
   Call: (218) [system] peek_char((0x560c892e10d0), _2062764)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2061830=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _2047894=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (216) [system] _2033958=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (215) [system] _2020022=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (214) [system] _2006086=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (213) [system] _1992150=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (212) [system] _1978214=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1942704)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2088812)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2089764, _2089766), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2088812), _2089746, fail)), '$restore_trace'(_2089764, _2089766))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2089764, _2089766))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2088812), _2089746, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_2088812)
   Fail: (213) [system] atomic(_2088812)
   Call: (213) [system] atom_chars(_2088812, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _4172='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _11246)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _13104)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _22698)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _25402)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _42336)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _47906)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _49764)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _65774)
   Exit: (211) [system] get_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', _47906)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _83416)
   Call: (213) [system] peek_char((0x560c892e10d0), _84350)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _83416=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _47906)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _93634)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_94586, _94588), once(user:catch(read_from_chars(['A'], _93634), _94568, fail)), '$restore_trace'(_94586, _94588))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_94586, _94588))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _93634), _94568, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_93634)
   Fail: (214) [system] atomic(_93634)
   Call: (214) [system] atom_chars(_93634, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _47906='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _108584)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _110442)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _120036)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _122740)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _139674)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'=')'
   Fail: (211) [system] 'B'=')'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _145244)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _147102)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _163112)
   Exit: (212) [system] get_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'='('
   Fail: (212) [system] 'B'='('
   Call: (212) [system] 'B'='['
   Fail: (212) [system] 'B'='['
   Call: (212) [system] 'B'='{'
   Fail: (212) [system] 'B'='{'
   Call: (212) [system] 'B'='"'
   Fail: (212) [system] 'B'='"'
   Call: (212) [system] 'B'=!
   Fail: (212) [system] 'B'=!
   Call: (212) [system] 'B'='\''
   Fail: (212) [system] 'B'='\''
   Call: (212) [system] 'B'='`'
   Fail: (212) [system] 'B'='`'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'B', _145244)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _180754)
   Call: (214) [system] peek_char((0x560c892e10d0), _181688)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_186408, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _180754=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['B'], _145244)
^  Call: (214) [user] classify_and_convert_charseq_(['B'], _192844)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_193796, _193798), once(user:catch(read_from_chars(['B'], _192844), _193778, fail)), '$restore_trace'(_193796, _193798))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_193796, _193798))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _192844), _193778, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_192844)
   Fail: (215) [system] atomic(_192844)
   Call: (215) [system] atom_chars(_192844, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (214) [system] integer('B')
   Fail: (214) [system] integer('B')
   Call: (214) [system] _145244='B'
   Exit: (214) [system] 'B'='B'
^  Exit: (213) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _207794)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _209652)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _225662)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _229452)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _207794=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _108584=['B']
   Exit: (211) [system] ['B']=['B']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (210) [system] _11246=['A', 'B']
   Exit: (210) [system] ['A', 'B']=['A', 'B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (209) [system] _4166=['AndLink', 'A', 'B']
   Exit: (209) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _243334)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _245192)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _254786)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _257490)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _274424)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _279994)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _281852)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _297862)
   Exit: (209) [system] get_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', _279994)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _315504)
   Call: (211) [system] peek_char((0x560c892e10d0), _316438)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_321158, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _315504=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq(['C'], _279994)
^  Call: (211) [user] classify_and_convert_charseq_(['C'], _327594)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_328546, _328548), once(user:catch(read_from_chars(['C'], _327594), _328528, fail)), '$restore_trace'(_328546, _328548))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_328546, _328548))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _327594), _328528, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_327594)
   Fail: (212) [system] atomic(_327594)
   Call: (212) [system] atom_chars(_327594, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (211) [system] integer('C')
   Fail: (211) [system] integer('C')
   Call: (211) [system] _279994='C'
   Exit: (211) [system] 'C'='C'
^  Exit: (210) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _342544)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _344402)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _360412)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _364202)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _342544=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _243334=['C']
   Exit: (208) [system] ['C']=['C']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (207) [system] _4162=[['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (206) [system] _4154=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _378084)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _379942)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _389536)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _392240)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _409174)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _414744)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _416602)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _432612)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _414744)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _438182)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _454192)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _459762)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _461620)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _477630)
   Exit: (208) [system] get_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', _459762)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _495272)
   Call: (210) [system] peek_char((0x560c892e10d0), _496206)
   Exit: (210) [system] peek_char((0x560c892e10d0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_500926, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_501858, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x560c892e10d0), r)
   Exit: (210) [system] get_char((0x560c892e10d0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _509208)
   Call: (211) [system] peek_char((0x560c892e10d0), _510142)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_514862, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_515794, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _523144)
   Call: (212) [system] peek_char((0x560c892e10d0), _524078)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_528798, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_529730, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _537080)
   Call: (213) [system] peek_char((0x560c892e10d0), _538014)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_542734, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_543666, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _551016)
   Call: (214) [system] peek_char((0x560c892e10d0), _551950)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_556670, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_557602, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _564952)
   Call: (215) [system] peek_char((0x560c892e10d0), _565886)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _564952=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _551016=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _537080=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _523144=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _509208=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _495272=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _459762)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _589140)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_590092, _590094), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589140), _590074, fail)), '$restore_trace'(_590092, _590094))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_590092, _590094))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589140), _590074, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_589140)
   Fail: (211) [system] atomic(_589140)
   Call: (211) [system] atom_chars(_589140, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _459762='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _604090)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _605948)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _615542)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _618246)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _635180)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _640750)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _642608)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _658618)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _640750)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _664188)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _680198)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _685768)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _687626)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _703636)
   Exit: (211) [system] get_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'I', _685768)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _721278)
   Call: (213) [system] peek_char((0x560c892e10d0), _722212)
   Exit: (213) [system] peek_char((0x560c892e10d0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_726932, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_727864, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x560c892e10d0), m)
   Exit: (213) [system] get_char((0x560c892e10d0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _735214)
   Call: (214) [system] peek_char((0x560c892e10d0), _736148)
   Exit: (214) [system] peek_char((0x560c892e10d0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_740868, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_741800, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x560c892e10d0), p)
   Exit: (214) [system] get_char((0x560c892e10d0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _749150)
   Call: (215) [system] peek_char((0x560c892e10d0), _750084)
   Exit: (215) [system] peek_char((0x560c892e10d0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_754804, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_755736, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x560c892e10d0), l)
   Exit: (215) [system] get_char((0x560c892e10d0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _763086)
   Call: (216) [system] peek_char((0x560c892e10d0), _764020)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_768740, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_769672, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _777022)
   Call: (217) [system] peek_char((0x560c892e10d0), _777956)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_782676, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_783608, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _790958)
   Call: (218) [system] peek_char((0x560c892e10d0), _791892)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_796612, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_797544, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x560c892e10d0), a)
   Exit: (218) [system] get_char((0x560c892e10d0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _804894)
   Call: (219) [system] peek_char((0x560c892e10d0), _805828)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_810548, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_811480, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _818830)
   Call: (220) [system] peek_char((0x560c892e10d0), _819764)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_824484, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_825416, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _832766)
   Call: (221) [system] peek_char((0x560c892e10d0), _833700)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_838420, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_839352, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _846702)
   Call: (222) [system] peek_char((0x560c892e10d0), _847636)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_852356, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_853288, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _860638)
   Call: (223) [system] peek_char((0x560c892e10d0), _861572)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _860638=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _846702=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (221) [system] _832766=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (220) [system] _818830=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (219) [system] _804894=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (218) [system] _790958=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (217) [system] _777022=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (216) [system] _763086=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (215) [system] _749150=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _735214=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _721278=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _685768)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _898796)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_899748, _899750), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _898796), _899730, fail)), '$restore_trace'(_899748, _899750))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_899748, _899750))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _898796), _899730, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_898796)
   Fail: (214) [system] atomic(_898796)
   Call: (214) [system] atom_chars(_898796, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _685768='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _913746)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _915604)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _925198)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _927902)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _944836)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _950406)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _952264)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _968274)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _950406)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _973844)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _989854)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _995424)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _997282)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1013292)
   Exit: (214) [system] get_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', _995424)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1030934)
   Call: (216) [system] peek_char((0x560c892e10d0), _1031868)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1036588, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1037520, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1044870)
   Call: (217) [system] peek_char((0x560c892e10d0), _1045804)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1050524, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1051456, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1058806)
   Call: (218) [system] peek_char((0x560c892e10d0), _1059740)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1064460, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1065392, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x560c892e10d0), 'L')
   Exit: (218) [system] get_char((0x560c892e10d0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1072742)
   Call: (219) [system] peek_char((0x560c892e10d0), _1073676)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1078396, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1079328, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1086678)
   Call: (220) [system] peek_char((0x560c892e10d0), _1087612)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1092332, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1093264, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1100614)
   Call: (221) [system] peek_char((0x560c892e10d0), _1101548)
   Exit: (221) [system] peek_char((0x560c892e10d0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1106268, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1107200, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x560c892e10d0), k)
   Exit: (221) [system] get_char((0x560c892e10d0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1114550)
   Call: (222) [system] peek_char((0x560c892e10d0), _1115484)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1114550=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1100614=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (220) [system] _1086678=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (219) [system] _1072742=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (218) [system] _1058806=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (217) [system] _1044870=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (216) [system] _1030934=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _995424)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1141532)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1142484, _1142486), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1141532), _1142466, fail)), '$restore_trace'(_1142484, _1142486))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1142484, _1142486))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1141532), _1142466, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1141532)
   Fail: (217) [system] atomic(_1141532)
   Call: (217) [system] atom_chars(_1141532, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _995424='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1156482)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1158340)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1167934)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1170638)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1187572)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1193142)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1195000)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1211010)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1193142)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228652)
   Call: (217) [system] peek_char((0x560c892e10d0), _1229586)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1228652=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['A'], _1193142)
^  Call: (217) [user] classify_and_convert_charseq_(['A'], _1238870)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1239822, _1239824), once(user:catch(read_from_chars(['A'], _1238870), _1239804, fail)), '$restore_trace'(_1239822, _1239824))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1239822, _1239824))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1238870), _1239804, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1238870)
   Fail: (218) [system] atomic(_1238870)
   Call: (218) [system] atom_chars(_1238870, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (217) [system] integer('A')
   Fail: (217) [system] integer('A')
   Call: (217) [system] _1193142='A'
   Exit: (217) [system] 'A'='A'
^  Exit: (216) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1253820)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1255678)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1265272)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1267976)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1284910)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1290480)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1292338)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1308348)
   Exit: (216) [system] get_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1290480)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325990)
   Call: (218) [system] peek_char((0x560c892e10d0), _1326924)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1331644, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1325990=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1290480)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1338080)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1339032, _1339034), once(user:catch(read_from_chars(['B'], _1338080), _1339014, fail)), '$restore_trace'(_1339032, _1339034))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1339032, _1339034))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1338080), _1339014, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1338080)
   Fail: (219) [system] atomic(_1338080)
   Call: (219) [system] atom_chars(_1338080, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1290480='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1353030)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1354888)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1370898)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1374688)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1353030=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _1253820=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (214) [system] _1156482=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (213) [system] _950406=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1388570)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1390428)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1400022)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1402726)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1419660)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1425230)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1427088)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1443098)
   Exit: (213) [system] get_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1425230)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1460740)
   Call: (215) [system] peek_char((0x560c892e10d0), _1461674)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1466394, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1460740=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _1425230)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _1472830)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1473782, _1473784), once(user:catch(read_from_chars(['C'], _1472830), _1473764, fail)), '$restore_trace'(_1473782, _1473784))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1473782, _1473784))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1472830), _1473764, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1472830)
   Fail: (216) [system] atomic(_1472830)
   Call: (216) [system] atom_chars(_1472830, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _1425230='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1487780)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1489638)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1505648)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1509438)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1487780=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1388570=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (211) [system] _913746=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _640750=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1523320)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1525178)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1534772)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1537476)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1554410)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1559980)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1561838)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1577848)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1559980)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1583418)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1599428)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1604998)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1606856)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1622866)
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1604998)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1640508)
   Call: (214) [system] peek_char((0x560c892e10d0), _1641442)
   Exit: (214) [system] peek_char((0x560c892e10d0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1646162, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1647094, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x560c892e10d0), m)
   Exit: (214) [system] get_char((0x560c892e10d0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1654444)
   Call: (215) [system] peek_char((0x560c892e10d0), _1655378)
   Exit: (215) [system] peek_char((0x560c892e10d0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1660098, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1661030, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x560c892e10d0), p)
   Exit: (215) [system] get_char((0x560c892e10d0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668380)
   Call: (216) [system] peek_char((0x560c892e10d0), _1669314)
   Exit: (216) [system] peek_char((0x560c892e10d0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1674034, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1674966, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x560c892e10d0), l)
   Exit: (216) [system] get_char((0x560c892e10d0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682316)
   Call: (217) [system] peek_char((0x560c892e10d0), _1683250)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1687970, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1688902, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1696252)
   Call: (218) [system] peek_char((0x560c892e10d0), _1697186)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1701906, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1702838, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1710188)
   Call: (219) [system] peek_char((0x560c892e10d0), _1711122)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1715842, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1716774, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x560c892e10d0), a)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1724124)
   Call: (220) [system] peek_char((0x560c892e10d0), _1725058)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1729778, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1730710, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1738060)
   Call: (221) [system] peek_char((0x560c892e10d0), _1738994)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1743714, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1744646, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1751996)
   Call: (222) [system] peek_char((0x560c892e10d0), _1752930)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1757650, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1758582, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1765932)
   Call: (223) [system] peek_char((0x560c892e10d0), _1766866)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1771586, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1772518, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1779868)
   Call: (224) [system] peek_char((0x560c892e10d0), _1780802)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1779868=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1765932=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _1751996=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _1738060=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _1724124=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _1710188=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (218) [system] _1696252=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (217) [system] _1682316=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1668380=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1654444=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1640508=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1604998)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1818026)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1818978, _1818980), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1818026), _1818960, fail)), '$restore_trace'(_1818978, _1818980))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1818978, _1818980))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1818026), _1818960, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1818026)
   Fail: (215) [system] atomic(_1818026)
   Call: (215) [system] atom_chars(_1818026, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1604998='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1832976)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1834834)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1844428)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1847132)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1864066)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1869636)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1871494)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1887504)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1869636)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1893074)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1909084)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1914654)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1916512)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1932522)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1914654)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1950164)
   Call: (217) [system] peek_char((0x560c892e10d0), _1951098)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1955818, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1956750, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1964100)
   Call: (218) [system] peek_char((0x560c892e10d0), _1965034)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1969754, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1970686, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1978036)
   Call: (219) [system] peek_char((0x560c892e10d0), _1978970)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1983690, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1984622, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1991972)
   Call: (220) [system] peek_char((0x560c892e10d0), _1992906)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1997626, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1998558, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2005908)
   Call: (221) [system] peek_char((0x560c892e10d0), _2006842)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2011562, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2012494, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2019844)
   Call: (222) [system] peek_char((0x560c892e10d0), _2020778)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_2025498, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_2026430, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2033780)
   Call: (223) [system] peek_char((0x560c892e10d0), _2034714)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _2033780=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _2019844=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _2005908=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1991972=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1978036=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1964100=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (217) [system] _1950164=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1914654)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2060762)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2061714, _2061716), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2060762), _2061696, fail)), '$restore_trace'(_2061714, _2061716))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2061714, _2061716))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2060762), _2061696, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_2060762)
   Fail: (218) [system] atomic(_2060762)
   Call: (218) [system] atom_chars(_2060762, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1914654='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _2075712)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2077570)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _2087164)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2089868)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _14316)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _19886)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _21744)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _37754)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _19886)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _55396)
   Call: (218) [system] peek_char((0x560c892e10d0), _56330)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _55396=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _19886)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _65614)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_66566, _66568), once(user:catch(read_from_chars(['A'], _65614), _66548, fail)), '$restore_trace'(_66566, _66568))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_66566, _66568))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _65614), _66548, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_65614)
   Fail: (219) [system] atomic(_65614)
   Call: (219) [system] atom_chars(_65614, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _19886='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _80564)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _82422)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _92016)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _94720)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _111654)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _117224)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _119082)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _135092)
   Exit: (217) [system] get_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', _117224)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _152734)
   Call: (219) [system] peek_char((0x560c892e10d0), _153668)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_158388, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _152734=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _117224)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _164824)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_165776, _165778), once(user:catch(read_from_chars(['B'], _164824), _165758, fail)), '$restore_trace'(_165776, _165778))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_165776, _165778))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _164824), _165758, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_164824)
   Fail: (220) [system] atomic(_164824)
   Call: (220) [system] atom_chars(_164824, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _117224='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _179774)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _181632)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _197642)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _201432)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _179774=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _80564=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (215) [system] _4270=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (214) [system] _4262=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _215314)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _217172)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _226766)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _229470)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _246404)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _251974)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _253832)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _269842)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _251974)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _287484)
   Call: (216) [system] peek_char((0x560c892e10d0), _288418)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_293138, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _287484=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _251974)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _299574)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_300526, _300528), once(user:catch(read_from_chars(['C'], _299574), _300508, fail)), '$restore_trace'(_300526, _300528))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_300526, _300528))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _299574), _300508, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_299574)
   Fail: (217) [system] atomic(_299574)
   Call: (217) [system] atom_chars(_299574, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _251974='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _314524)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _316382)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _332392)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _336182)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _314524=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _215314=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (212) [system] _4258=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4250=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _350064)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _351922)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _367932)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _371722)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _350064=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _4246=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4204=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4196=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _385604)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _387462)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _403472)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _407262)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _385604=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _4192=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4150=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4142=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _421144)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _423002)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _439012)
   Exit: (202) [system] peek_char((0x560c892e10d0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x560c892e10d0), _442802)
   Exit: (202) [system] get_char((0x560c892e10d0), ')')
   Call: (202) [system] _421144=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [])
   Call: (201) [system] _4138=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (201) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (200) [system] _4096=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (200) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (199) [system] _4088=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (199) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (198) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (197) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (197) [user] read_list(')', (0x560c892e10d0), _456684)
^  Call: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _458542)
   Exit: (199) [system] peek_char((0x560c892e10d0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x560c892e10d0), _469992)
   Exit: (199) [system] get_char((0x560c892e10d0), '\n')
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _472696)
   Exit: (200) [system] peek_char((0x560c892e10d0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x560c892e10d0), _482290)
   Exit: (200) [system] get_char((0x560c892e10d0), ' ')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _484994)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
^  Exit: (198) [user] skip_spaces((0x560c892e10d0))
   Call: (198) [system] peek_char((0x560c892e10d0), _502852)
   Exit: (198) [system] peek_char((0x560c892e10d0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x560c892e10d0), _508422)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _510280)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] get_char((0x560c892e10d0), _526290)
   Exit: (199) [system] get_char((0x560c892e10d0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _508422)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _531860)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _547870)
   Exit: (200) [system] peek_char((0x560c892e10d0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _553440)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _555298)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _571308)
   Exit: (201) [system] get_char((0x560c892e10d0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x560c892e10d0), :, _553440)
^  Call: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), _588950)
   Call: (203) [system] peek_char((0x560c892e10d0), _589884)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _588950=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _553440)
^  Call: (203) [user] classify_and_convert_charseq_([:], _599168)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_600120, _600122), once(user:catch(read_from_chars([:], _599168), _600102, fail)), '$restore_trace'(_600120, _600122))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_600120, _600122))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _600102, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _553440=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _612248)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _614106)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _623700)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _626404)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _643338)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _648908)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _650766)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _666776)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _648908)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _672346)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _688356)
   Exit: (203) [system] peek_char((0x560c892e10d0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _693926)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _695784)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _711794)
   Exit: (204) [system] get_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', _693926)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _729436)
   Call: (206) [system] peek_char((0x560c892e10d0), _730370)
   Exit: (206) [system] peek_char((0x560c892e10d0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_735090, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_736022, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x560c892e10d0), i)
   Exit: (206) [system] get_char((0x560c892e10d0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _743372)
   Call: (207) [system] peek_char((0x560c892e10d0), _744306)
   Exit: (207) [system] peek_char((0x560c892e10d0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_749026, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_749958, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x560c892e10d0), s)
   Exit: (207) [system] get_char((0x560c892e10d0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _757308)
   Call: (208) [system] peek_char((0x560c892e10d0), _758242)
   Exit: (208) [system] peek_char((0x560c892e10d0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_762962, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_763894, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x560c892e10d0), j)
   Exit: (208) [system] get_char((0x560c892e10d0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _771244)
   Call: (209) [system] peek_char((0x560c892e10d0), _772178)
   Exit: (209) [system] peek_char((0x560c892e10d0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_776898, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_777830, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x560c892e10d0), u)
   Exit: (209) [system] get_char((0x560c892e10d0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _785180)
   Call: (210) [system] peek_char((0x560c892e10d0), _786114)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_790834, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_791766, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _799116)
   Call: (211) [system] peek_char((0x560c892e10d0), _800050)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_804770, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_805702, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _813052)
   Call: (212) [system] peek_char((0x560c892e10d0), _813986)
   Exit: (212) [system] peek_char((0x560c892e10d0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_818706, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_819638, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x560c892e10d0), t)
   Exit: (212) [system] get_char((0x560c892e10d0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _826988)
   Call: (213) [system] peek_char((0x560c892e10d0), _827922)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_832642, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_833574, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _840924)
   Call: (214) [system] peek_char((0x560c892e10d0), _841858)
   Exit: (214) [system] peek_char((0x560c892e10d0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_846578, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_847510, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x560c892e10d0), o)
   Exit: (214) [system] get_char((0x560c892e10d0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _854860)
   Call: (215) [system] peek_char((0x560c892e10d0), _855794)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_860514, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_861446, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _868796)
   Call: (216) [system] peek_char((0x560c892e10d0), _869730)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_874450, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_875382, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x560c892e10d0), 'I')
   Exit: (216) [system] get_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _882732)
   Call: (217) [system] peek_char((0x560c892e10d0), _883666)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_888386, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_889318, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _896668)
   Call: (218) [system] peek_char((0x560c892e10d0), _897602)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_902322, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_903254, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _910604)
   Call: (219) [system] peek_char((0x560c892e10d0), _911538)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_916258, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_917190, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _924540)
   Call: (220) [system] peek_char((0x560c892e10d0), _925474)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_930194, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_931126, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _938476)
   Call: (221) [system] peek_char((0x560c892e10d0), _939410)
   Exit: (221) [system] peek_char((0x560c892e10d0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_944130, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_945062, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x560c892e10d0), d)
   Exit: (221) [system] get_char((0x560c892e10d0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _952412)
   Call: (222) [system] peek_char((0x560c892e10d0), _953346)
   Exit: (222) [system] peek_char((0x560c892e10d0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_958066, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_958998, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x560c892e10d0), u)
   Exit: (222) [system] get_char((0x560c892e10d0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _966348)
   Call: (223) [system] peek_char((0x560c892e10d0), _967282)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_972002, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_972934, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _980284)
   Call: (224) [system] peek_char((0x560c892e10d0), _981218)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_985938, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_986870, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _994220)
   Call: (225) [system] peek_char((0x560c892e10d0), _995154)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_999874, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1000806, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1008156)
   Call: (226) [system] peek_char((0x560c892e10d0), _1009090)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1013810, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1014742, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1022092)
   Call: (227) [system] peek_char((0x560c892e10d0), _1023026)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1027746, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1028678, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1036028)
   Call: (228) [system] peek_char((0x560c892e10d0), _1036962)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1036028=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1022092=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (226) [system] _1008156=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (225) [system] _994220=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (224) [system] _980284=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (223) [system] _966348=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (222) [system] _952412=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (221) [system] _938476=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (220) [system] _924540=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _910604=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _896668=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _882732=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _868796=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _854860=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _840924=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _826988=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _813052=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _799116=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _785180=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _771244=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _757308=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _743372=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _729436=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _693926)
^  Call: (206) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1108666, _1108668), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714), _1108648, fail)), '$restore_trace'(_1108666, _1108668))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1108666, _1108668))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714), _1108648, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1107714)
   Fail: (207) [system] atomic(_1107714)
   Call: (207) [system] atom_chars(_1107714, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (206) [system] integer('DisjunctionIntroduction')
   Fail: (206) [system] integer('DisjunctionIntroduction')
   Call: (206) [system] _693926='DisjunctionIntroduction'
   Exit: (206) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (205) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1122664)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1124522)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1134116)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1136820)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1153754)
   Exit: (204) [system] peek_char((0x560c892e10d0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1159324)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1161182)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1177192)
   Exit: (205) [system] get_char((0x560c892e10d0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), a, _1159324)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1194834)
   Call: (207) [system] peek_char((0x560c892e10d0), _1195768)
   Exit: (207) [system] peek_char((0x560c892e10d0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1200488, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1201420, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x560c892e10d0), b)
   Exit: (207) [system] get_char((0x560c892e10d0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1208770)
   Call: (208) [system] peek_char((0x560c892e10d0), _1209704)
   Exit: (208) [system] peek_char((0x560c892e10d0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1214424, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1215356, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x560c892e10d0), c)
   Exit: (208) [system] get_char((0x560c892e10d0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1222706)
   Call: (209) [system] peek_char((0x560c892e10d0), _1223640)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1222706=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (208) [system] _1208770=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (207) [system] _1194834=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq([a, b, c], _1159324)
^  Call: (207) [user] classify_and_convert_charseq_([a, b, c], _1238512)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1239464, _1239466), once(user:catch(read_from_chars([a, b, c], _1238512), _1239446, fail)), '$restore_trace'(_1239464, _1239466))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1239464, _1239466))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1239446, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (207) [system] integer(abc)
   Fail: (207) [system] integer(abc)
   Call: (207) [system] _1159324=abc
   Exit: (207) [system] abc=abc
^  Exit: (206) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1251592)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1253450)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1263044)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1265748)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1282682)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1288252)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1290110)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1306120)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1288252)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1311690)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1327700)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1333270)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1335128)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1351138)
   Exit: (208) [system] get_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1333270)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1368780)
   Call: (210) [system] peek_char((0x560c892e10d0), _1369714)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1374434, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1375366, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382716)
   Call: (211) [system] peek_char((0x560c892e10d0), _1383650)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1388370, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1389302, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1396652)
   Call: (212) [system] peek_char((0x560c892e10d0), _1397586)
   Exit: (212) [system] peek_char((0x560c892e10d0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1402306, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1403238, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x560c892e10d0), j)
   Exit: (212) [system] get_char((0x560c892e10d0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1410588)
   Call: (213) [system] peek_char((0x560c892e10d0), _1411522)
   Exit: (213) [system] peek_char((0x560c892e10d0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1416242, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1417174, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x560c892e10d0), u)
   Exit: (213) [system] get_char((0x560c892e10d0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1424524)
   Call: (214) [system] peek_char((0x560c892e10d0), _1425458)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1430178, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1431110, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1438460)
   Call: (215) [system] peek_char((0x560c892e10d0), _1439394)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1444114, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1445046, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1452396)
   Call: (216) [system] peek_char((0x560c892e10d0), _1453330)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1458050, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1458982, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1466332)
   Call: (217) [system] peek_char((0x560c892e10d0), _1467266)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1471986, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1472918, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1480268)
   Call: (218) [system] peek_char((0x560c892e10d0), _1481202)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1485922, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1486854, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1494204)
   Call: (219) [system] peek_char((0x560c892e10d0), _1495138)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1499858, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1500790, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508140)
   Call: (220) [system] peek_char((0x560c892e10d0), _1509074)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1513794, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1514726, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x560c892e10d0), 'I')
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522076)
   Call: (221) [system] peek_char((0x560c892e10d0), _1523010)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1527730, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1528662, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536012)
   Call: (222) [system] peek_char((0x560c892e10d0), _1536946)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1541666, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1542598, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1549948)
   Call: (223) [system] peek_char((0x560c892e10d0), _1550882)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1555602, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1556534, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1563884)
   Call: (224) [system] peek_char((0x560c892e10d0), _1564818)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1569538, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1570470, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1577820)
   Call: (225) [system] peek_char((0x560c892e10d0), _1578754)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1583474, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1584406, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1591756)
   Call: (226) [system] peek_char((0x560c892e10d0), _1592690)
   Exit: (226) [system] peek_char((0x560c892e10d0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1597410, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1598342, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x560c892e10d0), u)
   Exit: (226) [system] get_char((0x560c892e10d0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1605692)
   Call: (227) [system] peek_char((0x560c892e10d0), _1606626)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1611346, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1612278, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1619628)
   Call: (228) [system] peek_char((0x560c892e10d0), _1620562)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1625282, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1626214, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1633564)
   Call: (229) [system] peek_char((0x560c892e10d0), _1634498)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1639218, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1640150, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1647500)
   Call: (230) [system] peek_char((0x560c892e10d0), _1648434)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1653154, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1654086, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1661436)
   Call: (231) [system] peek_char((0x560c892e10d0), _1662370)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1667090, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1668022, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1675372)
   Call: (232) [system] peek_char((0x560c892e10d0), _1676306)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1675372=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1661436=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _1647500=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _1633564=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _1619628=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _1605692=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (226) [system] _1591756=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (225) [system] _1577820=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (224) [system] _1563884=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1549948=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1536012=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1522076=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1508140=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1494204=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1480268=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1466332=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1452396=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1438460=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1424524=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1410588=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1396652=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1382716=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1368780=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1333270)
^  Call: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1748010, _1748012), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058), _1747992, fail)), '$restore_trace'(_1748010, _1748012))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1748010, _1748012))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058), _1747992, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1747058)
   Fail: (211) [system] atomic(_1747058)
   Call: (211) [system] atom_chars(_1747058, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (210) [system] integer('DisjunctionIntroduction')
   Fail: (210) [system] integer('DisjunctionIntroduction')
   Call: (210) [system] _1333270='DisjunctionIntroduction'
   Exit: (210) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1762008)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1763866)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1773460)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1776164)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1793098)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1798668)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1800526)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1816536)
   Exit: (209) [system] get_char((0x560c892e10d0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), a, _1798668)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1834178)
   Call: (211) [system] peek_char((0x560c892e10d0), _1835112)
   Exit: (211) [system] peek_char((0x560c892e10d0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1839832, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1840764, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x560c892e10d0), b)
   Exit: (211) [system] get_char((0x560c892e10d0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1848114)
   Call: (212) [system] peek_char((0x560c892e10d0), _1849048)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1853768, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1854700, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1862050)
   Call: (213) [system] peek_char((0x560c892e10d0), _1862984)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1862050=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1848114=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (211) [system] _1834178=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1798668)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1877856)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1878808, _1878810), once(user:catch(read_from_chars([a, b, c], _1877856), _1878790, fail)), '$restore_trace'(_1878808, _1878810))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1878808, _1878810))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1878790, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1798668=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1890936)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1892794)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1902388)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1905092)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1922026)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1927596)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1929454)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1945464)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), a, _1927596)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1963106)
   Call: (212) [system] peek_char((0x560c892e10d0), _1964040)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1968760, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1963106=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _1927596)
^  Call: (212) [user] classify_and_convert_charseq_([a], _1975196)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1976148, _1976150), once(user:catch(read_from_chars([a], _1975196), _1976130, fail)), '$restore_trace'(_1976148, _1976150))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1976148, _1976150))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1976130, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _1927596=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1988276)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1990134)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _2006144)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _2009934)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _1988276=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _1890936=[a]
   Exit: (209) [system] [a]=[a]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (208) [system] _1762008=[abc, a]
   Exit: (208) [system] [abc, a]=[abc, a]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (207) [system] _1288252=['DisjunctionIntroduction', abc, a]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _2023816)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2025674)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2041684)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _2045474)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _2023816=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _1251592=[['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a]])
   Call: (204) [system] _1122664=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (204) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (203) [system] _648908=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (203) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _2059356)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2061214)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _2070808)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2073512)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _2090446)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _2096016)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _5232)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _21242)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _4346)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _26812)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
   Call: (205) [system] 'O'=(/)
   Fail: (205) [system] 'O'=(/)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _42822)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'O')
   Call: (204) [system] 'O'=')'
   Fail: (204) [system] 'O'=')'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _48392)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _50250)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
   Call: (206) [system] 'O'=(/)
   Fail: (206) [system] 'O'=(/)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _66260)
   Exit: (205) [system] get_char((0x560c892e10d0), 'O')
   Call: (205) [system] 'O'='('
   Fail: (205) [system] 'O'='('
   Call: (205) [system] 'O'='['
   Fail: (205) [system] 'O'='['
   Call: (205) [system] 'O'='{'
   Fail: (205) [system] 'O'='{'
   Call: (205) [system] 'O'='"'
   Fail: (205) [system] 'O'='"'
   Call: (205) [system] 'O'=!
   Fail: (205) [system] 'O'=!
   Call: (205) [system] 'O'='\''
   Fail: (205) [system] 'O'='\''
   Call: (205) [system] 'O'='`'
   Fail: (205) [system] 'O'='`'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'O', _48392)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _83902)
   Call: (207) [system] peek_char((0x560c892e10d0), _84836)
   Exit: (207) [system] peek_char((0x560c892e10d0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_89556, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_90488, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x560c892e10d0), r)
   Exit: (207) [system] get_char((0x560c892e10d0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _97838)
   Call: (208) [system] peek_char((0x560c892e10d0), _98772)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_103492, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_104424, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x560c892e10d0), 'L')
   Exit: (208) [system] get_char((0x560c892e10d0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _111774)
   Call: (209) [system] peek_char((0x560c892e10d0), _112708)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_117428, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_118360, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _125710)
   Call: (210) [system] peek_char((0x560c892e10d0), _126644)
   Exit: (210) [system] peek_char((0x560c892e10d0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_131364, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_132296, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x560c892e10d0), n)
   Exit: (210) [system] get_char((0x560c892e10d0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _139646)
   Call: (211) [system] peek_char((0x560c892e10d0), _140580)
   Exit: (211) [system] peek_char((0x560c892e10d0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_145300, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_146232, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x560c892e10d0), k)
   Exit: (211) [system] get_char((0x560c892e10d0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _153582)
   Call: (212) [system] peek_char((0x560c892e10d0), _154516)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _153582=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _139646=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (210) [system] _125710=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (209) [system] _111774=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (208) [system] _97838=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (207) [system] _83902=[r, 'L', i, n, k]
   Exit: (207) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _48392)
^  Call: (207) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _177770)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_178722, _178724), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _177770), _178704, fail)), '$restore_trace'(_178722, _178724))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_178722, _178724))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _177770), _178704, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_177770)
   Fail: (208) [system] atomic(_177770)
   Call: (208) [system] atom_chars(_177770, ['O', r, 'L', i, n, k])
   Exit: (208) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (207) [system] integer('OrLink')
   Fail: (207) [system] integer('OrLink')
   Call: (207) [system] _48392='OrLink'
   Exit: (207) [system] 'OrLink'='OrLink'
^  Exit: (206) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _192720)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _194578)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _204172)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _206876)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _223810)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _229380)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _231238)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _247248)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _229380)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _252818)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _268828)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _274398)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _276256)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _292266)
   Exit: (208) [system] get_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', _274398)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _309908)
   Call: (210) [system] peek_char((0x560c892e10d0), _310842)
   Exit: (210) [system] peek_char((0x560c892e10d0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_315562, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_316494, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x560c892e10d0), m)
   Exit: (210) [system] get_char((0x560c892e10d0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _323844)
   Call: (211) [system] peek_char((0x560c892e10d0), _324778)
   Exit: (211) [system] peek_char((0x560c892e10d0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_329498, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_330430, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x560c892e10d0), p)
   Exit: (211) [system] get_char((0x560c892e10d0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _337780)
   Call: (212) [system] peek_char((0x560c892e10d0), _338714)
   Exit: (212) [system] peek_char((0x560c892e10d0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_343434, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_344366, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x560c892e10d0), l)
   Exit: (212) [system] get_char((0x560c892e10d0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _351716)
   Call: (213) [system] peek_char((0x560c892e10d0), _352650)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_357370, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_358302, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _365652)
   Call: (214) [system] peek_char((0x560c892e10d0), _366586)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_371306, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_372238, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _379588)
   Call: (215) [system] peek_char((0x560c892e10d0), _380522)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_385242, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_386174, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x560c892e10d0), a)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _393524)
   Call: (216) [system] peek_char((0x560c892e10d0), _394458)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_399178, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_400110, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _407460)
   Call: (217) [system] peek_char((0x560c892e10d0), _408394)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_413114, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_414046, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _421396)
   Call: (218) [system] peek_char((0x560c892e10d0), _422330)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_427050, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_427982, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _435332)
   Call: (219) [system] peek_char((0x560c892e10d0), _436266)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_440986, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_441918, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _449268)
   Call: (220) [system] peek_char((0x560c892e10d0), _450202)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _449268=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _435332=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (218) [system] _421396=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (217) [system] _407460=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (216) [system] _393524=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (215) [system] _379588=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (214) [system] _365652=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (213) [system] _351716=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (212) [system] _337780=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _323844=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _309908=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _274398)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _487426)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_488378, _488380), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _487426), _488360, fail)), '$restore_trace'(_488378, _488380))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_488378, _488380))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _487426), _488360, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_487426)
   Fail: (211) [system] atomic(_487426)
   Call: (211) [system] atom_chars(_487426, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _274398='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _502376)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _504234)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _513828)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _516532)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _533466)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _539036)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _540894)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _556904)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _539036)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _562474)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _578484)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _584054)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _585912)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _601922)
   Exit: (211) [system] get_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', _584054)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _619564)
   Call: (213) [system] peek_char((0x560c892e10d0), _620498)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_625218, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_626150, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _633500)
   Call: (214) [system] peek_char((0x560c892e10d0), _634434)
   Exit: (214) [system] peek_char((0x560c892e10d0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_639154, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_640086, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x560c892e10d0), d)
   Exit: (214) [system] get_char((0x560c892e10d0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _647436)
   Call: (215) [system] peek_char((0x560c892e10d0), _648370)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_653090, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_654022, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _661372)
   Call: (216) [system] peek_char((0x560c892e10d0), _662306)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_667026, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_667958, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _675308)
   Call: (217) [system] peek_char((0x560c892e10d0), _676242)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_680962, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_681894, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _689244)
   Call: (218) [system] peek_char((0x560c892e10d0), _690178)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_694898, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_695830, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _703180)
   Call: (219) [system] peek_char((0x560c892e10d0), _704114)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _703180=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _689244=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _675308=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _661372=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _647436=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _633500=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (213) [system] _619564=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _584054)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _730162)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_731114, _731116), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _730162), _731096, fail)), '$restore_trace'(_731114, _731116))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_731114, _731116))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _730162), _731096, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_730162)
   Fail: (214) [system] atomic(_730162)
   Call: (214) [system] atom_chars(_730162, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _584054='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _745112)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _746970)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _756564)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _759268)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _776202)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _781772)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _783630)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _799640)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _781772)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _817282)
   Call: (214) [system] peek_char((0x560c892e10d0), _818216)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _817282=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _781772)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _827500)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_828452, _828454), once(user:catch(read_from_chars(['A'], _827500), _828434, fail)), '$restore_trace'(_828452, _828454))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_828452, _828454))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _827500), _828434, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_827500)
   Fail: (215) [system] atomic(_827500)
   Call: (215) [system] atom_chars(_827500, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _781772='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _842450)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _844308)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _853902)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _856606)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _873540)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _879110)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _880968)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _896978)
   Exit: (213) [system] get_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', _879110)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _914620)
   Call: (215) [system] peek_char((0x560c892e10d0), _915554)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_920274, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _914620=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _879110)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _926710)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_927662, _927664), once(user:catch(read_from_chars(['B'], _926710), _927644, fail)), '$restore_trace'(_927662, _927664))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_927662, _927664))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _926710), _927644, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_926710)
   Fail: (216) [system] atomic(_926710)
   Call: (216) [system] atom_chars(_926710, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _879110='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _941660)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _943518)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _959528)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _963318)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _941660=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _842450=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (211) [system] _745112=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (210) [system] _539036=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _977200)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _979058)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _988652)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _991356)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1008290)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1013860)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1015718)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1031728)
   Exit: (210) [system] get_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1013860)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1049370)
   Call: (212) [system] peek_char((0x560c892e10d0), _1050304)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1055024, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1049370=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1013860)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1061460)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1062412, _1062414), once(user:catch(read_from_chars(['C'], _1061460), _1062394, fail)), '$restore_trace'(_1062412, _1062414))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1062412, _1062414))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1061460), _1062394, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1061460)
   Fail: (213) [system] atomic(_1061460)
   Call: (213) [system] atom_chars(_1061460, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1013860='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1076410)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1078268)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1094278)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _1098068)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _1076410=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _977200=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (208) [system] _502376=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _229380=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1111950)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1113808)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1123402)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1126106)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1143040)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1148610)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1150468)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1166478)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1148610)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1172048)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1188058)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1193628)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1195486)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1211496)
   Exit: (209) [system] get_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1193628)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1229138)
   Call: (211) [system] peek_char((0x560c892e10d0), _1230072)
   Exit: (211) [system] peek_char((0x560c892e10d0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1234792, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1235724, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x560c892e10d0), r)
   Exit: (211) [system] get_char((0x560c892e10d0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1243074)
   Call: (212) [system] peek_char((0x560c892e10d0), _1244008)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1248728, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1249660, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257010)
   Call: (213) [system] peek_char((0x560c892e10d0), _1257944)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1262664, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1263596, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270946)
   Call: (214) [system] peek_char((0x560c892e10d0), _1271880)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1276600, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1277532, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1284882)
   Call: (215) [system] peek_char((0x560c892e10d0), _1285816)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1290536, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1291468, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1298818)
   Call: (216) [system] peek_char((0x560c892e10d0), _1299752)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1298818=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1284882=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _1270946=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _1257010=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _1243074=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _1229138=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1193628)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1323006)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1323958, _1323960), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323006), _1323940, fail)), '$restore_trace'(_1323958, _1323960))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1323958, _1323960))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323006), _1323940, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1323006)
   Fail: (212) [system] atomic(_1323006)
   Call: (212) [system] atom_chars(_1323006, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _1193628='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1337956)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1339814)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1349408)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1352112)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1369046)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1374616)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1376474)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1392484)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1374616)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1398054)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1414064)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1419634)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1421492)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1437502)
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1419634)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455144)
   Call: (214) [system] peek_char((0x560c892e10d0), _1456078)
   Exit: (214) [system] peek_char((0x560c892e10d0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1460798, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1461730, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x560c892e10d0), m)
   Exit: (214) [system] get_char((0x560c892e10d0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469080)
   Call: (215) [system] peek_char((0x560c892e10d0), _1470014)
   Exit: (215) [system] peek_char((0x560c892e10d0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1474734, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1475666, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x560c892e10d0), p)
   Exit: (215) [system] get_char((0x560c892e10d0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483016)
   Call: (216) [system] peek_char((0x560c892e10d0), _1483950)
   Exit: (216) [system] peek_char((0x560c892e10d0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1488670, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1489602, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x560c892e10d0), l)
   Exit: (216) [system] get_char((0x560c892e10d0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1496952)
   Call: (217) [system] peek_char((0x560c892e10d0), _1497886)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1502606, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1503538, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1510888)
   Call: (218) [system] peek_char((0x560c892e10d0), _1511822)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1516542, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1517474, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1524824)
   Call: (219) [system] peek_char((0x560c892e10d0), _1525758)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1530478, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1531410, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x560c892e10d0), a)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1538760)
   Call: (220) [system] peek_char((0x560c892e10d0), _1539694)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1544414, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1545346, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1552696)
   Call: (221) [system] peek_char((0x560c892e10d0), _1553630)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1558350, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1559282, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1566632)
   Call: (222) [system] peek_char((0x560c892e10d0), _1567566)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1572286, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1573218, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1580568)
   Call: (223) [system] peek_char((0x560c892e10d0), _1581502)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1586222, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1587154, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1594504)
   Call: (224) [system] peek_char((0x560c892e10d0), _1595438)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1594504=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1580568=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _1566632=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _1552696=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _1538760=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _1524824=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (218) [system] _1510888=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (217) [system] _1496952=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1483016=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1469080=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1455144=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1419634)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1632662)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1633614, _1633616), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1632662), _1633596, fail)), '$restore_trace'(_1633614, _1633616))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1633614, _1633616))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1632662), _1633596, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1632662)
   Fail: (215) [system] atomic(_1632662)
   Call: (215) [system] atom_chars(_1632662, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1419634='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1647612)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1649470)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1659064)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1661768)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1678702)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1684272)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1686130)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1702140)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1684272)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1707710)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1723720)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1729290)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1731148)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1747158)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1729290)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1764800)
   Call: (217) [system] peek_char((0x560c892e10d0), _1765734)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1770454, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1771386, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778736)
   Call: (218) [system] peek_char((0x560c892e10d0), _1779670)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1784390, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1785322, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792672)
   Call: (219) [system] peek_char((0x560c892e10d0), _1793606)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1798326, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1799258, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1806608)
   Call: (220) [system] peek_char((0x560c892e10d0), _1807542)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1812262, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1813194, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1820544)
   Call: (221) [system] peek_char((0x560c892e10d0), _1821478)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1826198, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1827130, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1834480)
   Call: (222) [system] peek_char((0x560c892e10d0), _1835414)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1840134, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1841066, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1848416)
   Call: (223) [system] peek_char((0x560c892e10d0), _1849350)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1848416=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1834480=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1820544=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1806608=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1792672=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1778736=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (217) [system] _1764800=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1729290)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1875398)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1876350, _1876352), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1875398), _1876332, fail)), '$restore_trace'(_1876350, _1876352))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1876350, _1876352))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1875398), _1876332, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1875398)
   Fail: (218) [system] atomic(_1875398)
   Call: (218) [system] atom_chars(_1875398, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1729290='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1890348)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1892206)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1901800)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1904504)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1921438)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1927008)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1928866)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1944876)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1927008)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1962518)
   Call: (218) [system] peek_char((0x560c892e10d0), _1963452)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1962518=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1927008)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1972736)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1973688, _1973690), once(user:catch(read_from_chars(['A'], _1972736), _1973670, fail)), '$restore_trace'(_1973688, _1973690))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1973688, _1973690))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1972736), _1973670, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1972736)
   Fail: (219) [system] atomic(_1972736)
   Call: (219) [system] atom_chars(_1972736, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1927008='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1987686)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1989544)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1999138)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2001842)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2018776)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2024346)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2026204)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _2042214)
   Exit: (217) [system] get_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', _2024346)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _2059856)
   Call: (219) [system] peek_char((0x560c892e10d0), _2060790)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_2065510, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _2059856=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _2024346)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _2071946)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2072898, _2072900), once(user:catch(read_from_chars(['B'], _2071946), _2072880, fail)), '$restore_trace'(_2072898, _2072900))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2072898, _2072900))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2071946), _2072880, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_2071946)
   Fail: (220) [system] atomic(_2071946)
   Call: (220) [system] atom_chars(_2071946, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _2024346='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _2086896)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2088754)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _12416)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _16206)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _4444=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _4438=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (215) [system] _4432=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (214) [system] _4424=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _30088)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _31946)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _41540)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _44244)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _61178)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _66748)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _68606)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _84616)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _66748)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _102258)
   Call: (216) [system] peek_char((0x560c892e10d0), _103192)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_107912, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _102258=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _66748)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _114348)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_115300, _115302), once(user:catch(read_from_chars(['C'], _114348), _115282, fail)), '$restore_trace'(_115300, _115302))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_115300, _115302))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _114348), _115282, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_114348)
   Fail: (217) [system] atomic(_114348)
   Call: (217) [system] atom_chars(_114348, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _66748='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _129298)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _131156)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _147166)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _150956)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _129298=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _30088=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (212) [system] _4420=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4412=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _164838)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _166696)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _176290)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _178994)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _195928)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _201498)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _203356)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _219366)
   Exit: (211) [system] get_char((0x560c892e10d0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', _201498)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _237008)
   Call: (213) [system] peek_char((0x560c892e10d0), _237942)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_242662, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _237008=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _201498)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _249098)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_250050, _250052), once(user:catch(read_from_chars(['B'], _249098), _250032, fail)), '$restore_trace'(_250050, _250052))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_250050, _250052))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _249098), _250032, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_249098)
   Fail: (214) [system] atomic(_249098)
   Call: (214) [system] atom_chars(_249098, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _201498='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _264048)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _265906)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _281916)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _285706)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _264048=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _164838=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (209) [system] _4408=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (208) [system] _4400=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _299588)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _301446)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _317456)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _321246)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _299588=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _4396=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (205) [system] _4354=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (204) [system] _4346=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (204) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _335128)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _336986)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _352996)
   Exit: (203) [system] peek_char((0x560c892e10d0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x560c892e10d0), _356786)
   Exit: (203) [system] get_char((0x560c892e10d0), ')')
   Call: (203) [system] _335128=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [])
   Call: (202) [system] _4342=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (202) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (201) [system] _4300=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (201) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (200) [system] _4292=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (200) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (199) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (198) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (198) [user] read_list(')', (0x560c892e10d0), _370668)
^  Call: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _372526)
   Exit: (200) [system] peek_char((0x560c892e10d0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x560c892e10d0), _383976)
   Exit: (200) [system] get_char((0x560c892e10d0), '\n')
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _386680)
   Exit: (201) [system] peek_char((0x560c892e10d0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x560c892e10d0), _396274)
   Exit: (201) [system] get_char((0x560c892e10d0), ' ')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _398978)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
^  Exit: (199) [user] skip_spaces((0x560c892e10d0))
   Call: (199) [system] peek_char((0x560c892e10d0), _416836)
   Exit: (199) [system] peek_char((0x560c892e10d0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x560c892e10d0), _422406)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _424264)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] get_char((0x560c892e10d0), _440274)
   Exit: (200) [system] get_char((0x560c892e10d0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _422406)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _445844)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _461854)
   Exit: (201) [system] peek_char((0x560c892e10d0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _467424)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _469282)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _485292)
   Exit: (202) [system] get_char((0x560c892e10d0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x560c892e10d0), :, _467424)
^  Call: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), _502934)
   Call: (204) [system] peek_char((0x560c892e10d0), _503868)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _502934=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _467424)
^  Call: (204) [user] classify_and_convert_charseq_([:], _513152)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_514104, _514106), once(user:catch(read_from_chars([:], _513152), _514086, fail)), '$restore_trace'(_514104, _514106))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_514104, _514106))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _514086, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _467424=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _526232)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _528090)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _537684)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _540388)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _557322)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _562892)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _564750)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _580760)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _562892)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _586330)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _602340)
   Exit: (204) [system] peek_char((0x560c892e10d0), 'D')
   Call: (204) [system] 'D'=')'
   Fail: (204) [system] 'D'=')'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _607910)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _609768)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _625778)
   Exit: (205) [system] get_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'='('
   Fail: (205) [system] 'D'='('
   Call: (205) [system] 'D'='['
   Fail: (205) [system] 'D'='['
   Call: (205) [system] 'D'='{'
   Fail: (205) [system] 'D'='{'
   Call: (205) [system] 'D'='"'
   Fail: (205) [system] 'D'='"'
   Call: (205) [system] 'D'=!
   Fail: (205) [system] 'D'=!
   Call: (205) [system] 'D'='\''
   Fail: (205) [system] 'D'='\''
   Call: (205) [system] 'D'='`'
   Fail: (205) [system] 'D'='`'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), 'D', _607910)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _643420)
   Call: (207) [system] peek_char((0x560c892e10d0), _644354)
   Exit: (207) [system] peek_char((0x560c892e10d0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_649074, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_650006, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x560c892e10d0), i)
   Exit: (207) [system] get_char((0x560c892e10d0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _657356)
   Call: (208) [system] peek_char((0x560c892e10d0), _658290)
   Exit: (208) [system] peek_char((0x560c892e10d0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_663010, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_663942, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x560c892e10d0), s)
   Exit: (208) [system] get_char((0x560c892e10d0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _671292)
   Call: (209) [system] peek_char((0x560c892e10d0), _672226)
   Exit: (209) [system] peek_char((0x560c892e10d0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_676946, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_677878, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x560c892e10d0), j)
   Exit: (209) [system] get_char((0x560c892e10d0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _685228)
   Call: (210) [system] peek_char((0x560c892e10d0), _686162)
   Exit: (210) [system] peek_char((0x560c892e10d0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_690882, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_691814, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x560c892e10d0), u)
   Exit: (210) [system] get_char((0x560c892e10d0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _699164)
   Call: (211) [system] peek_char((0x560c892e10d0), _700098)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_704818, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_705750, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _713100)
   Call: (212) [system] peek_char((0x560c892e10d0), _714034)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_718754, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_719686, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _727036)
   Call: (213) [system] peek_char((0x560c892e10d0), _727970)
   Exit: (213) [system] peek_char((0x560c892e10d0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_732690, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_733622, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x560c892e10d0), t)
   Exit: (213) [system] get_char((0x560c892e10d0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _740972)
   Call: (214) [system] peek_char((0x560c892e10d0), _741906)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_746626, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_747558, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _754908)
   Call: (215) [system] peek_char((0x560c892e10d0), _755842)
   Exit: (215) [system] peek_char((0x560c892e10d0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_760562, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_761494, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x560c892e10d0), o)
   Exit: (215) [system] get_char((0x560c892e10d0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _768844)
   Call: (216) [system] peek_char((0x560c892e10d0), _769778)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_774498, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_775430, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _782780)
   Call: (217) [system] peek_char((0x560c892e10d0), _783714)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_788434, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_789366, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x560c892e10d0), 'I')
   Exit: (217) [system] get_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _796716)
   Call: (218) [system] peek_char((0x560c892e10d0), _797650)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_802370, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_803302, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _810652)
   Call: (219) [system] peek_char((0x560c892e10d0), _811586)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_816306, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_817238, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _824588)
   Call: (220) [system] peek_char((0x560c892e10d0), _825522)
   Exit: (220) [system] peek_char((0x560c892e10d0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_830242, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_831174, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x560c892e10d0), r)
   Exit: (220) [system] get_char((0x560c892e10d0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _838524)
   Call: (221) [system] peek_char((0x560c892e10d0), _839458)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_844178, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_845110, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _852460)
   Call: (222) [system] peek_char((0x560c892e10d0), _853394)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_858114, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_859046, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _866396)
   Call: (223) [system] peek_char((0x560c892e10d0), _867330)
   Exit: (223) [system] peek_char((0x560c892e10d0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_872050, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_872982, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x560c892e10d0), u)
   Exit: (223) [system] get_char((0x560c892e10d0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _880332)
   Call: (224) [system] peek_char((0x560c892e10d0), _881266)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_885986, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_886918, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _894268)
   Call: (225) [system] peek_char((0x560c892e10d0), _895202)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_899922, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_900854, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _908204)
   Call: (226) [system] peek_char((0x560c892e10d0), _909138)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_913858, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_914790, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _922140)
   Call: (227) [system] peek_char((0x560c892e10d0), _923074)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_927794, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_928726, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _936076)
   Call: (228) [system] peek_char((0x560c892e10d0), _937010)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_941730, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_942662, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _950012)
   Call: (229) [system] peek_char((0x560c892e10d0), _950946)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _950012=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _936076=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (227) [system] _922140=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (226) [system] _908204=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (225) [system] _894268=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (224) [system] _880332=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (223) [system] _866396=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (222) [system] _852460=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (221) [system] _838524=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _824588=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _810652=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _796716=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _782780=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _768844=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _754908=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _740972=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _727036=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _713100=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _699164=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _685228=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _671292=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _657356=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _643420=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _607910)
^  Call: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1022650, _1022652), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698), _1022632, fail)), '$restore_trace'(_1022650, _1022652))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1022650, _1022652))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698), _1022632, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1021698)
   Fail: (208) [system] atomic(_1021698)
   Call: (208) [system] atom_chars(_1021698, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (207) [system] integer('DisjunctionIntroduction')
   Fail: (207) [system] integer('DisjunctionIntroduction')
   Call: (207) [system] _607910='DisjunctionIntroduction'
   Exit: (207) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1036648)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1038506)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1048100)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1050804)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1067738)
   Exit: (205) [system] peek_char((0x560c892e10d0), a)
   Call: (205) [system] a=')'
   Fail: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1073308)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1075166)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1091176)
   Exit: (206) [system] get_char((0x560c892e10d0), a)
   Call: (206) [system] a='('
   Fail: (206) [system] a='('
   Call: (206) [system] a='['
   Fail: (206) [system] a='['
   Call: (206) [system] a='{'
   Fail: (206) [system] a='{'
   Call: (206) [system] a='"'
   Fail: (206) [system] a='"'
   Call: (206) [system] a=!
   Fail: (206) [system] a=!
   Call: (206) [system] a='\''
   Fail: (206) [system] a='\''
   Call: (206) [system] a='`'
   Fail: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), a, _1073308)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1108818)
   Call: (208) [system] peek_char((0x560c892e10d0), _1109752)
   Exit: (208) [system] peek_char((0x560c892e10d0), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Fail: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_1114472, v('(', ')', end_of_file), b)
   Fail: (209) [system] arg(_1115404, v('(', ')', end_of_file), b)
^  Fail: (208) [user] is_delimiter(b)
   Call: (208) [system] ')'==b
   Fail: (208) [system] ')'==b
   Call: (208) [system] get_char((0x560c892e10d0), b)
   Exit: (208) [system] get_char((0x560c892e10d0), b)
   Call: (208) [system] b=(\)
   Fail: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1122754)
   Call: (209) [system] peek_char((0x560c892e10d0), _1123688)
   Exit: (209) [system] peek_char((0x560c892e10d0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1128408, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1129340, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x560c892e10d0), c)
   Exit: (209) [system] get_char((0x560c892e10d0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1136690)
   Call: (210) [system] peek_char((0x560c892e10d0), _1137624)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1136690=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (209) [system] _1122754=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (208) [system] _1108818=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (207) [user] classify_and_convert_charseq([a, b, c], _1073308)
^  Call: (208) [user] classify_and_convert_charseq_([a, b, c], _1152496)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1153448, _1153450), once(user:catch(read_from_chars([a, b, c], _1152496), _1153430, fail)), '$restore_trace'(_1153448, _1153450))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1153448, _1153450))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1153430, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (208) [system] integer(abc)
   Fail: (208) [system] integer(abc)
   Call: (208) [system] _1073308=abc
   Exit: (208) [system] abc=abc
^  Exit: (207) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1165576)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1167434)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1177028)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1179732)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1196666)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1202236)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1204094)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1220104)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1202236)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1225674)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1241684)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1247254)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1249112)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1265122)
   Exit: (209) [system] get_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1247254)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1282764)
   Call: (211) [system] peek_char((0x560c892e10d0), _1283698)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1288418, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1289350, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1296700)
   Call: (212) [system] peek_char((0x560c892e10d0), _1297634)
   Exit: (212) [system] peek_char((0x560c892e10d0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1302354, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1303286, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x560c892e10d0), s)
   Exit: (212) [system] get_char((0x560c892e10d0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1310636)
   Call: (213) [system] peek_char((0x560c892e10d0), _1311570)
   Exit: (213) [system] peek_char((0x560c892e10d0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_1316290, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_1317222, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x560c892e10d0), j)
   Exit: (213) [system] get_char((0x560c892e10d0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1324572)
   Call: (214) [system] peek_char((0x560c892e10d0), _1325506)
   Exit: (214) [system] peek_char((0x560c892e10d0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_1330226, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_1331158, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x560c892e10d0), u)
   Exit: (214) [system] get_char((0x560c892e10d0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1338508)
   Call: (215) [system] peek_char((0x560c892e10d0), _1339442)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1344162, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1345094, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1352444)
   Call: (216) [system] peek_char((0x560c892e10d0), _1353378)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1358098, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1359030, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1366380)
   Call: (217) [system] peek_char((0x560c892e10d0), _1367314)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1372034, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1372966, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380316)
   Call: (218) [system] peek_char((0x560c892e10d0), _1381250)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1385970, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1386902, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394252)
   Call: (219) [system] peek_char((0x560c892e10d0), _1395186)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1399906, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1400838, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408188)
   Call: (220) [system] peek_char((0x560c892e10d0), _1409122)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1413842, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1414774, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422124)
   Call: (221) [system] peek_char((0x560c892e10d0), _1423058)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1427778, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1428710, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x560c892e10d0), 'I')
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436060)
   Call: (222) [system] peek_char((0x560c892e10d0), _1436994)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1441714, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1442646, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1449996)
   Call: (223) [system] peek_char((0x560c892e10d0), _1450930)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1455650, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1456582, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1463932)
   Call: (224) [system] peek_char((0x560c892e10d0), _1464866)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1469586, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1470518, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1477868)
   Call: (225) [system] peek_char((0x560c892e10d0), _1478802)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1483522, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1484454, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1491804)
   Call: (226) [system] peek_char((0x560c892e10d0), _1492738)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1497458, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1498390, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1505740)
   Call: (227) [system] peek_char((0x560c892e10d0), _1506674)
   Exit: (227) [system] peek_char((0x560c892e10d0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1511394, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1512326, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x560c892e10d0), u)
   Exit: (227) [system] get_char((0x560c892e10d0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1519676)
   Call: (228) [system] peek_char((0x560c892e10d0), _1520610)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1525330, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1526262, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1533612)
   Call: (229) [system] peek_char((0x560c892e10d0), _1534546)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1539266, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1540198, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1547548)
   Call: (230) [system] peek_char((0x560c892e10d0), _1548482)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1553202, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1554134, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561484)
   Call: (231) [system] peek_char((0x560c892e10d0), _1562418)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1567138, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1568070, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575420)
   Call: (232) [system] peek_char((0x560c892e10d0), _1576354)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1581074, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1582006, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589356)
   Call: (233) [system] peek_char((0x560c892e10d0), _1590290)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1589356=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1575420=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _1561484=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _1547548=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _1533612=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _1519676=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (227) [system] _1505740=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (226) [system] _1491804=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (225) [system] _1477868=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _1463932=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1449996=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1436060=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1422124=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1408188=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1394252=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1380316=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1366380=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1352444=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1338508=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1324572=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1310636=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1296700=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1282764=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1247254)
^  Call: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1661994, _1661996), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042), _1661976, fail)), '$restore_trace'(_1661994, _1661996))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1661994, _1661996))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042), _1661976, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1661042)
   Fail: (212) [system] atomic(_1661042)
   Call: (212) [system] atom_chars(_1661042, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (211) [system] integer('DisjunctionIntroduction')
   Fail: (211) [system] integer('DisjunctionIntroduction')
   Call: (211) [system] _1247254='DisjunctionIntroduction'
   Exit: (211) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1675992)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1677850)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1687444)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1690148)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1707082)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1712652)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1714510)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1730520)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), a, _1712652)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1748162)
   Call: (212) [system] peek_char((0x560c892e10d0), _1749096)
   Exit: (212) [system] peek_char((0x560c892e10d0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_1753816, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_1754748, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x560c892e10d0), b)
   Exit: (212) [system] get_char((0x560c892e10d0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1762098)
   Call: (213) [system] peek_char((0x560c892e10d0), _1763032)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1767752, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1768684, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1776034)
   Call: (214) [system] peek_char((0x560c892e10d0), _1776968)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1776034=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _1762098=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (212) [system] _1748162=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _1712652)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _1791840)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1792792, _1792794), once(user:catch(read_from_chars([a, b, c], _1791840), _1792774, fail)), '$restore_trace'(_1792792, _1792794))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1792792, _1792794))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1792774, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _1712652=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1804920)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1806778)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1816372)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1819076)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1836010)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
   Call: (210) [system] c=')'
   Fail: (210) [system] c=')'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1841580)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1843438)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1859448)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c='('
   Fail: (211) [system] c='('
   Call: (211) [system] c='['
   Fail: (211) [system] c='['
   Call: (211) [system] c='{'
   Fail: (211) [system] c='{'
   Call: (211) [system] c='"'
   Fail: (211) [system] c='"'
   Call: (211) [system] c=!
   Fail: (211) [system] c=!
   Call: (211) [system] c='\''
   Fail: (211) [system] c='\''
   Call: (211) [system] c='`'
   Fail: (211) [system] c='`'
   Call: (211) [system] c=end_of_file
   Fail: (211) [system] c=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), c, _1841580)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1877090)
   Call: (213) [system] peek_char((0x560c892e10d0), _1878024)
   Exit: (213) [system] peek_char((0x560c892e10d0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1882744, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1883676, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x560c892e10d0), d)
   Exit: (213) [system] get_char((0x560c892e10d0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1891026)
   Call: (214) [system] peek_char((0x560c892e10d0), _1891960)
   Exit: (214) [system] peek_char((0x560c892e10d0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1896680, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_1897612, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x560c892e10d0), e)
   Exit: (214) [system] get_char((0x560c892e10d0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904962)
   Call: (215) [system] peek_char((0x560c892e10d0), _1905896)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1910616, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1904962=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _1891026=[e]
   Exit: (214) [system] [e]=[e]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (213) [system] _1877090=[d, e]
   Exit: (213) [system] [d, e]=[d, e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (212) [user] classify_and_convert_charseq([c, d, e], _1841580)
^  Call: (213) [user] classify_and_convert_charseq_([c, d, e], _1922640)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1923592, _1923594), once(user:catch(read_from_chars([c, d, e], _1922640), _1923574, fail)), '$restore_trace'(_1923592, _1923594))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1923592, _1923594))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1923574, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(cde)
   Exit: (214) [system] atomic(cde)
^  Exit: (213) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (213) [system] integer(cde)
   Fail: (213) [system] integer(cde)
   Call: (213) [system] _1841580=cde
   Exit: (213) [system] cde=cde
^  Exit: (212) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1935720)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1937578)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1953588)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1957378)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1935720=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _1804920=[cde]
   Exit: (210) [system] [cde]=[cde]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (209) [system] _1675992=[abc, cde]
   Exit: (209) [system] [abc, cde]=[abc, cde]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [abc, cde])
   Call: (208) [system] _1202236=['DisjunctionIntroduction', abc, cde]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, cde])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1971260)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1973118)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1989128)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _1992918)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _1971260=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _1165576=[['DisjunctionIntroduction', abc, cde]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, cde]])
   Call: (205) [system] _1036648=[abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (205) [system] [abc, ['DisjunctionIntroduction', abc, cde]]=[abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', abc, cde]])
   Call: (204) [system] _562892=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (204) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _2006800)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2008658)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _2018252)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2020956)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _2037890)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _2043460)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2045318)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _2061328)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _2043460)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2066898)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
   Call: (206) [system] 'O'=(/)
   Fail: (206) [system] 'O'=(/)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2082908)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'O')
   Call: (205) [system] 'O'=')'
   Fail: (205) [system] 'O'=')'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _2088478)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2090336)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _13982)
   Exit: (206) [system] get_char((0x560c892e10d0), 'O')
   Call: (206) [system] 'O'='('
   Fail: (206) [system] 'O'='('
   Call: (206) [system] 'O'='['
   Fail: (206) [system] 'O'='['
   Call: (206) [system] 'O'='{'
   Fail: (206) [system] 'O'='{'
   Call: (206) [system] 'O'='"'
   Fail: (206) [system] 'O'='"'
   Call: (206) [system] 'O'=!
   Fail: (206) [system] 'O'=!
   Call: (206) [system] 'O'='\''
   Fail: (206) [system] 'O'='\''
   Call: (206) [system] 'O'='`'
   Fail: (206) [system] 'O'='`'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'O', _4520)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _31624)
   Call: (208) [system] peek_char((0x560c892e10d0), _32558)
   Exit: (208) [system] peek_char((0x560c892e10d0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_37278, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_38210, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x560c892e10d0), r)
   Exit: (208) [system] get_char((0x560c892e10d0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _45560)
   Call: (209) [system] peek_char((0x560c892e10d0), _46494)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_51214, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_52146, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x560c892e10d0), 'L')
   Exit: (209) [system] get_char((0x560c892e10d0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _59496)
   Call: (210) [system] peek_char((0x560c892e10d0), _60430)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_65150, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_66082, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _73432)
   Call: (211) [system] peek_char((0x560c892e10d0), _74366)
   Exit: (211) [system] peek_char((0x560c892e10d0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_79086, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_80018, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x560c892e10d0), n)
   Exit: (211) [system] get_char((0x560c892e10d0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _87368)
   Call: (212) [system] peek_char((0x560c892e10d0), _88302)
   Exit: (212) [system] peek_char((0x560c892e10d0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_93022, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_93954, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x560c892e10d0), k)
   Exit: (212) [system] get_char((0x560c892e10d0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _101304)
   Call: (213) [system] peek_char((0x560c892e10d0), _102238)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _101304=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _87368=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (211) [system] _73432=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (210) [system] _59496=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (209) [system] _45560=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (208) [system] _31624=[r, 'L', i, n, k]
   Exit: (208) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _4520)
^  Call: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _125492)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_126444, _126446), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _125492), _126426, fail)), '$restore_trace'(_126444, _126446))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_126444, _126446))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _125492), _126426, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_125492)
   Fail: (209) [system] atomic(_125492)
   Call: (209) [system] atom_chars(_125492, ['O', r, 'L', i, n, k])
   Exit: (209) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (208) [system] integer('OrLink')
   Fail: (208) [system] integer('OrLink')
   Call: (208) [system] _4520='OrLink'
   Exit: (208) [system] 'OrLink'='OrLink'
^  Exit: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _140442)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _142300)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _151894)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _154598)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _171532)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _177102)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _178960)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _194970)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _177102)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _200540)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _216550)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _222120)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _223978)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _239988)
   Exit: (209) [system] get_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', _222120)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _257630)
   Call: (211) [system] peek_char((0x560c892e10d0), _258564)
   Exit: (211) [system] peek_char((0x560c892e10d0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_263284, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_264216, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x560c892e10d0), m)
   Exit: (211) [system] get_char((0x560c892e10d0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _271566)
   Call: (212) [system] peek_char((0x560c892e10d0), _272500)
   Exit: (212) [system] peek_char((0x560c892e10d0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_277220, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_278152, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x560c892e10d0), p)
   Exit: (212) [system] get_char((0x560c892e10d0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _285502)
   Call: (213) [system] peek_char((0x560c892e10d0), _286436)
   Exit: (213) [system] peek_char((0x560c892e10d0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_291156, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_292088, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x560c892e10d0), l)
   Exit: (213) [system] get_char((0x560c892e10d0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _299438)
   Call: (214) [system] peek_char((0x560c892e10d0), _300372)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_305092, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_306024, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _313374)
   Call: (215) [system] peek_char((0x560c892e10d0), _314308)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_319028, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_319960, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _327310)
   Call: (216) [system] peek_char((0x560c892e10d0), _328244)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_332964, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_333896, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x560c892e10d0), a)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _341246)
   Call: (217) [system] peek_char((0x560c892e10d0), _342180)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_346900, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_347832, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _355182)
   Call: (218) [system] peek_char((0x560c892e10d0), _356116)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_360836, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_361768, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _369118)
   Call: (219) [system] peek_char((0x560c892e10d0), _370052)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_374772, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_375704, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _383054)
   Call: (220) [system] peek_char((0x560c892e10d0), _383988)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_388708, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_389640, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _396990)
   Call: (221) [system] peek_char((0x560c892e10d0), _397924)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _396990=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _383054=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (219) [system] _369118=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (218) [system] _355182=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (217) [system] _341246=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (216) [system] _327310=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (215) [system] _313374=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (214) [system] _299438=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (213) [system] _285502=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _271566=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _257630=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _222120)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _435148)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_436100, _436102), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435148), _436082, fail)), '$restore_trace'(_436100, _436102))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_436100, _436102))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435148), _436082, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_435148)
   Fail: (212) [system] atomic(_435148)
   Call: (212) [system] atom_chars(_435148, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _222120='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _450098)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _451956)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _461550)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _464254)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _481188)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _486758)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _488616)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _504626)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _486758)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _510196)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _526206)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _531776)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _533634)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _549644)
   Exit: (212) [system] get_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', _531776)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _567286)
   Call: (214) [system] peek_char((0x560c892e10d0), _568220)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_572940, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_573872, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _581222)
   Call: (215) [system] peek_char((0x560c892e10d0), _582156)
   Exit: (215) [system] peek_char((0x560c892e10d0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_586876, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_587808, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x560c892e10d0), d)
   Exit: (215) [system] get_char((0x560c892e10d0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _595158)
   Call: (216) [system] peek_char((0x560c892e10d0), _596092)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_600812, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_601744, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x560c892e10d0), 'L')
   Exit: (216) [system] get_char((0x560c892e10d0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _609094)
   Call: (217) [system] peek_char((0x560c892e10d0), _610028)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_614748, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_615680, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _623030)
   Call: (218) [system] peek_char((0x560c892e10d0), _623964)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_628684, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_629616, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _636966)
   Call: (219) [system] peek_char((0x560c892e10d0), _637900)
   Exit: (219) [system] peek_char((0x560c892e10d0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_642620, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_643552, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x560c892e10d0), k)
   Exit: (219) [system] get_char((0x560c892e10d0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _650902)
   Call: (220) [system] peek_char((0x560c892e10d0), _651836)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _650902=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _636966=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (218) [system] _623030=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (217) [system] _609094=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (216) [system] _595158=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (215) [system] _581222=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (214) [system] _567286=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _531776)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _677884)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_678836, _678838), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _677884), _678818, fail)), '$restore_trace'(_678836, _678838))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_678836, _678838))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _677884), _678818, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_677884)
   Fail: (215) [system] atomic(_677884)
   Call: (215) [system] atom_chars(_677884, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _531776='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _692834)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _694692)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _704286)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _706990)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _723924)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _729494)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _731352)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _747362)
   Exit: (213) [system] get_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', _729494)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _765004)
   Call: (215) [system] peek_char((0x560c892e10d0), _765938)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _765004=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _729494)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _775222)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_776174, _776176), once(user:catch(read_from_chars(['A'], _775222), _776156, fail)), '$restore_trace'(_776174, _776176))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_776174, _776176))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _775222), _776156, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_775222)
   Fail: (216) [system] atomic(_775222)
   Call: (216) [system] atom_chars(_775222, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _729494='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _790172)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _792030)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _801624)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _804328)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _821262)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _826832)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _828690)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _844700)
   Exit: (214) [system] get_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', _826832)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _862342)
   Call: (216) [system] peek_char((0x560c892e10d0), _863276)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_867996, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _862342=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _826832)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _874432)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_875384, _875386), once(user:catch(read_from_chars(['B'], _874432), _875366, fail)), '$restore_trace'(_875384, _875386))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_875384, _875386))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _874432), _875366, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_874432)
   Fail: (217) [system] atomic(_874432)
   Call: (217) [system] atom_chars(_874432, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _826832='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _889382)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _891240)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _907250)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _911040)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _889382=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _790172=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (212) [system] _692834=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (211) [system] _486758=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _924922)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _926780)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _936374)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _939078)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _956012)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _961582)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _963440)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _979450)
   Exit: (211) [system] get_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', _961582)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _997092)
   Call: (213) [system] peek_char((0x560c892e10d0), _998026)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1002746, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _997092=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _961582)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _1009182)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1010134, _1010136), once(user:catch(read_from_chars(['C'], _1009182), _1010116, fail)), '$restore_trace'(_1010134, _1010136))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1010134, _1010136))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1009182), _1010116, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1009182)
   Fail: (214) [system] atomic(_1009182)
   Call: (214) [system] atom_chars(_1009182, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _961582='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1024132)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1025990)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1042000)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1045790)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1024132=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _924922=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (209) [system] _450098=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _177102=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1059672)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1061530)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1071124)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1073828)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1090762)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1096332)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1098190)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1114200)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1096332)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1119770)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1135780)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1141350)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1143208)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1159218)
   Exit: (210) [system] get_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1141350)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1176860)
   Call: (212) [system] peek_char((0x560c892e10d0), _1177794)
   Exit: (212) [system] peek_char((0x560c892e10d0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1182514, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1183446, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x560c892e10d0), r)
   Exit: (212) [system] get_char((0x560c892e10d0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1190796)
   Call: (213) [system] peek_char((0x560c892e10d0), _1191730)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1196450, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1197382, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1204732)
   Call: (214) [system] peek_char((0x560c892e10d0), _1205666)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1210386, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1211318, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1218668)
   Call: (215) [system] peek_char((0x560c892e10d0), _1219602)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1224322, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1225254, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1232604)
   Call: (216) [system] peek_char((0x560c892e10d0), _1233538)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1238258, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1239190, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1246540)
   Call: (217) [system] peek_char((0x560c892e10d0), _1247474)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1246540=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _1232604=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _1218668=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _1204732=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _1190796=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _1176860=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1141350)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1270728)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1271680, _1271682), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1270728), _1271662, fail)), '$restore_trace'(_1271680, _1271682))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1271680, _1271682))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1270728), _1271662, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1270728)
   Fail: (213) [system] atomic(_1270728)
   Call: (213) [system] atom_chars(_1270728, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _1141350='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1285678)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1287536)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1297130)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1299834)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1316768)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1322338)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1324196)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1340206)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1322338)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1345776)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1361786)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1367356)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1369214)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1385224)
   Exit: (213) [system] get_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1367356)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1402866)
   Call: (215) [system] peek_char((0x560c892e10d0), _1403800)
   Exit: (215) [system] peek_char((0x560c892e10d0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1408520, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1409452, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x560c892e10d0), m)
   Exit: (215) [system] get_char((0x560c892e10d0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1416802)
   Call: (216) [system] peek_char((0x560c892e10d0), _1417736)
   Exit: (216) [system] peek_char((0x560c892e10d0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1422456, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1423388, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x560c892e10d0), p)
   Exit: (216) [system] get_char((0x560c892e10d0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1430738)
   Call: (217) [system] peek_char((0x560c892e10d0), _1431672)
   Exit: (217) [system] peek_char((0x560c892e10d0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1436392, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1437324, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x560c892e10d0), l)
   Exit: (217) [system] get_char((0x560c892e10d0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1444674)
   Call: (218) [system] peek_char((0x560c892e10d0), _1445608)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1450328, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1451260, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1458610)
   Call: (219) [system] peek_char((0x560c892e10d0), _1459544)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1464264, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1465196, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1472546)
   Call: (220) [system] peek_char((0x560c892e10d0), _1473480)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1478200, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_1479132, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x560c892e10d0), a)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1486482)
   Call: (221) [system] peek_char((0x560c892e10d0), _1487416)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1492136, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1493068, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1500418)
   Call: (222) [system] peek_char((0x560c892e10d0), _1501352)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1506072, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1507004, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1514354)
   Call: (223) [system] peek_char((0x560c892e10d0), _1515288)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1520008, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1520940, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1528290)
   Call: (224) [system] peek_char((0x560c892e10d0), _1529224)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1533944, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1534876, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1542226)
   Call: (225) [system] peek_char((0x560c892e10d0), _1543160)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1542226=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1528290=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (223) [system] _1514354=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (222) [system] _1500418=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (221) [system] _1486482=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (220) [system] _1472546=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (219) [system] _1458610=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (218) [system] _1444674=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (217) [system] _1430738=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1416802=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1402866=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1367356)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1580384)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1581336, _1581338), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1580384), _1581318, fail)), '$restore_trace'(_1581336, _1581338))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1581336, _1581338))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1580384), _1581318, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1580384)
   Fail: (216) [system] atomic(_1580384)
   Call: (216) [system] atom_chars(_1580384, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _1367356='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1595334)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1597192)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1606786)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1609490)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1626424)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1631994)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1633852)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1649862)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1631994)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1655432)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1671442)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1677012)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1678870)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1694880)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1677012)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1712522)
   Call: (218) [system] peek_char((0x560c892e10d0), _1713456)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1718176, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1719108, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1726458)
   Call: (219) [system] peek_char((0x560c892e10d0), _1727392)
   Exit: (219) [system] peek_char((0x560c892e10d0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1732112, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1733044, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x560c892e10d0), d)
   Exit: (219) [system] get_char((0x560c892e10d0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1740394)
   Call: (220) [system] peek_char((0x560c892e10d0), _1741328)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1746048, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1746980, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1754330)
   Call: (221) [system] peek_char((0x560c892e10d0), _1755264)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1759984, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1760916, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1768266)
   Call: (222) [system] peek_char((0x560c892e10d0), _1769200)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1773920, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1774852, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1782202)
   Call: (223) [system] peek_char((0x560c892e10d0), _1783136)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1787856, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1788788, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1796138)
   Call: (224) [system] peek_char((0x560c892e10d0), _1797072)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1796138=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1782202=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _1768266=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _1754330=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _1740394=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _1726458=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (218) [system] _1712522=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1677012)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1823120)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1824072, _1824074), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1823120), _1824054, fail)), '$restore_trace'(_1824072, _1824074))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1824072, _1824074))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1823120), _1824054, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1823120)
   Fail: (219) [system] atomic(_1823120)
   Call: (219) [system] atom_chars(_1823120, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _1677012='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1838070)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1839928)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1849522)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1852226)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1869160)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1874730)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1876588)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1892598)
   Exit: (217) [system] get_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1874730)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910240)
   Call: (219) [system] peek_char((0x560c892e10d0), _1911174)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1910240=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _1874730)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _1920458)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1921410, _1921412), once(user:catch(read_from_chars(['A'], _1920458), _1921392, fail)), '$restore_trace'(_1921410, _1921412))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1921410, _1921412))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1920458), _1921392, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1920458)
   Fail: (220) [system] atomic(_1920458)
   Call: (220) [system] atom_chars(_1920458, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _1874730='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1935408)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1937266)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1946860)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1949564)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1966498)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1972068)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1973926)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1989936)
   Exit: (218) [system] get_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1972068)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2007578)
   Call: (220) [system] peek_char((0x560c892e10d0), _2008512)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_2013232, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _2007578=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _1972068)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _2019668)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2020620, _2020622), once(user:catch(read_from_chars(['B'], _2019668), _2020602, fail)), '$restore_trace'(_2020620, _2020622))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2020620, _2020622))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2019668), _2020602, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_2019668)
   Fail: (221) [system] atomic(_2019668)
   Call: (221) [system] atom_chars(_2019668, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _1972068='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _2034618)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2036476)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2052486)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _2056276)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _2034618=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _1935408=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (216) [system] _1838070=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (215) [system] _1631994=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _2070158)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2072016)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _2081610)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2084314)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _9066)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _14636)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _16494)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _32504)
   Exit: (215) [system] get_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'C', _14636)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _50146)
   Call: (217) [system] peek_char((0x560c892e10d0), _51080)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_55800, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _50146=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _14636)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _62236)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_63188, _63190), once(user:catch(read_from_chars(['C'], _62236), _63170, fail)), '$restore_trace'(_63188, _63190))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_63188, _63190))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _62236), _63170, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_62236)
   Fail: (218) [system] atomic(_62236)
   Call: (218) [system] atom_chars(_62236, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _14636='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _77186)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _79044)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _95054)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _98844)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _77186=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _4612=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (213) [system] _4588=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _4580=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _112726)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _114584)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _124178)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _126882)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _143816)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _149386)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _151244)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _167254)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _149386)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _172824)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _188834)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _194404)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _196262)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _212272)
   Exit: (214) [system] get_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', _194404)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _229914)
   Call: (216) [system] peek_char((0x560c892e10d0), _230848)
   Exit: (216) [system] peek_char((0x560c892e10d0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_235568, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_236500, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x560c892e10d0), m)
   Exit: (216) [system] get_char((0x560c892e10d0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _243850)
   Call: (217) [system] peek_char((0x560c892e10d0), _244784)
   Exit: (217) [system] peek_char((0x560c892e10d0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_249504, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_250436, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x560c892e10d0), p)
   Exit: (217) [system] get_char((0x560c892e10d0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _257786)
   Call: (218) [system] peek_char((0x560c892e10d0), _258720)
   Exit: (218) [system] peek_char((0x560c892e10d0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_263440, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_264372, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x560c892e10d0), l)
   Exit: (218) [system] get_char((0x560c892e10d0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _271722)
   Call: (219) [system] peek_char((0x560c892e10d0), _272656)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_277376, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_278308, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _285658)
   Call: (220) [system] peek_char((0x560c892e10d0), _286592)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_291312, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_292244, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _299594)
   Call: (221) [system] peek_char((0x560c892e10d0), _300528)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_305248, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_306180, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x560c892e10d0), a)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _313530)
   Call: (222) [system] peek_char((0x560c892e10d0), _314464)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_319184, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_320116, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _327466)
   Call: (223) [system] peek_char((0x560c892e10d0), _328400)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_333120, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_334052, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _341402)
   Call: (224) [system] peek_char((0x560c892e10d0), _342336)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_347056, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_347988, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _355338)
   Call: (225) [system] peek_char((0x560c892e10d0), _356272)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_360992, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_361924, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _369274)
   Call: (226) [system] peek_char((0x560c892e10d0), _370208)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _369274=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _355338=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (224) [system] _341402=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (223) [system] _327466=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (222) [system] _313530=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (221) [system] _299594=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (220) [system] _285658=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (219) [system] _271722=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (218) [system] _257786=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _243850=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _229914=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _194404)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _407432)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_408384, _408386), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _407432), _408366, fail)), '$restore_trace'(_408384, _408386))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_408384, _408386))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _407432), _408366, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_407432)
   Fail: (217) [system] atomic(_407432)
   Call: (217) [system] atom_chars(_407432, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _194404='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _422382)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _424240)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _433834)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _436538)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _453472)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _459042)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _460900)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _476910)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _459042)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _482480)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _498490)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _504060)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _505918)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _521928)
   Exit: (217) [system] get_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', _504060)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _539570)
   Call: (219) [system] peek_char((0x560c892e10d0), _540504)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_545224, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_546156, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _553506)
   Call: (220) [system] peek_char((0x560c892e10d0), _554440)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_559160, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_560092, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _567442)
   Call: (221) [system] peek_char((0x560c892e10d0), _568376)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_573096, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_574028, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _581378)
   Call: (222) [system] peek_char((0x560c892e10d0), _582312)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_587032, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_587964, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _595314)
   Call: (223) [system] peek_char((0x560c892e10d0), _596248)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_600968, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_601900, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _609250)
   Call: (224) [system] peek_char((0x560c892e10d0), _610184)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _609250=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _595314=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _581378=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _567442=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _553506=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _539570=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _504060)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _633438)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_634390, _634392), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _633438), _634372, fail)), '$restore_trace'(_634390, _634392))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_634390, _634392))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _633438), _634372, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_633438)
   Fail: (220) [system] atomic(_633438)
   Call: (220) [system] atom_chars(_633438, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _504060='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _648388)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _650246)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _659840)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _662544)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _679478)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _685048)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _686906)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _702916)
   Exit: (218) [system] get_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', _685048)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _720558)
   Call: (220) [system] peek_char((0x560c892e10d0), _721492)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _720558=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _685048)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _730776)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_731728, _731730), once(user:catch(read_from_chars(['C'], _730776), _731710, fail)), '$restore_trace'(_731728, _731730))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_731728, _731730))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _730776), _731710, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_730776)
   Fail: (221) [system] atomic(_730776)
   Call: (221) [system] atom_chars(_730776, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _685048='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _745726)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _747584)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _757178)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _759882)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _776816)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _782386)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _784244)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _800254)
   Exit: (219) [system] get_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', _782386)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _817896)
   Call: (221) [system] peek_char((0x560c892e10d0), _818830)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_823550, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _817896=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['D'], _782386)
^  Call: (221) [user] classify_and_convert_charseq_(['D'], _829986)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_830938, _830940), once(user:catch(read_from_chars(['D'], _829986), _830920, fail)), '$restore_trace'(_830938, _830940))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_830938, _830940))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _829986), _830920, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_829986)
   Fail: (222) [system] atomic(_829986)
   Call: (222) [system] atom_chars(_829986, ['D'])
   Exit: (222) [system] atom_chars('D', ['D'])
^  Exit: (221) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (221) [system] integer('D')
   Fail: (221) [system] integer('D')
   Call: (221) [system] _782386='D'
   Exit: (221) [system] 'D'='D'
^  Exit: (220) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _844936)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _846794)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _862804)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _866594)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _844936=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _745726=['D']
   Exit: (218) [system] ['D']=['D']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (217) [system] _648388=['C', 'D']
   Exit: (217) [system] ['C', 'D']=['C', 'D']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (216) [system] _459042=['OrLink', 'C', 'D']
   Exit: (216) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _880476)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _882334)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _891928)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _894632)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _911566)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'E')
   Call: (215) [system] 'E'=')'
   Fail: (215) [system] 'E'=')'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _917136)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _918994)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _935004)
   Exit: (216) [system] get_char((0x560c892e10d0), 'E')
   Call: (216) [system] 'E'='('
   Fail: (216) [system] 'E'='('
   Call: (216) [system] 'E'='['
   Fail: (216) [system] 'E'='['
   Call: (216) [system] 'E'='{'
   Fail: (216) [system] 'E'='{'
   Call: (216) [system] 'E'='"'
   Fail: (216) [system] 'E'='"'
   Call: (216) [system] 'E'=!
   Fail: (216) [system] 'E'=!
   Call: (216) [system] 'E'='\''
   Fail: (216) [system] 'E'='\''
   Call: (216) [system] 'E'='`'
   Fail: (216) [system] 'E'='`'
   Call: (216) [system] 'E'=end_of_file
   Fail: (216) [system] 'E'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'E', _917136)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _952646)
   Call: (218) [system] peek_char((0x560c892e10d0), _953580)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_958300, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _952646=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['E'], _917136)
^  Call: (218) [user] classify_and_convert_charseq_(['E'], _964736)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_965688, _965690), once(user:catch(read_from_chars(['E'], _964736), _965670, fail)), '$restore_trace'(_965688, _965690))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_965688, _965690))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _964736), _965670, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_964736)
   Fail: (219) [system] atomic(_964736)
   Call: (219) [system] atom_chars(_964736, ['E'])
   Exit: (219) [system] atom_chars('E', ['E'])
^  Exit: (218) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (218) [system] integer('E')
   Fail: (218) [system] integer('E')
   Call: (218) [system] _917136='E'
   Exit: (218) [system] 'E'='E'
^  Exit: (217) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _979686)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _981544)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _997554)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1001344)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _979686=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _880476=['E']
   Exit: (215) [system] ['E']=['E']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (214) [system] _422382=[['OrLink', 'C', 'D'], 'E']
   Exit: (214) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (213) [system] _149386=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1015226)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1017084)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1033094)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1036884)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1015226=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _112726=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (211) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (210) [system] _4576=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _4568=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1050766)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1052624)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1068634)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1072424)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1050766=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _4564=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (206) [system] _4522=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4514=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1086306)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1088164)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1104174)
   Exit: (204) [system] peek_char((0x560c892e10d0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x560c892e10d0), _1107964)
   Exit: (204) [system] get_char((0x560c892e10d0), ')')
   Call: (204) [system] _1086306=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [])
   Call: (203) [system] _4510=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (203) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (202) [system] _4468=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (202) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (201) [system] _4460=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (201) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (200) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (199) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (199) [user] read_list(')', (0x560c892e10d0), _1121846)
^  Call: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1123704)
   Exit: (201) [system] peek_char((0x560c892e10d0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x560c892e10d0), _1135154)
   Exit: (201) [system] get_char((0x560c892e10d0), '\n')
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1137858)
   Exit: (202) [system] peek_char((0x560c892e10d0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x560c892e10d0), _1147452)
   Exit: (202) [system] get_char((0x560c892e10d0), ' ')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1150156)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
^  Exit: (200) [user] skip_spaces((0x560c892e10d0))
   Call: (200) [system] peek_char((0x560c892e10d0), _1168014)
   Exit: (200) [system] peek_char((0x560c892e10d0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x560c892e10d0), _1173584)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1175442)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] get_char((0x560c892e10d0), _1191452)
   Exit: (201) [system] get_char((0x560c892e10d0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _1173584)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1197022)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1213032)
   Exit: (202) [system] peek_char((0x560c892e10d0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1218602)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1220460)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1236470)
   Exit: (203) [system] get_char((0x560c892e10d0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x560c892e10d0), :, _1218602)
^  Call: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), _1254112)
   Call: (205) [system] peek_char((0x560c892e10d0), _1255046)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1254112=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1218602)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1264330)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1265282, _1265284), once(user:catch(read_from_chars([:], _1264330), _1265264, fail)), '$restore_trace'(_1265282, _1265284))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1265282, _1265284))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1265264, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1218602=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1277410)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1279268)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _1288862)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1291566)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1308500)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1314070)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1315928)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1331938)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1314070)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1337508)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1353518)
   Exit: (205) [system] peek_char((0x560c892e10d0), 'D')
   Call: (205) [system] 'D'=')'
   Fail: (205) [system] 'D'=')'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1359088)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1360946)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1376956)
   Exit: (206) [system] get_char((0x560c892e10d0), 'D')
   Call: (206) [system] 'D'='('
   Fail: (206) [system] 'D'='('
   Call: (206) [system] 'D'='['
   Fail: (206) [system] 'D'='['
   Call: (206) [system] 'D'='{'
   Fail: (206) [system] 'D'='{'
   Call: (206) [system] 'D'='"'
   Fail: (206) [system] 'D'='"'
   Call: (206) [system] 'D'=!
   Fail: (206) [system] 'D'=!
   Call: (206) [system] 'D'='\''
   Fail: (206) [system] 'D'='\''
   Call: (206) [system] 'D'='`'
   Fail: (206) [system] 'D'='`'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1359088)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _1394598)
   Call: (208) [system] peek_char((0x560c892e10d0), _1395532)
   Exit: (208) [system] peek_char((0x560c892e10d0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1400252, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1401184, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x560c892e10d0), i)
   Exit: (208) [system] get_char((0x560c892e10d0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1408534)
   Call: (209) [system] peek_char((0x560c892e10d0), _1409468)
   Exit: (209) [system] peek_char((0x560c892e10d0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1414188, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1415120, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x560c892e10d0), s)
   Exit: (209) [system] get_char((0x560c892e10d0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1422470)
   Call: (210) [system] peek_char((0x560c892e10d0), _1423404)
   Exit: (210) [system] peek_char((0x560c892e10d0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1428124, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1429056, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x560c892e10d0), j)
   Exit: (210) [system] get_char((0x560c892e10d0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1436406)
   Call: (211) [system] peek_char((0x560c892e10d0), _1437340)
   Exit: (211) [system] peek_char((0x560c892e10d0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1442060, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1442992, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x560c892e10d0), u)
   Exit: (211) [system] get_char((0x560c892e10d0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1450342)
   Call: (212) [system] peek_char((0x560c892e10d0), _1451276)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1455996, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1456928, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1464278)
   Call: (213) [system] peek_char((0x560c892e10d0), _1465212)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1469932, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1470864, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1478214)
   Call: (214) [system] peek_char((0x560c892e10d0), _1479148)
   Exit: (214) [system] peek_char((0x560c892e10d0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1483868, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1484800, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x560c892e10d0), t)
   Exit: (214) [system] get_char((0x560c892e10d0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1492150)
   Call: (215) [system] peek_char((0x560c892e10d0), _1493084)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1497804, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1498736, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1506086)
   Call: (216) [system] peek_char((0x560c892e10d0), _1507020)
   Exit: (216) [system] peek_char((0x560c892e10d0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1511740, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1512672, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x560c892e10d0), o)
   Exit: (216) [system] get_char((0x560c892e10d0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1520022)
   Call: (217) [system] peek_char((0x560c892e10d0), _1520956)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1525676, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1526608, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1533958)
   Call: (218) [system] peek_char((0x560c892e10d0), _1534892)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1539612, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1540544, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x560c892e10d0), 'I')
   Exit: (218) [system] get_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1547894)
   Call: (219) [system] peek_char((0x560c892e10d0), _1548828)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1553548, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1554480, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1561830)
   Call: (220) [system] peek_char((0x560c892e10d0), _1562764)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1567484, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1568416, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1575766)
   Call: (221) [system] peek_char((0x560c892e10d0), _1576700)
   Exit: (221) [system] peek_char((0x560c892e10d0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1581420, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1582352, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x560c892e10d0), r)
   Exit: (221) [system] get_char((0x560c892e10d0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1589702)
   Call: (222) [system] peek_char((0x560c892e10d0), _1590636)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1595356, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1596288, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1603638)
   Call: (223) [system] peek_char((0x560c892e10d0), _1604572)
   Exit: (223) [system] peek_char((0x560c892e10d0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1609292, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1610224, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x560c892e10d0), d)
   Exit: (223) [system] get_char((0x560c892e10d0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1617574)
   Call: (224) [system] peek_char((0x560c892e10d0), _1618508)
   Exit: (224) [system] peek_char((0x560c892e10d0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1623228, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1624160, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x560c892e10d0), u)
   Exit: (224) [system] get_char((0x560c892e10d0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1631510)
   Call: (225) [system] peek_char((0x560c892e10d0), _1632444)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1637164, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1638096, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1645446)
   Call: (226) [system] peek_char((0x560c892e10d0), _1646380)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1651100, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1652032, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1659382)
   Call: (227) [system] peek_char((0x560c892e10d0), _1660316)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1665036, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1665968, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1673318)
   Call: (228) [system] peek_char((0x560c892e10d0), _1674252)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1678972, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1679904, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1687254)
   Call: (229) [system] peek_char((0x560c892e10d0), _1688188)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1692908, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1693840, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1701190)
   Call: (230) [system] peek_char((0x560c892e10d0), _1702124)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1701190=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1687254=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (228) [system] _1673318=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (227) [system] _1659382=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (226) [system] _1645446=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (225) [system] _1631510=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (224) [system] _1617574=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (223) [system] _1603638=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1589702=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1575766=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1561830=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1547894=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1533958=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1520022=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1506086=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1492150=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1478214=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1464278=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1450342=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1436406=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1422470=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1408534=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1394598=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1359088)
^  Call: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1773828, _1773830), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876), _1773810, fail)), '$restore_trace'(_1773828, _1773830))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1773828, _1773830))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876), _1773810, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1772876)
   Fail: (209) [system] atomic(_1772876)
   Call: (209) [system] atom_chars(_1772876, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (208) [system] integer('DisjunctionIntroduction')
   Fail: (208) [system] integer('DisjunctionIntroduction')
   Call: (208) [system] _1359088='DisjunctionIntroduction'
   Exit: (208) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1787826)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1789684)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1799278)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1801982)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1818916)
   Exit: (206) [system] peek_char((0x560c892e10d0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1824486)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1826344)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1842354)
   Exit: (207) [system] get_char((0x560c892e10d0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), a, _1824486)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1859996)
   Call: (209) [system] peek_char((0x560c892e10d0), _1860930)
   Exit: (209) [system] peek_char((0x560c892e10d0), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Fail: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_1865650, v('(', ')', end_of_file), b)
   Fail: (210) [system] arg(_1866582, v('(', ')', end_of_file), b)
^  Fail: (209) [user] is_delimiter(b)
   Call: (209) [system] ')'==b
   Fail: (209) [system] ')'==b
   Call: (209) [system] get_char((0x560c892e10d0), b)
   Exit: (209) [system] get_char((0x560c892e10d0), b)
   Call: (209) [system] b=(\)
   Fail: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1873932)
   Call: (210) [system] peek_char((0x560c892e10d0), _1874866)
   Exit: (210) [system] peek_char((0x560c892e10d0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1879586, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1880518, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x560c892e10d0), c)
   Exit: (210) [system] get_char((0x560c892e10d0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1887868)
   Call: (211) [system] peek_char((0x560c892e10d0), _1888802)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1887868=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (210) [system] _1873932=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (209) [system] _1859996=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (208) [user] classify_and_convert_charseq([a, b, c], _1824486)
^  Call: (209) [user] classify_and_convert_charseq_([a, b, c], _1903674)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1904626, _1904628), once(user:catch(read_from_chars([a, b, c], _1903674), _1904608, fail)), '$restore_trace'(_1904626, _1904628))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1904626, _1904628))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1904608, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (209) [system] integer(abc)
   Fail: (209) [system] integer(abc)
   Call: (209) [system] _1824486=abc
   Exit: (209) [system] abc=abc
^  Exit: (208) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1916754)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1918612)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1928206)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1930910)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1947844)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1953414)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1955272)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1971282)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1953414)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1976852)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1992862)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1998432)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2000290)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _2016300)
   Exit: (210) [system] get_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1998432)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _2033942)
   Call: (212) [system] peek_char((0x560c892e10d0), _2034876)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2039596, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_2040528, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _2047878)
   Call: (213) [system] peek_char((0x560c892e10d0), _2048812)
   Exit: (213) [system] peek_char((0x560c892e10d0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_2053532, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_2054464, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x560c892e10d0), s)
   Exit: (213) [system] get_char((0x560c892e10d0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2061814)
   Call: (214) [system] peek_char((0x560c892e10d0), _2062748)
   Exit: (214) [system] peek_char((0x560c892e10d0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_2067468, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_2068400, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x560c892e10d0), j)
   Exit: (214) [system] get_char((0x560c892e10d0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _2075750)
   Call: (215) [system] peek_char((0x560c892e10d0), _2076684)
   Exit: (215) [system] peek_char((0x560c892e10d0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_2081404, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_2082336, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x560c892e10d0), u)
   Exit: (215) [system] get_char((0x560c892e10d0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _2089686)
   Call: (216) [system] peek_char((0x560c892e10d0), _2090620)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2095340, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_4790, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _11580)
   Call: (217) [system] peek_char((0x560c892e10d0), _12514)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_17234, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_18166, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _25516)
   Call: (218) [system] peek_char((0x560c892e10d0), _26450)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_31170, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_32102, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _39452)
   Call: (219) [system] peek_char((0x560c892e10d0), _40386)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_45106, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_46038, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _53388)
   Call: (220) [system] peek_char((0x560c892e10d0), _54322)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_59042, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_59974, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _67324)
   Call: (221) [system] peek_char((0x560c892e10d0), _68258)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_72978, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_73910, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _81260)
   Call: (222) [system] peek_char((0x560c892e10d0), _82194)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_86914, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_87846, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x560c892e10d0), 'I')
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _95196)
   Call: (223) [system] peek_char((0x560c892e10d0), _96130)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_100850, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_101782, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _109132)
   Call: (224) [system] peek_char((0x560c892e10d0), _110066)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_114786, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_115718, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _123068)
   Call: (225) [system] peek_char((0x560c892e10d0), _124002)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_128722, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_129654, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _137004)
   Call: (226) [system] peek_char((0x560c892e10d0), _137938)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_142658, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_143590, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _150940)
   Call: (227) [system] peek_char((0x560c892e10d0), _151874)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_156594, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_157526, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _164876)
   Call: (228) [system] peek_char((0x560c892e10d0), _165810)
   Exit: (228) [system] peek_char((0x560c892e10d0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_170530, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_171462, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x560c892e10d0), u)
   Exit: (228) [system] get_char((0x560c892e10d0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _178812)
   Call: (229) [system] peek_char((0x560c892e10d0), _179746)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_184466, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_185398, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _192748)
   Call: (230) [system] peek_char((0x560c892e10d0), _193682)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_198402, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_199334, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _206684)
   Call: (231) [system] peek_char((0x560c892e10d0), _207618)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_212338, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_213270, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _220620)
   Call: (232) [system] peek_char((0x560c892e10d0), _221554)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_226274, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_227206, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _234556)
   Call: (233) [system] peek_char((0x560c892e10d0), _235490)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_240210, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_241142, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _248492)
   Call: (234) [system] peek_char((0x560c892e10d0), _249426)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _248492=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _234556=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _220620=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _206684=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _192748=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _178812=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (228) [system] _164876=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (227) [system] _150940=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (226) [system] _137004=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _123068=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _109132=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _95196=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _81260=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _67324=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _53388=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _39452=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _25516=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _11580=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4720=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4716=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4712=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4708=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4704=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4700)
^  Call: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_321130, _321132), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178), _321112, fail)), '$restore_trace'(_321130, _321132))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_321130, _321132))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178), _321112, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_320178)
   Fail: (213) [system] atomic(_320178)
   Call: (213) [system] atom_chars(_320178, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (212) [system] integer('DisjunctionIntroduction')
   Fail: (212) [system] integer('DisjunctionIntroduction')
   Call: (212) [system] _4700='DisjunctionIntroduction'
   Exit: (212) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _335128)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _336986)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _346580)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _349284)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _366218)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _371788)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _373646)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _389656)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), a, _371788)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _407298)
   Call: (213) [system] peek_char((0x560c892e10d0), _408232)
   Exit: (213) [system] peek_char((0x560c892e10d0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_412952, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_413884, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x560c892e10d0), b)
   Exit: (213) [system] get_char((0x560c892e10d0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _421234)
   Call: (214) [system] peek_char((0x560c892e10d0), _422168)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_426888, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_427820, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _435170)
   Call: (215) [system] peek_char((0x560c892e10d0), _436104)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _435170=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _421234=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (213) [system] _407298=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq([a, b, c], _371788)
^  Call: (213) [user] classify_and_convert_charseq_([a, b, c], _450976)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_451928, _451930), once(user:catch(read_from_chars([a, b, c], _450976), _451910, fail)), '$restore_trace'(_451928, _451930))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_451928, _451930))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _451910, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (213) [system] integer(abc)
   Fail: (213) [system] integer(abc)
   Call: (213) [system] _371788=abc
   Exit: (213) [system] abc=abc
^  Exit: (212) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _464056)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _465914)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _475508)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _478212)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _495146)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _500716)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _502574)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _518584)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), a, _500716)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _536226)
   Call: (214) [system] peek_char((0x560c892e10d0), _537160)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_541880, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _536226=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _500716)
^  Call: (214) [user] classify_and_convert_charseq_([a], _548316)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_549268, _549270), once(user:catch(read_from_chars([a], _548316), _549250, fail)), '$restore_trace'(_549268, _549270))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_549268, _549270))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _549250, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _500716=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _561396)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _563254)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _579264)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _583054)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _561396=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _464056=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (210) [system] _335128=[abc, a]
   Exit: (210) [system] [abc, a]=[abc, a]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (209) [system] _4694=['DisjunctionIntroduction', abc, a]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, a])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _596936)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _598794)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _614804)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _618594)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _596936=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _4690=[['DisjunctionIntroduction', abc, a]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, a]])
   Call: (206) [system] _4684=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (206) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (205) [system] _4676=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _632476)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _634334)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _643928)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _646632)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _663566)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _669136)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _670994)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _687004)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _669136)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _692574)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _708584)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'O')
   Call: (206) [system] 'O'=')'
   Fail: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _714154)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _716012)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _732022)
   Exit: (207) [system] get_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'='('
   Fail: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Fail: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Fail: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Fail: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Fail: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Fail: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Fail: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'O', _714154)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _749664)
   Call: (209) [system] peek_char((0x560c892e10d0), _750598)
   Exit: (209) [system] peek_char((0x560c892e10d0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_755318, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_756250, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x560c892e10d0), r)
   Exit: (209) [system] get_char((0x560c892e10d0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _763600)
   Call: (210) [system] peek_char((0x560c892e10d0), _764534)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_769254, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_770186, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x560c892e10d0), 'L')
   Exit: (210) [system] get_char((0x560c892e10d0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _777536)
   Call: (211) [system] peek_char((0x560c892e10d0), _778470)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_783190, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_784122, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _791472)
   Call: (212) [system] peek_char((0x560c892e10d0), _792406)
   Exit: (212) [system] peek_char((0x560c892e10d0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_797126, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_798058, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x560c892e10d0), n)
   Exit: (212) [system] get_char((0x560c892e10d0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _805408)
   Call: (213) [system] peek_char((0x560c892e10d0), _806342)
   Exit: (213) [system] peek_char((0x560c892e10d0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_811062, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_811994, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x560c892e10d0), k)
   Exit: (213) [system] get_char((0x560c892e10d0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _819344)
   Call: (214) [system] peek_char((0x560c892e10d0), _820278)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _819344=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _805408=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (212) [system] _791472=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (211) [system] _777536=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (210) [system] _763600=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (209) [system] _749664=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _714154)
^  Call: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _843532)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_844484, _844486), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _843532), _844466, fail)), '$restore_trace'(_844484, _844486))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_844484, _844486))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _843532), _844466, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_843532)
   Fail: (210) [system] atomic(_843532)
   Call: (210) [system] atom_chars(_843532, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (209) [system] integer('OrLink')
   Fail: (209) [system] integer('OrLink')
   Call: (209) [system] _714154='OrLink'
   Exit: (209) [system] 'OrLink'='OrLink'
^  Exit: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _858482)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _860340)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _869934)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _872638)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _889572)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _895142)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _897000)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _913010)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _895142)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _918580)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _934590)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _940160)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _942018)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _958028)
   Exit: (210) [system] get_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'I', _940160)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _975670)
   Call: (212) [system] peek_char((0x560c892e10d0), _976604)
   Exit: (212) [system] peek_char((0x560c892e10d0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_981324, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_982256, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x560c892e10d0), m)
   Exit: (212) [system] get_char((0x560c892e10d0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _989606)
   Call: (213) [system] peek_char((0x560c892e10d0), _990540)
   Exit: (213) [system] peek_char((0x560c892e10d0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_995260, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_996192, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x560c892e10d0), p)
   Exit: (213) [system] get_char((0x560c892e10d0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003542)
   Call: (214) [system] peek_char((0x560c892e10d0), _1004476)
   Exit: (214) [system] peek_char((0x560c892e10d0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_1009196, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_1010128, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x560c892e10d0), l)
   Exit: (214) [system] get_char((0x560c892e10d0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017478)
   Call: (215) [system] peek_char((0x560c892e10d0), _1018412)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1023132, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1024064, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031414)
   Call: (216) [system] peek_char((0x560c892e10d0), _1032348)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1037068, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1038000, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045350)
   Call: (217) [system] peek_char((0x560c892e10d0), _1046284)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_1051004, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_1051936, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x560c892e10d0), a)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059286)
   Call: (218) [system] peek_char((0x560c892e10d0), _1060220)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1064940, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1065872, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073222)
   Call: (219) [system] peek_char((0x560c892e10d0), _1074156)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1078876, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1079808, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087158)
   Call: (220) [system] peek_char((0x560c892e10d0), _1088092)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1092812, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1093744, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101094)
   Call: (221) [system] peek_char((0x560c892e10d0), _1102028)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1106748, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1107680, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1115030)
   Call: (222) [system] peek_char((0x560c892e10d0), _1115964)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1115030=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1101094=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (220) [system] _1087158=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (219) [system] _1073222=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (218) [system] _1059286=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (217) [system] _1045350=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (216) [system] _1031414=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (215) [system] _1017478=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (214) [system] _1003542=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _989606=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _975670=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _940160)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1153188)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1154140, _1154142), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1153188), _1154122, fail)), '$restore_trace'(_1154140, _1154142))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1154140, _1154142))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1153188), _1154122, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1153188)
   Fail: (213) [system] atomic(_1153188)
   Call: (213) [system] atom_chars(_1153188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _940160='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1168138)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1169996)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1179590)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1182294)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1199228)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1204798)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1206656)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1222666)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1204798)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1228236)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1244246)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1249816)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1251674)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1267684)
   Exit: (213) [system] get_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1249816)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1285326)
   Call: (215) [system] peek_char((0x560c892e10d0), _1286260)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1290980, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1291912, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1299262)
   Call: (216) [system] peek_char((0x560c892e10d0), _1300196)
   Exit: (216) [system] peek_char((0x560c892e10d0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1304916, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1305848, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x560c892e10d0), d)
   Exit: (216) [system] get_char((0x560c892e10d0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1313198)
   Call: (217) [system] peek_char((0x560c892e10d0), _1314132)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1318852, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1319784, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x560c892e10d0), 'L')
   Exit: (217) [system] get_char((0x560c892e10d0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327134)
   Call: (218) [system] peek_char((0x560c892e10d0), _1328068)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1332788, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1333720, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1341070)
   Call: (219) [system] peek_char((0x560c892e10d0), _1342004)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1346724, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1347656, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1355006)
   Call: (220) [system] peek_char((0x560c892e10d0), _1355940)
   Exit: (220) [system] peek_char((0x560c892e10d0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1360660, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1361592, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x560c892e10d0), k)
   Exit: (220) [system] get_char((0x560c892e10d0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1368942)
   Call: (221) [system] peek_char((0x560c892e10d0), _1369876)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1368942=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _1355006=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (219) [system] _1341070=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (218) [system] _1327134=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (217) [system] _1313198=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (216) [system] _1299262=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (215) [system] _1285326=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1249816)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1395924)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1396876, _1396878), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1395924), _1396858, fail)), '$restore_trace'(_1396876, _1396878))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1396876, _1396878))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1395924), _1396858, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1395924)
   Fail: (216) [system] atomic(_1395924)
   Call: (216) [system] atom_chars(_1395924, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _1249816='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1410874)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1412732)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1422326)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1425030)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1441964)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1447534)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1449392)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1465402)
   Exit: (214) [system] get_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1447534)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483044)
   Call: (216) [system] peek_char((0x560c892e10d0), _1483978)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1483044=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['A'], _1447534)
^  Call: (216) [user] classify_and_convert_charseq_(['A'], _1493262)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1494214, _1494216), once(user:catch(read_from_chars(['A'], _1493262), _1494196, fail)), '$restore_trace'(_1494214, _1494216))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1494214, _1494216))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1493262), _1494196, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1493262)
   Fail: (217) [system] atomic(_1493262)
   Call: (217) [system] atom_chars(_1493262, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (216) [system] integer('A')
   Fail: (216) [system] integer('A')
   Call: (216) [system] _1447534='A'
   Exit: (216) [system] 'A'='A'
^  Exit: (215) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1508212)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1510070)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1519664)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1522368)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1539302)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1544872)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1546730)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1562740)
   Exit: (215) [system] get_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1544872)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1580382)
   Call: (217) [system] peek_char((0x560c892e10d0), _1581316)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1586036, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1580382=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1544872)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _1592472)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1593424, _1593426), once(user:catch(read_from_chars(['B'], _1592472), _1593406, fail)), '$restore_trace'(_1593424, _1593426))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1593424, _1593426))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1592472), _1593406, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1592472)
   Fail: (218) [system] atomic(_1592472)
   Call: (218) [system] atom_chars(_1592472, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1544872='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1607422)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1609280)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1625290)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1629080)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1607422=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _1508212=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (213) [system] _1410874=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (212) [system] _1204798=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1642962)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1644820)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1654414)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1657118)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1674052)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1679622)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1681480)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1697490)
   Exit: (212) [system] get_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1679622)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1715132)
   Call: (214) [system] peek_char((0x560c892e10d0), _1716066)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1720786, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1715132=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _1679622)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _1727222)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1728174, _1728176), once(user:catch(read_from_chars(['C'], _1727222), _1728156, fail)), '$restore_trace'(_1728174, _1728176))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1728174, _1728176))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1727222), _1728156, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1727222)
   Fail: (215) [system] atomic(_1727222)
   Call: (215) [system] atom_chars(_1727222, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _1679622='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1742172)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1744030)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1760040)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1763830)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1742172=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _1642962=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (210) [system] _1168138=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _895142=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1777712)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1779570)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1789164)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1791868)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1808802)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1814372)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1816230)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1832240)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1814372)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1837810)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1853820)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1859390)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1861248)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1877258)
   Exit: (211) [system] get_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1859390)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1894900)
   Call: (213) [system] peek_char((0x560c892e10d0), _1895834)
   Exit: (213) [system] peek_char((0x560c892e10d0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1900554, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1901486, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x560c892e10d0), r)
   Exit: (213) [system] get_char((0x560c892e10d0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1908836)
   Call: (214) [system] peek_char((0x560c892e10d0), _1909770)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1914490, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1915422, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x560c892e10d0), 'L')
   Exit: (214) [system] get_char((0x560c892e10d0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1922772)
   Call: (215) [system] peek_char((0x560c892e10d0), _1923706)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1928426, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1929358, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1936708)
   Call: (216) [system] peek_char((0x560c892e10d0), _1937642)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1942362, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1943294, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1950644)
   Call: (217) [system] peek_char((0x560c892e10d0), _1951578)
   Exit: (217) [system] peek_char((0x560c892e10d0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1956298, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1957230, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x560c892e10d0), k)
   Exit: (217) [system] get_char((0x560c892e10d0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1964580)
   Call: (218) [system] peek_char((0x560c892e10d0), _1965514)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1964580=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _1950644=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (216) [system] _1936708=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (215) [system] _1922772=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (214) [system] _1908836=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (213) [system] _1894900=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1859390)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1988768)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1989720, _1989722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1988768), _1989702, fail)), '$restore_trace'(_1989720, _1989722))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1989720, _1989722))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1988768), _1989702, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1988768)
   Fail: (214) [system] atomic(_1988768)
   Call: (214) [system] atom_chars(_1988768, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1859390='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _2003718)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _2005576)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _2015170)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _2017874)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2034808)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _2040378)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _2042236)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _2058246)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _2040378)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _2063816)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _2079826)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _2085396)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2087254)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _11214)
   Exit: (214) [system] get_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', _4790)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _28856)
   Call: (216) [system] peek_char((0x560c892e10d0), _29790)
   Exit: (216) [system] peek_char((0x560c892e10d0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_34510, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_35442, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x560c892e10d0), m)
   Exit: (216) [system] get_char((0x560c892e10d0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _42792)
   Call: (217) [system] peek_char((0x560c892e10d0), _43726)
   Exit: (217) [system] peek_char((0x560c892e10d0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_48446, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_49378, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x560c892e10d0), p)
   Exit: (217) [system] get_char((0x560c892e10d0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _56728)
   Call: (218) [system] peek_char((0x560c892e10d0), _57662)
   Exit: (218) [system] peek_char((0x560c892e10d0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_62382, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_63314, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x560c892e10d0), l)
   Exit: (218) [system] get_char((0x560c892e10d0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _70664)
   Call: (219) [system] peek_char((0x560c892e10d0), _71598)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_76318, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_77250, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _84600)
   Call: (220) [system] peek_char((0x560c892e10d0), _85534)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_90254, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_91186, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _98536)
   Call: (221) [system] peek_char((0x560c892e10d0), _99470)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_104190, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_105122, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x560c892e10d0), a)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _112472)
   Call: (222) [system] peek_char((0x560c892e10d0), _113406)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_118126, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_119058, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _126408)
   Call: (223) [system] peek_char((0x560c892e10d0), _127342)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_132062, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_132994, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _140344)
   Call: (224) [system] peek_char((0x560c892e10d0), _141278)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_145998, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_146930, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _154280)
   Call: (225) [system] peek_char((0x560c892e10d0), _155214)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_159934, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_160866, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _168216)
   Call: (226) [system] peek_char((0x560c892e10d0), _169150)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _168216=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _154280=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (224) [system] _140344=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (223) [system] _126408=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (222) [system] _112472=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (221) [system] _98536=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (220) [system] _84600=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (219) [system] _70664=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (218) [system] _56728=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _42792=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _28856=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _4790)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _206374)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_207326, _207328), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _206374), _207308, fail)), '$restore_trace'(_207326, _207328))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_207326, _207328))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _206374), _207308, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_206374)
   Fail: (217) [system] atomic(_206374)
   Call: (217) [system] atom_chars(_206374, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _4790='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _221324)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _223182)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _232776)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _235480)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _252414)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _257984)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _259842)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _275852)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _257984)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _281422)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _297432)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _303002)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _304860)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _320870)
   Exit: (217) [system] get_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', _303002)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _338512)
   Call: (219) [system] peek_char((0x560c892e10d0), _339446)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_344166, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_345098, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _352448)
   Call: (220) [system] peek_char((0x560c892e10d0), _353382)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_358102, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_359034, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _366384)
   Call: (221) [system] peek_char((0x560c892e10d0), _367318)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_372038, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_372970, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x560c892e10d0), 'L')
   Exit: (221) [system] get_char((0x560c892e10d0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _380320)
   Call: (222) [system] peek_char((0x560c892e10d0), _381254)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_385974, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_386906, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _394256)
   Call: (223) [system] peek_char((0x560c892e10d0), _395190)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_399910, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_400842, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _408192)
   Call: (224) [system] peek_char((0x560c892e10d0), _409126)
   Exit: (224) [system] peek_char((0x560c892e10d0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_413846, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_414778, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x560c892e10d0), k)
   Exit: (224) [system] get_char((0x560c892e10d0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _422128)
   Call: (225) [system] peek_char((0x560c892e10d0), _423062)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _422128=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _408192=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (223) [system] _394256=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (222) [system] _380320=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (221) [system] _366384=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (220) [system] _352448=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (219) [system] _338512=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _303002)
^  Call: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _449110)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_450062, _450064), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _449110), _450044, fail)), '$restore_trace'(_450062, _450064))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_450062, _450064))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _449110), _450044, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_449110)
   Fail: (220) [system] atomic(_449110)
   Call: (220) [system] atom_chars(_449110, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (219) [system] integer('AndLink')
   Fail: (219) [system] integer('AndLink')
   Call: (219) [system] _303002='AndLink'
   Exit: (219) [system] 'AndLink'='AndLink'
^  Exit: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _464060)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _465918)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _475512)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _478216)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _495150)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _500720)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _502578)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _518588)
   Exit: (218) [system] get_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', _500720)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _536230)
   Call: (220) [system] peek_char((0x560c892e10d0), _537164)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _536230=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['A'], _500720)
^  Call: (220) [user] classify_and_convert_charseq_(['A'], _546448)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_547400, _547402), once(user:catch(read_from_chars(['A'], _546448), _547382, fail)), '$restore_trace'(_547400, _547402))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_547400, _547402))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _546448), _547382, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_546448)
   Fail: (221) [system] atomic(_546448)
   Call: (221) [system] atom_chars(_546448, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (220) [system] integer('A')
   Fail: (220) [system] integer('A')
   Call: (220) [system] _500720='A'
   Exit: (220) [system] 'A'='A'
^  Exit: (219) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _561398)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _563256)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _572850)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _575554)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _592488)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _598058)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _599916)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _615926)
   Exit: (219) [system] get_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', _598058)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _633568)
   Call: (221) [system] peek_char((0x560c892e10d0), _634502)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_639222, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _633568=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _598058)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _645658)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_646610, _646612), once(user:catch(read_from_chars(['B'], _645658), _646592, fail)), '$restore_trace'(_646610, _646612))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_646610, _646612))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _645658), _646592, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_645658)
   Fail: (222) [system] atomic(_645658)
   Call: (222) [system] atom_chars(_645658, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _598058='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _660608)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _662466)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _678476)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _682266)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _660608=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _561398=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (217) [system] _464060=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (216) [system] _257984=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _696148)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _698006)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _707600)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _710304)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _727238)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _732808)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _734666)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _750676)
   Exit: (216) [system] get_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'C', _732808)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _768318)
   Call: (218) [system] peek_char((0x560c892e10d0), _769252)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_773972, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _768318=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _732808)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _780408)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_781360, _781362), once(user:catch(read_from_chars(['C'], _780408), _781342, fail)), '$restore_trace'(_781360, _781362))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_781360, _781362))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _780408), _781342, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_780408)
   Fail: (219) [system] atomic(_780408)
   Call: (219) [system] atom_chars(_780408, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _732808='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _795358)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _797216)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _813226)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _817016)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _795358=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _696148=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (214) [system] _221324=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _4784=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _830898)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _832756)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _842350)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _845054)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _861988)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _867558)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _869416)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _885426)
   Exit: (213) [system] get_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', _867558)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _903068)
   Call: (215) [system] peek_char((0x560c892e10d0), _904002)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_908722, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _903068=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _867558)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _915158)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_916110, _916112), once(user:catch(read_from_chars(['A'], _915158), _916092, fail)), '$restore_trace'(_916110, _916112))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_916110, _916112))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _915158), _916092, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_915158)
   Fail: (216) [system] atomic(_915158)
   Call: (216) [system] atom_chars(_915158, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _867558='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _930108)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _931966)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _947976)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _951766)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _930108=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _830898=['A']
   Exit: (212) [system] ['A']=['A']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (211) [system] _4780=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (210) [system] _4772=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _965648)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _967506)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _983516)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _987306)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _965648=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _4768=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (207) [system] _4726=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (206) [system] _4718=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (206) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1001188)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1003046)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1019056)
   Exit: (205) [system] peek_char((0x560c892e10d0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x560c892e10d0), _1022846)
   Exit: (205) [system] get_char((0x560c892e10d0), ')')
   Call: (205) [system] _1001188=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [])
   Call: (204) [system] _4714=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (204) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (203) [system] _4672=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (203) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (202) [system] _4664=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (202) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (201) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (200) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (200) [user] read_list(')', (0x560c892e10d0), _1036728)
^  Call: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _1038586)
   Exit: (202) [system] peek_char((0x560c892e10d0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x560c892e10d0), _1050036)
   Exit: (202) [system] get_char((0x560c892e10d0), '\n')
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1052740)
   Exit: (203) [system] peek_char((0x560c892e10d0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x560c892e10d0), _1062334)
   Exit: (203) [system] get_char((0x560c892e10d0), ' ')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1065038)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
^  Exit: (201) [user] skip_spaces((0x560c892e10d0))
   Call: (201) [system] peek_char((0x560c892e10d0), _1082896)
   Exit: (201) [system] peek_char((0x560c892e10d0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x560c892e10d0), _1088466)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1090324)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] get_char((0x560c892e10d0), _1106334)
   Exit: (202) [system] get_char((0x560c892e10d0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _1088466)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1111904)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _1127914)
   Exit: (203) [system] peek_char((0x560c892e10d0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _1133484)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1135342)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _1151352)
   Exit: (204) [system] get_char((0x560c892e10d0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x560c892e10d0), :, _1133484)
^  Call: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), _1168994)
   Call: (206) [system] peek_char((0x560c892e10d0), _1169928)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1168994=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1133484)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1179212)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1180164, _1180166), once(user:catch(read_from_chars([:], _1179212), _1180146, fail)), '$restore_trace'(_1180164, _1180166))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1180164, _1180166))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1180146, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1133484=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1192292)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1194150)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _1203744)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1206448)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1223382)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1228952)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1230810)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1246820)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1228952)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1252390)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1268400)
   Exit: (206) [system] peek_char((0x560c892e10d0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1273970)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1275828)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1291838)
   Exit: (207) [system] get_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1273970)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _1309480)
   Call: (209) [system] peek_char((0x560c892e10d0), _1310414)
   Exit: (209) [system] peek_char((0x560c892e10d0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1315134, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1316066, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x560c892e10d0), i)
   Exit: (209) [system] get_char((0x560c892e10d0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1323416)
   Call: (210) [system] peek_char((0x560c892e10d0), _1324350)
   Exit: (210) [system] peek_char((0x560c892e10d0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1329070, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1330002, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x560c892e10d0), s)
   Exit: (210) [system] get_char((0x560c892e10d0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1337352)
   Call: (211) [system] peek_char((0x560c892e10d0), _1338286)
   Exit: (211) [system] peek_char((0x560c892e10d0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1343006, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1343938, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x560c892e10d0), j)
   Exit: (211) [system] get_char((0x560c892e10d0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1351288)
   Call: (212) [system] peek_char((0x560c892e10d0), _1352222)
   Exit: (212) [system] peek_char((0x560c892e10d0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1356942, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1357874, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x560c892e10d0), u)
   Exit: (212) [system] get_char((0x560c892e10d0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1365224)
   Call: (213) [system] peek_char((0x560c892e10d0), _1366158)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1370878, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1371810, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1379160)
   Call: (214) [system] peek_char((0x560c892e10d0), _1380094)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1384814, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1385746, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1393096)
   Call: (215) [system] peek_char((0x560c892e10d0), _1394030)
   Exit: (215) [system] peek_char((0x560c892e10d0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1398750, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1399682, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x560c892e10d0), t)
   Exit: (215) [system] get_char((0x560c892e10d0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1407032)
   Call: (216) [system] peek_char((0x560c892e10d0), _1407966)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1412686, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1413618, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1420968)
   Call: (217) [system] peek_char((0x560c892e10d0), _1421902)
   Exit: (217) [system] peek_char((0x560c892e10d0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1426622, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1427554, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x560c892e10d0), o)
   Exit: (217) [system] get_char((0x560c892e10d0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1434904)
   Call: (218) [system] peek_char((0x560c892e10d0), _1435838)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1440558, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1441490, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1448840)
   Call: (219) [system] peek_char((0x560c892e10d0), _1449774)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1454494, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1455426, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x560c892e10d0), 'I')
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1462776)
   Call: (220) [system] peek_char((0x560c892e10d0), _1463710)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1468430, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1469362, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1476712)
   Call: (221) [system] peek_char((0x560c892e10d0), _1477646)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1482366, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1483298, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1490648)
   Call: (222) [system] peek_char((0x560c892e10d0), _1491582)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1496302, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1497234, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1504584)
   Call: (223) [system] peek_char((0x560c892e10d0), _1505518)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1510238, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1511170, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1518520)
   Call: (224) [system] peek_char((0x560c892e10d0), _1519454)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1524174, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1525106, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1532456)
   Call: (225) [system] peek_char((0x560c892e10d0), _1533390)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1538110, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1539042, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1546392)
   Call: (226) [system] peek_char((0x560c892e10d0), _1547326)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1552046, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1552978, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1560328)
   Call: (227) [system] peek_char((0x560c892e10d0), _1561262)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1565982, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1566914, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1574264)
   Call: (228) [system] peek_char((0x560c892e10d0), _1575198)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1579918, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1580850, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1588200)
   Call: (229) [system] peek_char((0x560c892e10d0), _1589134)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1593854, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1594786, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1602136)
   Call: (230) [system] peek_char((0x560c892e10d0), _1603070)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1607790, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1608722, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1616072)
   Call: (231) [system] peek_char((0x560c892e10d0), _1617006)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1616072=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _1602136=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _1588200=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _1574264=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _1560328=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _1546392=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (225) [system] _1532456=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (224) [system] _1518520=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1504584=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1490648=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1476712=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1462776=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1448840=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1434904=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1420968=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1407032=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1393096=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1379160=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1365224=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1351288=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1337352=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1323416=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1309480=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1273970)
^  Call: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1688710, _1688712), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758), _1688692, fail)), '$restore_trace'(_1688710, _1688712))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1688710, _1688712))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758), _1688692, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1687758)
   Fail: (210) [system] atomic(_1687758)
   Call: (210) [system] atom_chars(_1687758, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (209) [system] integer('DisjunctionIntroduction')
   Fail: (209) [system] integer('DisjunctionIntroduction')
   Call: (209) [system] _1273970='DisjunctionIntroduction'
   Exit: (209) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1702708)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1704566)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1714160)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1716864)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1733798)
   Exit: (207) [system] peek_char((0x560c892e10d0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1739368)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1741226)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1757236)
   Exit: (208) [system] get_char((0x560c892e10d0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), a, _1739368)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1774878)
   Call: (210) [system] peek_char((0x560c892e10d0), _1775812)
   Exit: (210) [system] peek_char((0x560c892e10d0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1780532, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1781464, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x560c892e10d0), b)
   Exit: (210) [system] get_char((0x560c892e10d0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1788814)
   Call: (211) [system] peek_char((0x560c892e10d0), _1789748)
   Exit: (211) [system] peek_char((0x560c892e10d0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1794468, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1795400, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x560c892e10d0), c)
   Exit: (211) [system] get_char((0x560c892e10d0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1802750)
   Call: (212) [system] peek_char((0x560c892e10d0), _1803684)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1802750=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (211) [system] _1788814=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (210) [system] _1774878=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq([a, b, c], _1739368)
^  Call: (210) [user] classify_and_convert_charseq_([a, b, c], _1818556)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1819508, _1819510), once(user:catch(read_from_chars([a, b, c], _1818556), _1819490, fail)), '$restore_trace'(_1819508, _1819510))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1819508, _1819510))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1819490, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (210) [system] integer(abc)
   Fail: (210) [system] integer(abc)
   Call: (210) [system] _1739368=abc
   Exit: (210) [system] abc=abc
^  Exit: (209) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1831636)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1833494)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1843088)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1845792)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1862726)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1868296)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1870154)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1886164)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1868296)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1891734)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1907744)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1913314)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1915172)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1931182)
   Exit: (211) [system] get_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1913314)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1948824)
   Call: (213) [system] peek_char((0x560c892e10d0), _1949758)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1954478, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1955410, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1962760)
   Call: (214) [system] peek_char((0x560c892e10d0), _1963694)
   Exit: (214) [system] peek_char((0x560c892e10d0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1968414, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1969346, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x560c892e10d0), s)
   Exit: (214) [system] get_char((0x560c892e10d0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1976696)
   Call: (215) [system] peek_char((0x560c892e10d0), _1977630)
   Exit: (215) [system] peek_char((0x560c892e10d0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1982350, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1983282, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x560c892e10d0), j)
   Exit: (215) [system] get_char((0x560c892e10d0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1990632)
   Call: (216) [system] peek_char((0x560c892e10d0), _1991566)
   Exit: (216) [system] peek_char((0x560c892e10d0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1996286, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1997218, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x560c892e10d0), u)
   Exit: (216) [system] get_char((0x560c892e10d0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2004568)
   Call: (217) [system] peek_char((0x560c892e10d0), _2005502)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_2010222, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_2011154, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2018504)
   Call: (218) [system] peek_char((0x560c892e10d0), _2019438)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_2024158, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_2025090, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _2032440)
   Call: (219) [system] peek_char((0x560c892e10d0), _2033374)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_2038094, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_2039026, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2046376)
   Call: (220) [system] peek_char((0x560c892e10d0), _2047310)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_2052030, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_2052962, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2060312)
   Call: (221) [system] peek_char((0x560c892e10d0), _2061246)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_2065966, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_2066898, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2074248)
   Call: (222) [system] peek_char((0x560c892e10d0), _2075182)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2079902, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_2080834, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088184)
   Call: (223) [system] peek_char((0x560c892e10d0), _2089118)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_2093838, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_2094770, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x560c892e10d0), 'I')
   Exit: (223) [system] get_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _10228)
   Call: (224) [system] peek_char((0x560c892e10d0), _11162)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_15882, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_16814, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _24164)
   Call: (225) [system] peek_char((0x560c892e10d0), _25098)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_29818, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_30750, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _38100)
   Call: (226) [system] peek_char((0x560c892e10d0), _39034)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_43754, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_44686, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _52036)
   Call: (227) [system] peek_char((0x560c892e10d0), _52970)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_57690, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_58622, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _65972)
   Call: (228) [system] peek_char((0x560c892e10d0), _66906)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_71626, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_72558, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _79908)
   Call: (229) [system] peek_char((0x560c892e10d0), _80842)
   Exit: (229) [system] peek_char((0x560c892e10d0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_85562, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_86494, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x560c892e10d0), u)
   Exit: (229) [system] get_char((0x560c892e10d0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _93844)
   Call: (230) [system] peek_char((0x560c892e10d0), _94778)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_99498, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_100430, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _107780)
   Call: (231) [system] peek_char((0x560c892e10d0), _108714)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_113434, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_114366, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _121716)
   Call: (232) [system] peek_char((0x560c892e10d0), _122650)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_127370, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_128302, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _135652)
   Call: (233) [system] peek_char((0x560c892e10d0), _136586)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_141306, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_142238, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _149588)
   Call: (234) [system] peek_char((0x560c892e10d0), _150522)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_155242, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_156174, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _163524)
   Call: (235) [system] peek_char((0x560c892e10d0), _164458)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _163524=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _149588=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (233) [system] _135652=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (232) [system] _121716=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (231) [system] _107780=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (230) [system] _93844=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (229) [system] _79908=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (228) [system] _65972=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (227) [system] _52036=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _38100=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _24164=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _10228=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4912=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4908=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4904=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4900=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4896=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4892=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4888=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4884=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4880=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4876=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4872=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4868)
^  Call: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_236162, _236164), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210), _236144, fail)), '$restore_trace'(_236162, _236164))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_236162, _236164))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210), _236144, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_235210)
   Fail: (214) [system] atomic(_235210)
   Call: (214) [system] atom_chars(_235210, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (213) [system] integer('DisjunctionIntroduction')
   Fail: (213) [system] integer('DisjunctionIntroduction')
   Call: (213) [system] _4868='DisjunctionIntroduction'
   Exit: (213) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _250160)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _252018)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _261612)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _264316)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _281250)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _286820)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _288678)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _304688)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), a, _286820)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _322330)
   Call: (214) [system] peek_char((0x560c892e10d0), _323264)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _322330=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _286820)
^  Call: (214) [user] classify_and_convert_charseq_([a], _332548)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_333500, _333502), once(user:catch(read_from_chars([a], _332548), _333482, fail)), '$restore_trace'(_333500, _333502))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_333500, _333502))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _333482, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _286820=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _345628)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _347486)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _357080)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _359784)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _376718)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _382288)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _384146)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _400156)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), a, _382288)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _417798)
   Call: (215) [system] peek_char((0x560c892e10d0), _418732)
   Exit: (215) [system] peek_char((0x560c892e10d0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_423452, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_424384, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x560c892e10d0), b)
   Exit: (215) [system] get_char((0x560c892e10d0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _431734)
   Call: (216) [system] peek_char((0x560c892e10d0), _432668)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_437388, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_438320, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _445670)
   Call: (217) [system] peek_char((0x560c892e10d0), _446604)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_451324, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _445670=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _431734=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (215) [system] _417798=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _382288)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _463348)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_464300, _464302), once(user:catch(read_from_chars([a, b, c], _463348), _464282, fail)), '$restore_trace'(_464300, _464302))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_464300, _464302))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _464282, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _382288=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _476428)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _478286)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _494296)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _498086)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _476428=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _345628=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (211) [system] _250160=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (210) [system] _4862=['DisjunctionIntroduction', a, abc]
   Exit: (210) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _511968)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _513826)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _529836)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _533626)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _511968=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _4858=[['DisjunctionIntroduction', a, abc]]
   Exit: (208) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, abc]])
   Call: (207) [system] _4852=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (207) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (206) [system] _4844=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _547508)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _549366)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _558960)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _561664)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _578598)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _584168)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _586026)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _602036)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _584168)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _607606)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _623616)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _629186)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _631044)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _647054)
   Exit: (208) [system] get_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', _629186)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _664696)
   Call: (210) [system] peek_char((0x560c892e10d0), _665630)
   Exit: (210) [system] peek_char((0x560c892e10d0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_670350, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_671282, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x560c892e10d0), r)
   Exit: (210) [system] get_char((0x560c892e10d0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _678632)
   Call: (211) [system] peek_char((0x560c892e10d0), _679566)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_684286, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_685218, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x560c892e10d0), 'L')
   Exit: (211) [system] get_char((0x560c892e10d0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _692568)
   Call: (212) [system] peek_char((0x560c892e10d0), _693502)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_698222, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_699154, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _706504)
   Call: (213) [system] peek_char((0x560c892e10d0), _707438)
   Exit: (213) [system] peek_char((0x560c892e10d0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_712158, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_713090, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x560c892e10d0), n)
   Exit: (213) [system] get_char((0x560c892e10d0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _720440)
   Call: (214) [system] peek_char((0x560c892e10d0), _721374)
   Exit: (214) [system] peek_char((0x560c892e10d0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_726094, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_727026, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x560c892e10d0), k)
   Exit: (214) [system] get_char((0x560c892e10d0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _734376)
   Call: (215) [system] peek_char((0x560c892e10d0), _735310)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _734376=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _720440=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (213) [system] _706504=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (212) [system] _692568=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (211) [system] _678632=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (210) [system] _664696=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _629186)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _758564)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_759516, _759518), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _758564), _759498, fail)), '$restore_trace'(_759516, _759518))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_759516, _759518))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _758564), _759498, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_758564)
   Fail: (211) [system] atomic(_758564)
   Call: (211) [system] atom_chars(_758564, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _629186='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _773514)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _775372)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _784966)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _787670)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _804604)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _810174)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _812032)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _828042)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _810174)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _833612)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _849622)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _855192)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _857050)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _873060)
   Exit: (211) [system] get_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'I', _855192)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _890702)
   Call: (213) [system] peek_char((0x560c892e10d0), _891636)
   Exit: (213) [system] peek_char((0x560c892e10d0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_896356, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_897288, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x560c892e10d0), m)
   Exit: (213) [system] get_char((0x560c892e10d0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _904638)
   Call: (214) [system] peek_char((0x560c892e10d0), _905572)
   Exit: (214) [system] peek_char((0x560c892e10d0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_910292, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_911224, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x560c892e10d0), p)
   Exit: (214) [system] get_char((0x560c892e10d0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _918574)
   Call: (215) [system] peek_char((0x560c892e10d0), _919508)
   Exit: (215) [system] peek_char((0x560c892e10d0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_924228, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_925160, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x560c892e10d0), l)
   Exit: (215) [system] get_char((0x560c892e10d0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _932510)
   Call: (216) [system] peek_char((0x560c892e10d0), _933444)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_938164, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_939096, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _946446)
   Call: (217) [system] peek_char((0x560c892e10d0), _947380)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_952100, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_953032, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _960382)
   Call: (218) [system] peek_char((0x560c892e10d0), _961316)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_966036, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_966968, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x560c892e10d0), a)
   Exit: (218) [system] get_char((0x560c892e10d0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _974318)
   Call: (219) [system] peek_char((0x560c892e10d0), _975252)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_979972, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_980904, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _988254)
   Call: (220) [system] peek_char((0x560c892e10d0), _989188)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_993908, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_994840, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1002190)
   Call: (221) [system] peek_char((0x560c892e10d0), _1003124)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1007844, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1008776, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1016126)
   Call: (222) [system] peek_char((0x560c892e10d0), _1017060)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1021780, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1022712, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1030062)
   Call: (223) [system] peek_char((0x560c892e10d0), _1030996)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1030062=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1016126=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (221) [system] _1002190=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (220) [system] _988254=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (219) [system] _974318=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (218) [system] _960382=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (217) [system] _946446=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (216) [system] _932510=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (215) [system] _918574=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _904638=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _890702=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _855192)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1068220)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1069172, _1069174), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068220), _1069154, fail)), '$restore_trace'(_1069172, _1069174))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1069172, _1069174))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068220), _1069154, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1068220)
   Fail: (214) [system] atomic(_1068220)
   Call: (214) [system] atom_chars(_1068220, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _855192='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1083170)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1085028)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1094622)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1097326)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1114260)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1119830)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1121688)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1137698)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1119830)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1143268)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1159278)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1164848)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1166706)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1182716)
   Exit: (214) [system] get_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1164848)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200358)
   Call: (216) [system] peek_char((0x560c892e10d0), _1201292)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1206012, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1206944, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214294)
   Call: (217) [system] peek_char((0x560c892e10d0), _1215228)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1219948, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1220880, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228230)
   Call: (218) [system] peek_char((0x560c892e10d0), _1229164)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1233884, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1234816, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x560c892e10d0), 'L')
   Exit: (218) [system] get_char((0x560c892e10d0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242166)
   Call: (219) [system] peek_char((0x560c892e10d0), _1243100)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1247820, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1248752, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1256102)
   Call: (220) [system] peek_char((0x560c892e10d0), _1257036)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1261756, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1262688, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270038)
   Call: (221) [system] peek_char((0x560c892e10d0), _1270972)
   Exit: (221) [system] peek_char((0x560c892e10d0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1275692, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1276624, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x560c892e10d0), k)
   Exit: (221) [system] get_char((0x560c892e10d0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1283974)
   Call: (222) [system] peek_char((0x560c892e10d0), _1284908)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1283974=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1270038=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (220) [system] _1256102=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (219) [system] _1242166=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (218) [system] _1228230=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (217) [system] _1214294=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (216) [system] _1200358=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1164848)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1310956)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1311908, _1311910), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310956), _1311890, fail)), '$restore_trace'(_1311908, _1311910))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1311908, _1311910))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310956), _1311890, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1310956)
   Fail: (217) [system] atomic(_1310956)
   Call: (217) [system] atom_chars(_1310956, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _1164848='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1325906)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1327764)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1337358)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1340062)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1356996)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1362566)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1364424)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1380434)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1362566)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1398076)
   Call: (217) [system] peek_char((0x560c892e10d0), _1399010)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1398076=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['A'], _1362566)
^  Call: (217) [user] classify_and_convert_charseq_(['A'], _1408294)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1409246, _1409248), once(user:catch(read_from_chars(['A'], _1408294), _1409228, fail)), '$restore_trace'(_1409246, _1409248))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1409246, _1409248))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1408294), _1409228, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1408294)
   Fail: (218) [system] atomic(_1408294)
   Call: (218) [system] atom_chars(_1408294, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (217) [system] integer('A')
   Fail: (217) [system] integer('A')
   Call: (217) [system] _1362566='A'
   Exit: (217) [system] 'A'='A'
^  Exit: (216) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1423244)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1425102)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1434696)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1437400)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1454334)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1459904)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1461762)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1477772)
   Exit: (216) [system] get_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1459904)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1495414)
   Call: (218) [system] peek_char((0x560c892e10d0), _1496348)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1501068, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1495414=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1459904)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1507504)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1508456, _1508458), once(user:catch(read_from_chars(['B'], _1507504), _1508438, fail)), '$restore_trace'(_1508456, _1508458))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1508456, _1508458))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1507504), _1508438, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1507504)
   Fail: (219) [system] atomic(_1507504)
   Call: (219) [system] atom_chars(_1507504, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1459904='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1522454)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1524312)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1540322)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1544112)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1522454=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _1423244=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (214) [system] _1325906=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (213) [system] _1119830=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1557994)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1559852)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1569446)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1572150)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1589084)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1594654)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1596512)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1612522)
   Exit: (213) [system] get_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1594654)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1630164)
   Call: (215) [system] peek_char((0x560c892e10d0), _1631098)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1635818, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1630164=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _1594654)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _1642254)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1643206, _1643208), once(user:catch(read_from_chars(['C'], _1642254), _1643188, fail)), '$restore_trace'(_1643206, _1643208))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1643206, _1643208))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1642254), _1643188, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1642254)
   Fail: (216) [system] atomic(_1642254)
   Call: (216) [system] atom_chars(_1642254, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _1594654='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1657204)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1659062)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1675072)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1678862)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _1657204=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _1557994=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (211) [system] _1083170=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _810174=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1692744)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1694602)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1704196)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1706900)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1723834)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1729404)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1731262)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1747272)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1729404)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1752842)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1768852)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1774422)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1776280)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1792290)
   Exit: (212) [system] get_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1774422)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1809932)
   Call: (214) [system] peek_char((0x560c892e10d0), _1810866)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1815586, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1816518, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1823868)
   Call: (215) [system] peek_char((0x560c892e10d0), _1824802)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1829522, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1830454, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1837804)
   Call: (216) [system] peek_char((0x560c892e10d0), _1838738)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1843458, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1844390, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1851740)
   Call: (217) [system] peek_char((0x560c892e10d0), _1852674)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1857394, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1858326, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1865676)
   Call: (218) [system] peek_char((0x560c892e10d0), _1866610)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1871330, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1872262, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1879612)
   Call: (219) [system] peek_char((0x560c892e10d0), _1880546)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1879612=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _1865676=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _1851740=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _1837804=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _1823868=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _1809932=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1774422)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1903800)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1904752, _1904754), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903800), _1904734, fail)), '$restore_trace'(_1904752, _1904754))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1904752, _1904754))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903800), _1904734, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1903800)
   Fail: (215) [system] atomic(_1903800)
   Call: (215) [system] atom_chars(_1903800, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _1774422='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1918750)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1920608)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1930202)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1932906)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1949840)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1955410)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1957268)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1973278)
   Exit: (213) [system] get_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1955410)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1990920)
   Call: (215) [system] peek_char((0x560c892e10d0), _1991854)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1990920=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1955410)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _2001138)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_2002090, _2002092), once(user:catch(read_from_chars(['B'], _2001138), _2002072, fail)), '$restore_trace'(_2002090, _2002092))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_2002090, _2002092))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2001138), _2002072, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_2001138)
   Fail: (216) [system] atomic(_2001138)
   Call: (216) [system] atom_chars(_2001138, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1955410='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _2016088)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _2017946)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _2027540)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2030244)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _2047178)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _2052748)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2054606)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _2070616)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _2052748)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2076186)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2092196)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _5838)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _7696)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _23706)
   Exit: (216) [system] get_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', _5838)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _41348)
   Call: (218) [system] peek_char((0x560c892e10d0), _42282)
   Exit: (218) [system] peek_char((0x560c892e10d0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_47002, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_47934, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x560c892e10d0), m)
   Exit: (218) [system] get_char((0x560c892e10d0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _55284)
   Call: (219) [system] peek_char((0x560c892e10d0), _56218)
   Exit: (219) [system] peek_char((0x560c892e10d0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_60938, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_61870, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x560c892e10d0), p)
   Exit: (219) [system] get_char((0x560c892e10d0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _69220)
   Call: (220) [system] peek_char((0x560c892e10d0), _70154)
   Exit: (220) [system] peek_char((0x560c892e10d0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_74874, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_75806, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x560c892e10d0), l)
   Exit: (220) [system] get_char((0x560c892e10d0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _83156)
   Call: (221) [system] peek_char((0x560c892e10d0), _84090)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_88810, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_89742, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _97092)
   Call: (222) [system] peek_char((0x560c892e10d0), _98026)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_102746, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_103678, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _111028)
   Call: (223) [system] peek_char((0x560c892e10d0), _111962)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_116682, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_117614, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x560c892e10d0), a)
   Exit: (223) [system] get_char((0x560c892e10d0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _124964)
   Call: (224) [system] peek_char((0x560c892e10d0), _125898)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_130618, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_131550, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _138900)
   Call: (225) [system] peek_char((0x560c892e10d0), _139834)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_144554, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_145486, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _152836)
   Call: (226) [system] peek_char((0x560c892e10d0), _153770)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_158490, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_159422, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _166772)
   Call: (227) [system] peek_char((0x560c892e10d0), _167706)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_172426, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_173358, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _180708)
   Call: (228) [system] peek_char((0x560c892e10d0), _181642)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _180708=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _166772=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (226) [system] _152836=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (225) [system] _138900=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (224) [system] _124964=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (223) [system] _111028=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (222) [system] _97092=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (221) [system] _83156=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (220) [system] _69220=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _55284=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _41348=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5838)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _218866)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_219818, _219820), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _218866), _219800, fail)), '$restore_trace'(_219818, _219820))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_219818, _219820))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _218866), _219800, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_218866)
   Fail: (219) [system] atomic(_218866)
   Call: (219) [system] atom_chars(_218866, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _5838='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _233816)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _235674)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _245268)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _247972)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _264906)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _270476)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _272334)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _288344)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _270476)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _293914)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _309924)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _315494)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _317352)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _333362)
   Exit: (219) [system] get_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', _315494)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _351004)
   Call: (221) [system] peek_char((0x560c892e10d0), _351938)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_356658, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_357590, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _364940)
   Call: (222) [system] peek_char((0x560c892e10d0), _365874)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_370594, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_371526, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _378876)
   Call: (223) [system] peek_char((0x560c892e10d0), _379810)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_384530, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_385462, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _392812)
   Call: (224) [system] peek_char((0x560c892e10d0), _393746)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_398466, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_399398, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _406748)
   Call: (225) [system] peek_char((0x560c892e10d0), _407682)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_412402, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_413334, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _420684)
   Call: (226) [system] peek_char((0x560c892e10d0), _421618)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_426338, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_427270, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _434620)
   Call: (227) [system] peek_char((0x560c892e10d0), _435554)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _434620=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _420684=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _406748=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _392812=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _378876=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _364940=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (221) [system] _351004=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _315494)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _461602)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_462554, _462556), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _461602), _462536, fail)), '$restore_trace'(_462554, _462556))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_462554, _462556))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _461602), _462536, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_461602)
   Fail: (222) [system] atomic(_461602)
   Call: (222) [system] atom_chars(_461602, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _315494='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _476552)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _478410)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _488004)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _490708)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _507642)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _513212)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _515070)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _531080)
   Exit: (220) [system] get_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', _513212)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _548722)
   Call: (222) [system] peek_char((0x560c892e10d0), _549656)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _548722=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _513212)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _558940)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_559892, _559894), once(user:catch(read_from_chars(['A'], _558940), _559874, fail)), '$restore_trace'(_559892, _559894))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_559892, _559894))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _558940), _559874, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_558940)
   Fail: (223) [system] atomic(_558940)
   Call: (223) [system] atom_chars(_558940, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _513212='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _573890)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _575748)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _585342)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _588046)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _604980)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _610550)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _612408)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _628418)
   Exit: (221) [system] get_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', _610550)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _646060)
   Call: (223) [system] peek_char((0x560c892e10d0), _646994)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_651714, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _646060=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _610550)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _658150)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_659102, _659104), once(user:catch(read_from_chars(['B'], _658150), _659084, fail)), '$restore_trace'(_659102, _659104))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_659102, _659104))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _658150), _659084, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_658150)
   Fail: (224) [system] atomic(_658150)
   Call: (224) [system] atom_chars(_658150, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _610550='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _673100)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _674958)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _690968)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _694758)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _673100=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _573890=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (219) [system] _476552=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (218) [system] _270476=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _708640)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _710498)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _720092)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _722796)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _739730)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _745300)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _747158)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _763168)
   Exit: (218) [system] get_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', _745300)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _780810)
   Call: (220) [system] peek_char((0x560c892e10d0), _781744)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_786464, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _780810=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _745300)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _792900)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_793852, _793854), once(user:catch(read_from_chars(['C'], _792900), _793834, fail)), '$restore_trace'(_793852, _793854))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_793852, _793854))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _792900), _793834, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_792900)
   Fail: (221) [system] atomic(_792900)
   Call: (221) [system] atom_chars(_792900, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _745300='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _807850)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _809708)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _825718)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _829508)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _807850=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _708640=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (216) [system] _233816=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4958=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _843390)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _845248)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _861258)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _865048)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _843390=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _4954=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4948=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4940=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _878930)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _880788)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _896798)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _900588)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _878930=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _4936=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4886=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _914470)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _916328)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _932338)
   Exit: (206) [system] peek_char((0x560c892e10d0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x560c892e10d0), _936128)
   Exit: (206) [system] get_char((0x560c892e10d0), ')')
   Call: (206) [system] _914470=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [])
   Call: (205) [system] _4882=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (204) [system] _4840=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (203) [system] _4832=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (203) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (202) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (201) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (201) [user] read_list(')', (0x560c892e10d0), _950010)
^  Call: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _951868)
   Exit: (203) [system] peek_char((0x560c892e10d0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x560c892e10d0), _963318)
   Exit: (203) [system] get_char((0x560c892e10d0), '\n')
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _966022)
   Exit: (204) [system] peek_char((0x560c892e10d0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x560c892e10d0), _975616)
   Exit: (204) [system] get_char((0x560c892e10d0), ' ')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _978320)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
^  Exit: (202) [user] skip_spaces((0x560c892e10d0))
   Call: (202) [system] peek_char((0x560c892e10d0), _996178)
   Exit: (202) [system] peek_char((0x560c892e10d0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x560c892e10d0), _1001748)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1003606)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] get_char((0x560c892e10d0), _1019616)
   Exit: (203) [system] get_char((0x560c892e10d0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1001748)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1025186)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _1041196)
   Exit: (204) [system] peek_char((0x560c892e10d0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _1046766)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1048624)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _1064634)
   Exit: (205) [system] get_char((0x560c892e10d0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x560c892e10d0), :, _1046766)
^  Call: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), _1082276)
   Call: (207) [system] peek_char((0x560c892e10d0), _1083210)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1082276=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _1046766)
^  Call: (207) [user] classify_and_convert_charseq_([:], _1092494)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1093446, _1093448), once(user:catch(read_from_chars([:], _1092494), _1093428, fail)), '$restore_trace'(_1093446, _1093448))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1093446, _1093448))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1093428, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _1046766=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1105574)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1107432)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _1117026)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1119730)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1136664)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1142234)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1144092)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1160102)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1142234)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1165672)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1181682)
   Exit: (207) [system] peek_char((0x560c892e10d0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1187252)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1189110)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1205120)
   Exit: (208) [system] get_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1187252)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1222762)
   Call: (210) [system] peek_char((0x560c892e10d0), _1223696)
   Exit: (210) [system] peek_char((0x560c892e10d0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1228416, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1229348, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x560c892e10d0), i)
   Exit: (210) [system] get_char((0x560c892e10d0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1236698)
   Call: (211) [system] peek_char((0x560c892e10d0), _1237632)
   Exit: (211) [system] peek_char((0x560c892e10d0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1242352, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1243284, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x560c892e10d0), s)
   Exit: (211) [system] get_char((0x560c892e10d0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1250634)
   Call: (212) [system] peek_char((0x560c892e10d0), _1251568)
   Exit: (212) [system] peek_char((0x560c892e10d0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1256288, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1257220, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x560c892e10d0), j)
   Exit: (212) [system] get_char((0x560c892e10d0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1264570)
   Call: (213) [system] peek_char((0x560c892e10d0), _1265504)
   Exit: (213) [system] peek_char((0x560c892e10d0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1270224, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1271156, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x560c892e10d0), u)
   Exit: (213) [system] get_char((0x560c892e10d0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1278506)
   Call: (214) [system] peek_char((0x560c892e10d0), _1279440)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1284160, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1285092, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1292442)
   Call: (215) [system] peek_char((0x560c892e10d0), _1293376)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1298096, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1299028, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1306378)
   Call: (216) [system] peek_char((0x560c892e10d0), _1307312)
   Exit: (216) [system] peek_char((0x560c892e10d0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1312032, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1312964, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x560c892e10d0), t)
   Exit: (216) [system] get_char((0x560c892e10d0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1320314)
   Call: (217) [system] peek_char((0x560c892e10d0), _1321248)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1325968, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1326900, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1334250)
   Call: (218) [system] peek_char((0x560c892e10d0), _1335184)
   Exit: (218) [system] peek_char((0x560c892e10d0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1339904, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1340836, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x560c892e10d0), o)
   Exit: (218) [system] get_char((0x560c892e10d0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1348186)
   Call: (219) [system] peek_char((0x560c892e10d0), _1349120)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1353840, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1354772, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1362122)
   Call: (220) [system] peek_char((0x560c892e10d0), _1363056)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1367776, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1368708, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x560c892e10d0), 'I')
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1376058)
   Call: (221) [system] peek_char((0x560c892e10d0), _1376992)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1381712, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1382644, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1389994)
   Call: (222) [system] peek_char((0x560c892e10d0), _1390928)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1395648, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1396580, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1403930)
   Call: (223) [system] peek_char((0x560c892e10d0), _1404864)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1409584, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1410516, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1417866)
   Call: (224) [system] peek_char((0x560c892e10d0), _1418800)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1423520, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1424452, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1431802)
   Call: (225) [system] peek_char((0x560c892e10d0), _1432736)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1437456, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1438388, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445738)
   Call: (226) [system] peek_char((0x560c892e10d0), _1446672)
   Exit: (226) [system] peek_char((0x560c892e10d0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1451392, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1452324, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x560c892e10d0), u)
   Exit: (226) [system] get_char((0x560c892e10d0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1459674)
   Call: (227) [system] peek_char((0x560c892e10d0), _1460608)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1465328, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1466260, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1473610)
   Call: (228) [system] peek_char((0x560c892e10d0), _1474544)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1479264, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1480196, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1487546)
   Call: (229) [system] peek_char((0x560c892e10d0), _1488480)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1493200, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1494132, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1501482)
   Call: (230) [system] peek_char((0x560c892e10d0), _1502416)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1507136, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1508068, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1515418)
   Call: (231) [system] peek_char((0x560c892e10d0), _1516352)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1521072, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1522004, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1529354)
   Call: (232) [system] peek_char((0x560c892e10d0), _1530288)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1529354=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1515418=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _1501482=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _1487546=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _1473610=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _1459674=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (226) [system] _1445738=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (225) [system] _1431802=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (224) [system] _1417866=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1403930=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1389994=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1376058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1362122=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1348186=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1334250=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1320314=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1306378=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1292442=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1278506=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1264570=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1250634=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1236698=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1222762=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1187252)
^  Call: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1601992, _1601994), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040), _1601974, fail)), '$restore_trace'(_1601992, _1601994))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1601992, _1601994))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040), _1601974, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1601040)
   Fail: (211) [system] atomic(_1601040)
   Call: (211) [system] atom_chars(_1601040, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (210) [system] integer('DisjunctionIntroduction')
   Fail: (210) [system] integer('DisjunctionIntroduction')
   Call: (210) [system] _1187252='DisjunctionIntroduction'
   Exit: (210) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1615990)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1617848)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1627442)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1630146)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1647080)
   Exit: (208) [system] peek_char((0x560c892e10d0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1652650)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1654508)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1670518)
   Exit: (209) [system] get_char((0x560c892e10d0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), a, _1652650)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1688160)
   Call: (211) [system] peek_char((0x560c892e10d0), _1689094)
   Exit: (211) [system] peek_char((0x560c892e10d0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1693814, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1694746, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x560c892e10d0), b)
   Exit: (211) [system] get_char((0x560c892e10d0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1702096)
   Call: (212) [system] peek_char((0x560c892e10d0), _1703030)
   Exit: (212) [system] peek_char((0x560c892e10d0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1707750, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1708682, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x560c892e10d0), c)
   Exit: (212) [system] get_char((0x560c892e10d0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1716032)
   Call: (213) [system] peek_char((0x560c892e10d0), _1716966)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1716032=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (212) [system] _1702096=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (211) [system] _1688160=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1652650)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1731838)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1732790, _1732792), once(user:catch(read_from_chars([a, b, c], _1731838), _1732772, fail)), '$restore_trace'(_1732790, _1732792))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1732790, _1732792))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1732772, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1652650=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1744918)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1746776)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1756370)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1759074)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1776008)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1781578)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1783436)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1799446)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1781578)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1805016)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1821026)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1826596)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1828454)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1844464)
   Exit: (212) [system] get_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1826596)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1862106)
   Call: (214) [system] peek_char((0x560c892e10d0), _1863040)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1867760, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1868692, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1876042)
   Call: (215) [system] peek_char((0x560c892e10d0), _1876976)
   Exit: (215) [system] peek_char((0x560c892e10d0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_1881696, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_1882628, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x560c892e10d0), s)
   Exit: (215) [system] get_char((0x560c892e10d0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1889978)
   Call: (216) [system] peek_char((0x560c892e10d0), _1890912)
   Exit: (216) [system] peek_char((0x560c892e10d0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1895632, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_1896564, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x560c892e10d0), j)
   Exit: (216) [system] get_char((0x560c892e10d0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903914)
   Call: (217) [system] peek_char((0x560c892e10d0), _1904848)
   Exit: (217) [system] peek_char((0x560c892e10d0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1909568, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1910500, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x560c892e10d0), u)
   Exit: (217) [system] get_char((0x560c892e10d0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917850)
   Call: (218) [system] peek_char((0x560c892e10d0), _1918784)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1923504, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1924436, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931786)
   Call: (219) [system] peek_char((0x560c892e10d0), _1932720)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1937440, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1938372, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1945722)
   Call: (220) [system] peek_char((0x560c892e10d0), _1946656)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1951376, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1952308, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1959658)
   Call: (221) [system] peek_char((0x560c892e10d0), _1960592)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1965312, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1966244, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1973594)
   Call: (222) [system] peek_char((0x560c892e10d0), _1974528)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1979248, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1980180, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1987530)
   Call: (223) [system] peek_char((0x560c892e10d0), _1988464)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1993184, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1994116, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2001466)
   Call: (224) [system] peek_char((0x560c892e10d0), _2002400)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_2007120, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_2008052, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x560c892e10d0), 'I')
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2015402)
   Call: (225) [system] peek_char((0x560c892e10d0), _2016336)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2021056, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2021988, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2029338)
   Call: (226) [system] peek_char((0x560c892e10d0), _2030272)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_2034992, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_2035924, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2043274)
   Call: (227) [system] peek_char((0x560c892e10d0), _2044208)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_2048928, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_2049860, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2057210)
   Call: (228) [system] peek_char((0x560c892e10d0), _2058144)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_2062864, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_2063796, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2071146)
   Call: (229) [system] peek_char((0x560c892e10d0), _2072080)
   Exit: (229) [system] peek_char((0x560c892e10d0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_2076800, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_2077732, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x560c892e10d0), d)
   Exit: (229) [system] get_char((0x560c892e10d0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2085082)
   Call: (230) [system] peek_char((0x560c892e10d0), _2086016)
   Exit: (230) [system] peek_char((0x560c892e10d0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_2090736, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_2091668, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x560c892e10d0), u)
   Exit: (230) [system] get_char((0x560c892e10d0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _7318)
   Call: (231) [system] peek_char((0x560c892e10d0), _8252)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_12972, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_13904, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _21254)
   Call: (232) [system] peek_char((0x560c892e10d0), _22188)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_26908, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_27840, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _35190)
   Call: (233) [system] peek_char((0x560c892e10d0), _36124)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_40844, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_41776, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _49126)
   Call: (234) [system] peek_char((0x560c892e10d0), _50060)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_54780, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_55712, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _63062)
   Call: (235) [system] peek_char((0x560c892e10d0), _63996)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_68716, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_69648, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _76998)
   Call: (236) [system] peek_char((0x560c892e10d0), _77932)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _76998=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _63062=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _49126=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _35190=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _21254=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _7318=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (230) [system] _5104=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (229) [system] _5100=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (228) [system] _5096=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _5092=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5088=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5084=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5080=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5076=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5072=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5068=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5064=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5060=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5056=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5052=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _5048=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5044=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _5040=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5036)
^  Call: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_149636, _149638), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684), _149618, fail)), '$restore_trace'(_149636, _149638))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_149636, _149638))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684), _149618, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_148684)
   Fail: (215) [system] atomic(_148684)
   Call: (215) [system] atom_chars(_148684, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (214) [system] integer('DisjunctionIntroduction')
   Fail: (214) [system] integer('DisjunctionIntroduction')
   Call: (214) [system] _5036='DisjunctionIntroduction'
   Exit: (214) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _163634)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _165492)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _175086)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _177790)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _194724)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _200294)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _202152)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _218162)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), a, _200294)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _235804)
   Call: (215) [system] peek_char((0x560c892e10d0), _236738)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _235804=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _200294)
^  Call: (215) [user] classify_and_convert_charseq_([a], _246022)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_246974, _246976), once(user:catch(read_from_chars([a], _246022), _246956, fail)), '$restore_trace'(_246974, _246976))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_246974, _246976))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _246956, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _200294=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _259102)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _260960)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _270554)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _273258)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _290192)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _295762)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _297620)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _313630)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), a, _295762)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _331272)
   Call: (216) [system] peek_char((0x560c892e10d0), _332206)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_336926, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _331272=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _295762)
^  Call: (216) [user] classify_and_convert_charseq_([a], _343362)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_344314, _344316), once(user:catch(read_from_chars([a], _343362), _344296, fail)), '$restore_trace'(_344314, _344316))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_344314, _344316))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _344296, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _295762=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _356442)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _358300)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _374310)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _378100)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _356442=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _259102=[a]
   Exit: (213) [system] [a]=[a]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (212) [system] _163634=[a, a]
   Exit: (212) [system] [a, a]=[a, a]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (211) [system] _5030=['DisjunctionIntroduction', a, a]
   Exit: (211) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _391982)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _393840)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _409850)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _413640)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _391982=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _5026=[['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a]])
   Call: (208) [system] _5020=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (208) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (207) [system] _5012=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _427522)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _429380)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _438974)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _441678)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _458612)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _464182)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _466040)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _482050)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _464182)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _487620)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _503630)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _509200)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _511058)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _527068)
   Exit: (209) [system] get_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', _509200)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _544710)
   Call: (211) [system] peek_char((0x560c892e10d0), _545644)
   Exit: (211) [system] peek_char((0x560c892e10d0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_550364, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_551296, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x560c892e10d0), r)
   Exit: (211) [system] get_char((0x560c892e10d0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _558646)
   Call: (212) [system] peek_char((0x560c892e10d0), _559580)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_564300, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_565232, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x560c892e10d0), 'L')
   Exit: (212) [system] get_char((0x560c892e10d0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _572582)
   Call: (213) [system] peek_char((0x560c892e10d0), _573516)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_578236, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_579168, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _586518)
   Call: (214) [system] peek_char((0x560c892e10d0), _587452)
   Exit: (214) [system] peek_char((0x560c892e10d0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_592172, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_593104, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x560c892e10d0), n)
   Exit: (214) [system] get_char((0x560c892e10d0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _600454)
   Call: (215) [system] peek_char((0x560c892e10d0), _601388)
   Exit: (215) [system] peek_char((0x560c892e10d0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_606108, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_607040, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x560c892e10d0), k)
   Exit: (215) [system] get_char((0x560c892e10d0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _614390)
   Call: (216) [system] peek_char((0x560c892e10d0), _615324)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _614390=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _600454=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (214) [system] _586518=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (213) [system] _572582=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (212) [system] _558646=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (211) [system] _544710=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _509200)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _638578)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_639530, _639532), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _638578), _639512, fail)), '$restore_trace'(_639530, _639532))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_639530, _639532))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _638578), _639512, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_638578)
   Fail: (212) [system] atomic(_638578)
   Call: (212) [system] atom_chars(_638578, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _509200='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _653528)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _655386)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _664980)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _667684)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _684618)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _690188)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _692046)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _708056)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _690188)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _713626)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _729636)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _735206)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _737064)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _753074)
   Exit: (212) [system] get_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', _735206)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _770716)
   Call: (214) [system] peek_char((0x560c892e10d0), _771650)
   Exit: (214) [system] peek_char((0x560c892e10d0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_776370, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_777302, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x560c892e10d0), m)
   Exit: (214) [system] get_char((0x560c892e10d0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _784652)
   Call: (215) [system] peek_char((0x560c892e10d0), _785586)
   Exit: (215) [system] peek_char((0x560c892e10d0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_790306, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_791238, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x560c892e10d0), p)
   Exit: (215) [system] get_char((0x560c892e10d0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _798588)
   Call: (216) [system] peek_char((0x560c892e10d0), _799522)
   Exit: (216) [system] peek_char((0x560c892e10d0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_804242, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_805174, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x560c892e10d0), l)
   Exit: (216) [system] get_char((0x560c892e10d0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _812524)
   Call: (217) [system] peek_char((0x560c892e10d0), _813458)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_818178, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_819110, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _826460)
   Call: (218) [system] peek_char((0x560c892e10d0), _827394)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_832114, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_833046, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _840396)
   Call: (219) [system] peek_char((0x560c892e10d0), _841330)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_846050, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_846982, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x560c892e10d0), a)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _854332)
   Call: (220) [system] peek_char((0x560c892e10d0), _855266)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_859986, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_860918, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _868268)
   Call: (221) [system] peek_char((0x560c892e10d0), _869202)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_873922, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_874854, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _882204)
   Call: (222) [system] peek_char((0x560c892e10d0), _883138)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_887858, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_888790, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _896140)
   Call: (223) [system] peek_char((0x560c892e10d0), _897074)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_901794, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_902726, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _910076)
   Call: (224) [system] peek_char((0x560c892e10d0), _911010)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _910076=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _896140=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (222) [system] _882204=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (221) [system] _868268=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (220) [system] _854332=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (219) [system] _840396=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (218) [system] _826460=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (217) [system] _812524=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (216) [system] _798588=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _784652=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _770716=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _735206)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _948234)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_949186, _949188), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _948234), _949168, fail)), '$restore_trace'(_949186, _949188))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_949186, _949188))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _948234), _949168, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_948234)
   Fail: (215) [system] atomic(_948234)
   Call: (215) [system] atom_chars(_948234, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _735206='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _963184)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _965042)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _974636)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _977340)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _994274)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _999844)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1001702)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1017712)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _999844)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1023282)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1039292)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1044862)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1046720)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1062730)
   Exit: (215) [system] get_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1044862)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1080372)
   Call: (217) [system] peek_char((0x560c892e10d0), _1081306)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1086026, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1086958, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1094308)
   Call: (218) [system] peek_char((0x560c892e10d0), _1095242)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1099962, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1100894, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1108244)
   Call: (219) [system] peek_char((0x560c892e10d0), _1109178)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1113898, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1114830, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1122180)
   Call: (220) [system] peek_char((0x560c892e10d0), _1123114)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1127834, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1128766, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1136116)
   Call: (221) [system] peek_char((0x560c892e10d0), _1137050)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1141770, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1142702, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1150052)
   Call: (222) [system] peek_char((0x560c892e10d0), _1150986)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1155706, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1156638, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1163988)
   Call: (223) [system] peek_char((0x560c892e10d0), _1164922)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1163988=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1150052=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1136116=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1122180=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1108244=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1094308=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (217) [system] _1080372=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1044862)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1190970)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1191922, _1191924), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1190970), _1191904, fail)), '$restore_trace'(_1191922, _1191924))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1191922, _1191924))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1190970), _1191904, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1190970)
   Fail: (218) [system] atomic(_1190970)
   Call: (218) [system] atom_chars(_1190970, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1044862='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1205920)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1207778)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1217372)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1220076)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1237010)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1242580)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1244438)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1260448)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1242580)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1278090)
   Call: (218) [system] peek_char((0x560c892e10d0), _1279024)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1278090=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1242580)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1288308)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1289260, _1289262), once(user:catch(read_from_chars(['A'], _1288308), _1289242, fail)), '$restore_trace'(_1289260, _1289262))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1289260, _1289262))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1288308), _1289242, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1288308)
   Fail: (219) [system] atomic(_1288308)
   Call: (219) [system] atom_chars(_1288308, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1242580='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1303258)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1305116)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1314710)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1317414)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1334348)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1339918)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1341776)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1357786)
   Exit: (217) [system] get_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1339918)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1375428)
   Call: (219) [system] peek_char((0x560c892e10d0), _1376362)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1381082, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1375428=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1339918)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1387518)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1388470, _1388472), once(user:catch(read_from_chars(['B'], _1387518), _1388452, fail)), '$restore_trace'(_1388470, _1388472))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1388470, _1388472))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1387518), _1388452, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1387518)
   Fail: (220) [system] atomic(_1387518)
   Call: (220) [system] atom_chars(_1387518, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1339918='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1402468)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1404326)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1420336)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1424126)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1402468=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _1303258=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (215) [system] _1205920=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (214) [system] _999844=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1438008)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1439866)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1449460)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1452164)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1469098)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1474668)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1476526)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1492536)
   Exit: (214) [system] get_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1474668)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1510178)
   Call: (216) [system] peek_char((0x560c892e10d0), _1511112)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1515832, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1510178=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _1474668)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _1522268)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1523220, _1523222), once(user:catch(read_from_chars(['C'], _1522268), _1523202, fail)), '$restore_trace'(_1523220, _1523222))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1523220, _1523222))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1522268), _1523202, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1522268)
   Fail: (217) [system] atomic(_1522268)
   Call: (217) [system] atom_chars(_1522268, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _1474668='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1537218)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1539076)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1555086)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _1558876)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _1537218=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _1438008=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (212) [system] _963184=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _690188=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1572758)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1574616)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1584210)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1586914)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1603848)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1609418)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1611276)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1627286)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1609418)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1632856)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1648866)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1654436)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1656294)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1672304)
   Exit: (213) [system] get_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1654436)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1689946)
   Call: (215) [system] peek_char((0x560c892e10d0), _1690880)
   Exit: (215) [system] peek_char((0x560c892e10d0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1695600, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1696532, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x560c892e10d0), r)
   Exit: (215) [system] get_char((0x560c892e10d0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1703882)
   Call: (216) [system] peek_char((0x560c892e10d0), _1704816)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1709536, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1710468, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x560c892e10d0), 'L')
   Exit: (216) [system] get_char((0x560c892e10d0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1717818)
   Call: (217) [system] peek_char((0x560c892e10d0), _1718752)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1723472, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1724404, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1731754)
   Call: (218) [system] peek_char((0x560c892e10d0), _1732688)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1737408, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1738340, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1745690)
   Call: (219) [system] peek_char((0x560c892e10d0), _1746624)
   Exit: (219) [system] peek_char((0x560c892e10d0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1751344, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1752276, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x560c892e10d0), k)
   Exit: (219) [system] get_char((0x560c892e10d0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1759626)
   Call: (220) [system] peek_char((0x560c892e10d0), _1760560)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1759626=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1745690=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (218) [system] _1731754=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (217) [system] _1717818=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (216) [system] _1703882=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (215) [system] _1689946=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1654436)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1783814)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1784766, _1784768), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1783814), _1784748, fail)), '$restore_trace'(_1784766, _1784768))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1784766, _1784768))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1783814), _1784748, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1783814)
   Fail: (216) [system] atomic(_1783814)
   Call: (216) [system] atom_chars(_1783814, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _1654436='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1798764)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1800622)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1810216)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1812920)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1829854)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1835424)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1837282)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1853292)
   Exit: (214) [system] get_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1835424)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1870934)
   Call: (216) [system] peek_char((0x560c892e10d0), _1871868)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1870934=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1835424)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1881152)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1882104, _1882106), once(user:catch(read_from_chars(['B'], _1881152), _1882086, fail)), '$restore_trace'(_1882104, _1882106))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1882104, _1882106))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1881152), _1882086, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1881152)
   Fail: (217) [system] atomic(_1881152)
   Call: (217) [system] atom_chars(_1881152, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1835424='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1896102)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1897960)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1907554)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1910258)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1927192)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1932762)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1934620)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1950630)
   Exit: (215) [system] get_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1932762)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1968272)
   Call: (217) [system] peek_char((0x560c892e10d0), _1969206)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1973926, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1968272=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1932762)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _1980362)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1981314, _1981316), once(user:catch(read_from_chars(['B'], _1980362), _1981296, fail)), '$restore_trace'(_1981314, _1981316))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1981314, _1981316))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1980362), _1981296, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1980362)
   Fail: (218) [system] atomic(_1980362)
   Call: (218) [system] atom_chars(_1980362, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1932762='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1995312)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1997170)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2013180)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _2016970)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1995312=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _1896102=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (213) [system] _1798764=['B', 'B']
   Exit: (213) [system] ['B', 'B']=['B', 'B']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['B', 'B'])
   Call: (212) [system] _1609418=['OrLink', 'B', 'B']
   Exit: (212) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', 'B'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _2030852)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _2032710)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2048720)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _2052510)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _2030852=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _1572758=[['OrLink', 'B', 'B']]
   Exit: (210) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', 'B']])
   Call: (209) [system] _653528=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
   Call: (208) [system] _464182=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _2066392)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _2068250)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2084260)
   Exit: (207) [system] peek_char((0x560c892e10d0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x560c892e10d0), _2088050)
   Exit: (207) [system] get_char((0x560c892e10d0), ')')
   Call: (207) [system] _2066392=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [])
   Call: (206) [system] _427522=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _5008=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _5000=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Exit: (202) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Call: (202) [user] read_list(')', (0x560c892e10d0), _10320)
^  Call: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _12178)
   Exit: (204) [system] peek_char((0x560c892e10d0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x560c892e10d0), _23628)
   Exit: (204) [system] get_char((0x560c892e10d0), '\n')
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _26332)
   Exit: (205) [system] peek_char((0x560c892e10d0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x560c892e10d0), _35926)
   Exit: (205) [system] get_char((0x560c892e10d0), ' ')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _38630)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
^  Exit: (203) [user] skip_spaces((0x560c892e10d0))
   Call: (203) [system] peek_char((0x560c892e10d0), _56488)
   Exit: (203) [system] peek_char((0x560c892e10d0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x560c892e10d0), _62058)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _63916)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] get_char((0x560c892e10d0), _79926)
   Exit: (204) [system] get_char((0x560c892e10d0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _62058)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _85496)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _101506)
   Exit: (205) [system] peek_char((0x560c892e10d0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _107076)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _108934)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _124944)
   Exit: (206) [system] get_char((0x560c892e10d0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x560c892e10d0), :, _107076)
^  Call: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), _142586)
   Call: (208) [system] peek_char((0x560c892e10d0), _143520)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _142586=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _107076)
^  Call: (208) [user] classify_and_convert_charseq_([:], _152804)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_153756, _153758), once(user:catch(read_from_chars([:], _152804), _153738, fail)), '$restore_trace'(_153756, _153758))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_153756, _153758))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _153738, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _107076=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _165884)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _167742)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _177336)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _180040)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _196974)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _202544)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _204402)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _220412)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _202544)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _225982)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _241992)
   Exit: (208) [system] peek_char((0x560c892e10d0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _247562)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _249420)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _265430)
   Exit: (209) [system] get_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), 'D', _247562)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _283072)
   Call: (211) [system] peek_char((0x560c892e10d0), _284006)
   Exit: (211) [system] peek_char((0x560c892e10d0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_288726, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_289658, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x560c892e10d0), i)
   Exit: (211) [system] get_char((0x560c892e10d0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _297008)
   Call: (212) [system] peek_char((0x560c892e10d0), _297942)
   Exit: (212) [system] peek_char((0x560c892e10d0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_302662, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_303594, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x560c892e10d0), s)
   Exit: (212) [system] get_char((0x560c892e10d0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _310944)
   Call: (213) [system] peek_char((0x560c892e10d0), _311878)
   Exit: (213) [system] peek_char((0x560c892e10d0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_316598, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_317530, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x560c892e10d0), j)
   Exit: (213) [system] get_char((0x560c892e10d0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _324880)
   Call: (214) [system] peek_char((0x560c892e10d0), _325814)
   Exit: (214) [system] peek_char((0x560c892e10d0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_330534, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_331466, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x560c892e10d0), u)
   Exit: (214) [system] get_char((0x560c892e10d0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _338816)
   Call: (215) [system] peek_char((0x560c892e10d0), _339750)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_344470, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_345402, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _352752)
   Call: (216) [system] peek_char((0x560c892e10d0), _353686)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_358406, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_359338, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _366688)
   Call: (217) [system] peek_char((0x560c892e10d0), _367622)
   Exit: (217) [system] peek_char((0x560c892e10d0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_372342, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_373274, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x560c892e10d0), t)
   Exit: (217) [system] get_char((0x560c892e10d0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _380624)
   Call: (218) [system] peek_char((0x560c892e10d0), _381558)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_386278, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_387210, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _394560)
   Call: (219) [system] peek_char((0x560c892e10d0), _395494)
   Exit: (219) [system] peek_char((0x560c892e10d0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_400214, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_401146, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x560c892e10d0), o)
   Exit: (219) [system] get_char((0x560c892e10d0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _408496)
   Call: (220) [system] peek_char((0x560c892e10d0), _409430)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_414150, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_415082, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _422432)
   Call: (221) [system] peek_char((0x560c892e10d0), _423366)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_428086, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_429018, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x560c892e10d0), 'I')
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _436368)
   Call: (222) [system] peek_char((0x560c892e10d0), _437302)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_442022, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_442954, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _450304)
   Call: (223) [system] peek_char((0x560c892e10d0), _451238)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_455958, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_456890, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _464240)
   Call: (224) [system] peek_char((0x560c892e10d0), _465174)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_469894, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_470826, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _478176)
   Call: (225) [system] peek_char((0x560c892e10d0), _479110)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_483830, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_484762, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _492112)
   Call: (226) [system] peek_char((0x560c892e10d0), _493046)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_497766, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_498698, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _506048)
   Call: (227) [system] peek_char((0x560c892e10d0), _506982)
   Exit: (227) [system] peek_char((0x560c892e10d0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_511702, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_512634, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x560c892e10d0), u)
   Exit: (227) [system] get_char((0x560c892e10d0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _519984)
   Call: (228) [system] peek_char((0x560c892e10d0), _520918)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_525638, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_526570, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _533920)
   Call: (229) [system] peek_char((0x560c892e10d0), _534854)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_539574, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_540506, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _547856)
   Call: (230) [system] peek_char((0x560c892e10d0), _548790)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_553510, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_554442, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _561792)
   Call: (231) [system] peek_char((0x560c892e10d0), _562726)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_567446, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_568378, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _575728)
   Call: (232) [system] peek_char((0x560c892e10d0), _576662)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_581382, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_582314, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _589664)
   Call: (233) [system] peek_char((0x560c892e10d0), _590598)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _589664=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _575728=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _561792=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _547856=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _533920=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _519984=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (227) [system] _506048=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (226) [system] _492112=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (225) [system] _478176=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _464240=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _450304=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _436368=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _422432=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _408496=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _394560=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _380624=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _366688=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _352752=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _338816=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _324880=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _310944=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _297008=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _283072=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _247562)
^  Call: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_662302, _662304), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350), _662284, fail)), '$restore_trace'(_662302, _662304))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_662302, _662304))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350), _662284, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_661350)
   Fail: (212) [system] atomic(_661350)
   Call: (212) [system] atom_chars(_661350, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (211) [system] integer('DisjunctionIntroduction')
   Fail: (211) [system] integer('DisjunctionIntroduction')
   Call: (211) [system] _247562='DisjunctionIntroduction'
   Exit: (211) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _676300)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _678158)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _687752)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _690456)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _707390)
   Exit: (209) [system] peek_char((0x560c892e10d0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _712960)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _714818)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _730828)
   Exit: (210) [system] get_char((0x560c892e10d0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), a, _712960)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _748470)
   Call: (212) [system] peek_char((0x560c892e10d0), _749404)
   Exit: (212) [system] peek_char((0x560c892e10d0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_754124, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_755056, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x560c892e10d0), b)
   Exit: (212) [system] get_char((0x560c892e10d0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _762406)
   Call: (213) [system] peek_char((0x560c892e10d0), _763340)
   Exit: (213) [system] peek_char((0x560c892e10d0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_768060, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_768992, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x560c892e10d0), c)
   Exit: (213) [system] get_char((0x560c892e10d0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _776342)
   Call: (214) [system] peek_char((0x560c892e10d0), _777276)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _776342=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (213) [system] _762406=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (212) [system] _748470=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _712960)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _792148)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_793100, _793102), once(user:catch(read_from_chars([a, b, c], _792148), _793082, fail)), '$restore_trace'(_793100, _793102))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_793100, _793102))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _793082, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _712960=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _805228)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _807086)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _816680)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _819384)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _836318)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _841888)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _843746)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _859756)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _841888)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _865326)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _881336)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _886906)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _888764)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _904774)
   Exit: (213) [system] get_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', _886906)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _922416)
   Call: (215) [system] peek_char((0x560c892e10d0), _923350)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_928070, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_929002, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _936352)
   Call: (216) [system] peek_char((0x560c892e10d0), _937286)
   Exit: (216) [system] peek_char((0x560c892e10d0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_942006, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_942938, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x560c892e10d0), s)
   Exit: (216) [system] get_char((0x560c892e10d0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _950288)
   Call: (217) [system] peek_char((0x560c892e10d0), _951222)
   Exit: (217) [system] peek_char((0x560c892e10d0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_955942, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_956874, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x560c892e10d0), j)
   Exit: (217) [system] get_char((0x560c892e10d0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _964224)
   Call: (218) [system] peek_char((0x560c892e10d0), _965158)
   Exit: (218) [system] peek_char((0x560c892e10d0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_969878, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_970810, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x560c892e10d0), u)
   Exit: (218) [system] get_char((0x560c892e10d0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _978160)
   Call: (219) [system] peek_char((0x560c892e10d0), _979094)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_983814, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_984746, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _992096)
   Call: (220) [system] peek_char((0x560c892e10d0), _993030)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_997750, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_998682, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1006032)
   Call: (221) [system] peek_char((0x560c892e10d0), _1006966)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1011686, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1012618, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1019968)
   Call: (222) [system] peek_char((0x560c892e10d0), _1020902)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1025622, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1026554, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1033904)
   Call: (223) [system] peek_char((0x560c892e10d0), _1034838)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1039558, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1040490, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1047840)
   Call: (224) [system] peek_char((0x560c892e10d0), _1048774)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1053494, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1054426, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1061776)
   Call: (225) [system] peek_char((0x560c892e10d0), _1062710)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1067430, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1068362, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x560c892e10d0), 'I')
   Exit: (225) [system] get_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1075712)
   Call: (226) [system] peek_char((0x560c892e10d0), _1076646)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1081366, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1082298, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1089648)
   Call: (227) [system] peek_char((0x560c892e10d0), _1090582)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1095302, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1096234, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1103584)
   Call: (228) [system] peek_char((0x560c892e10d0), _1104518)
   Exit: (228) [system] peek_char((0x560c892e10d0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1109238, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1110170, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x560c892e10d0), r)
   Exit: (228) [system] get_char((0x560c892e10d0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1117520)
   Call: (229) [system] peek_char((0x560c892e10d0), _1118454)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1123174, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1124106, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1131456)
   Call: (230) [system] peek_char((0x560c892e10d0), _1132390)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1137110, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1138042, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1145392)
   Call: (231) [system] peek_char((0x560c892e10d0), _1146326)
   Exit: (231) [system] peek_char((0x560c892e10d0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1151046, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1151978, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x560c892e10d0), u)
   Exit: (231) [system] get_char((0x560c892e10d0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1159328)
   Call: (232) [system] peek_char((0x560c892e10d0), _1160262)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1164982, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1165914, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1173264)
   Call: (233) [system] peek_char((0x560c892e10d0), _1174198)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1178918, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1179850, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1187200)
   Call: (234) [system] peek_char((0x560c892e10d0), _1188134)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1192854, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1193786, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1201136)
   Call: (235) [system] peek_char((0x560c892e10d0), _1202070)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1206790, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1207722, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1215072)
   Call: (236) [system] peek_char((0x560c892e10d0), _1216006)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1220726, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1221658, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1229008)
   Call: (237) [system] peek_char((0x560c892e10d0), _1229942)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1229008=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _1215072=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (235) [system] _1201136=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (234) [system] _1187200=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (233) [system] _1173264=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (232) [system] _1159328=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (231) [system] _1145392=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (230) [system] _1131456=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (229) [system] _1117520=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1103584=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1089648=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1075712=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1061776=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1047840=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1033904=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1019968=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1006032=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _992096=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _978160=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _964224=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _950288=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _936352=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _922416=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _886906)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1301646, _1301648), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694), _1301628, fail)), '$restore_trace'(_1301646, _1301648))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1301646, _1301648))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694), _1301628, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1300694)
   Fail: (216) [system] atomic(_1300694)
   Call: (216) [system] atom_chars(_1300694, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _886906='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1315644)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1317502)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1327096)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1329800)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1346734)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1352304)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1354162)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1370172)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), a, _1352304)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1387814)
   Call: (216) [system] peek_char((0x560c892e10d0), _1388748)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1387814=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _1352304)
^  Call: (216) [user] classify_and_convert_charseq_([a], _1398032)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1398984, _1398986), once(user:catch(read_from_chars([a], _1398032), _1398966, fail)), '$restore_trace'(_1398984, _1398986))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1398984, _1398986))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1398966, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _1352304=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1411112)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1412970)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1422564)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1425268)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1442202)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
   Call: (214) [system] c=')'
   Fail: (214) [system] c=')'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1447772)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1449630)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1465640)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c='('
   Fail: (215) [system] c='('
   Call: (215) [system] c='['
   Fail: (215) [system] c='['
   Call: (215) [system] c='{'
   Fail: (215) [system] c='{'
   Call: (215) [system] c='"'
   Fail: (215) [system] c='"'
   Call: (215) [system] c=!
   Fail: (215) [system] c=!
   Call: (215) [system] c='\''
   Fail: (215) [system] c='\''
   Call: (215) [system] c='`'
   Fail: (215) [system] c='`'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), c, _1447772)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483282)
   Call: (217) [system] peek_char((0x560c892e10d0), _1484216)
   Exit: (217) [system] peek_char((0x560c892e10d0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1488936, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1489868, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x560c892e10d0), d)
   Exit: (217) [system] get_char((0x560c892e10d0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497218)
   Call: (218) [system] peek_char((0x560c892e10d0), _1498152)
   Exit: (218) [system] peek_char((0x560c892e10d0), e)
^  Call: (218) [user] is_delimiter(e)
   Call: (219) [system] char_type(e, space)
   Fail: (219) [system] char_type(e, space)
   Call: (219) [system] arg(_1502872, v('(', ')', end_of_file), e)
   Fail: (219) [system] arg(_1503804, v('(', ')', end_of_file), e)
^  Fail: (218) [user] is_delimiter(e)
   Call: (218) [system] ')'==e
   Fail: (218) [system] ')'==e
   Call: (218) [system] get_char((0x560c892e10d0), e)
   Exit: (218) [system] get_char((0x560c892e10d0), e)
   Call: (218) [system] e=(\)
   Fail: (218) [system] e=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511154)
   Call: (219) [system] peek_char((0x560c892e10d0), _1512088)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1516808, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1511154=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _1497218=[e]
   Exit: (218) [system] [e]=[e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (217) [system] _1483282=[d, e]
   Exit: (217) [system] [d, e]=[d, e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (216) [user] classify_and_convert_charseq([c, d, e], _1447772)
^  Call: (217) [user] classify_and_convert_charseq_([c, d, e], _1528832)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1529784, _1529786), once(user:catch(read_from_chars([c, d, e], _1528832), _1529766, fail)), '$restore_trace'(_1529784, _1529786))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1529784, _1529786))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1529766, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(cde)
   Exit: (218) [system] atomic(cde)
^  Exit: (217) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (217) [system] integer(cde)
   Fail: (217) [system] integer(cde)
   Call: (217) [system] _1447772=cde
   Exit: (217) [system] cde=cde
^  Exit: (216) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1541912)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1543770)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1559780)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1563570)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1541912=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _1411112=[cde]
   Exit: (214) [system] [cde]=[cde]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (213) [system] _1315644=[a, cde]
   Exit: (213) [system] [a, cde]=[a, cde]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (212) [system] _841888=['DisjunctionIntroduction', a, cde]
   Exit: (212) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1577452)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1579310)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1595320)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1599110)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1577452=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _805228=[['DisjunctionIntroduction', a, cde]]
   Exit: (210) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, cde]])
   Call: (209) [system] _676300=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (209) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (208) [system] _202544=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1612992)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1614850)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1624444)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1627148)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1644082)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1649652)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1651510)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1667520)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1649652)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1673090)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1689100)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1694670)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1696528)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1712538)
   Exit: (210) [system] get_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1694670)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1730180)
   Call: (212) [system] peek_char((0x560c892e10d0), _1731114)
   Exit: (212) [system] peek_char((0x560c892e10d0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1735834, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1736766, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x560c892e10d0), r)
   Exit: (212) [system] get_char((0x560c892e10d0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1744116)
   Call: (213) [system] peek_char((0x560c892e10d0), _1745050)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1749770, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1750702, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x560c892e10d0), 'L')
   Exit: (213) [system] get_char((0x560c892e10d0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1758052)
   Call: (214) [system] peek_char((0x560c892e10d0), _1758986)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1763706, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1764638, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1771988)
   Call: (215) [system] peek_char((0x560c892e10d0), _1772922)
   Exit: (215) [system] peek_char((0x560c892e10d0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1777642, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1778574, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x560c892e10d0), n)
   Exit: (215) [system] get_char((0x560c892e10d0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1785924)
   Call: (216) [system] peek_char((0x560c892e10d0), _1786858)
   Exit: (216) [system] peek_char((0x560c892e10d0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1791578, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1792510, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x560c892e10d0), k)
   Exit: (216) [system] get_char((0x560c892e10d0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1799860)
   Call: (217) [system] peek_char((0x560c892e10d0), _1800794)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1799860=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _1785924=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (215) [system] _1771988=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (214) [system] _1758052=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (213) [system] _1744116=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (212) [system] _1730180=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1694670)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1824048)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1825000, _1825002), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1824048), _1824982, fail)), '$restore_trace'(_1825000, _1825002))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1825000, _1825002))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1824048), _1824982, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1824048)
   Fail: (213) [system] atomic(_1824048)
   Call: (213) [system] atom_chars(_1824048, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _1694670='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1838998)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1840856)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1850450)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1853154)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1870088)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1875658)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1877516)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1893526)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1875658)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1899096)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1915106)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1920676)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1922534)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1938544)
   Exit: (213) [system] get_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1920676)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1956186)
   Call: (215) [system] peek_char((0x560c892e10d0), _1957120)
   Exit: (215) [system] peek_char((0x560c892e10d0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1961840, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1962772, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x560c892e10d0), m)
   Exit: (215) [system] get_char((0x560c892e10d0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1970122)
   Call: (216) [system] peek_char((0x560c892e10d0), _1971056)
   Exit: (216) [system] peek_char((0x560c892e10d0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1975776, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1976708, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x560c892e10d0), p)
   Exit: (216) [system] get_char((0x560c892e10d0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1984058)
   Call: (217) [system] peek_char((0x560c892e10d0), _1984992)
   Exit: (217) [system] peek_char((0x560c892e10d0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1989712, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1990644, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x560c892e10d0), l)
   Exit: (217) [system] get_char((0x560c892e10d0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1997994)
   Call: (218) [system] peek_char((0x560c892e10d0), _1998928)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_2003648, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_2004580, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _2011930)
   Call: (219) [system] peek_char((0x560c892e10d0), _2012864)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_2017584, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_2018516, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2025866)
   Call: (220) [system] peek_char((0x560c892e10d0), _2026800)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_2031520, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_2032452, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x560c892e10d0), a)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2039802)
   Call: (221) [system] peek_char((0x560c892e10d0), _2040736)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2045456, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_2046388, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2053738)
   Call: (222) [system] peek_char((0x560c892e10d0), _2054672)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2059392, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2060324, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2067674)
   Call: (223) [system] peek_char((0x560c892e10d0), _2068608)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_2073328, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_2074260, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2081610)
   Call: (224) [system] peek_char((0x560c892e10d0), _2082544)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2087264, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_2088196, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2095546)
   Call: (225) [system] peek_char((0x560c892e10d0), _5252)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _5248=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _5244=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (223) [system] _5240=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (222) [system] _5236=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (221) [system] _5232=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (220) [system] _5228=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (219) [system] _5224=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (218) [system] _5220=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (217) [system] _5216=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _5212=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _5208=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5204)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _42146)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_43098, _43100), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _42146), _43080, fail)), '$restore_trace'(_43098, _43100))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_43098, _43100))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _42146), _43080, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_42146)
   Fail: (216) [system] atomic(_42146)
   Call: (216) [system] atom_chars(_42146, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _5204='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _57096)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _58954)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _68548)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _71252)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _88186)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _93756)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _95614)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _111624)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _93756)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _117194)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _133204)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _138774)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _140632)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _156642)
   Exit: (216) [system] get_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', _138774)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _174284)
   Call: (218) [system] peek_char((0x560c892e10d0), _175218)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_179938, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_180870, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _188220)
   Call: (219) [system] peek_char((0x560c892e10d0), _189154)
   Exit: (219) [system] peek_char((0x560c892e10d0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_193874, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_194806, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x560c892e10d0), d)
   Exit: (219) [system] get_char((0x560c892e10d0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _202156)
   Call: (220) [system] peek_char((0x560c892e10d0), _203090)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_207810, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_208742, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _216092)
   Call: (221) [system] peek_char((0x560c892e10d0), _217026)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_221746, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_222678, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _230028)
   Call: (222) [system] peek_char((0x560c892e10d0), _230962)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_235682, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_236614, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _243964)
   Call: (223) [system] peek_char((0x560c892e10d0), _244898)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_249618, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_250550, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _257900)
   Call: (224) [system] peek_char((0x560c892e10d0), _258834)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _257900=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _243964=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _230028=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _216092=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _202156=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _188220=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (218) [system] _174284=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _138774)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _284882)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_285834, _285836), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _284882), _285816, fail)), '$restore_trace'(_285834, _285836))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_285834, _285836))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _284882), _285816, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_284882)
   Fail: (219) [system] atomic(_284882)
   Call: (219) [system] atom_chars(_284882, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _138774='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _299832)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _301690)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _311284)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _313988)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _330922)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _336492)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _338350)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _354360)
   Exit: (217) [system] get_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', _336492)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _372002)
   Call: (219) [system] peek_char((0x560c892e10d0), _372936)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _372002=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _336492)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _382220)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_383172, _383174), once(user:catch(read_from_chars(['A'], _382220), _383154, fail)), '$restore_trace'(_383172, _383174))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_383172, _383174))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _382220), _383154, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_382220)
   Fail: (220) [system] atomic(_382220)
   Call: (220) [system] atom_chars(_382220, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _336492='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _397170)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _399028)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _408622)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _411326)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _428260)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _433830)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _435688)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _451698)
   Exit: (218) [system] get_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'B', _433830)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _469340)
   Call: (220) [system] peek_char((0x560c892e10d0), _470274)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_474994, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _469340=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _433830)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _481430)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_482382, _482384), once(user:catch(read_from_chars(['B'], _481430), _482364, fail)), '$restore_trace'(_482382, _482384))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_482382, _482384))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _481430), _482364, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_481430)
   Fail: (221) [system] atomic(_481430)
   Call: (221) [system] atom_chars(_481430, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _433830='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _496380)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _498238)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _514248)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _518038)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _496380=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _397170=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (216) [system] _299832=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (215) [system] _93756=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _531920)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _533778)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _543372)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _546076)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _563010)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _568580)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _570438)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _586448)
   Exit: (215) [system] get_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'C', _568580)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _604090)
   Call: (217) [system] peek_char((0x560c892e10d0), _605024)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_609744, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _604090=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _568580)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _616180)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_617132, _617134), once(user:catch(read_from_chars(['C'], _616180), _617114, fail)), '$restore_trace'(_617132, _617134))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_617132, _617134))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _616180), _617114, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_616180)
   Fail: (218) [system] atomic(_616180)
   Call: (218) [system] atom_chars(_616180, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _568580='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _631130)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _632988)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _648998)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _652788)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _631130=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _531920=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (213) [system] _57096=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _5198=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _666670)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _668528)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _678122)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _680826)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _697760)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _703330)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _705188)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _721198)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _703330)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _726768)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _742778)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _748348)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _750206)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _766216)
   Exit: (214) [system] get_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'O', _748348)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _783858)
   Call: (216) [system] peek_char((0x560c892e10d0), _784792)
   Exit: (216) [system] peek_char((0x560c892e10d0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_789512, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_790444, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x560c892e10d0), r)
   Exit: (216) [system] get_char((0x560c892e10d0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _797794)
   Call: (217) [system] peek_char((0x560c892e10d0), _798728)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_803448, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_804380, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x560c892e10d0), 'L')
   Exit: (217) [system] get_char((0x560c892e10d0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _811730)
   Call: (218) [system] peek_char((0x560c892e10d0), _812664)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_817384, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_818316, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _825666)
   Call: (219) [system] peek_char((0x560c892e10d0), _826600)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_831320, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_832252, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _839602)
   Call: (220) [system] peek_char((0x560c892e10d0), _840536)
   Exit: (220) [system] peek_char((0x560c892e10d0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_845256, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_846188, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x560c892e10d0), k)
   Exit: (220) [system] get_char((0x560c892e10d0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _853538)
   Call: (221) [system] peek_char((0x560c892e10d0), _854472)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _853538=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _839602=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (219) [system] _825666=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (218) [system] _811730=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (217) [system] _797794=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (216) [system] _783858=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _748348)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _877726)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_878678, _878680), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _877726), _878660, fail)), '$restore_trace'(_878678, _878680))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_878678, _878680))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _877726), _878660, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_877726)
   Fail: (217) [system] atomic(_877726)
   Call: (217) [system] atom_chars(_877726, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _748348='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _892676)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _894534)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _904128)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _906832)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _923766)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _929336)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _931194)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _947204)
   Exit: (215) [system] get_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', _929336)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _964846)
   Call: (217) [system] peek_char((0x560c892e10d0), _965780)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _964846=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _929336)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _975064)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_976016, _976018), once(user:catch(read_from_chars(['B'], _975064), _975998, fail)), '$restore_trace'(_976016, _976018))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_976016, _976018))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _975064), _975998, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_975064)
   Fail: (218) [system] atomic(_975064)
   Call: (218) [system] atom_chars(_975064, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _929336='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _990014)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _991872)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1001466)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1004170)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1021104)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1026674)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1028532)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1044542)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1026674)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1050112)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1066122)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1071692)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1073550)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1089560)
   Exit: (218) [system] get_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1071692)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1107202)
   Call: (220) [system] peek_char((0x560c892e10d0), _1108136)
   Exit: (220) [system] peek_char((0x560c892e10d0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_1112856, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_1113788, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x560c892e10d0), m)
   Exit: (220) [system] get_char((0x560c892e10d0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121138)
   Call: (221) [system] peek_char((0x560c892e10d0), _1122072)
   Exit: (221) [system] peek_char((0x560c892e10d0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_1126792, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_1127724, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x560c892e10d0), p)
   Exit: (221) [system] get_char((0x560c892e10d0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1135074)
   Call: (222) [system] peek_char((0x560c892e10d0), _1136008)
   Exit: (222) [system] peek_char((0x560c892e10d0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_1140728, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_1141660, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x560c892e10d0), l)
   Exit: (222) [system] get_char((0x560c892e10d0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1149010)
   Call: (223) [system] peek_char((0x560c892e10d0), _1149944)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1154664, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1155596, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1162946)
   Call: (224) [system] peek_char((0x560c892e10d0), _1163880)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1168600, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1169532, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1176882)
   Call: (225) [system] peek_char((0x560c892e10d0), _1177816)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_1182536, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_1183468, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x560c892e10d0), a)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1190818)
   Call: (226) [system] peek_char((0x560c892e10d0), _1191752)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1196472, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1197404, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1204754)
   Call: (227) [system] peek_char((0x560c892e10d0), _1205688)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1210408, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1211340, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1218690)
   Call: (228) [system] peek_char((0x560c892e10d0), _1219624)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1224344, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1225276, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1232626)
   Call: (229) [system] peek_char((0x560c892e10d0), _1233560)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1238280, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1239212, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1246562)
   Call: (230) [system] peek_char((0x560c892e10d0), _1247496)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1246562=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1232626=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (228) [system] _1218690=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (227) [system] _1204754=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (226) [system] _1190818=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (225) [system] _1176882=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (224) [system] _1162946=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (223) [system] _1149010=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (222) [system] _1135074=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _1121138=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _1107202=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1071692)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1284720)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1285672, _1285674), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1284720), _1285654, fail)), '$restore_trace'(_1285672, _1285674))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1285672, _1285674))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1284720), _1285654, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1284720)
   Fail: (221) [system] atomic(_1284720)
   Call: (221) [system] atom_chars(_1284720, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _1071692='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1299670)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1301528)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1311122)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1313826)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1330760)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1336330)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1338188)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1354198)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1336330)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1359768)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1375778)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1381348)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1383206)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1399216)
   Exit: (221) [system] get_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1381348)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1416858)
   Call: (223) [system] peek_char((0x560c892e10d0), _1417792)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1422512, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1423444, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1430794)
   Call: (224) [system] peek_char((0x560c892e10d0), _1431728)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1436448, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1437380, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x560c892e10d0), 'L')
   Exit: (224) [system] get_char((0x560c892e10d0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1444730)
   Call: (225) [system] peek_char((0x560c892e10d0), _1445664)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1450384, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1451316, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1458666)
   Call: (226) [system] peek_char((0x560c892e10d0), _1459600)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1464320, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1465252, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1472602)
   Call: (227) [system] peek_char((0x560c892e10d0), _1473536)
   Exit: (227) [system] peek_char((0x560c892e10d0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1478256, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1479188, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x560c892e10d0), k)
   Exit: (227) [system] get_char((0x560c892e10d0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1486538)
   Call: (228) [system] peek_char((0x560c892e10d0), _1487472)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1486538=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1472602=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (226) [system] _1458666=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (225) [system] _1444730=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (224) [system] _1430794=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (223) [system] _1416858=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1381348)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1510726)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1511678, _1511680), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1510726), _1511660, fail)), '$restore_trace'(_1511678, _1511680))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1511678, _1511680))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1510726), _1511660, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1510726)
   Fail: (224) [system] atomic(_1510726)
   Call: (224) [system] atom_chars(_1510726, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _1381348='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1525676)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1527534)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1537128)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1539832)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1556766)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1562336)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1564194)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1580204)
   Exit: (222) [system] get_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1562336)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1597846)
   Call: (224) [system] peek_char((0x560c892e10d0), _1598780)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1597846=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1562336)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1608064)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1609016, _1609018), once(user:catch(read_from_chars(['C'], _1608064), _1608998, fail)), '$restore_trace'(_1609016, _1609018))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1609016, _1609018))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1608064), _1608998, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1608064)
   Fail: (225) [system] atomic(_1608064)
   Call: (225) [system] atom_chars(_1608064, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1562336='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1623014)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1624872)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1634466)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1637170)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1654104)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1659674)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1661532)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1677542)
   Exit: (223) [system] get_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1659674)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1695184)
   Call: (225) [system] peek_char((0x560c892e10d0), _1696118)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1700838, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1695184=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['D'], _1659674)
^  Call: (225) [user] classify_and_convert_charseq_(['D'], _1707274)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1708226, _1708228), once(user:catch(read_from_chars(['D'], _1707274), _1708208, fail)), '$restore_trace'(_1708226, _1708228))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1708226, _1708228))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1707274), _1708208, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1707274)
   Fail: (226) [system] atomic(_1707274)
   Call: (226) [system] atom_chars(_1707274, ['D'])
   Exit: (226) [system] atom_chars('D', ['D'])
^  Exit: (225) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (225) [system] integer('D')
   Fail: (225) [system] integer('D')
   Call: (225) [system] _1659674='D'
   Exit: (225) [system] 'D'='D'
^  Exit: (224) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1722224)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1724082)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1740092)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1743882)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1722224=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1623014=['D']
   Exit: (222) [system] ['D']=['D']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (221) [system] _1525676=['C', 'D']
   Exit: (221) [system] ['C', 'D']=['C', 'D']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (220) [system] _1336330=['OrLink', 'C', 'D']
   Exit: (220) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1757764)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1759622)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1769216)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1771920)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1788854)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'E')
   Call: (219) [system] 'E'=')'
   Fail: (219) [system] 'E'=')'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1794424)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1796282)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1812292)
   Exit: (220) [system] get_char((0x560c892e10d0), 'E')
   Call: (220) [system] 'E'='('
   Fail: (220) [system] 'E'='('
   Call: (220) [system] 'E'='['
   Fail: (220) [system] 'E'='['
   Call: (220) [system] 'E'='{'
   Fail: (220) [system] 'E'='{'
   Call: (220) [system] 'E'='"'
   Fail: (220) [system] 'E'='"'
   Call: (220) [system] 'E'=!
   Fail: (220) [system] 'E'=!
   Call: (220) [system] 'E'='\''
   Fail: (220) [system] 'E'='\''
   Call: (220) [system] 'E'='`'
   Fail: (220) [system] 'E'='`'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1794424)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1829934)
   Call: (222) [system] peek_char((0x560c892e10d0), _1830868)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1835588, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1829934=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['E'], _1794424)
^  Call: (222) [user] classify_and_convert_charseq_(['E'], _1842024)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1842976, _1842978), once(user:catch(read_from_chars(['E'], _1842024), _1842958, fail)), '$restore_trace'(_1842976, _1842978))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1842976, _1842978))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1842024), _1842958, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1842024)
   Fail: (223) [system] atomic(_1842024)
   Call: (223) [system] atom_chars(_1842024, ['E'])
   Exit: (223) [system] atom_chars('E', ['E'])
^  Exit: (222) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (222) [system] integer('E')
   Fail: (222) [system] integer('E')
   Call: (222) [system] _1794424='E'
   Exit: (222) [system] 'E'='E'
^  Exit: (221) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1856974)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1858832)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1874842)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1878632)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1856974=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _1757764=['E']
   Exit: (219) [system] ['E']=['E']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (218) [system] _1299670=[['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (217) [system] _1026674=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1892514)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1894372)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1910382)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1914172)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1892514=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _990014=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (214) [system] _892676=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _703330=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1928054)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1929912)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1945922)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1949712)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1928054=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _666670=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (210) [system] _5194=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _5186=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1963594)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1965452)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1981462)
   Exit: (208) [system] peek_char((0x560c892e10d0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x560c892e10d0), _1985252)
   Exit: (208) [system] get_char((0x560c892e10d0), ')')
   Call: (208) [system] _1963594=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [])
   Call: (207) [system] _5182=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (206) [system] _5140=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (205) [system] _5132=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (205) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (204) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (203) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (203) [user] read_list(')', (0x560c892e10d0), _1999134)
^  Call: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _2000992)
   Exit: (205) [system] peek_char((0x560c892e10d0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x560c892e10d0), _2012442)
   Exit: (205) [system] get_char((0x560c892e10d0), '\n')
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2015146)
   Exit: (206) [system] peek_char((0x560c892e10d0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x560c892e10d0), _2024740)
   Exit: (206) [system] get_char((0x560c892e10d0), ' ')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2027444)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
^  Exit: (204) [user] skip_spaces((0x560c892e10d0))
   Call: (204) [system] peek_char((0x560c892e10d0), _2045302)
   Exit: (204) [system] peek_char((0x560c892e10d0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x560c892e10d0), _2050872)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2052730)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] get_char((0x560c892e10d0), _2068740)
   Exit: (205) [system] get_char((0x560c892e10d0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _2050872)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _2074310)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _2090320)
   Exit: (206) [system] peek_char((0x560c892e10d0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _2095890)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _6176)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _22186)
   Exit: (207) [system] get_char((0x560c892e10d0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x560c892e10d0), :, _5306)
^  Call: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), _39828)
   Call: (209) [system] peek_char((0x560c892e10d0), _40762)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _39828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _5306)
^  Call: (209) [user] classify_and_convert_charseq_([:], _50046)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_50998, _51000), once(user:catch(read_from_chars([:], _50046), _50980, fail)), '$restore_trace'(_50998, _51000))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_50998, _51000))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _50980, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _5306=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _63126)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _64984)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _74578)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _77282)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _94216)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _99786)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _101644)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _117654)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _99786)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _123224)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _139234)
   Exit: (209) [system] peek_char((0x560c892e10d0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _144804)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _146662)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _162672)
   Exit: (210) [system] get_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', _144804)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _180314)
   Call: (212) [system] peek_char((0x560c892e10d0), _181248)
   Exit: (212) [system] peek_char((0x560c892e10d0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_185968, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_186900, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x560c892e10d0), i)
   Exit: (212) [system] get_char((0x560c892e10d0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _194250)
   Call: (213) [system] peek_char((0x560c892e10d0), _195184)
   Exit: (213) [system] peek_char((0x560c892e10d0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_199904, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_200836, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x560c892e10d0), s)
   Exit: (213) [system] get_char((0x560c892e10d0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _208186)
   Call: (214) [system] peek_char((0x560c892e10d0), _209120)
   Exit: (214) [system] peek_char((0x560c892e10d0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_213840, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_214772, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x560c892e10d0), j)
   Exit: (214) [system] get_char((0x560c892e10d0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _222122)
   Call: (215) [system] peek_char((0x560c892e10d0), _223056)
   Exit: (215) [system] peek_char((0x560c892e10d0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_227776, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_228708, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x560c892e10d0), u)
   Exit: (215) [system] get_char((0x560c892e10d0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _236058)
   Call: (216) [system] peek_char((0x560c892e10d0), _236992)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_241712, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_242644, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _249994)
   Call: (217) [system] peek_char((0x560c892e10d0), _250928)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_255648, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_256580, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _263930)
   Call: (218) [system] peek_char((0x560c892e10d0), _264864)
   Exit: (218) [system] peek_char((0x560c892e10d0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_269584, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_270516, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x560c892e10d0), t)
   Exit: (218) [system] get_char((0x560c892e10d0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _277866)
   Call: (219) [system] peek_char((0x560c892e10d0), _278800)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_283520, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_284452, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _291802)
   Call: (220) [system] peek_char((0x560c892e10d0), _292736)
   Exit: (220) [system] peek_char((0x560c892e10d0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_297456, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_298388, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x560c892e10d0), o)
   Exit: (220) [system] get_char((0x560c892e10d0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _305738)
   Call: (221) [system] peek_char((0x560c892e10d0), _306672)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_311392, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_312324, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _319674)
   Call: (222) [system] peek_char((0x560c892e10d0), _320608)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_325328, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_326260, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x560c892e10d0), 'I')
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _333610)
   Call: (223) [system] peek_char((0x560c892e10d0), _334544)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_339264, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_340196, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _347546)
   Call: (224) [system] peek_char((0x560c892e10d0), _348480)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_353200, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_354132, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _361482)
   Call: (225) [system] peek_char((0x560c892e10d0), _362416)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_367136, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_368068, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _375418)
   Call: (226) [system] peek_char((0x560c892e10d0), _376352)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_381072, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_382004, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _389354)
   Call: (227) [system] peek_char((0x560c892e10d0), _390288)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_395008, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_395940, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _403290)
   Call: (228) [system] peek_char((0x560c892e10d0), _404224)
   Exit: (228) [system] peek_char((0x560c892e10d0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_408944, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_409876, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x560c892e10d0), u)
   Exit: (228) [system] get_char((0x560c892e10d0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _417226)
   Call: (229) [system] peek_char((0x560c892e10d0), _418160)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_422880, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_423812, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _431162)
   Call: (230) [system] peek_char((0x560c892e10d0), _432096)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_436816, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_437748, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _445098)
   Call: (231) [system] peek_char((0x560c892e10d0), _446032)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_450752, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_451684, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _459034)
   Call: (232) [system] peek_char((0x560c892e10d0), _459968)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_464688, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_465620, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _472970)
   Call: (233) [system] peek_char((0x560c892e10d0), _473904)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_478624, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_479556, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _486906)
   Call: (234) [system] peek_char((0x560c892e10d0), _487840)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _486906=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _472970=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _459034=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _445098=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _431162=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _417226=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (228) [system] _403290=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (227) [system] _389354=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (226) [system] _375418=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _361482=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _347546=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _333610=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _319674=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _305738=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _291802=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _277866=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _263930=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _249994=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _236058=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _222122=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _208186=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _194250=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _180314=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _144804)
^  Call: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_559544, _559546), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592), _559526, fail)), '$restore_trace'(_559544, _559546))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_559544, _559546))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592), _559526, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_558592)
   Fail: (213) [system] atomic(_558592)
   Call: (213) [system] atom_chars(_558592, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (212) [system] integer('DisjunctionIntroduction')
   Fail: (212) [system] integer('DisjunctionIntroduction')
   Call: (212) [system] _144804='DisjunctionIntroduction'
   Exit: (212) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _573542)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _575400)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _584994)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _587698)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _604632)
   Exit: (210) [system] peek_char((0x560c892e10d0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _610202)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _612060)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _628070)
   Exit: (211) [system] get_char((0x560c892e10d0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), a, _610202)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _645712)
   Call: (213) [system] peek_char((0x560c892e10d0), _646646)
   Exit: (213) [system] peek_char((0x560c892e10d0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_651366, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_652298, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x560c892e10d0), b)
   Exit: (213) [system] get_char((0x560c892e10d0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _659648)
   Call: (214) [system] peek_char((0x560c892e10d0), _660582)
   Exit: (214) [system] peek_char((0x560c892e10d0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_665302, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_666234, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x560c892e10d0), c)
   Exit: (214) [system] get_char((0x560c892e10d0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _673584)
   Call: (215) [system] peek_char((0x560c892e10d0), _674518)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _673584=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (214) [system] _659648=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (213) [system] _645712=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq([a, b, c], _610202)
^  Call: (213) [user] classify_and_convert_charseq_([a, b, c], _689390)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_690342, _690344), once(user:catch(read_from_chars([a, b, c], _689390), _690324, fail)), '$restore_trace'(_690342, _690344))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_690342, _690344))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _690324, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (213) [system] integer(abc)
   Fail: (213) [system] integer(abc)
   Call: (213) [system] _610202=abc
   Exit: (213) [system] abc=abc
^  Exit: (212) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _702470)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _704328)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _713922)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _716626)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _733560)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _739130)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _740988)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _756998)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _739130)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _762568)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _778578)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _784148)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _786006)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _802016)
   Exit: (214) [system] get_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', _784148)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _819658)
   Call: (216) [system] peek_char((0x560c892e10d0), _820592)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_825312, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_826244, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _833594)
   Call: (217) [system] peek_char((0x560c892e10d0), _834528)
   Exit: (217) [system] peek_char((0x560c892e10d0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_839248, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_840180, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x560c892e10d0), s)
   Exit: (217) [system] get_char((0x560c892e10d0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _847530)
   Call: (218) [system] peek_char((0x560c892e10d0), _848464)
   Exit: (218) [system] peek_char((0x560c892e10d0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_853184, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_854116, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x560c892e10d0), j)
   Exit: (218) [system] get_char((0x560c892e10d0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _861466)
   Call: (219) [system] peek_char((0x560c892e10d0), _862400)
   Exit: (219) [system] peek_char((0x560c892e10d0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_867120, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_868052, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x560c892e10d0), u)
   Exit: (219) [system] get_char((0x560c892e10d0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _875402)
   Call: (220) [system] peek_char((0x560c892e10d0), _876336)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_881056, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_881988, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _889338)
   Call: (221) [system] peek_char((0x560c892e10d0), _890272)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_894992, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_895924, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _903274)
   Call: (222) [system] peek_char((0x560c892e10d0), _904208)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_908928, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_909860, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _917210)
   Call: (223) [system] peek_char((0x560c892e10d0), _918144)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_922864, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_923796, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _931146)
   Call: (224) [system] peek_char((0x560c892e10d0), _932080)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_936800, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_937732, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _945082)
   Call: (225) [system] peek_char((0x560c892e10d0), _946016)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_950736, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_951668, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _959018)
   Call: (226) [system] peek_char((0x560c892e10d0), _959952)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_964672, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_965604, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x560c892e10d0), 'I')
   Exit: (226) [system] get_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _972954)
   Call: (227) [system] peek_char((0x560c892e10d0), _973888)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_978608, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_979540, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _986890)
   Call: (228) [system] peek_char((0x560c892e10d0), _987824)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_992544, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_993476, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1000826)
   Call: (229) [system] peek_char((0x560c892e10d0), _1001760)
   Exit: (229) [system] peek_char((0x560c892e10d0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1006480, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1007412, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x560c892e10d0), r)
   Exit: (229) [system] get_char((0x560c892e10d0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014762)
   Call: (230) [system] peek_char((0x560c892e10d0), _1015696)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1020416, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1021348, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1028698)
   Call: (231) [system] peek_char((0x560c892e10d0), _1029632)
   Exit: (231) [system] peek_char((0x560c892e10d0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1034352, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1035284, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x560c892e10d0), d)
   Exit: (231) [system] get_char((0x560c892e10d0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1042634)
   Call: (232) [system] peek_char((0x560c892e10d0), _1043568)
   Exit: (232) [system] peek_char((0x560c892e10d0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1048288, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1049220, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x560c892e10d0), u)
   Exit: (232) [system] get_char((0x560c892e10d0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1056570)
   Call: (233) [system] peek_char((0x560c892e10d0), _1057504)
   Exit: (233) [system] peek_char((0x560c892e10d0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1062224, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1063156, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x560c892e10d0), c)
   Exit: (233) [system] get_char((0x560c892e10d0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1070506)
   Call: (234) [system] peek_char((0x560c892e10d0), _1071440)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1076160, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1077092, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1084442)
   Call: (235) [system] peek_char((0x560c892e10d0), _1085376)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1090096, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1091028, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1098378)
   Call: (236) [system] peek_char((0x560c892e10d0), _1099312)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1104032, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1104964, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1112314)
   Call: (237) [system] peek_char((0x560c892e10d0), _1113248)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1117968, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1118900, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126250)
   Call: (238) [system] peek_char((0x560c892e10d0), _1127184)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1126250=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _1112314=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (236) [system] _1098378=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (235) [system] _1084442=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (234) [system] _1070506=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (233) [system] _1056570=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (232) [system] _1042634=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (231) [system] _1028698=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (230) [system] _1014762=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1000826=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _986890=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _972954=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _959018=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _945082=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _931146=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _917210=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _903274=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _889338=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _875402=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _861466=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _847530=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _833594=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _819658=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _784148)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1198888, _1198890), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936), _1198870, fail)), '$restore_trace'(_1198888, _1198890))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1198888, _1198890))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936), _1198870, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1197936)
   Fail: (217) [system] atomic(_1197936)
   Call: (217) [system] atom_chars(_1197936, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _784148='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1212886)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1214744)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1224338)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1227042)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1243976)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1249546)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1251404)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1267414)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), a, _1249546)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1285056)
   Call: (217) [system] peek_char((0x560c892e10d0), _1285990)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1285056=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _1249546)
^  Call: (217) [user] classify_and_convert_charseq_([a], _1295274)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1296226, _1296228), once(user:catch(read_from_chars([a], _1295274), _1296208, fail)), '$restore_trace'(_1296226, _1296228))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1296226, _1296228))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1296208, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _1249546=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1308354)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1310212)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1319806)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1322510)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1339444)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1345014)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1346872)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1362882)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), a, _1345014)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1380524)
   Call: (218) [system] peek_char((0x560c892e10d0), _1381458)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1386178, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1380524=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _1345014)
^  Call: (218) [user] classify_and_convert_charseq_([a], _1392614)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1393566, _1393568), once(user:catch(read_from_chars([a], _1392614), _1393548, fail)), '$restore_trace'(_1393566, _1393568))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1393566, _1393568))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1393548, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _1345014=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1405694)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1407552)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1423562)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1427352)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1405694=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _1308354=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (214) [system] _1212886=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (213) [system] _739130=['DisjunctionIntroduction', a, a]
   Exit: (213) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1441234)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1443092)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1459102)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _1462892)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _1441234=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _702470=[['DisjunctionIntroduction', a, a]]
   Exit: (211) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a]])
   Call: (210) [system] _573542=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (210) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (209) [system] _99786=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1476774)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1478632)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1488226)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1490930)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1507864)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1513434)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1515292)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1531302)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1513434)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1536872)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1552882)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1558452)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1560310)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1576320)
   Exit: (211) [system] get_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1558452)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1593962)
   Call: (213) [system] peek_char((0x560c892e10d0), _1594896)
   Exit: (213) [system] peek_char((0x560c892e10d0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1599616, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1600548, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x560c892e10d0), r)
   Exit: (213) [system] get_char((0x560c892e10d0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1607898)
   Call: (214) [system] peek_char((0x560c892e10d0), _1608832)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1613552, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1614484, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x560c892e10d0), 'L')
   Exit: (214) [system] get_char((0x560c892e10d0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1621834)
   Call: (215) [system] peek_char((0x560c892e10d0), _1622768)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1627488, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1628420, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1635770)
   Call: (216) [system] peek_char((0x560c892e10d0), _1636704)
   Exit: (216) [system] peek_char((0x560c892e10d0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1641424, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1642356, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x560c892e10d0), n)
   Exit: (216) [system] get_char((0x560c892e10d0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1649706)
   Call: (217) [system] peek_char((0x560c892e10d0), _1650640)
   Exit: (217) [system] peek_char((0x560c892e10d0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1655360, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1656292, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x560c892e10d0), k)
   Exit: (217) [system] get_char((0x560c892e10d0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1663642)
   Call: (218) [system] peek_char((0x560c892e10d0), _1664576)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1663642=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _1649706=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (216) [system] _1635770=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (215) [system] _1621834=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (214) [system] _1607898=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (213) [system] _1593962=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1558452)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1687830)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1688782, _1688784), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1687830), _1688764, fail)), '$restore_trace'(_1688782, _1688784))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1688782, _1688784))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1687830), _1688764, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1687830)
   Fail: (214) [system] atomic(_1687830)
   Call: (214) [system] atom_chars(_1687830, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1558452='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1702780)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1704638)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1714232)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1716936)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1733870)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1739440)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1741298)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1757308)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1739440)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1762878)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1778888)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1784458)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1786316)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1802326)
   Exit: (214) [system] get_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1784458)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1819968)
   Call: (216) [system] peek_char((0x560c892e10d0), _1820902)
   Exit: (216) [system] peek_char((0x560c892e10d0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_1825622, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_1826554, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x560c892e10d0), m)
   Exit: (216) [system] get_char((0x560c892e10d0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1833904)
   Call: (217) [system] peek_char((0x560c892e10d0), _1834838)
   Exit: (217) [system] peek_char((0x560c892e10d0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_1839558, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_1840490, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x560c892e10d0), p)
   Exit: (217) [system] get_char((0x560c892e10d0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1847840)
   Call: (218) [system] peek_char((0x560c892e10d0), _1848774)
   Exit: (218) [system] peek_char((0x560c892e10d0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_1853494, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_1854426, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x560c892e10d0), l)
   Exit: (218) [system] get_char((0x560c892e10d0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1861776)
   Call: (219) [system] peek_char((0x560c892e10d0), _1862710)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1867430, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1868362, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1875712)
   Call: (220) [system] peek_char((0x560c892e10d0), _1876646)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1881366, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1882298, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1889648)
   Call: (221) [system] peek_char((0x560c892e10d0), _1890582)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_1895302, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_1896234, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x560c892e10d0), a)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1903584)
   Call: (222) [system] peek_char((0x560c892e10d0), _1904518)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1909238, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1910170, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1917520)
   Call: (223) [system] peek_char((0x560c892e10d0), _1918454)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1923174, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1924106, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1931456)
   Call: (224) [system] peek_char((0x560c892e10d0), _1932390)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1937110, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1938042, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1945392)
   Call: (225) [system] peek_char((0x560c892e10d0), _1946326)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1951046, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1951978, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1959328)
   Call: (226) [system] peek_char((0x560c892e10d0), _1960262)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1959328=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _1945392=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (224) [system] _1931456=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (223) [system] _1917520=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (222) [system] _1903584=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (221) [system] _1889648=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (220) [system] _1875712=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (219) [system] _1861776=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (218) [system] _1847840=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _1833904=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _1819968=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1784458)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1997486)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1998438, _1998440), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1997486), _1998420, fail)), '$restore_trace'(_1998438, _1998440))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1998438, _1998440))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1997486), _1998420, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1997486)
   Fail: (217) [system] atomic(_1997486)
   Call: (217) [system] atom_chars(_1997486, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _1784458='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _2012436)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2014294)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _2023888)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2026592)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _2043526)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _2049096)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2050954)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _2066964)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _2049096)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2072534)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2088544)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2094114)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2095972)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _20416)
   Exit: (217) [system] get_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', _5384)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _38058)
   Call: (219) [system] peek_char((0x560c892e10d0), _38992)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_43712, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_44644, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _51994)
   Call: (220) [system] peek_char((0x560c892e10d0), _52928)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_57648, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_58580, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _65930)
   Call: (221) [system] peek_char((0x560c892e10d0), _66864)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_71584, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_72516, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x560c892e10d0), 'L')
   Exit: (221) [system] get_char((0x560c892e10d0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _79866)
   Call: (222) [system] peek_char((0x560c892e10d0), _80800)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_85520, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_86452, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _93802)
   Call: (223) [system] peek_char((0x560c892e10d0), _94736)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_99456, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_100388, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _107738)
   Call: (224) [system] peek_char((0x560c892e10d0), _108672)
   Exit: (224) [system] peek_char((0x560c892e10d0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_113392, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_114324, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x560c892e10d0), k)
   Exit: (224) [system] get_char((0x560c892e10d0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _121674)
   Call: (225) [system] peek_char((0x560c892e10d0), _122608)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _121674=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _107738=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (223) [system] _93802=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (222) [system] _79866=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (221) [system] _65930=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (220) [system] _51994=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (219) [system] _38058=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5384)
^  Call: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _148656)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_149608, _149610), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _148656), _149590, fail)), '$restore_trace'(_149608, _149610))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_149608, _149610))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _148656), _149590, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_148656)
   Fail: (220) [system] atomic(_148656)
   Call: (220) [system] atom_chars(_148656, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (219) [system] integer('AndLink')
   Fail: (219) [system] integer('AndLink')
   Call: (219) [system] _5384='AndLink'
   Exit: (219) [system] 'AndLink'='AndLink'
^  Exit: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _163606)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _165464)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _175058)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _177762)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _194696)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _200266)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _202124)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _218134)
   Exit: (218) [system] get_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', _200266)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _235776)
   Call: (220) [system] peek_char((0x560c892e10d0), _236710)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _235776=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['A'], _200266)
^  Call: (220) [user] classify_and_convert_charseq_(['A'], _245994)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_246946, _246948), once(user:catch(read_from_chars(['A'], _245994), _246928, fail)), '$restore_trace'(_246946, _246948))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_246946, _246948))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _245994), _246928, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_245994)
   Fail: (221) [system] atomic(_245994)
   Call: (221) [system] atom_chars(_245994, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (220) [system] integer('A')
   Fail: (220) [system] integer('A')
   Call: (220) [system] _200266='A'
   Exit: (220) [system] 'A'='A'
^  Exit: (219) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _260944)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _262802)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _272396)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _275100)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _292034)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _297604)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _299462)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _315472)
   Exit: (219) [system] get_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', _297604)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _333114)
   Call: (221) [system] peek_char((0x560c892e10d0), _334048)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_338768, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _333114=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _297604)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _345204)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_346156, _346158), once(user:catch(read_from_chars(['B'], _345204), _346138, fail)), '$restore_trace'(_346156, _346158))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_346156, _346158))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _345204), _346138, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_345204)
   Fail: (222) [system] atomic(_345204)
   Call: (222) [system] atom_chars(_345204, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _297604='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _360154)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _362012)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _378022)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _381812)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _360154=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _260944=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (217) [system] _163606=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (216) [system] _5378=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _395694)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _397552)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _407146)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _409850)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _426784)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _432354)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _434212)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _450222)
   Exit: (216) [system] get_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'C', _432354)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _467864)
   Call: (218) [system] peek_char((0x560c892e10d0), _468798)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_473518, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _467864=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _432354)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _479954)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_480906, _480908), once(user:catch(read_from_chars(['C'], _479954), _480888, fail)), '$restore_trace'(_480906, _480908))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_480906, _480908))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _479954), _480888, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_479954)
   Fail: (219) [system] atomic(_479954)
   Call: (219) [system] atom_chars(_479954, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _432354='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _494904)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _496762)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _512772)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _516562)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _494904=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _395694=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (214) [system] _5374=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _5366=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _530444)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _532302)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _541896)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _544600)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _561534)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _567104)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _568962)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _584972)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _567104)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _590542)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _606552)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _612122)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _613980)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _629990)
   Exit: (215) [system] get_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'O', _612122)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _647632)
   Call: (217) [system] peek_char((0x560c892e10d0), _648566)
   Exit: (217) [system] peek_char((0x560c892e10d0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_653286, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_654218, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x560c892e10d0), r)
   Exit: (217) [system] get_char((0x560c892e10d0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _661568)
   Call: (218) [system] peek_char((0x560c892e10d0), _662502)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_667222, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_668154, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x560c892e10d0), 'L')
   Exit: (218) [system] get_char((0x560c892e10d0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _675504)
   Call: (219) [system] peek_char((0x560c892e10d0), _676438)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_681158, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_682090, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _689440)
   Call: (220) [system] peek_char((0x560c892e10d0), _690374)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_695094, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_696026, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _703376)
   Call: (221) [system] peek_char((0x560c892e10d0), _704310)
   Exit: (221) [system] peek_char((0x560c892e10d0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_709030, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_709962, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x560c892e10d0), k)
   Exit: (221) [system] get_char((0x560c892e10d0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _717312)
   Call: (222) [system] peek_char((0x560c892e10d0), _718246)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _717312=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _703376=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (220) [system] _689440=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (219) [system] _675504=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (218) [system] _661568=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (217) [system] _647632=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _612122)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _741500)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_742452, _742454), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741500), _742434, fail)), '$restore_trace'(_742452, _742454))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_742452, _742454))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741500), _742434, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_741500)
   Fail: (218) [system] atomic(_741500)
   Call: (218) [system] atom_chars(_741500, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _612122='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _756450)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _758308)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _767902)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _770606)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _787540)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _793110)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _794968)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _810978)
   Exit: (216) [system] get_char((0x560c892e10d0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', _793110)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _828620)
   Call: (218) [system] peek_char((0x560c892e10d0), _829554)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _828620=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _793110)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _838838)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_839790, _839792), once(user:catch(read_from_chars(['B'], _838838), _839772, fail)), '$restore_trace'(_839790, _839792))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_839790, _839792))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _838838), _839772, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_838838)
   Fail: (219) [system] atomic(_838838)
   Call: (219) [system] atom_chars(_838838, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _793110='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _853788)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _855646)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _865240)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _867944)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _884878)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _890448)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _892306)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _908316)
   Exit: (217) [system] get_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', _890448)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _925958)
   Call: (219) [system] peek_char((0x560c892e10d0), _926892)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_931612, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _925958=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _890448)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _938048)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_939000, _939002), once(user:catch(read_from_chars(['A'], _938048), _938982, fail)), '$restore_trace'(_939000, _939002))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_939000, _939002))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _938048), _938982, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_938048)
   Fail: (220) [system] atomic(_938048)
   Call: (220) [system] atom_chars(_938048, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _890448='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _952998)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _954856)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _970866)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _974656)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _952998=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _853788=['A']
   Exit: (216) [system] ['A']=['A']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (215) [system] _756450=['B', 'A']
   Exit: (215) [system] ['B', 'A']=['B', 'A']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['B', 'A'])
   Call: (214) [system] _567104=['OrLink', 'B', 'A']
   Exit: (214) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'B', 'A'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'B', 'A'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _988538)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _990396)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1006406)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _1010196)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _988538=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _530444=[['OrLink', 'B', 'A']]
   Exit: (212) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'B', 'A']])
   Call: (211) [system] _5362=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
   Call: (210) [system] _5354=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1024078)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1025936)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1041946)
   Exit: (209) [system] peek_char((0x560c892e10d0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x560c892e10d0), _1045736)
   Exit: (209) [system] get_char((0x560c892e10d0), ')')
   Call: (209) [system] _1024078=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [])
   Call: (208) [system] _5350=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (207) [system] _5308=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (206) [system] _5300=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (206) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (205) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Exit: (204) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Call: (204) [user] read_list(')', (0x560c892e10d0), _1059618)
^  Call: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1061476)
   Exit: (206) [system] peek_char((0x560c892e10d0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x560c892e10d0), _1072926)
   Exit: (206) [system] get_char((0x560c892e10d0), '\n')
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1075630)
   Exit: (207) [system] peek_char((0x560c892e10d0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x560c892e10d0), _1085224)
   Exit: (207) [system] get_char((0x560c892e10d0), ' ')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1087928)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
^  Exit: (205) [user] skip_spaces((0x560c892e10d0))
   Call: (205) [system] peek_char((0x560c892e10d0), _1105786)
   Exit: (205) [system] peek_char((0x560c892e10d0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x560c892e10d0), _1111356)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1113214)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] get_char((0x560c892e10d0), _1129224)
   Exit: (206) [system] get_char((0x560c892e10d0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1111356)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1134794)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1150804)
   Exit: (207) [system] peek_char((0x560c892e10d0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1156374)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1158232)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1174242)
   Exit: (208) [system] get_char((0x560c892e10d0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x560c892e10d0), :, _1156374)
^  Call: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), _1191884)
   Call: (210) [system] peek_char((0x560c892e10d0), _1192818)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1191884=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _1156374)
^  Call: (210) [user] classify_and_convert_charseq_([:], _1202102)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1203054, _1203056), once(user:catch(read_from_chars([:], _1202102), _1203036, fail)), '$restore_trace'(_1203054, _1203056))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1203054, _1203056))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1203036, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _1156374=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1215182)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1217040)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1226634)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1229338)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1246272)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1251842)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1253700)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1269710)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1251842)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1275280)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1291290)
   Exit: (210) [system] peek_char((0x560c892e10d0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1296860)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1298718)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1314728)
   Exit: (211) [system] get_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1296860)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _1332370)
   Call: (213) [system] peek_char((0x560c892e10d0), _1333304)
   Exit: (213) [system] peek_char((0x560c892e10d0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1338024, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1338956, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x560c892e10d0), i)
   Exit: (213) [system] get_char((0x560c892e10d0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1346306)
   Call: (214) [system] peek_char((0x560c892e10d0), _1347240)
   Exit: (214) [system] peek_char((0x560c892e10d0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1351960, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1352892, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x560c892e10d0), s)
   Exit: (214) [system] get_char((0x560c892e10d0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1360242)
   Call: (215) [system] peek_char((0x560c892e10d0), _1361176)
   Exit: (215) [system] peek_char((0x560c892e10d0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1365896, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1366828, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x560c892e10d0), j)
   Exit: (215) [system] get_char((0x560c892e10d0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1374178)
   Call: (216) [system] peek_char((0x560c892e10d0), _1375112)
   Exit: (216) [system] peek_char((0x560c892e10d0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1379832, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1380764, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x560c892e10d0), u)
   Exit: (216) [system] get_char((0x560c892e10d0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1388114)
   Call: (217) [system] peek_char((0x560c892e10d0), _1389048)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1393768, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1394700, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1402050)
   Call: (218) [system] peek_char((0x560c892e10d0), _1402984)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1407704, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1408636, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1415986)
   Call: (219) [system] peek_char((0x560c892e10d0), _1416920)
   Exit: (219) [system] peek_char((0x560c892e10d0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1421640, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1422572, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x560c892e10d0), t)
   Exit: (219) [system] get_char((0x560c892e10d0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1429922)
   Call: (220) [system] peek_char((0x560c892e10d0), _1430856)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1435576, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1436508, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1443858)
   Call: (221) [system] peek_char((0x560c892e10d0), _1444792)
   Exit: (221) [system] peek_char((0x560c892e10d0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1449512, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1450444, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x560c892e10d0), o)
   Exit: (221) [system] get_char((0x560c892e10d0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1457794)
   Call: (222) [system] peek_char((0x560c892e10d0), _1458728)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1463448, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1464380, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1471730)
   Call: (223) [system] peek_char((0x560c892e10d0), _1472664)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1477384, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1478316, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x560c892e10d0), 'I')
   Exit: (223) [system] get_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1485666)
   Call: (224) [system] peek_char((0x560c892e10d0), _1486600)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1491320, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1492252, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499602)
   Call: (225) [system] peek_char((0x560c892e10d0), _1500536)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1505256, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1506188, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1513538)
   Call: (226) [system] peek_char((0x560c892e10d0), _1514472)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1519192, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1520124, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1527474)
   Call: (227) [system] peek_char((0x560c892e10d0), _1528408)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1533128, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1534060, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1541410)
   Call: (228) [system] peek_char((0x560c892e10d0), _1542344)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1547064, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1547996, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1555346)
   Call: (229) [system] peek_char((0x560c892e10d0), _1556280)
   Exit: (229) [system] peek_char((0x560c892e10d0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1561000, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1561932, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x560c892e10d0), u)
   Exit: (229) [system] get_char((0x560c892e10d0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1569282)
   Call: (230) [system] peek_char((0x560c892e10d0), _1570216)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1574936, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1575868, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1583218)
   Call: (231) [system] peek_char((0x560c892e10d0), _1584152)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1588872, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1589804, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1597154)
   Call: (232) [system] peek_char((0x560c892e10d0), _1598088)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1602808, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1603740, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1611090)
   Call: (233) [system] peek_char((0x560c892e10d0), _1612024)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1616744, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1617676, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1625026)
   Call: (234) [system] peek_char((0x560c892e10d0), _1625960)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1630680, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1631612, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1638962)
   Call: (235) [system] peek_char((0x560c892e10d0), _1639896)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1638962=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1625026=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (233) [system] _1611090=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (232) [system] _1597154=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (231) [system] _1583218=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (230) [system] _1569282=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (229) [system] _1555346=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (228) [system] _1541410=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (227) [system] _1527474=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1513538=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1499602=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1485666=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1471730=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1457794=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1443858=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1429922=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1415986=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1402050=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1388114=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1374178=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1360242=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1346306=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1332370=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1296860)
^  Call: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1711600, _1711602), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648), _1711582, fail)), '$restore_trace'(_1711600, _1711602))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1711600, _1711602))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648), _1711582, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1710648)
   Fail: (214) [system] atomic(_1710648)
   Call: (214) [system] atom_chars(_1710648, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (213) [system] integer('DisjunctionIntroduction')
   Fail: (213) [system] integer('DisjunctionIntroduction')
   Call: (213) [system] _1296860='DisjunctionIntroduction'
   Exit: (213) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1725598)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1727456)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1737050)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1739754)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1756688)
   Exit: (211) [system] peek_char((0x560c892e10d0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1762258)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1764116)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1780126)
   Exit: (212) [system] get_char((0x560c892e10d0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), a, _1762258)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _1797768)
   Call: (214) [system] peek_char((0x560c892e10d0), _1798702)
   Exit: (214) [system] peek_char((0x560c892e10d0), b)
^  Call: (214) [user] is_delimiter(b)
   Call: (215) [system] char_type(b, space)
   Fail: (215) [system] char_type(b, space)
   Call: (215) [system] arg(_1803422, v('(', ')', end_of_file), b)
   Fail: (215) [system] arg(_1804354, v('(', ')', end_of_file), b)
^  Fail: (214) [user] is_delimiter(b)
   Call: (214) [system] ')'==b
   Fail: (214) [system] ')'==b
   Call: (214) [system] get_char((0x560c892e10d0), b)
   Exit: (214) [system] get_char((0x560c892e10d0), b)
   Call: (214) [system] b=(\)
   Fail: (214) [system] b=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1811704)
   Call: (215) [system] peek_char((0x560c892e10d0), _1812638)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1817358, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1818290, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x560c892e10d0), c)
   Exit: (215) [system] get_char((0x560c892e10d0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1825640)
   Call: (216) [system] peek_char((0x560c892e10d0), _1826574)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1825640=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (215) [system] _1811704=[c]
   Exit: (215) [system] [c]=[c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (214) [system] _1797768=[b, c]
   Exit: (214) [system] [b, c]=[b, c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (213) [user] classify_and_convert_charseq([a, b, c], _1762258)
^  Call: (214) [user] classify_and_convert_charseq_([a, b, c], _1841446)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1842398, _1842400), once(user:catch(read_from_chars([a, b, c], _1841446), _1842380, fail)), '$restore_trace'(_1842398, _1842400))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1842398, _1842400))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1842380, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (214) [system] integer(abc)
   Fail: (214) [system] integer(abc)
   Call: (214) [system] _1762258=abc
   Exit: (214) [system] abc=abc
^  Exit: (213) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1854526)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1856384)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1865978)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1868682)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1885616)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1891186)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1893044)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1909054)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1891186)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1914624)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1930634)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1936204)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1938062)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1954072)
   Exit: (215) [system] get_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1936204)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1971714)
   Call: (217) [system] peek_char((0x560c892e10d0), _1972648)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1977368, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1978300, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1985650)
   Call: (218) [system] peek_char((0x560c892e10d0), _1986584)
   Exit: (218) [system] peek_char((0x560c892e10d0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1991304, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_1992236, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x560c892e10d0), s)
   Exit: (218) [system] get_char((0x560c892e10d0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1999586)
   Call: (219) [system] peek_char((0x560c892e10d0), _2000520)
   Exit: (219) [system] peek_char((0x560c892e10d0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_2005240, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_2006172, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x560c892e10d0), j)
   Exit: (219) [system] get_char((0x560c892e10d0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2013522)
   Call: (220) [system] peek_char((0x560c892e10d0), _2014456)
   Exit: (220) [system] peek_char((0x560c892e10d0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_2019176, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_2020108, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x560c892e10d0), u)
   Exit: (220) [system] get_char((0x560c892e10d0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2027458)
   Call: (221) [system] peek_char((0x560c892e10d0), _2028392)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2033112, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2034044, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2041394)
   Call: (222) [system] peek_char((0x560c892e10d0), _2042328)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_2047048, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_2047980, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2055330)
   Call: (223) [system] peek_char((0x560c892e10d0), _2056264)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_2060984, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_2061916, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2069266)
   Call: (224) [system] peek_char((0x560c892e10d0), _2070200)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2074920, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2075852, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083202)
   Call: (225) [system] peek_char((0x560c892e10d0), _2084136)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_2088856, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_2089788, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _5860)
   Call: (226) [system] peek_char((0x560c892e10d0), _6794)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_11514, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_12446, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _19796)
   Call: (227) [system] peek_char((0x560c892e10d0), _20730)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_25450, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_26382, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x560c892e10d0), 'I')
   Exit: (227) [system] get_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _33732)
   Call: (228) [system] peek_char((0x560c892e10d0), _34666)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_39386, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_40318, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _47668)
   Call: (229) [system] peek_char((0x560c892e10d0), _48602)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_53322, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_54254, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _61604)
   Call: (230) [system] peek_char((0x560c892e10d0), _62538)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_67258, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_68190, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _75540)
   Call: (231) [system] peek_char((0x560c892e10d0), _76474)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_81194, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_82126, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _89476)
   Call: (232) [system] peek_char((0x560c892e10d0), _90410)
   Exit: (232) [system] peek_char((0x560c892e10d0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_95130, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_96062, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x560c892e10d0), d)
   Exit: (232) [system] get_char((0x560c892e10d0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _103412)
   Call: (233) [system] peek_char((0x560c892e10d0), _104346)
   Exit: (233) [system] peek_char((0x560c892e10d0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_109066, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_109998, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x560c892e10d0), u)
   Exit: (233) [system] get_char((0x560c892e10d0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _117348)
   Call: (234) [system] peek_char((0x560c892e10d0), _118282)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_123002, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_123934, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _131284)
   Call: (235) [system] peek_char((0x560c892e10d0), _132218)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_136938, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_137870, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _145220)
   Call: (236) [system] peek_char((0x560c892e10d0), _146154)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_150874, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_151806, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _159156)
   Call: (237) [system] peek_char((0x560c892e10d0), _160090)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_164810, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_165742, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _173092)
   Call: (238) [system] peek_char((0x560c892e10d0), _174026)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_178746, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_179678, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _187028)
   Call: (239) [system] peek_char((0x560c892e10d0), _187962)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _187028=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _173092=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (237) [system] _159156=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (236) [system] _145220=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (235) [system] _131284=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (234) [system] _117348=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (233) [system] _103412=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (232) [system] _89476=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (231) [system] _75540=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _61604=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _47668=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _33732=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _19796=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5860=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5504=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5500=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5496=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5492=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5488=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5484=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5480=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5476=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5472=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5468)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_259666, _259668), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714), _259648, fail)), '$restore_trace'(_259666, _259668))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_259666, _259668))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714), _259648, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_258714)
   Fail: (218) [system] atomic(_258714)
   Call: (218) [system] atom_chars(_258714, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _5468='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _273664)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _275522)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _285116)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _287820)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
   Call: (217) [system] c=(/)
   Fail: (217) [system] c=(/)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _304754)
   Exit: (215) [system] peek_char((0x560c892e10d0), c)
   Call: (215) [system] c=')'
   Fail: (215) [system] c=')'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _310324)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _312182)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
   Call: (217) [system] c=(/)
   Fail: (217) [system] c=(/)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _328192)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c='('
   Fail: (216) [system] c='('
   Call: (216) [system] c='['
   Fail: (216) [system] c='['
   Call: (216) [system] c='{'
   Fail: (216) [system] c='{'
   Call: (216) [system] c='"'
   Fail: (216) [system] c='"'
   Call: (216) [system] c=!
   Fail: (216) [system] c=!
   Call: (216) [system] c='\''
   Fail: (216) [system] c='\''
   Call: (216) [system] c='`'
   Fail: (216) [system] c='`'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), c, _310324)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _345834)
   Call: (218) [system] peek_char((0x560c892e10d0), _346768)
   Exit: (218) [system] peek_char((0x560c892e10d0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_351488, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_352420, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x560c892e10d0), d)
   Exit: (218) [system] get_char((0x560c892e10d0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _359770)
   Call: (219) [system] peek_char((0x560c892e10d0), _360704)
   Exit: (219) [system] peek_char((0x560c892e10d0), e)
^  Call: (219) [user] is_delimiter(e)
   Call: (220) [system] char_type(e, space)
   Fail: (220) [system] char_type(e, space)
   Call: (220) [system] arg(_365424, v('(', ')', end_of_file), e)
   Fail: (220) [system] arg(_366356, v('(', ')', end_of_file), e)
^  Fail: (219) [user] is_delimiter(e)
   Call: (219) [system] ')'==e
   Fail: (219) [system] ')'==e
   Call: (219) [system] get_char((0x560c892e10d0), e)
   Exit: (219) [system] get_char((0x560c892e10d0), e)
   Call: (219) [system] e=(\)
   Fail: (219) [system] e=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _373706)
   Call: (220) [system] peek_char((0x560c892e10d0), _374640)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _373706=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _359770=[e]
   Exit: (219) [system] [e]=[e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (218) [system] _345834=[d, e]
   Exit: (218) [system] [d, e]=[d, e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (217) [user] classify_and_convert_charseq([c, d, e], _310324)
^  Call: (218) [user] classify_and_convert_charseq_([c, d, e], _389512)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_390464, _390466), once(user:catch(read_from_chars([c, d, e], _389512), _390446, fail)), '$restore_trace'(_390464, _390466))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_390464, _390466))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _390446, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(cde)
   Exit: (219) [system] atomic(cde)
^  Exit: (218) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (218) [system] integer(cde)
   Fail: (218) [system] integer(cde)
   Call: (218) [system] _310324=cde
   Exit: (218) [system] cde=cde
^  Exit: (217) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _402592)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _404450)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _414044)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _416748)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _433682)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _439252)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _441110)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _457120)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), a, _439252)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _474762)
   Call: (219) [system] peek_char((0x560c892e10d0), _475696)
   Exit: (219) [system] peek_char((0x560c892e10d0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_480416, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_481348, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x560c892e10d0), b)
   Exit: (219) [system] get_char((0x560c892e10d0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _488698)
   Call: (220) [system] peek_char((0x560c892e10d0), _489632)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_494352, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_495284, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _502634)
   Call: (221) [system] peek_char((0x560c892e10d0), _503568)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_508288, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _502634=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _488698=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (219) [system] _474762=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _439252)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _520312)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_521264, _521266), once(user:catch(read_from_chars([a, b, c], _520312), _521246, fail)), '$restore_trace'(_521264, _521266))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_521264, _521266))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _521246, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _439252=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _533392)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _535250)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _551260)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _555050)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _533392=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _402592=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (215) [system] _273664=[cde, abc]
   Exit: (215) [system] [cde, abc]=[cde, abc]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [cde, abc])
   Call: (214) [system] _5462=['DisjunctionIntroduction', cde, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, abc])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _568932)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _570790)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _586800)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _590590)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _568932=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _5458=[['DisjunctionIntroduction', cde, abc]]
   Exit: (212) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, abc]])
   Call: (211) [system] _5452=[abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (211) [system] [abc, ['DisjunctionIntroduction', cde, abc]]=[abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', cde, abc]])
   Call: (210) [system] _5444=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (210) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _604472)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _606330)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _615924)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _618628)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _635562)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _641132)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _642990)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _659000)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _641132)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _664570)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _680580)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _686150)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _688008)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _704018)
   Exit: (212) [system] get_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', _686150)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _721660)
   Call: (214) [system] peek_char((0x560c892e10d0), _722594)
   Exit: (214) [system] peek_char((0x560c892e10d0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_727314, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_728246, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x560c892e10d0), r)
   Exit: (214) [system] get_char((0x560c892e10d0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _735596)
   Call: (215) [system] peek_char((0x560c892e10d0), _736530)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_741250, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_742182, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x560c892e10d0), 'L')
   Exit: (215) [system] get_char((0x560c892e10d0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _749532)
   Call: (216) [system] peek_char((0x560c892e10d0), _750466)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_755186, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_756118, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _763468)
   Call: (217) [system] peek_char((0x560c892e10d0), _764402)
   Exit: (217) [system] peek_char((0x560c892e10d0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_769122, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_770054, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x560c892e10d0), n)
   Exit: (217) [system] get_char((0x560c892e10d0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _777404)
   Call: (218) [system] peek_char((0x560c892e10d0), _778338)
   Exit: (218) [system] peek_char((0x560c892e10d0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_783058, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_783990, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x560c892e10d0), k)
   Exit: (218) [system] get_char((0x560c892e10d0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _791340)
   Call: (219) [system] peek_char((0x560c892e10d0), _792274)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _791340=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _777404=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (217) [system] _763468=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (216) [system] _749532=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (215) [system] _735596=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (214) [system] _721660=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _686150)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _815528)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_816480, _816482), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _815528), _816462, fail)), '$restore_trace'(_816480, _816482))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_816480, _816482))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _815528), _816462, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_815528)
   Fail: (215) [system] atomic(_815528)
   Call: (215) [system] atom_chars(_815528, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _686150='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _830478)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _832336)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _841930)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _844634)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _861568)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _867138)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _868996)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _885006)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _867138)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _890576)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _906586)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'I')
   Call: (214) [system] 'I'=')'
   Fail: (214) [system] 'I'=')'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _912156)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _914014)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _930024)
   Exit: (215) [system] get_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'='('
   Fail: (215) [system] 'I'='('
   Call: (215) [system] 'I'='['
   Fail: (215) [system] 'I'='['
   Call: (215) [system] 'I'='{'
   Fail: (215) [system] 'I'='{'
   Call: (215) [system] 'I'='"'
   Fail: (215) [system] 'I'='"'
   Call: (215) [system] 'I'=!
   Fail: (215) [system] 'I'=!
   Call: (215) [system] 'I'='\''
   Fail: (215) [system] 'I'='\''
   Call: (215) [system] 'I'='`'
   Fail: (215) [system] 'I'='`'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'I', _912156)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _947666)
   Call: (217) [system] peek_char((0x560c892e10d0), _948600)
   Exit: (217) [system] peek_char((0x560c892e10d0), m)
^  Call: (217) [user] is_delimiter(m)
   Call: (218) [system] char_type(m, space)
   Fail: (218) [system] char_type(m, space)
   Call: (218) [system] arg(_953320, v('(', ')', end_of_file), m)
   Fail: (218) [system] arg(_954252, v('(', ')', end_of_file), m)
^  Fail: (217) [user] is_delimiter(m)
   Call: (217) [system] ')'==m
   Fail: (217) [system] ')'==m
   Call: (217) [system] get_char((0x560c892e10d0), m)
   Exit: (217) [system] get_char((0x560c892e10d0), m)
   Call: (217) [system] m=(\)
   Fail: (217) [system] m=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _961602)
   Call: (218) [system] peek_char((0x560c892e10d0), _962536)
   Exit: (218) [system] peek_char((0x560c892e10d0), p)
^  Call: (218) [user] is_delimiter(p)
   Call: (219) [system] char_type(p, space)
   Fail: (219) [system] char_type(p, space)
   Call: (219) [system] arg(_967256, v('(', ')', end_of_file), p)
   Fail: (219) [system] arg(_968188, v('(', ')', end_of_file), p)
^  Fail: (218) [user] is_delimiter(p)
   Call: (218) [system] ')'==p
   Fail: (218) [system] ')'==p
   Call: (218) [system] get_char((0x560c892e10d0), p)
   Exit: (218) [system] get_char((0x560c892e10d0), p)
   Call: (218) [system] p=(\)
   Fail: (218) [system] p=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _975538)
   Call: (219) [system] peek_char((0x560c892e10d0), _976472)
   Exit: (219) [system] peek_char((0x560c892e10d0), l)
^  Call: (219) [user] is_delimiter(l)
   Call: (220) [system] char_type(l, space)
   Fail: (220) [system] char_type(l, space)
   Call: (220) [system] arg(_981192, v('(', ')', end_of_file), l)
   Fail: (220) [system] arg(_982124, v('(', ')', end_of_file), l)
^  Fail: (219) [user] is_delimiter(l)
   Call: (219) [system] ')'==l
   Fail: (219) [system] ')'==l
   Call: (219) [system] get_char((0x560c892e10d0), l)
   Exit: (219) [system] get_char((0x560c892e10d0), l)
   Call: (219) [system] l=(\)
   Fail: (219) [system] l=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _989474)
   Call: (220) [system] peek_char((0x560c892e10d0), _990408)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_995128, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_996060, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1003410)
   Call: (221) [system] peek_char((0x560c892e10d0), _1004344)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1009064, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1009996, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1017346)
   Call: (222) [system] peek_char((0x560c892e10d0), _1018280)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
^  Call: (222) [user] is_delimiter(a)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] arg(_1023000, v('(', ')', end_of_file), a)
   Fail: (223) [system] arg(_1023932, v('(', ')', end_of_file), a)
^  Fail: (222) [user] is_delimiter(a)
   Call: (222) [system] ')'==a
   Fail: (222) [system] ')'==a
   Call: (222) [system] get_char((0x560c892e10d0), a)
   Exit: (222) [system] get_char((0x560c892e10d0), a)
   Call: (222) [system] a=(\)
   Fail: (222) [system] a=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031282)
   Call: (223) [system] peek_char((0x560c892e10d0), _1032216)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1036936, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1037868, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045218)
   Call: (224) [system] peek_char((0x560c892e10d0), _1046152)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1050872, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1051804, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059154)
   Call: (225) [system] peek_char((0x560c892e10d0), _1060088)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1064808, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1065740, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073090)
   Call: (226) [system] peek_char((0x560c892e10d0), _1074024)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1078744, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1079676, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087026)
   Call: (227) [system] peek_char((0x560c892e10d0), _1087960)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1087026=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _1073090=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (225) [system] _1059154=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (224) [system] _1045218=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (223) [system] _1031282=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (222) [system] _1017346=[a, t, i, o, n]
   Exit: (222) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (221) [system] _1003410=[c, a, t, i, o, n]
   Exit: (221) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (220) [system] _989474=[i, c, a, t, i, o, n]
   Exit: (220) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (219) [system] _975538=[l, i, c, a, t, i, o, n]
   Exit: (219) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (218) [system] _961602=[p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (217) [system] _947666=[m, p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _912156)
^  Call: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1125184)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1126136, _1126138), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1125184), _1126118, fail)), '$restore_trace'(_1126136, _1126138))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1126136, _1126138))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1125184), _1126118, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1125184)
   Fail: (218) [system] atomic(_1125184)
   Call: (218) [system] atom_chars(_1125184, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (217) [system] integer('Implication')
   Fail: (217) [system] integer('Implication')
   Call: (217) [system] _912156='Implication'
   Exit: (217) [system] 'Implication'='Implication'
^  Exit: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1140134)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1141992)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1151586)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1154290)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1171224)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1176794)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1178652)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1194662)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1176794)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1200232)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1216242)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1221812)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1223670)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1239680)
   Exit: (218) [system] get_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1221812)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1257322)
   Call: (220) [system] peek_char((0x560c892e10d0), _1258256)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1262976, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1263908, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1271258)
   Call: (221) [system] peek_char((0x560c892e10d0), _1272192)
   Exit: (221) [system] peek_char((0x560c892e10d0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1276912, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1277844, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x560c892e10d0), d)
   Exit: (221) [system] get_char((0x560c892e10d0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1285194)
   Call: (222) [system] peek_char((0x560c892e10d0), _1286128)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1290848, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1291780, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x560c892e10d0), 'L')
   Exit: (222) [system] get_char((0x560c892e10d0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1299130)
   Call: (223) [system] peek_char((0x560c892e10d0), _1300064)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1304784, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1305716, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1313066)
   Call: (224) [system] peek_char((0x560c892e10d0), _1314000)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1318720, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1319652, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327002)
   Call: (225) [system] peek_char((0x560c892e10d0), _1327936)
   Exit: (225) [system] peek_char((0x560c892e10d0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1332656, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1333588, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x560c892e10d0), k)
   Exit: (225) [system] get_char((0x560c892e10d0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1340938)
   Call: (226) [system] peek_char((0x560c892e10d0), _1341872)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1340938=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _1327002=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (224) [system] _1313066=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (223) [system] _1299130=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (222) [system] _1285194=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (221) [system] _1271258=[d, 'L', i, n, k]
   Exit: (221) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (220) [system] _1257322=[n, d, 'L', i, n, k]
   Exit: (220) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1221812)
^  Call: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1367920)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1368872, _1368874), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1367920), _1368854, fail)), '$restore_trace'(_1368872, _1368874))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1368872, _1368874))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1367920), _1368854, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1367920)
   Fail: (221) [system] atomic(_1367920)
   Call: (221) [system] atom_chars(_1367920, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (220) [system] integer('AndLink')
   Fail: (220) [system] integer('AndLink')
   Call: (220) [system] _1221812='AndLink'
   Exit: (220) [system] 'AndLink'='AndLink'
^  Exit: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1382870)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1384728)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1394322)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1397026)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1413960)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1419530)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1421388)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1437398)
   Exit: (219) [system] get_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1419530)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455040)
   Call: (221) [system] peek_char((0x560c892e10d0), _1455974)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1455040=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['A'], _1419530)
^  Call: (221) [user] classify_and_convert_charseq_(['A'], _1465258)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1466210, _1466212), once(user:catch(read_from_chars(['A'], _1465258), _1466192, fail)), '$restore_trace'(_1466210, _1466212))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1466210, _1466212))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1465258), _1466192, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1465258)
   Fail: (222) [system] atomic(_1465258)
   Call: (222) [system] atom_chars(_1465258, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (221) [system] integer('A')
   Fail: (221) [system] integer('A')
   Call: (221) [system] _1419530='A'
   Exit: (221) [system] 'A'='A'
^  Exit: (220) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1480208)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1482066)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1491660)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1494364)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1511298)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'=')'
   Fail: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1516868)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1518726)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1534736)
   Exit: (220) [system] get_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'='('
   Fail: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Fail: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Fail: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Fail: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Fail: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Fail: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Fail: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1516868)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1552378)
   Call: (222) [system] peek_char((0x560c892e10d0), _1553312)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1558032, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1552378=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['B'], _1516868)
^  Call: (222) [user] classify_and_convert_charseq_(['B'], _1564468)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1565420, _1565422), once(user:catch(read_from_chars(['B'], _1564468), _1565402, fail)), '$restore_trace'(_1565420, _1565422))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1565420, _1565422))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1564468), _1565402, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1564468)
   Fail: (223) [system] atomic(_1564468)
   Call: (223) [system] atom_chars(_1564468, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (222) [system] integer('B')
   Fail: (222) [system] integer('B')
   Call: (222) [system] _1516868='B'
   Exit: (222) [system] 'B'='B'
^  Exit: (221) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1579418)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1581276)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1597286)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1601076)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1579418=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _1480208=['B']
   Exit: (219) [system] ['B']=['B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (218) [system] _1382870=['A', 'B']
   Exit: (218) [system] ['A', 'B']=['A', 'B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (217) [system] _1176794=['AndLink', 'A', 'B']
   Exit: (217) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1614958)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1616816)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1626410)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1629114)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1646048)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1651618)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1653476)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1669486)
   Exit: (217) [system] get_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1651618)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1687128)
   Call: (219) [system] peek_char((0x560c892e10d0), _1688062)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1692782, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1687128=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq(['C'], _1651618)
^  Call: (219) [user] classify_and_convert_charseq_(['C'], _1699218)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1700170, _1700172), once(user:catch(read_from_chars(['C'], _1699218), _1700152, fail)), '$restore_trace'(_1700170, _1700172))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1700170, _1700172))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1699218), _1700152, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1699218)
   Fail: (220) [system] atomic(_1699218)
   Call: (220) [system] atom_chars(_1699218, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (219) [system] integer('C')
   Fail: (219) [system] integer('C')
   Call: (219) [system] _1651618='C'
   Exit: (219) [system] 'C'='C'
^  Exit: (218) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1714168)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1716026)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1732036)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1735826)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1714168=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _1614958=['C']
   Exit: (216) [system] ['C']=['C']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (215) [system] _1140134=[['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (214) [system] _867138=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1749708)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1751566)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1761160)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1763864)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1780798)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1786368)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1788226)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1804236)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1786368)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1809806)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1825816)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1831386)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1833244)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1849254)
   Exit: (216) [system] get_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1831386)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1866896)
   Call: (218) [system] peek_char((0x560c892e10d0), _1867830)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1872550, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1873482, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1880832)
   Call: (219) [system] peek_char((0x560c892e10d0), _1881766)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1886486, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1887418, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1894768)
   Call: (220) [system] peek_char((0x560c892e10d0), _1895702)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1900422, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1901354, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1908704)
   Call: (221) [system] peek_char((0x560c892e10d0), _1909638)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1914358, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1915290, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1922640)
   Call: (222) [system] peek_char((0x560c892e10d0), _1923574)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1928294, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1929226, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1936576)
   Call: (223) [system] peek_char((0x560c892e10d0), _1937510)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1936576=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1922640=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _1908704=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _1894768=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1880832=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1866896=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1831386)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1960764)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1961716, _1961718), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960764), _1961698, fail)), '$restore_trace'(_1961716, _1961718))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1961716, _1961718))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960764), _1961698, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1960764)
   Fail: (219) [system] atomic(_1960764)
   Call: (219) [system] atom_chars(_1960764, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1831386='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1975714)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1977572)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1987166)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1989870)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2006804)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _2012374)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2014232)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _2030242)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _2012374)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2035812)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _2051822)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _2057392)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2059250)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _2075260)
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', _2057392)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2092902)
   Call: (221) [system] peek_char((0x560c892e10d0), _2093836)
   Exit: (221) [system] peek_char((0x560c892e10d0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_7324, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_8256, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x560c892e10d0), m)
   Exit: (221) [system] get_char((0x560c892e10d0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _15606)
   Call: (222) [system] peek_char((0x560c892e10d0), _16540)
   Exit: (222) [system] peek_char((0x560c892e10d0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_21260, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_22192, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x560c892e10d0), p)
   Exit: (222) [system] get_char((0x560c892e10d0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _29542)
   Call: (223) [system] peek_char((0x560c892e10d0), _30476)
   Exit: (223) [system] peek_char((0x560c892e10d0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_35196, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_36128, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x560c892e10d0), l)
   Exit: (223) [system] get_char((0x560c892e10d0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _43478)
   Call: (224) [system] peek_char((0x560c892e10d0), _44412)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_49132, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_50064, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _57414)
   Call: (225) [system] peek_char((0x560c892e10d0), _58348)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_63068, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_64000, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _71350)
   Call: (226) [system] peek_char((0x560c892e10d0), _72284)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_77004, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_77936, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x560c892e10d0), a)
   Exit: (226) [system] get_char((0x560c892e10d0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _85286)
   Call: (227) [system] peek_char((0x560c892e10d0), _86220)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_90940, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_91872, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _99222)
   Call: (228) [system] peek_char((0x560c892e10d0), _100156)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_104876, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_105808, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _113158)
   Call: (229) [system] peek_char((0x560c892e10d0), _114092)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_118812, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_119744, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _127094)
   Call: (230) [system] peek_char((0x560c892e10d0), _128028)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_132748, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_133680, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _141030)
   Call: (231) [system] peek_char((0x560c892e10d0), _141964)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _141030=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _127094=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _113158=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _99222=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _85286=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _71350=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (225) [system] _57414=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (224) [system] _43478=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (223) [system] _29542=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _15606=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _5562=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5558)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _179188)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_180140, _180142), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _179188), _180122, fail)), '$restore_trace'(_180140, _180142))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_180140, _180142))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _179188), _180122, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_179188)
   Fail: (222) [system] atomic(_179188)
   Call: (222) [system] atom_chars(_179188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _5558='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _194138)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _195996)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _205590)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _208294)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _225228)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _230798)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _232656)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _248666)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _230798)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _254236)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _270246)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _275816)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _277674)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _293684)
   Exit: (222) [system] get_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', _275816)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _311326)
   Call: (224) [system] peek_char((0x560c892e10d0), _312260)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_316980, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_317912, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _325262)
   Call: (225) [system] peek_char((0x560c892e10d0), _326196)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_330916, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_331848, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x560c892e10d0), 'L')
   Exit: (225) [system] get_char((0x560c892e10d0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _339198)
   Call: (226) [system] peek_char((0x560c892e10d0), _340132)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_344852, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_345784, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _353134)
   Call: (227) [system] peek_char((0x560c892e10d0), _354068)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_358788, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_359720, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _367070)
   Call: (228) [system] peek_char((0x560c892e10d0), _368004)
   Exit: (228) [system] peek_char((0x560c892e10d0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_372724, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_373656, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x560c892e10d0), k)
   Exit: (228) [system] get_char((0x560c892e10d0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _381006)
   Call: (229) [system] peek_char((0x560c892e10d0), _381940)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _381006=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _367070=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (227) [system] _353134=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (226) [system] _339198=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (225) [system] _325262=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (224) [system] _311326=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _275816)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _405194)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_406146, _406148), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _405194), _406128, fail)), '$restore_trace'(_406146, _406148))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_406146, _406148))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _405194), _406128, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_405194)
   Fail: (225) [system] atomic(_405194)
   Call: (225) [system] atom_chars(_405194, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _275816='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _420144)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _422002)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _431596)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _434300)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _451234)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _456804)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _458662)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _474672)
   Exit: (223) [system] get_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', _456804)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _492314)
   Call: (225) [system] peek_char((0x560c892e10d0), _493248)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _492314=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _456804)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _502532)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_503484, _503486), once(user:catch(read_from_chars(['C'], _502532), _503466, fail)), '$restore_trace'(_503484, _503486))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_503484, _503486))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _502532), _503466, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_502532)
   Fail: (226) [system] atomic(_502532)
   Call: (226) [system] atom_chars(_502532, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _456804='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _517482)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _519340)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _528934)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _531638)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _548572)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _554142)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _556000)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _572010)
   Exit: (224) [system] get_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'D', _554142)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _589652)
   Call: (226) [system] peek_char((0x560c892e10d0), _590586)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_595306, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _589652=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['D'], _554142)
^  Call: (226) [user] classify_and_convert_charseq_(['D'], _601742)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_602694, _602696), once(user:catch(read_from_chars(['D'], _601742), _602676, fail)), '$restore_trace'(_602694, _602696))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_602694, _602696))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _601742), _602676, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_601742)
   Fail: (227) [system] atomic(_601742)
   Call: (227) [system] atom_chars(_601742, ['D'])
   Exit: (227) [system] atom_chars('D', ['D'])
^  Exit: (226) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (226) [system] integer('D')
   Fail: (226) [system] integer('D')
   Call: (226) [system] _554142='D'
   Exit: (226) [system] 'D'='D'
^  Exit: (225) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _616692)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _618550)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _634560)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _638350)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _616692=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _517482=['D']
   Exit: (223) [system] ['D']=['D']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (222) [system] _420144=['C', 'D']
   Exit: (222) [system] ['C', 'D']=['C', 'D']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (221) [system] _230798=['OrLink', 'C', 'D']
   Exit: (221) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _652232)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _654090)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _663684)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _666388)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
   Call: (222) [system] 'E'=(/)
   Fail: (222) [system] 'E'=(/)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _683322)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'E')
   Call: (220) [system] 'E'=')'
   Fail: (220) [system] 'E'=')'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _688892)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _690750)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
   Call: (222) [system] 'E'=(/)
   Fail: (222) [system] 'E'=(/)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _706760)
   Exit: (221) [system] get_char((0x560c892e10d0), 'E')
   Call: (221) [system] 'E'='('
   Fail: (221) [system] 'E'='('
   Call: (221) [system] 'E'='['
   Fail: (221) [system] 'E'='['
   Call: (221) [system] 'E'='{'
   Fail: (221) [system] 'E'='{'
   Call: (221) [system] 'E'='"'
   Fail: (221) [system] 'E'='"'
   Call: (221) [system] 'E'=!
   Fail: (221) [system] 'E'=!
   Call: (221) [system] 'E'='\''
   Fail: (221) [system] 'E'='\''
   Call: (221) [system] 'E'='`'
   Fail: (221) [system] 'E'='`'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'E', _688892)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _724402)
   Call: (223) [system] peek_char((0x560c892e10d0), _725336)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_730056, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _724402=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['E'], _688892)
^  Call: (223) [user] classify_and_convert_charseq_(['E'], _736492)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_737444, _737446), once(user:catch(read_from_chars(['E'], _736492), _737426, fail)), '$restore_trace'(_737444, _737446))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_737444, _737446))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _736492), _737426, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_736492)
   Fail: (224) [system] atomic(_736492)
   Call: (224) [system] atom_chars(_736492, ['E'])
   Exit: (224) [system] atom_chars('E', ['E'])
^  Exit: (223) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (223) [system] integer('E')
   Fail: (223) [system] integer('E')
   Call: (223) [system] _688892='E'
   Exit: (223) [system] 'E'='E'
^  Exit: (222) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _751442)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _753300)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _769310)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _773100)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _751442=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _652232=['E']
   Exit: (220) [system] ['E']=['E']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (219) [system] _194138=[['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (218) [system] _5552=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _786982)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _788840)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _798434)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _801138)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _818072)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _823642)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _825500)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _841510)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _823642)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _847080)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _863090)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _868660)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _870518)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _886528)
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', _868660)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _904170)
   Call: (222) [system] peek_char((0x560c892e10d0), _905104)
   Exit: (222) [system] peek_char((0x560c892e10d0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_909824, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_910756, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x560c892e10d0), m)
   Exit: (222) [system] get_char((0x560c892e10d0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _918106)
   Call: (223) [system] peek_char((0x560c892e10d0), _919040)
   Exit: (223) [system] peek_char((0x560c892e10d0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_923760, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_924692, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x560c892e10d0), p)
   Exit: (223) [system] get_char((0x560c892e10d0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _932042)
   Call: (224) [system] peek_char((0x560c892e10d0), _932976)
   Exit: (224) [system] peek_char((0x560c892e10d0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_937696, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_938628, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x560c892e10d0), l)
   Exit: (224) [system] get_char((0x560c892e10d0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _945978)
   Call: (225) [system] peek_char((0x560c892e10d0), _946912)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_951632, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_952564, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _959914)
   Call: (226) [system] peek_char((0x560c892e10d0), _960848)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_965568, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_966500, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _973850)
   Call: (227) [system] peek_char((0x560c892e10d0), _974784)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_979504, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_980436, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x560c892e10d0), a)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _987786)
   Call: (228) [system] peek_char((0x560c892e10d0), _988720)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_993440, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_994372, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1001722)
   Call: (229) [system] peek_char((0x560c892e10d0), _1002656)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1007376, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1008308, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1015658)
   Call: (230) [system] peek_char((0x560c892e10d0), _1016592)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1021312, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1022244, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1029594)
   Call: (231) [system] peek_char((0x560c892e10d0), _1030528)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1035248, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1036180, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1043530)
   Call: (232) [system] peek_char((0x560c892e10d0), _1044464)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1043530=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1029594=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _1015658=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _1001722=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _987786=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _973850=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (226) [system] _959914=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (225) [system] _945978=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (224) [system] _932042=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _918106=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _904170=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _868660)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1081688)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1082640, _1082642), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1081688), _1082622, fail)), '$restore_trace'(_1082640, _1082642))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1082640, _1082642))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1081688), _1082622, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1081688)
   Fail: (223) [system] atomic(_1081688)
   Call: (223) [system] atom_chars(_1081688, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _868660='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1096638)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1098496)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1108090)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1110794)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1127728)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1133298)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1135156)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1151166)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1133298)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1156736)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1172746)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1178316)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1180174)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1196184)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1178316)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1213826)
   Call: (225) [system] peek_char((0x560c892e10d0), _1214760)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1219480, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1220412, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1227762)
   Call: (226) [system] peek_char((0x560c892e10d0), _1228696)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1233416, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1234348, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1241698)
   Call: (227) [system] peek_char((0x560c892e10d0), _1242632)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1247352, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1248284, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1255634)
   Call: (228) [system] peek_char((0x560c892e10d0), _1256568)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1261288, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1262220, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1269570)
   Call: (229) [system] peek_char((0x560c892e10d0), _1270504)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1275224, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1276156, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1283506)
   Call: (230) [system] peek_char((0x560c892e10d0), _1284440)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1289160, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1290092, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297442)
   Call: (231) [system] peek_char((0x560c892e10d0), _1298376)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1297442=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _1283506=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _1269570=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _1255634=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _1241698=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _1227762=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (225) [system] _1213826=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1178316)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1324424)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1325376, _1325378), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1324424), _1325358, fail)), '$restore_trace'(_1325376, _1325378))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1325376, _1325378))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1324424), _1325358, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1324424)
   Fail: (226) [system] atomic(_1324424)
   Call: (226) [system] atom_chars(_1324424, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _1178316='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1339374)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1341232)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1350826)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1353530)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1370464)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1376034)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1377892)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1393902)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1376034)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1411544)
   Call: (226) [system] peek_char((0x560c892e10d0), _1412478)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1411544=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _1376034)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _1421762)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1422714, _1422716), once(user:catch(read_from_chars(['A'], _1421762), _1422696, fail)), '$restore_trace'(_1422714, _1422716))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1422714, _1422716))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1421762), _1422696, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1421762)
   Fail: (227) [system] atomic(_1421762)
   Call: (227) [system] atom_chars(_1421762, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _1376034='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1436712)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1438570)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1448164)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1450868)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1467802)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1473372)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1475230)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1491240)
   Exit: (225) [system] get_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1473372)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508882)
   Call: (227) [system] peek_char((0x560c892e10d0), _1509816)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1514536, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1508882=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1473372)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _1520972)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1521924, _1521926), once(user:catch(read_from_chars(['B'], _1520972), _1521906, fail)), '$restore_trace'(_1521924, _1521926))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1521924, _1521926))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1520972), _1521906, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1520972)
   Fail: (228) [system] atomic(_1520972)
   Call: (228) [system] atom_chars(_1520972, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1473372='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1535922)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1537780)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1553790)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _1557580)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _1535922=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _1436712=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (223) [system] _1339374=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (222) [system] _1133298=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1571462)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1573320)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1582914)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1585618)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1602552)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1608122)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1609980)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1625990)
   Exit: (222) [system] get_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1608122)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1643632)
   Call: (224) [system] peek_char((0x560c892e10d0), _1644566)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1649286, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1643632=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1608122)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1655722)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1656674, _1656676), once(user:catch(read_from_chars(['C'], _1655722), _1656656, fail)), '$restore_trace'(_1656674, _1656676))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1656674, _1656676))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1655722), _1656656, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1655722)
   Fail: (225) [system] atomic(_1655722)
   Call: (225) [system] atom_chars(_1655722, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1608122='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1670672)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1672530)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1688540)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _1692330)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _1670672=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _1571462=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (220) [system] _1096638=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _823642=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1706212)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1708070)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1724080)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1727870)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1706212=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _786982=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5548=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5540=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1741752)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1743610)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1759620)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _1763410)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _1741752=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _5536=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5494=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5486=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1777292)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1779150)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1795160)
   Exit: (210) [system] peek_char((0x560c892e10d0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x560c892e10d0), _1798950)
   Exit: (210) [system] get_char((0x560c892e10d0), ')')
   Call: (210) [system] _1777292=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [])
   Call: (209) [system] _5482=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (209) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (208) [system] _5440=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (208) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (207) [system] _5432=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (207) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (206) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (205) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (205) [user] read_list(')', (0x560c892e10d0), _1812832)
^  Call: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1814690)
   Exit: (207) [system] peek_char((0x560c892e10d0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x560c892e10d0), _1826140)
   Exit: (207) [system] get_char((0x560c892e10d0), '\n')
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1828844)
   Exit: (208) [system] peek_char((0x560c892e10d0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x560c892e10d0), _1838438)
   Exit: (208) [system] get_char((0x560c892e10d0), ' ')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1841142)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
^  Exit: (206) [user] skip_spaces((0x560c892e10d0))
   Call: (206) [system] peek_char((0x560c892e10d0), _1859000)
   Exit: (206) [system] peek_char((0x560c892e10d0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x560c892e10d0), _1864570)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1866428)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] get_char((0x560c892e10d0), _1882438)
   Exit: (207) [system] get_char((0x560c892e10d0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _1864570)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1888008)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1904018)
   Exit: (208) [system] peek_char((0x560c892e10d0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _1909588)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1911446)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _1927456)
   Exit: (209) [system] get_char((0x560c892e10d0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x560c892e10d0), :, _1909588)
^  Call: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), _1945098)
   Call: (211) [system] peek_char((0x560c892e10d0), _1946032)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1945098=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _1909588)
^  Call: (211) [user] classify_and_convert_charseq_([:], _1955316)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1956268, _1956270), once(user:catch(read_from_chars([:], _1955316), _1956250, fail)), '$restore_trace'(_1956268, _1956270))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1956268, _1956270))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1956250, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _1909588=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1968396)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1970254)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _1979848)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1982552)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1999486)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _2005056)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2006914)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _2022924)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _2005056)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _2028494)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _2044504)
   Exit: (211) [system] peek_char((0x560c892e10d0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _2050074)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _2051932)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _2067942)
   Exit: (212) [system] get_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', _2050074)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _2085584)
   Call: (214) [system] peek_char((0x560c892e10d0), _2086518)
   Exit: (214) [system] peek_char((0x560c892e10d0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2091238, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2092170, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x560c892e10d0), i)
   Exit: (214) [system] get_char((0x560c892e10d0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _8316)
   Call: (215) [system] peek_char((0x560c892e10d0), _9250)
   Exit: (215) [system] peek_char((0x560c892e10d0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_13970, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_14902, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x560c892e10d0), s)
   Exit: (215) [system] get_char((0x560c892e10d0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _22252)
   Call: (216) [system] peek_char((0x560c892e10d0), _23186)
   Exit: (216) [system] peek_char((0x560c892e10d0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_27906, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_28838, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x560c892e10d0), j)
   Exit: (216) [system] get_char((0x560c892e10d0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _36188)
   Call: (217) [system] peek_char((0x560c892e10d0), _37122)
   Exit: (217) [system] peek_char((0x560c892e10d0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_41842, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_42774, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x560c892e10d0), u)
   Exit: (217) [system] get_char((0x560c892e10d0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _50124)
   Call: (218) [system] peek_char((0x560c892e10d0), _51058)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_55778, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_56710, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _64060)
   Call: (219) [system] peek_char((0x560c892e10d0), _64994)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_69714, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_70646, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _77996)
   Call: (220) [system] peek_char((0x560c892e10d0), _78930)
   Exit: (220) [system] peek_char((0x560c892e10d0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_83650, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_84582, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x560c892e10d0), t)
   Exit: (220) [system] get_char((0x560c892e10d0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _91932)
   Call: (221) [system] peek_char((0x560c892e10d0), _92866)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_97586, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_98518, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _105868)
   Call: (222) [system] peek_char((0x560c892e10d0), _106802)
   Exit: (222) [system] peek_char((0x560c892e10d0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_111522, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_112454, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x560c892e10d0), o)
   Exit: (222) [system] get_char((0x560c892e10d0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _119804)
   Call: (223) [system] peek_char((0x560c892e10d0), _120738)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_125458, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_126390, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _133740)
   Call: (224) [system] peek_char((0x560c892e10d0), _134674)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_139394, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_140326, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x560c892e10d0), 'I')
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _147676)
   Call: (225) [system] peek_char((0x560c892e10d0), _148610)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_153330, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_154262, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _161612)
   Call: (226) [system] peek_char((0x560c892e10d0), _162546)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_167266, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_168198, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _175548)
   Call: (227) [system] peek_char((0x560c892e10d0), _176482)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_181202, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_182134, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _189484)
   Call: (228) [system] peek_char((0x560c892e10d0), _190418)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_195138, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_196070, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _203420)
   Call: (229) [system] peek_char((0x560c892e10d0), _204354)
   Exit: (229) [system] peek_char((0x560c892e10d0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_209074, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_210006, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x560c892e10d0), d)
   Exit: (229) [system] get_char((0x560c892e10d0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _217356)
   Call: (230) [system] peek_char((0x560c892e10d0), _218290)
   Exit: (230) [system] peek_char((0x560c892e10d0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_223010, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_223942, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x560c892e10d0), u)
   Exit: (230) [system] get_char((0x560c892e10d0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _231292)
   Call: (231) [system] peek_char((0x560c892e10d0), _232226)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_236946, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_237878, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _245228)
   Call: (232) [system] peek_char((0x560c892e10d0), _246162)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_250882, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_251814, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _259164)
   Call: (233) [system] peek_char((0x560c892e10d0), _260098)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_264818, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_265750, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _273100)
   Call: (234) [system] peek_char((0x560c892e10d0), _274034)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_278754, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_279686, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _287036)
   Call: (235) [system] peek_char((0x560c892e10d0), _287970)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_292690, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_293622, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _300972)
   Call: (236) [system] peek_char((0x560c892e10d0), _301906)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _300972=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _287036=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _273100=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _259164=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _245228=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _231292=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (230) [system] _217356=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (229) [system] _203420=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (228) [system] _189484=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _175548=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _161612=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _147676=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _133740=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _119804=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _105868=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _91932=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _77996=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _64060=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _50124=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _36188=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _22252=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _8316=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _5658=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5654)
^  Call: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_373610, _373612), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658), _373592, fail)), '$restore_trace'(_373610, _373612))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_373610, _373612))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658), _373592, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_372658)
   Fail: (215) [system] atomic(_372658)
   Call: (215) [system] atom_chars(_372658, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (214) [system] integer('DisjunctionIntroduction')
   Fail: (214) [system] integer('DisjunctionIntroduction')
   Call: (214) [system] _5654='DisjunctionIntroduction'
   Exit: (214) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _387608)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _389466)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _399060)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _401764)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _418698)
   Exit: (212) [system] peek_char((0x560c892e10d0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _424268)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _426126)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _442136)
   Exit: (213) [system] get_char((0x560c892e10d0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), a, _424268)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _459778)
   Call: (215) [system] peek_char((0x560c892e10d0), _460712)
   Exit: (215) [system] peek_char((0x560c892e10d0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_465432, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_466364, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x560c892e10d0), b)
   Exit: (215) [system] get_char((0x560c892e10d0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _473714)
   Call: (216) [system] peek_char((0x560c892e10d0), _474648)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_479368, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_480300, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x560c892e10d0), c)
   Exit: (216) [system] get_char((0x560c892e10d0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _487650)
   Call: (217) [system] peek_char((0x560c892e10d0), _488584)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _487650=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (216) [system] _473714=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (215) [system] _459778=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _424268)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _503456)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_504408, _504410), once(user:catch(read_from_chars([a, b, c], _503456), _504390, fail)), '$restore_trace'(_504408, _504410))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_504408, _504410))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _504390, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _424268=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _516536)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _518394)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _527988)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _530692)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _547626)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _553196)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _555054)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _571064)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _553196)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _576634)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _592644)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _598214)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _600072)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _616082)
   Exit: (216) [system] get_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', _598214)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _633724)
   Call: (218) [system] peek_char((0x560c892e10d0), _634658)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_639378, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_640310, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _647660)
   Call: (219) [system] peek_char((0x560c892e10d0), _648594)
   Exit: (219) [system] peek_char((0x560c892e10d0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_653314, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_654246, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x560c892e10d0), s)
   Exit: (219) [system] get_char((0x560c892e10d0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _661596)
   Call: (220) [system] peek_char((0x560c892e10d0), _662530)
   Exit: (220) [system] peek_char((0x560c892e10d0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_667250, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_668182, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x560c892e10d0), j)
   Exit: (220) [system] get_char((0x560c892e10d0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _675532)
   Call: (221) [system] peek_char((0x560c892e10d0), _676466)
   Exit: (221) [system] peek_char((0x560c892e10d0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_681186, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_682118, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x560c892e10d0), u)
   Exit: (221) [system] get_char((0x560c892e10d0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _689468)
   Call: (222) [system] peek_char((0x560c892e10d0), _690402)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_695122, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_696054, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _703404)
   Call: (223) [system] peek_char((0x560c892e10d0), _704338)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_709058, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_709990, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _717340)
   Call: (224) [system] peek_char((0x560c892e10d0), _718274)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_722994, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_723926, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _731276)
   Call: (225) [system] peek_char((0x560c892e10d0), _732210)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_736930, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_737862, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _745212)
   Call: (226) [system] peek_char((0x560c892e10d0), _746146)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_750866, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_751798, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _759148)
   Call: (227) [system] peek_char((0x560c892e10d0), _760082)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_764802, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_765734, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _773084)
   Call: (228) [system] peek_char((0x560c892e10d0), _774018)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_778738, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_779670, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x560c892e10d0), 'I')
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _787020)
   Call: (229) [system] peek_char((0x560c892e10d0), _787954)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_792674, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_793606, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _800956)
   Call: (230) [system] peek_char((0x560c892e10d0), _801890)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_806610, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_807542, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _814892)
   Call: (231) [system] peek_char((0x560c892e10d0), _815826)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_820546, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_821478, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _828828)
   Call: (232) [system] peek_char((0x560c892e10d0), _829762)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_834482, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_835414, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _842764)
   Call: (233) [system] peek_char((0x560c892e10d0), _843698)
   Exit: (233) [system] peek_char((0x560c892e10d0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_848418, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_849350, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x560c892e10d0), d)
   Exit: (233) [system] get_char((0x560c892e10d0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _856700)
   Call: (234) [system] peek_char((0x560c892e10d0), _857634)
   Exit: (234) [system] peek_char((0x560c892e10d0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_862354, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_863286, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x560c892e10d0), u)
   Exit: (234) [system] get_char((0x560c892e10d0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _870636)
   Call: (235) [system] peek_char((0x560c892e10d0), _871570)
   Exit: (235) [system] peek_char((0x560c892e10d0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_876290, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_877222, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x560c892e10d0), c)
   Exit: (235) [system] get_char((0x560c892e10d0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _884572)
   Call: (236) [system] peek_char((0x560c892e10d0), _885506)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_890226, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_891158, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _898508)
   Call: (237) [system] peek_char((0x560c892e10d0), _899442)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_904162, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_905094, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _912444)
   Call: (238) [system] peek_char((0x560c892e10d0), _913378)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_918098, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_919030, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _926380)
   Call: (239) [system] peek_char((0x560c892e10d0), _927314)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_932034, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_932966, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _940316)
   Call: (240) [system] peek_char((0x560c892e10d0), _941250)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _940316=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _926380=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _912444=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _898508=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _884572=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _870636=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (234) [system] _856700=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (233) [system] _842764=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (232) [system] _828828=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _814892=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _800956=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _787020=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _773084=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _759148=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _745212=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _731276=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _717340=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _703404=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _689468=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _675532=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _661596=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _647660=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _633724=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _598214)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1012954, _1012956), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002), _1012936, fail)), '$restore_trace'(_1012954, _1012956))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1012954, _1012956))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002), _1012936, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1012002)
   Fail: (219) [system] atomic(_1012002)
   Call: (219) [system] atom_chars(_1012002, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _598214='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1026952)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1028810)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1038404)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1041108)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1058042)
   Exit: (216) [system] peek_char((0x560c892e10d0), c)
   Call: (216) [system] c=')'
   Fail: (216) [system] c=')'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1063612)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1065470)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1081480)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c='('
   Fail: (217) [system] c='('
   Call: (217) [system] c='['
   Fail: (217) [system] c='['
   Call: (217) [system] c='{'
   Fail: (217) [system] c='{'
   Call: (217) [system] c='"'
   Fail: (217) [system] c='"'
   Call: (217) [system] c=!
   Fail: (217) [system] c=!
   Call: (217) [system] c='\''
   Fail: (217) [system] c='\''
   Call: (217) [system] c='`'
   Fail: (217) [system] c='`'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), c, _1063612)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1099122)
   Call: (219) [system] peek_char((0x560c892e10d0), _1100056)
   Exit: (219) [system] peek_char((0x560c892e10d0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1104776, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1105708, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x560c892e10d0), d)
   Exit: (219) [system] get_char((0x560c892e10d0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1113058)
   Call: (220) [system] peek_char((0x560c892e10d0), _1113992)
   Exit: (220) [system] peek_char((0x560c892e10d0), e)
^  Call: (220) [user] is_delimiter(e)
   Call: (221) [system] char_type(e, space)
   Fail: (221) [system] char_type(e, space)
   Call: (221) [system] arg(_1118712, v('(', ')', end_of_file), e)
   Fail: (221) [system] arg(_1119644, v('(', ')', end_of_file), e)
^  Fail: (220) [user] is_delimiter(e)
   Call: (220) [system] ')'==e
   Fail: (220) [system] ')'==e
   Call: (220) [system] get_char((0x560c892e10d0), e)
   Exit: (220) [system] get_char((0x560c892e10d0), e)
   Call: (220) [system] e=(\)
   Fail: (220) [system] e=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1126994)
   Call: (221) [system] peek_char((0x560c892e10d0), _1127928)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1126994=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _1113058=[e]
   Exit: (220) [system] [e]=[e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (219) [system] _1099122=[d, e]
   Exit: (219) [system] [d, e]=[d, e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (218) [user] classify_and_convert_charseq([c, d, e], _1063612)
^  Call: (219) [user] classify_and_convert_charseq_([c, d, e], _1142800)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1143752, _1143754), once(user:catch(read_from_chars([c, d, e], _1142800), _1143734, fail)), '$restore_trace'(_1143752, _1143754))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1143752, _1143754))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1143734, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (219) [system] integer(cde)
   Fail: (219) [system] integer(cde)
   Call: (219) [system] _1063612=cde
   Exit: (219) [system] cde=cde
^  Exit: (218) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1155880)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1157738)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1167332)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1170036)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1186970)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1192540)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1194398)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1210408)
   Exit: (218) [system] get_char((0x560c892e10d0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), a, _1192540)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228050)
   Call: (220) [system] peek_char((0x560c892e10d0), _1228984)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1233704, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1228050=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq([a], _1192540)
^  Call: (220) [user] classify_and_convert_charseq_([a], _1240140)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1241092, _1241094), once(user:catch(read_from_chars([a], _1240140), _1241074, fail)), '$restore_trace'(_1241092, _1241094))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1241092, _1241094))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1241074, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq_([a], a)
   Call: (220) [system] integer(a)
   Fail: (220) [system] integer(a)
   Call: (220) [system] _1192540=a
   Exit: (220) [system] a=a
^  Exit: (219) [user] classify_and_convert_charseq([a], a)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1253220)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1255078)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1271088)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1274878)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1253220=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _1155880=[a]
   Exit: (217) [system] [a]=[a]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (216) [system] _1026952=[cde, a]
   Exit: (216) [system] [cde, a]=[cde, a]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (215) [system] _553196=['DisjunctionIntroduction', cde, a]
   Exit: (215) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1288760)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1290618)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1306628)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _1310418)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _1288760=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _516536=[['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, a]])
   Call: (212) [system] _387608=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (212) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (211) [system] _5648=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (211) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1324300)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1326158)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1335752)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1338456)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1355390)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1360960)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1362818)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1378828)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1360960)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1384398)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1400408)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1405978)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1407836)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1423846)
   Exit: (213) [system] get_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1405978)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1441488)
   Call: (215) [system] peek_char((0x560c892e10d0), _1442422)
   Exit: (215) [system] peek_char((0x560c892e10d0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1447142, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1448074, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x560c892e10d0), r)
   Exit: (215) [system] get_char((0x560c892e10d0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455424)
   Call: (216) [system] peek_char((0x560c892e10d0), _1456358)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1461078, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1462010, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x560c892e10d0), 'L')
   Exit: (216) [system] get_char((0x560c892e10d0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469360)
   Call: (217) [system] peek_char((0x560c892e10d0), _1470294)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1475014, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1475946, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483296)
   Call: (218) [system] peek_char((0x560c892e10d0), _1484230)
   Exit: (218) [system] peek_char((0x560c892e10d0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1488950, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1489882, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x560c892e10d0), n)
   Exit: (218) [system] get_char((0x560c892e10d0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497232)
   Call: (219) [system] peek_char((0x560c892e10d0), _1498166)
   Exit: (219) [system] peek_char((0x560c892e10d0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1502886, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1503818, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x560c892e10d0), k)
   Exit: (219) [system] get_char((0x560c892e10d0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511168)
   Call: (220) [system] peek_char((0x560c892e10d0), _1512102)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1511168=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1497232=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (218) [system] _1483296=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (217) [system] _1469360=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (216) [system] _1455424=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (215) [system] _1441488=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1405978)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1535356)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1536308, _1536310), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1535356), _1536290, fail)), '$restore_trace'(_1536308, _1536310))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1536308, _1536310))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1535356), _1536290, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1535356)
   Fail: (216) [system] atomic(_1535356)
   Call: (216) [system] atom_chars(_1535356, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _1405978='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1550306)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1552164)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1561758)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1564462)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1581396)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1586966)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1588824)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1604834)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1586966)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1610404)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1626414)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1631984)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1633842)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1649852)
   Exit: (216) [system] get_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1631984)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1667494)
   Call: (218) [system] peek_char((0x560c892e10d0), _1668428)
   Exit: (218) [system] peek_char((0x560c892e10d0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1673148, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1674080, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x560c892e10d0), m)
   Exit: (218) [system] get_char((0x560c892e10d0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1681430)
   Call: (219) [system] peek_char((0x560c892e10d0), _1682364)
   Exit: (219) [system] peek_char((0x560c892e10d0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1687084, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1688016, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x560c892e10d0), p)
   Exit: (219) [system] get_char((0x560c892e10d0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1695366)
   Call: (220) [system] peek_char((0x560c892e10d0), _1696300)
   Exit: (220) [system] peek_char((0x560c892e10d0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1701020, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1701952, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x560c892e10d0), l)
   Exit: (220) [system] get_char((0x560c892e10d0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1709302)
   Call: (221) [system] peek_char((0x560c892e10d0), _1710236)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1714956, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1715888, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1723238)
   Call: (222) [system] peek_char((0x560c892e10d0), _1724172)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1728892, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1729824, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1737174)
   Call: (223) [system] peek_char((0x560c892e10d0), _1738108)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1742828, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1743760, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x560c892e10d0), a)
   Exit: (223) [system] get_char((0x560c892e10d0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1751110)
   Call: (224) [system] peek_char((0x560c892e10d0), _1752044)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1756764, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1757696, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1765046)
   Call: (225) [system] peek_char((0x560c892e10d0), _1765980)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1770700, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1771632, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1778982)
   Call: (226) [system] peek_char((0x560c892e10d0), _1779916)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1784636, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1785568, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1792918)
   Call: (227) [system] peek_char((0x560c892e10d0), _1793852)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1798572, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1799504, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1806854)
   Call: (228) [system] peek_char((0x560c892e10d0), _1807788)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1806854=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1792918=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (226) [system] _1778982=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (225) [system] _1765046=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (224) [system] _1751110=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (223) [system] _1737174=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (222) [system] _1723238=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (221) [system] _1709302=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (220) [system] _1695366=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1681430=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1667494=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1631984)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1845012)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1845964, _1845966), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1845012), _1845946, fail)), '$restore_trace'(_1845964, _1845966))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1845964, _1845966))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1845012), _1845946, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1845012)
   Fail: (219) [system] atomic(_1845012)
   Call: (219) [system] atom_chars(_1845012, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _1631984='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1859962)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1861820)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1871414)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1874118)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1891052)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1896622)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1898480)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1914490)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1896622)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1920060)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1936070)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1941640)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1943498)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1959508)
   Exit: (219) [system] get_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1941640)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1977150)
   Call: (221) [system] peek_char((0x560c892e10d0), _1978084)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1982804, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1983736, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1991086)
   Call: (222) [system] peek_char((0x560c892e10d0), _1992020)
   Exit: (222) [system] peek_char((0x560c892e10d0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1996740, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1997672, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x560c892e10d0), d)
   Exit: (222) [system] get_char((0x560c892e10d0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2005022)
   Call: (223) [system] peek_char((0x560c892e10d0), _2005956)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_2010676, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_2011608, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2018958)
   Call: (224) [system] peek_char((0x560c892e10d0), _2019892)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2024612, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2025544, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2032894)
   Call: (225) [system] peek_char((0x560c892e10d0), _2033828)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2038548, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2039480, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2046830)
   Call: (226) [system] peek_char((0x560c892e10d0), _2047764)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_2052484, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_2053416, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2060766)
   Call: (227) [system] peek_char((0x560c892e10d0), _2061700)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _2060766=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _2046830=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _2032894=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _2018958=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _2005022=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _1991086=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (221) [system] _1977150=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1941640)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2087748)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2088700, _2088702), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2087748), _2088682, fail)), '$restore_trace'(_2088700, _2088702))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2088700, _2088702))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2087748), _2088682, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_2087748)
   Fail: (222) [system] atomic(_2087748)
   Call: (222) [system] atom_chars(_2087748, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _5720='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _11696)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _13554)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _23148)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _25852)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _42786)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _48356)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _50214)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _66224)
   Exit: (220) [system] get_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', _48356)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _83866)
   Call: (222) [system] peek_char((0x560c892e10d0), _84800)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _83866=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _48356)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _94084)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_95036, _95038), once(user:catch(read_from_chars(['A'], _94084), _95018, fail)), '$restore_trace'(_95036, _95038))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_95036, _95038))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _94084), _95018, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_94084)
   Fail: (223) [system] atomic(_94084)
   Call: (223) [system] atom_chars(_94084, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _48356='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _109034)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _110892)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _120486)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _123190)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _140124)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _145694)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _147552)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _163562)
   Exit: (221) [system] get_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', _145694)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _181204)
   Call: (223) [system] peek_char((0x560c892e10d0), _182138)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_186858, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _181204=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _145694)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _193294)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_194246, _194248), once(user:catch(read_from_chars(['B'], _193294), _194228, fail)), '$restore_trace'(_194246, _194248))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_194246, _194248))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _193294), _194228, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_193294)
   Fail: (224) [system] atomic(_193294)
   Call: (224) [system] atom_chars(_193294, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _145694='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _208244)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _210102)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _226112)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _229902)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _208244=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _109034=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (219) [system] _11696=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (218) [system] _5714=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _243784)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _245642)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _255236)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _257940)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _274874)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _280444)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _282302)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _298312)
   Exit: (218) [system] get_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', _280444)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _315954)
   Call: (220) [system] peek_char((0x560c892e10d0), _316888)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_321608, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _315954=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _280444)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _328044)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_328996, _328998), once(user:catch(read_from_chars(['C'], _328044), _328978, fail)), '$restore_trace'(_328996, _328998))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_328996, _328998))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _328044), _328978, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_328044)
   Fail: (221) [system] atomic(_328044)
   Call: (221) [system] atom_chars(_328044, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _280444='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _342994)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _344852)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _360862)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _364652)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _342994=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _243784=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (216) [system] _5710=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _378534)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _380392)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _389986)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _392690)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _409624)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _415194)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _417052)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _433062)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _415194)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _438632)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _454642)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _460212)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _462070)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _478080)
   Exit: (217) [system] get_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', _460212)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _495722)
   Call: (219) [system] peek_char((0x560c892e10d0), _496656)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_501376, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_502308, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _509658)
   Call: (220) [system] peek_char((0x560c892e10d0), _510592)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_515312, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_516244, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _523594)
   Call: (221) [system] peek_char((0x560c892e10d0), _524528)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_529248, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_530180, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _537530)
   Call: (222) [system] peek_char((0x560c892e10d0), _538464)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_543184, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_544116, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _551466)
   Call: (223) [system] peek_char((0x560c892e10d0), _552400)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_557120, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_558052, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _565402)
   Call: (224) [system] peek_char((0x560c892e10d0), _566336)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _565402=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _551466=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _537530=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _523594=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _509658=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _495722=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _460212)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _589590)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_590542, _590544), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589590), _590524, fail)), '$restore_trace'(_590542, _590544))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_590542, _590544))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589590), _590524, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_589590)
   Fail: (220) [system] atomic(_589590)
   Call: (220) [system] atom_chars(_589590, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _460212='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _604540)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _606398)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _615992)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _618696)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _635630)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _641200)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _643058)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _659068)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _641200)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _664638)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _680648)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _686218)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _688076)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _704086)
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', _686218)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _721728)
   Call: (222) [system] peek_char((0x560c892e10d0), _722662)
   Exit: (222) [system] peek_char((0x560c892e10d0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_727382, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_728314, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x560c892e10d0), m)
   Exit: (222) [system] get_char((0x560c892e10d0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _735664)
   Call: (223) [system] peek_char((0x560c892e10d0), _736598)
   Exit: (223) [system] peek_char((0x560c892e10d0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_741318, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_742250, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x560c892e10d0), p)
   Exit: (223) [system] get_char((0x560c892e10d0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _749600)
   Call: (224) [system] peek_char((0x560c892e10d0), _750534)
   Exit: (224) [system] peek_char((0x560c892e10d0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_755254, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_756186, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x560c892e10d0), l)
   Exit: (224) [system] get_char((0x560c892e10d0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _763536)
   Call: (225) [system] peek_char((0x560c892e10d0), _764470)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_769190, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_770122, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _777472)
   Call: (226) [system] peek_char((0x560c892e10d0), _778406)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_783126, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_784058, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _791408)
   Call: (227) [system] peek_char((0x560c892e10d0), _792342)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_797062, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_797994, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x560c892e10d0), a)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _805344)
   Call: (228) [system] peek_char((0x560c892e10d0), _806278)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_810998, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_811930, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _819280)
   Call: (229) [system] peek_char((0x560c892e10d0), _820214)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_824934, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_825866, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _833216)
   Call: (230) [system] peek_char((0x560c892e10d0), _834150)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_838870, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_839802, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _847152)
   Call: (231) [system] peek_char((0x560c892e10d0), _848086)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_852806, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_853738, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _861088)
   Call: (232) [system] peek_char((0x560c892e10d0), _862022)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _861088=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _847152=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _833216=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _819280=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _805344=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _791408=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (226) [system] _777472=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (225) [system] _763536=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (224) [system] _749600=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _735664=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _721728=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _686218)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _899246)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_900198, _900200), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _899246), _900180, fail)), '$restore_trace'(_900198, _900200))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_900198, _900200))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _899246), _900180, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_899246)
   Fail: (223) [system] atomic(_899246)
   Call: (223) [system] atom_chars(_899246, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _686218='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _914196)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _916054)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _925648)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _928352)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _945286)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _950856)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _952714)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _968724)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _950856)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _974294)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _990304)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _995874)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _997732)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1013742)
   Exit: (223) [system] get_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', _995874)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031384)
   Call: (225) [system] peek_char((0x560c892e10d0), _1032318)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1037038, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1037970, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1045320)
   Call: (226) [system] peek_char((0x560c892e10d0), _1046254)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1050974, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1051906, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x560c892e10d0), 'L')
   Exit: (226) [system] get_char((0x560c892e10d0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1059256)
   Call: (227) [system] peek_char((0x560c892e10d0), _1060190)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1064910, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1065842, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1073192)
   Call: (228) [system] peek_char((0x560c892e10d0), _1074126)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1078846, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1079778, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1087128)
   Call: (229) [system] peek_char((0x560c892e10d0), _1088062)
   Exit: (229) [system] peek_char((0x560c892e10d0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1092782, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1093714, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x560c892e10d0), k)
   Exit: (229) [system] get_char((0x560c892e10d0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101064)
   Call: (230) [system] peek_char((0x560c892e10d0), _1101998)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1101064=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _1087128=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (228) [system] _1073192=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (227) [system] _1059256=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (226) [system] _1045320=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (225) [system] _1031384=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _995874)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1125252)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1126204, _1126206), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1125252), _1126186, fail)), '$restore_trace'(_1126204, _1126206))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1126204, _1126206))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1125252), _1126186, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1125252)
   Fail: (226) [system] atomic(_1125252)
   Call: (226) [system] atom_chars(_1125252, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _995874='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1140202)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1142060)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1151654)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1154358)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1171292)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1176862)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1178720)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1194730)
   Exit: (224) [system] get_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1176862)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1212372)
   Call: (226) [system] peek_char((0x560c892e10d0), _1213306)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1212372=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1176862)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1222590)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1223542, _1223544), once(user:catch(read_from_chars(['C'], _1222590), _1223524, fail)), '$restore_trace'(_1223542, _1223544))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1223542, _1223544))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1222590), _1223524, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1222590)
   Fail: (227) [system] atomic(_1222590)
   Call: (227) [system] atom_chars(_1222590, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1176862='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1237540)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1239398)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1248992)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1251696)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1268630)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1274200)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1276058)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1292068)
   Exit: (225) [system] get_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1274200)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1309710)
   Call: (227) [system] peek_char((0x560c892e10d0), _1310644)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1315364, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1309710=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['D'], _1274200)
^  Call: (227) [user] classify_and_convert_charseq_(['D'], _1321800)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1322752, _1322754), once(user:catch(read_from_chars(['D'], _1321800), _1322734, fail)), '$restore_trace'(_1322752, _1322754))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1322752, _1322754))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1321800), _1322734, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1321800)
   Fail: (228) [system] atomic(_1321800)
   Call: (228) [system] atom_chars(_1321800, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (227) [system] integer('D')
   Fail: (227) [system] integer('D')
   Call: (227) [system] _1274200='D'
   Exit: (227) [system] 'D'='D'
^  Exit: (226) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1336750)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1338608)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1354618)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _1358408)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _1336750=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _1237540=['D']
   Exit: (224) [system] ['D']=['D']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (223) [system] _1140202=['C', 'D']
   Exit: (223) [system] ['C', 'D']=['C', 'D']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (222) [system] _950856=['OrLink', 'C', 'D']
   Exit: (222) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1372290)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1374148)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1383742)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1386446)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1403380)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'E')
   Call: (221) [system] 'E'=')'
   Fail: (221) [system] 'E'=')'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1408950)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1410808)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1426818)
   Exit: (222) [system] get_char((0x560c892e10d0), 'E')
   Call: (222) [system] 'E'='('
   Fail: (222) [system] 'E'='('
   Call: (222) [system] 'E'='['
   Fail: (222) [system] 'E'='['
   Call: (222) [system] 'E'='{'
   Fail: (222) [system] 'E'='{'
   Call: (222) [system] 'E'='"'
   Fail: (222) [system] 'E'='"'
   Call: (222) [system] 'E'=!
   Fail: (222) [system] 'E'=!
   Call: (222) [system] 'E'='\''
   Fail: (222) [system] 'E'='\''
   Call: (222) [system] 'E'='`'
   Fail: (222) [system] 'E'='`'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1408950)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1444460)
   Call: (224) [system] peek_char((0x560c892e10d0), _1445394)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1450114, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1444460=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['E'], _1408950)
^  Call: (224) [user] classify_and_convert_charseq_(['E'], _1456550)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1457502, _1457504), once(user:catch(read_from_chars(['E'], _1456550), _1457484, fail)), '$restore_trace'(_1457502, _1457504))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1457502, _1457504))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1456550), _1457484, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1456550)
   Fail: (225) [system] atomic(_1456550)
   Call: (225) [system] atom_chars(_1456550, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (224) [system] integer('E')
   Fail: (224) [system] integer('E')
   Call: (224) [system] _1408950='E'
   Exit: (224) [system] 'E'='E'
^  Exit: (223) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1471500)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1473358)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1489368)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _1493158)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _1471500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _1372290=['E']
   Exit: (221) [system] ['E']=['E']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (220) [system] _914196=[['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (219) [system] _641200=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1507040)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1508898)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1518492)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1521196)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1538130)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1543700)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1545558)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1561568)
   Exit: (219) [system] get_char((0x560c892e10d0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1543700)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1579210)
   Call: (221) [system] peek_char((0x560c892e10d0), _1580144)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1584864, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1579210=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _1543700)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _1591300)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1592252, _1592254), once(user:catch(read_from_chars(['B'], _1591300), _1592234, fail)), '$restore_trace'(_1592252, _1592254))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1592252, _1592254))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1591300), _1592234, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1591300)
   Fail: (222) [system] atomic(_1591300)
   Call: (222) [system] atom_chars(_1591300, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _1543700='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1606250)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1608108)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1624118)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _1627908)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _1606250=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _1507040=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (217) [system] _604540=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (217) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (216) [system] _415194=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (216) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1641790)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1643648)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1659658)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1663448)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1641790=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _378534=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (214) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (213) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (212) [system] _5690=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (212) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1677330)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1679188)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1695198)
   Exit: (211) [system] peek_char((0x560c892e10d0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x560c892e10d0), _1698988)
   Exit: (211) [system] get_char((0x560c892e10d0), ')')
   Call: (211) [system] _1677330=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [])
   Call: (210) [system] _5686=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (210) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (209) [system] _5644=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (209) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (208) [system] _5636=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (208) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (207) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (206) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (206) [user] read_list(')', (0x560c892e10d0), _1712870)
^  Call: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _1714728)
   Exit: (208) [system] peek_char((0x560c892e10d0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x560c892e10d0), _1726178)
   Exit: (208) [system] get_char((0x560c892e10d0), '\n')
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1728882)
   Exit: (209) [system] peek_char((0x560c892e10d0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x560c892e10d0), _1738476)
   Exit: (209) [system] get_char((0x560c892e10d0), ' ')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1741180)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
^  Exit: (207) [user] skip_spaces((0x560c892e10d0))
   Call: (207) [system] peek_char((0x560c892e10d0), _1759038)
   Exit: (207) [system] peek_char((0x560c892e10d0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x560c892e10d0), _1764608)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1766466)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] get_char((0x560c892e10d0), _1782476)
   Exit: (208) [system] get_char((0x560c892e10d0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _1764608)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1788046)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _1804056)
   Exit: (209) [system] peek_char((0x560c892e10d0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _1809626)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1811484)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _1827494)
   Exit: (210) [system] get_char((0x560c892e10d0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x560c892e10d0), :, _1809626)
^  Call: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), _1845136)
   Call: (212) [system] peek_char((0x560c892e10d0), _1846070)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1845136=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _1809626)
^  Call: (212) [user] classify_and_convert_charseq_([:], _1855354)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1856306, _1856308), once(user:catch(read_from_chars([:], _1855354), _1856288, fail)), '$restore_trace'(_1856306, _1856308))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1856306, _1856308))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1856288, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _1809626=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _1868434)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1870292)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _1879886)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1882590)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _1899524)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _1905094)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1906952)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _1922962)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1905094)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1928532)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1944542)
   Exit: (212) [system] peek_char((0x560c892e10d0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1950112)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1951970)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1967980)
   Exit: (213) [system] get_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1950112)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _1985622)
   Call: (215) [system] peek_char((0x560c892e10d0), _1986556)
   Exit: (215) [system] peek_char((0x560c892e10d0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1991276, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1992208, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x560c892e10d0), i)
   Exit: (215) [system] get_char((0x560c892e10d0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1999558)
   Call: (216) [system] peek_char((0x560c892e10d0), _2000492)
   Exit: (216) [system] peek_char((0x560c892e10d0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_2005212, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_2006144, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x560c892e10d0), s)
   Exit: (216) [system] get_char((0x560c892e10d0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2013494)
   Call: (217) [system] peek_char((0x560c892e10d0), _2014428)
   Exit: (217) [system] peek_char((0x560c892e10d0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_2019148, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_2020080, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x560c892e10d0), j)
   Exit: (217) [system] get_char((0x560c892e10d0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2027430)
   Call: (218) [system] peek_char((0x560c892e10d0), _2028364)
   Exit: (218) [system] peek_char((0x560c892e10d0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_2033084, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_2034016, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x560c892e10d0), u)
   Exit: (218) [system] get_char((0x560c892e10d0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _2041366)
   Call: (219) [system] peek_char((0x560c892e10d0), _2042300)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_2047020, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_2047952, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2055302)
   Call: (220) [system] peek_char((0x560c892e10d0), _2056236)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_2060956, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_2061888, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2069238)
   Call: (221) [system] peek_char((0x560c892e10d0), _2070172)
   Exit: (221) [system] peek_char((0x560c892e10d0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2074892, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_2075824, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x560c892e10d0), t)
   Exit: (221) [system] get_char((0x560c892e10d0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083174)
   Call: (222) [system] peek_char((0x560c892e10d0), _2084108)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2088828, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2089760, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _6210)
   Call: (223) [system] peek_char((0x560c892e10d0), _7144)
   Exit: (223) [system] peek_char((0x560c892e10d0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_11864, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_12796, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x560c892e10d0), o)
   Exit: (223) [system] get_char((0x560c892e10d0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _20146)
   Call: (224) [system] peek_char((0x560c892e10d0), _21080)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_25800, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_26732, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _34082)
   Call: (225) [system] peek_char((0x560c892e10d0), _35016)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_39736, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_40668, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x560c892e10d0), 'I')
   Exit: (225) [system] get_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _48018)
   Call: (226) [system] peek_char((0x560c892e10d0), _48952)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_53672, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_54604, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _61954)
   Call: (227) [system] peek_char((0x560c892e10d0), _62888)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_67608, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_68540, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _75890)
   Call: (228) [system] peek_char((0x560c892e10d0), _76824)
   Exit: (228) [system] peek_char((0x560c892e10d0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_81544, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_82476, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x560c892e10d0), r)
   Exit: (228) [system] get_char((0x560c892e10d0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _89826)
   Call: (229) [system] peek_char((0x560c892e10d0), _90760)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_95480, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_96412, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _103762)
   Call: (230) [system] peek_char((0x560c892e10d0), _104696)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_109416, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_110348, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _117698)
   Call: (231) [system] peek_char((0x560c892e10d0), _118632)
   Exit: (231) [system] peek_char((0x560c892e10d0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_123352, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_124284, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x560c892e10d0), u)
   Exit: (231) [system] get_char((0x560c892e10d0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _131634)
   Call: (232) [system] peek_char((0x560c892e10d0), _132568)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_137288, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_138220, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _145570)
   Call: (233) [system] peek_char((0x560c892e10d0), _146504)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_151224, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_152156, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _159506)
   Call: (234) [system] peek_char((0x560c892e10d0), _160440)
   Exit: (234) [system] peek_char((0x560c892e10d0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_165160, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_166092, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x560c892e10d0), i)
   Exit: (234) [system] get_char((0x560c892e10d0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _173442)
   Call: (235) [system] peek_char((0x560c892e10d0), _174376)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_179096, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_180028, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _187378)
   Call: (236) [system] peek_char((0x560c892e10d0), _188312)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_193032, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_193964, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _201314)
   Call: (237) [system] peek_char((0x560c892e10d0), _202248)
   Exit: (237) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _201314=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (236) [system] _187378=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (235) [system] _173442=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (234) [system] _159506=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (233) [system] _145570=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (232) [system] _131634=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (231) [system] _117698=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (230) [system] _103762=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (229) [system] _89826=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _75890=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _61954=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _48018=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _34082=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _20146=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _6210=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5854=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5850=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5846=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5842=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5838=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5834=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _5830=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5826=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5822)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_273952, _273954), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000), _273934, fail)), '$restore_trace'(_273952, _273954))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_273952, _273954))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000), _273934, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_273000)
   Fail: (216) [system] atomic(_273000)
   Call: (216) [system] atom_chars(_273000, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _5822='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _287950)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _289808)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _299402)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _302106)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _319040)
   Exit: (213) [system] peek_char((0x560c892e10d0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _324610)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _326468)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _342478)
   Exit: (214) [system] get_char((0x560c892e10d0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), a, _324610)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _360120)
   Call: (216) [system] peek_char((0x560c892e10d0), _361054)
   Exit: (216) [system] peek_char((0x560c892e10d0), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_365774, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_366706, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x560c892e10d0), b)
   Exit: (216) [system] get_char((0x560c892e10d0), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _374056)
   Call: (217) [system] peek_char((0x560c892e10d0), _374990)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_379710, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_380642, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x560c892e10d0), c)
   Exit: (217) [system] get_char((0x560c892e10d0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _387992)
   Call: (218) [system] peek_char((0x560c892e10d0), _388926)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _387992=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (217) [system] _374056=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (216) [system] _360120=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (215) [user] classify_and_convert_charseq([a, b, c], _324610)
^  Call: (216) [user] classify_and_convert_charseq_([a, b, c], _403798)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_404750, _404752), once(user:catch(read_from_chars([a, b, c], _403798), _404732, fail)), '$restore_trace'(_404750, _404752))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_404750, _404752))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _404732, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (216) [system] integer(abc)
   Fail: (216) [system] integer(abc)
   Call: (216) [system] _324610=abc
   Exit: (216) [system] abc=abc
^  Exit: (215) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _416878)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _418736)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _428330)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _431034)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _447968)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _453538)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _455396)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _471406)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _453538)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _476976)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _492986)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _498556)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _500414)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _516424)
   Exit: (217) [system] get_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', _498556)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _534066)
   Call: (219) [system] peek_char((0x560c892e10d0), _535000)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_539720, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_540652, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _548002)
   Call: (220) [system] peek_char((0x560c892e10d0), _548936)
   Exit: (220) [system] peek_char((0x560c892e10d0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_553656, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_554588, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x560c892e10d0), s)
   Exit: (220) [system] get_char((0x560c892e10d0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _561938)
   Call: (221) [system] peek_char((0x560c892e10d0), _562872)
   Exit: (221) [system] peek_char((0x560c892e10d0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_567592, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_568524, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x560c892e10d0), j)
   Exit: (221) [system] get_char((0x560c892e10d0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _575874)
   Call: (222) [system] peek_char((0x560c892e10d0), _576808)
   Exit: (222) [system] peek_char((0x560c892e10d0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_581528, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_582460, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x560c892e10d0), u)
   Exit: (222) [system] get_char((0x560c892e10d0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _589810)
   Call: (223) [system] peek_char((0x560c892e10d0), _590744)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_595464, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_596396, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _603746)
   Call: (224) [system] peek_char((0x560c892e10d0), _604680)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_609400, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_610332, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _617682)
   Call: (225) [system] peek_char((0x560c892e10d0), _618616)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_623336, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_624268, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _631618)
   Call: (226) [system] peek_char((0x560c892e10d0), _632552)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_637272, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_638204, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _645554)
   Call: (227) [system] peek_char((0x560c892e10d0), _646488)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_651208, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_652140, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _659490)
   Call: (228) [system] peek_char((0x560c892e10d0), _660424)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_665144, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_666076, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _673426)
   Call: (229) [system] peek_char((0x560c892e10d0), _674360)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_679080, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_680012, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x560c892e10d0), 'I')
   Exit: (229) [system] get_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _687362)
   Call: (230) [system] peek_char((0x560c892e10d0), _688296)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_693016, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_693948, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _701298)
   Call: (231) [system] peek_char((0x560c892e10d0), _702232)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_706952, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_707884, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _715234)
   Call: (232) [system] peek_char((0x560c892e10d0), _716168)
   Exit: (232) [system] peek_char((0x560c892e10d0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_720888, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_721820, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x560c892e10d0), r)
   Exit: (232) [system] get_char((0x560c892e10d0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _729170)
   Call: (233) [system] peek_char((0x560c892e10d0), _730104)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_734824, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_735756, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _743106)
   Call: (234) [system] peek_char((0x560c892e10d0), _744040)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_748760, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_749692, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _757042)
   Call: (235) [system] peek_char((0x560c892e10d0), _757976)
   Exit: (235) [system] peek_char((0x560c892e10d0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_762696, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_763628, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x560c892e10d0), u)
   Exit: (235) [system] get_char((0x560c892e10d0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _770978)
   Call: (236) [system] peek_char((0x560c892e10d0), _771912)
   Exit: (236) [system] peek_char((0x560c892e10d0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_776632, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_777564, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x560c892e10d0), c)
   Exit: (236) [system] get_char((0x560c892e10d0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _784914)
   Call: (237) [system] peek_char((0x560c892e10d0), _785848)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_790568, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_791500, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _798850)
   Call: (238) [system] peek_char((0x560c892e10d0), _799784)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_804504, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_805436, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _812786)
   Call: (239) [system] peek_char((0x560c892e10d0), _813720)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_818440, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_819372, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _826722)
   Call: (240) [system] peek_char((0x560c892e10d0), _827656)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_832376, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_833308, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _840658)
   Call: (241) [system] peek_char((0x560c892e10d0), _841592)
   Exit: (241) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _840658=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (240) [system] _826722=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (239) [system] _812786=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (238) [system] _798850=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (237) [system] _784914=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (236) [system] _770978=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (235) [system] _757042=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (234) [system] _743106=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (233) [system] _729170=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _715234=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _701298=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _687362=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _673426=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _659490=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _645554=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _631618=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _617682=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _603746=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _589810=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _575874=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _561938=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _548002=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _534066=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _498556)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_913296, _913298), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344), _913278, fail)), '$restore_trace'(_913296, _913298))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_913296, _913298))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344), _913278, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_912344)
   Fail: (220) [system] atomic(_912344)
   Call: (220) [system] atom_chars(_912344, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _498556='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _927294)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _929152)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _938746)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _941450)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _958384)
   Exit: (217) [system] peek_char((0x560c892e10d0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _963954)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _965812)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _981822)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), c, _963954)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _999464)
   Call: (220) [system] peek_char((0x560c892e10d0), _1000398)
   Exit: (220) [system] peek_char((0x560c892e10d0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1005118, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1006050, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x560c892e10d0), d)
   Exit: (220) [system] get_char((0x560c892e10d0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1013400)
   Call: (221) [system] peek_char((0x560c892e10d0), _1014334)
   Exit: (221) [system] peek_char((0x560c892e10d0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1019054, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1019986, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x560c892e10d0), e)
   Exit: (221) [system] get_char((0x560c892e10d0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1027336)
   Call: (222) [system] peek_char((0x560c892e10d0), _1028270)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1027336=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _1013400=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (220) [system] _999464=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq([c, d, e], _963954)
^  Call: (220) [user] classify_and_convert_charseq_([c, d, e], _1043142)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1044094, _1044096), once(user:catch(read_from_chars([c, d, e], _1043142), _1044076, fail)), '$restore_trace'(_1044094, _1044096))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1044094, _1044096))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1044076, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (220) [system] integer(cde)
   Fail: (220) [system] integer(cde)
   Call: (220) [system] _963954=cde
   Exit: (220) [system] cde=cde
^  Exit: (219) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1056222)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1058080)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1067674)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1070378)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1087312)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1092882)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1094740)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1110750)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), c, _1092882)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1128392)
   Call: (221) [system] peek_char((0x560c892e10d0), _1129326)
   Exit: (221) [system] peek_char((0x560c892e10d0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1134046, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1134978, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x560c892e10d0), d)
   Exit: (221) [system] get_char((0x560c892e10d0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1142328)
   Call: (222) [system] peek_char((0x560c892e10d0), _1143262)
   Exit: (222) [system] peek_char((0x560c892e10d0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1147982, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1148914, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x560c892e10d0), e)
   Exit: (222) [system] get_char((0x560c892e10d0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1156264)
   Call: (223) [system] peek_char((0x560c892e10d0), _1157198)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1161918, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1156264=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1142328=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (221) [system] _1128392=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq([c, d, e], _1092882)
^  Call: (221) [user] classify_and_convert_charseq_([c, d, e], _1173942)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1174894, _1174896), once(user:catch(read_from_chars([c, d, e], _1173942), _1174876, fail)), '$restore_trace'(_1174894, _1174896))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1174894, _1174896))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1174876, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (221) [system] integer(cde)
   Fail: (221) [system] integer(cde)
   Call: (221) [system] _1092882=cde
   Exit: (221) [system] cde=cde
^  Exit: (220) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1187022)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1188880)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1204890)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _1208680)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _1187022=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _1056222=[cde]
   Exit: (218) [system] [cde]=[cde]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (217) [system] _927294=[cde, cde]
   Exit: (217) [system] [cde, cde]=[cde, cde]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [cde, cde])
   Call: (216) [system] _453538=['DisjunctionIntroduction', cde, cde]
   Exit: (216) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, cde])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1222562)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1224420)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1240430)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1244220)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1222562=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _416878=[['DisjunctionIntroduction', cde, cde]]
   Exit: (214) [system] [['DisjunctionIntroduction', cde, cde]]=[['DisjunctionIntroduction', cde, cde]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, cde]])
   Call: (213) [system] _287950=[abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (213) [system] [abc, ['DisjunctionIntroduction', cde, cde]]=[abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', cde, cde]])
   Call: (212) [system] _5816=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1258102)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1259960)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _1269554)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1272258)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1289192)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1294762)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1296620)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1312630)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1294762)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1318200)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1334210)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1339780)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1341638)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1357648)
   Exit: (214) [system] get_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1339780)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1375290)
   Call: (216) [system] peek_char((0x560c892e10d0), _1376224)
   Exit: (216) [system] peek_char((0x560c892e10d0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1380944, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1381876, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x560c892e10d0), r)
   Exit: (216) [system] get_char((0x560c892e10d0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1389226)
   Call: (217) [system] peek_char((0x560c892e10d0), _1390160)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1394880, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1395812, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x560c892e10d0), 'L')
   Exit: (217) [system] get_char((0x560c892e10d0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1403162)
   Call: (218) [system] peek_char((0x560c892e10d0), _1404096)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1408816, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1409748, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1417098)
   Call: (219) [system] peek_char((0x560c892e10d0), _1418032)
   Exit: (219) [system] peek_char((0x560c892e10d0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1422752, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1423684, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x560c892e10d0), n)
   Exit: (219) [system] get_char((0x560c892e10d0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1431034)
   Call: (220) [system] peek_char((0x560c892e10d0), _1431968)
   Exit: (220) [system] peek_char((0x560c892e10d0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1436688, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1437620, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x560c892e10d0), k)
   Exit: (220) [system] get_char((0x560c892e10d0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1444970)
   Call: (221) [system] peek_char((0x560c892e10d0), _1445904)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1444970=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _1431034=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (219) [system] _1417098=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (218) [system] _1403162=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (217) [system] _1389226=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (216) [system] _1375290=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1339780)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1469158)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1470110, _1470112), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1469158), _1470092, fail)), '$restore_trace'(_1470110, _1470112))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1470110, _1470112))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1469158), _1470092, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1469158)
   Fail: (217) [system] atomic(_1469158)
   Call: (217) [system] atom_chars(_1469158, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _1339780='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1484108)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1485966)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1495560)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1498264)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1515198)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1520768)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1522626)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1538636)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1520768)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1544206)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1560216)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1565786)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1567644)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1583654)
   Exit: (217) [system] get_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1565786)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1601296)
   Call: (219) [system] peek_char((0x560c892e10d0), _1602230)
   Exit: (219) [system] peek_char((0x560c892e10d0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1606950, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1607882, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x560c892e10d0), m)
   Exit: (219) [system] get_char((0x560c892e10d0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1615232)
   Call: (220) [system] peek_char((0x560c892e10d0), _1616166)
   Exit: (220) [system] peek_char((0x560c892e10d0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1620886, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1621818, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x560c892e10d0), p)
   Exit: (220) [system] get_char((0x560c892e10d0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1629168)
   Call: (221) [system] peek_char((0x560c892e10d0), _1630102)
   Exit: (221) [system] peek_char((0x560c892e10d0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1634822, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1635754, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x560c892e10d0), l)
   Exit: (221) [system] get_char((0x560c892e10d0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1643104)
   Call: (222) [system] peek_char((0x560c892e10d0), _1644038)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1648758, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1649690, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1657040)
   Call: (223) [system] peek_char((0x560c892e10d0), _1657974)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1662694, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1663626, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1670976)
   Call: (224) [system] peek_char((0x560c892e10d0), _1671910)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1676630, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1677562, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x560c892e10d0), a)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1684912)
   Call: (225) [system] peek_char((0x560c892e10d0), _1685846)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1690566, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1691498, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1698848)
   Call: (226) [system] peek_char((0x560c892e10d0), _1699782)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1704502, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1705434, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1712784)
   Call: (227) [system] peek_char((0x560c892e10d0), _1713718)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1718438, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1719370, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1726720)
   Call: (228) [system] peek_char((0x560c892e10d0), _1727654)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1732374, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1733306, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1740656)
   Call: (229) [system] peek_char((0x560c892e10d0), _1741590)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1740656=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _1726720=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (227) [system] _1712784=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (226) [system] _1698848=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (225) [system] _1684912=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (224) [system] _1670976=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (223) [system] _1657040=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (222) [system] _1643104=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (221) [system] _1629168=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1615232=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1601296=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1565786)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1778814)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1779766, _1779768), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1778814), _1779748, fail)), '$restore_trace'(_1779766, _1779768))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1779766, _1779768))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1778814), _1779748, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1778814)
   Fail: (220) [system] atomic(_1778814)
   Call: (220) [system] atom_chars(_1778814, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _1565786='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1793764)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1795622)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1805216)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1807920)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1824854)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1830424)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1832282)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1848292)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1830424)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1853862)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1869872)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1875442)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1877300)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1893310)
   Exit: (220) [system] get_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1875442)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1910952)
   Call: (222) [system] peek_char((0x560c892e10d0), _1911886)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1916606, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1917538, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924888)
   Call: (223) [system] peek_char((0x560c892e10d0), _1925822)
   Exit: (223) [system] peek_char((0x560c892e10d0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1930542, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1931474, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x560c892e10d0), d)
   Exit: (223) [system] get_char((0x560c892e10d0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1938824)
   Call: (224) [system] peek_char((0x560c892e10d0), _1939758)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1944478, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1945410, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x560c892e10d0), 'L')
   Exit: (224) [system] get_char((0x560c892e10d0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1952760)
   Call: (225) [system] peek_char((0x560c892e10d0), _1953694)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1958414, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1959346, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1966696)
   Call: (226) [system] peek_char((0x560c892e10d0), _1967630)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1972350, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1973282, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1980632)
   Call: (227) [system] peek_char((0x560c892e10d0), _1981566)
   Exit: (227) [system] peek_char((0x560c892e10d0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1986286, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1987218, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x560c892e10d0), k)
   Exit: (227) [system] get_char((0x560c892e10d0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1994568)
   Call: (228) [system] peek_char((0x560c892e10d0), _1995502)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1994568=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1980632=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (226) [system] _1966696=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (225) [system] _1952760=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (224) [system] _1938824=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (223) [system] _1924888=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (222) [system] _1910952=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1875442)
^  Call: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2021550)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_2022502, _2022504), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2021550), _2022484, fail)), '$restore_trace'(_2022502, _2022504))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_2022502, _2022504))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2021550), _2022484, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_2021550)
   Fail: (223) [system] atomic(_2021550)
   Call: (223) [system] atom_chars(_2021550, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (222) [system] integer('AndLink')
   Fail: (222) [system] integer('AndLink')
   Call: (222) [system] _1875442='AndLink'
   Exit: (222) [system] 'AndLink'='AndLink'
^  Exit: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _2036500)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2038358)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _2047952)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2050656)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2067590)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _2073160)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2075018)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _2091028)
   Exit: (221) [system] get_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', _5894)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _17752)
   Call: (223) [system] peek_char((0x560c892e10d0), _18686)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _17752=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _5894)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _27970)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_28922, _28924), once(user:catch(read_from_chars(['A'], _27970), _28904, fail)), '$restore_trace'(_28922, _28924))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_28922, _28924))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _27970), _28904, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_27970)
   Fail: (224) [system] atomic(_27970)
   Call: (224) [system] atom_chars(_27970, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _5894='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _42920)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _44778)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _54372)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _57076)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _74010)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _79580)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _81438)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _97448)
   Exit: (222) [system] get_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'B', _79580)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _115090)
   Call: (224) [system] peek_char((0x560c892e10d0), _116024)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_120744, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _115090=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _79580)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _127180)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_128132, _128134), once(user:catch(read_from_chars(['B'], _127180), _128114, fail)), '$restore_trace'(_128132, _128134))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_128132, _128134))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _127180), _128114, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_127180)
   Fail: (225) [system] atomic(_127180)
   Call: (225) [system] atom_chars(_127180, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _79580='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _142130)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _143988)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _159998)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _163788)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _142130=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _42920=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (220) [system] _5890=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (219) [system] _5882=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _177670)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _179528)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _189122)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _191826)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _208760)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _214330)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _216188)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _232198)
   Exit: (219) [system] get_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'C', _214330)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _249840)
   Call: (221) [system] peek_char((0x560c892e10d0), _250774)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_255494, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _249840=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (220) [user] classify_and_convert_charseq(['C'], _214330)
^  Call: (221) [user] classify_and_convert_charseq_(['C'], _261930)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_262882, _262884), once(user:catch(read_from_chars(['C'], _261930), _262864, fail)), '$restore_trace'(_262882, _262884))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_262882, _262884))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _261930), _262864, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_261930)
   Fail: (222) [system] atomic(_261930)
   Call: (222) [system] atom_chars(_261930, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (221) [system] integer('C')
   Fail: (221) [system] integer('C')
   Call: (221) [system] _214330='C'
   Exit: (221) [system] 'C'='C'
^  Exit: (220) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _276880)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _278738)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _294748)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _298538)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _276880=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _177670=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (217) [system] _5878=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _5870=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _312420)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _314278)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _323872)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _326576)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _343510)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _349080)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _350938)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _366948)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _349080)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _372518)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _388528)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _394098)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _395956)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _411966)
   Exit: (218) [system] get_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', _394098)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _429608)
   Call: (220) [system] peek_char((0x560c892e10d0), _430542)
   Exit: (220) [system] peek_char((0x560c892e10d0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_435262, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_436194, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x560c892e10d0), r)
   Exit: (220) [system] get_char((0x560c892e10d0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _443544)
   Call: (221) [system] peek_char((0x560c892e10d0), _444478)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_449198, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_450130, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x560c892e10d0), 'L')
   Exit: (221) [system] get_char((0x560c892e10d0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _457480)
   Call: (222) [system] peek_char((0x560c892e10d0), _458414)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_463134, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_464066, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _471416)
   Call: (223) [system] peek_char((0x560c892e10d0), _472350)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_477070, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_478002, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _485352)
   Call: (224) [system] peek_char((0x560c892e10d0), _486286)
   Exit: (224) [system] peek_char((0x560c892e10d0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_491006, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_491938, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x560c892e10d0), k)
   Exit: (224) [system] get_char((0x560c892e10d0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _499288)
   Call: (225) [system] peek_char((0x560c892e10d0), _500222)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _499288=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _485352=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (223) [system] _471416=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (222) [system] _457480=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (221) [system] _443544=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (220) [system] _429608=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _394098)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _523476)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_524428, _524430), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _523476), _524410, fail)), '$restore_trace'(_524428, _524430))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_524428, _524430))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _523476), _524410, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_523476)
   Fail: (221) [system] atomic(_523476)
   Call: (221) [system] atom_chars(_523476, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _394098='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _538426)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _540284)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _549878)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _552582)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _569516)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _575086)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _576944)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _592954)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _575086)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _598524)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _614534)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _620104)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _621962)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _637972)
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', _620104)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _655614)
   Call: (223) [system] peek_char((0x560c892e10d0), _656548)
   Exit: (223) [system] peek_char((0x560c892e10d0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_661268, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_662200, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x560c892e10d0), m)
   Exit: (223) [system] get_char((0x560c892e10d0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _669550)
   Call: (224) [system] peek_char((0x560c892e10d0), _670484)
   Exit: (224) [system] peek_char((0x560c892e10d0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_675204, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_676136, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x560c892e10d0), p)
   Exit: (224) [system] get_char((0x560c892e10d0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _683486)
   Call: (225) [system] peek_char((0x560c892e10d0), _684420)
   Exit: (225) [system] peek_char((0x560c892e10d0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_689140, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_690072, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x560c892e10d0), l)
   Exit: (225) [system] get_char((0x560c892e10d0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _697422)
   Call: (226) [system] peek_char((0x560c892e10d0), _698356)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_703076, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_704008, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _711358)
   Call: (227) [system] peek_char((0x560c892e10d0), _712292)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_717012, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_717944, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _725294)
   Call: (228) [system] peek_char((0x560c892e10d0), _726228)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_730948, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_731880, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x560c892e10d0), a)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _739230)
   Call: (229) [system] peek_char((0x560c892e10d0), _740164)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_744884, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_745816, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _753166)
   Call: (230) [system] peek_char((0x560c892e10d0), _754100)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_758820, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_759752, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _767102)
   Call: (231) [system] peek_char((0x560c892e10d0), _768036)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_772756, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_773688, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _781038)
   Call: (232) [system] peek_char((0x560c892e10d0), _781972)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_786692, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_787624, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _794974)
   Call: (233) [system] peek_char((0x560c892e10d0), _795908)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _794974=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _781038=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _767102=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _753166=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _739230=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _725294=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (227) [system] _711358=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (226) [system] _697422=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (225) [system] _683486=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _669550=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _655614=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _620104)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _833132)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_834084, _834086), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _833132), _834066, fail)), '$restore_trace'(_834084, _834086))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_834084, _834086))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _833132), _834066, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_833132)
   Fail: (224) [system] atomic(_833132)
   Call: (224) [system] atom_chars(_833132, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _620104='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _848082)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _849940)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _859534)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _862238)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _879172)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _884742)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _886600)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _902610)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _884742)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _908180)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _924190)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _929760)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _931618)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _947628)
   Exit: (224) [system] get_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', _929760)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _965270)
   Call: (226) [system] peek_char((0x560c892e10d0), _966204)
   Exit: (226) [system] peek_char((0x560c892e10d0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_970924, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_971856, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x560c892e10d0), r)
   Exit: (226) [system] get_char((0x560c892e10d0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _979206)
   Call: (227) [system] peek_char((0x560c892e10d0), _980140)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_984860, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_985792, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _993142)
   Call: (228) [system] peek_char((0x560c892e10d0), _994076)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_998796, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_999728, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1007078)
   Call: (229) [system] peek_char((0x560c892e10d0), _1008012)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1012732, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1013664, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1021014)
   Call: (230) [system] peek_char((0x560c892e10d0), _1021948)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1026668, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1027600, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1034950)
   Call: (231) [system] peek_char((0x560c892e10d0), _1035884)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1034950=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _1021014=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _1007078=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _993142=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _979206=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _965270=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _929760)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1059138)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1060090, _1060092), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1059138), _1060072, fail)), '$restore_trace'(_1060090, _1060092))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1060090, _1060092))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1059138), _1060072, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1059138)
   Fail: (227) [system] atomic(_1059138)
   Call: (227) [system] atom_chars(_1059138, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _929760='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1074088)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1075946)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1085540)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1088244)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1105178)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1110748)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1112606)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1128616)
   Exit: (225) [system] get_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1110748)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1146258)
   Call: (227) [system] peek_char((0x560c892e10d0), _1147192)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1146258=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _1110748)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _1156476)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1157428, _1157430), once(user:catch(read_from_chars(['C'], _1156476), _1157410, fail)), '$restore_trace'(_1157428, _1157430))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1157428, _1157430))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1156476), _1157410, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1156476)
   Fail: (228) [system] atomic(_1156476)
   Call: (228) [system] atom_chars(_1156476, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _1110748='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1171426)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1173284)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1182878)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1185582)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1202516)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1208086)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1209944)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1225954)
   Exit: (226) [system] get_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1208086)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1243596)
   Call: (228) [system] peek_char((0x560c892e10d0), _1244530)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1249250, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1243596=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['D'], _1208086)
^  Call: (228) [user] classify_and_convert_charseq_(['D'], _1255686)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1256638, _1256640), once(user:catch(read_from_chars(['D'], _1255686), _1256620, fail)), '$restore_trace'(_1256638, _1256640))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1256638, _1256640))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1255686), _1256620, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1255686)
   Fail: (229) [system] atomic(_1255686)
   Call: (229) [system] atom_chars(_1255686, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (228) [system] integer('D')
   Fail: (228) [system] integer('D')
   Call: (228) [system] _1208086='D'
   Exit: (228) [system] 'D'='D'
^  Exit: (227) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1270636)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1272494)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1288504)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1292294)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1270636=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _1171426=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (224) [system] _1074088=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (223) [system] _884742=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1306176)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1308034)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1317628)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1320332)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1337266)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1342836)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1344694)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1360704)
   Exit: (223) [system] get_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1342836)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1378346)
   Call: (225) [system] peek_char((0x560c892e10d0), _1379280)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1384000, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1378346=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['E'], _1342836)
^  Call: (225) [user] classify_and_convert_charseq_(['E'], _1390436)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1391388, _1391390), once(user:catch(read_from_chars(['E'], _1390436), _1391370, fail)), '$restore_trace'(_1391388, _1391390))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1391388, _1391390))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1390436), _1391370, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1390436)
   Fail: (226) [system] atomic(_1390436)
   Call: (226) [system] atom_chars(_1390436, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (225) [system] integer('E')
   Fail: (225) [system] integer('E')
   Call: (225) [system] _1342836='E'
   Exit: (225) [system] 'E'='E'
^  Exit: (224) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1405386)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1407244)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1423254)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1427044)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1405386=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1306176=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (221) [system] _848082=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _575086=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1440926)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1442784)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1452378)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1455082)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1472016)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1477586)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1479444)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1495454)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1477586)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1501024)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1517034)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1522604)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1524462)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1540472)
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1522604)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1558114)
   Call: (224) [system] peek_char((0x560c892e10d0), _1559048)
   Exit: (224) [system] peek_char((0x560c892e10d0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1563768, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1564700, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x560c892e10d0), m)
   Exit: (224) [system] get_char((0x560c892e10d0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1572050)
   Call: (225) [system] peek_char((0x560c892e10d0), _1572984)
   Exit: (225) [system] peek_char((0x560c892e10d0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1577704, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1578636, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x560c892e10d0), p)
   Exit: (225) [system] get_char((0x560c892e10d0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1585986)
   Call: (226) [system] peek_char((0x560c892e10d0), _1586920)
   Exit: (226) [system] peek_char((0x560c892e10d0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1591640, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1592572, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x560c892e10d0), l)
   Exit: (226) [system] get_char((0x560c892e10d0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599922)
   Call: (227) [system] peek_char((0x560c892e10d0), _1600856)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1605576, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1606508, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1613858)
   Call: (228) [system] peek_char((0x560c892e10d0), _1614792)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1619512, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1620444, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1627794)
   Call: (229) [system] peek_char((0x560c892e10d0), _1628728)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1633448, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1634380, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x560c892e10d0), a)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641730)
   Call: (230) [system] peek_char((0x560c892e10d0), _1642664)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1647384, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1648316, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655666)
   Call: (231) [system] peek_char((0x560c892e10d0), _1656600)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1661320, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1662252, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669602)
   Call: (232) [system] peek_char((0x560c892e10d0), _1670536)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1675256, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1676188, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683538)
   Call: (233) [system] peek_char((0x560c892e10d0), _1684472)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1689192, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1690124, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697474)
   Call: (234) [system] peek_char((0x560c892e10d0), _1698408)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1697474=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _1683538=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _1669602=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _1655666=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _1641730=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _1627794=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (228) [system] _1613858=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (227) [system] _1599922=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1585986=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1572050=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1558114=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1522604)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1735632)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1736584, _1736586), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1735632), _1736566, fail)), '$restore_trace'(_1736584, _1736586))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1736584, _1736586))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1735632), _1736566, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1735632)
   Fail: (225) [system] atomic(_1735632)
   Call: (225) [system] atom_chars(_1735632, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _1522604='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1750582)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1752440)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1762034)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1764738)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1781672)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1787242)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1789100)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1805110)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1787242)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1810680)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1826690)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1832260)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1834118)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1850128)
   Exit: (225) [system] get_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1832260)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1867770)
   Call: (227) [system] peek_char((0x560c892e10d0), _1868704)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1873424, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1874356, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1881706)
   Call: (228) [system] peek_char((0x560c892e10d0), _1882640)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1887360, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1888292, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1895642)
   Call: (229) [system] peek_char((0x560c892e10d0), _1896576)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1901296, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1902228, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1909578)
   Call: (230) [system] peek_char((0x560c892e10d0), _1910512)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1915232, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1916164, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1923514)
   Call: (231) [system] peek_char((0x560c892e10d0), _1924448)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1929168, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1930100, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1937450)
   Call: (232) [system] peek_char((0x560c892e10d0), _1938384)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1937450=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1923514=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1909578=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1895642=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1881706=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1867770=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1832260)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1961638)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1962590, _1962592), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961638), _1962572, fail)), '$restore_trace'(_1962590, _1962592))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1962590, _1962592))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961638), _1962572, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1961638)
   Fail: (228) [system] atomic(_1961638)
   Call: (228) [system] atom_chars(_1961638, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1832260='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1976588)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1978446)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1988040)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1990744)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2007678)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _2013248)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2015106)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _2031116)
   Exit: (226) [system] get_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', _2013248)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2048758)
   Call: (228) [system] peek_char((0x560c892e10d0), _2049692)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _2048758=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _2013248)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _2058976)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2059928, _2059930), once(user:catch(read_from_chars(['C'], _2058976), _2059910, fail)), '$restore_trace'(_2059928, _2059930))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2059928, _2059930))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2058976), _2059910, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_2058976)
   Fail: (229) [system] atomic(_2058976)
   Call: (229) [system] atom_chars(_2058976, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _2013248='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _2073926)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2075784)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _2085378)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _2088082)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _14768)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _20338)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _22196)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _38206)
   Exit: (227) [system] get_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', _20338)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _55848)
   Call: (229) [system] peek_char((0x560c892e10d0), _56782)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_61502, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _55848=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['D'], _20338)
^  Call: (229) [user] classify_and_convert_charseq_(['D'], _67938)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_68890, _68892), once(user:catch(read_from_chars(['D'], _67938), _68872, fail)), '$restore_trace'(_68890, _68892))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_68890, _68892))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _67938), _68872, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_67938)
   Fail: (230) [system] atomic(_67938)
   Call: (230) [system] atom_chars(_67938, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (229) [system] integer('D')
   Fail: (229) [system] integer('D')
   Call: (229) [system] _20338='D'
   Exit: (229) [system] 'D'='D'
^  Exit: (228) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _82888)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _84746)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _100756)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _104546)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _82888=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _5992=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (225) [system] _5986=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (224) [system] _5978=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _118428)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _120286)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _129880)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _132584)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _149518)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _155088)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _156946)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _172956)
   Exit: (224) [system] get_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'E', _155088)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _190598)
   Call: (226) [system] peek_char((0x560c892e10d0), _191532)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_196252, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _190598=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['E'], _155088)
^  Call: (226) [user] classify_and_convert_charseq_(['E'], _202688)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_203640, _203642), once(user:catch(read_from_chars(['E'], _202688), _203622, fail)), '$restore_trace'(_203640, _203642))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_203640, _203642))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _202688), _203622, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_202688)
   Fail: (227) [system] atomic(_202688)
   Call: (227) [system] atom_chars(_202688, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (226) [system] integer('E')
   Fail: (226) [system] integer('E')
   Call: (226) [system] _155088='E'
   Exit: (226) [system] 'E'='E'
^  Exit: (225) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _217638)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _219496)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _235506)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _239296)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _217638=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _118428=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (222) [system] _5974=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _5966=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _253178)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _255036)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _271046)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _274836)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _253178=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _5962=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (218) [system] _5920=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5912=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _288718)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _290576)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _306586)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _310376)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _288718=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _5908=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (214) [system] _5866=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5858=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _324258)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _326116)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _342126)
   Exit: (212) [system] peek_char((0x560c892e10d0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x560c892e10d0), _345916)
   Exit: (212) [system] get_char((0x560c892e10d0), ')')
   Call: (212) [system] _324258=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [])
   Call: (211) [system] _5854=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (210) [system] _5812=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (209) [system] _5804=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (209) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (208) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (207) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (207) [user] read_list(')', (0x560c892e10d0), _359798)
^  Call: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _361656)
   Exit: (209) [system] peek_char((0x560c892e10d0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x560c892e10d0), _373106)
   Exit: (209) [system] get_char((0x560c892e10d0), '\n')
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _375810)
   Exit: (210) [system] peek_char((0x560c892e10d0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x560c892e10d0), _385404)
   Exit: (210) [system] get_char((0x560c892e10d0), ' ')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _388108)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
^  Exit: (208) [user] skip_spaces((0x560c892e10d0))
   Call: (208) [system] peek_char((0x560c892e10d0), _405966)
   Exit: (208) [system] peek_char((0x560c892e10d0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x560c892e10d0), _411536)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _413394)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] get_char((0x560c892e10d0), _429404)
   Exit: (209) [system] get_char((0x560c892e10d0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _411536)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _434974)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _450984)
   Exit: (210) [system] peek_char((0x560c892e10d0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _456554)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _458412)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _474422)
   Exit: (211) [system] get_char((0x560c892e10d0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x560c892e10d0), :, _456554)
^  Call: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), _492064)
   Call: (213) [system] peek_char((0x560c892e10d0), _492998)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _492064=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _456554)
^  Call: (213) [user] classify_and_convert_charseq_([:], _502282)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_503234, _503236), once(user:catch(read_from_chars([:], _502282), _503216, fail)), '$restore_trace'(_503234, _503236))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_503234, _503236))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _503216, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _456554=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _515362)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _517220)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _526814)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _529518)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _546452)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _552022)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _553880)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _569890)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _552022)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _575460)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _591470)
   Exit: (213) [system] peek_char((0x560c892e10d0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _597040)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _598898)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _614908)
   Exit: (214) [system] get_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', _597040)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _632550)
   Call: (216) [system] peek_char((0x560c892e10d0), _633484)
   Exit: (216) [system] peek_char((0x560c892e10d0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_638204, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_639136, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x560c892e10d0), i)
   Exit: (216) [system] get_char((0x560c892e10d0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _646486)
   Call: (217) [system] peek_char((0x560c892e10d0), _647420)
   Exit: (217) [system] peek_char((0x560c892e10d0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_652140, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_653072, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x560c892e10d0), s)
   Exit: (217) [system] get_char((0x560c892e10d0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _660422)
   Call: (218) [system] peek_char((0x560c892e10d0), _661356)
   Exit: (218) [system] peek_char((0x560c892e10d0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_666076, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_667008, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x560c892e10d0), j)
   Exit: (218) [system] get_char((0x560c892e10d0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _674358)
   Call: (219) [system] peek_char((0x560c892e10d0), _675292)
   Exit: (219) [system] peek_char((0x560c892e10d0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_680012, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_680944, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x560c892e10d0), u)
   Exit: (219) [system] get_char((0x560c892e10d0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _688294)
   Call: (220) [system] peek_char((0x560c892e10d0), _689228)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_693948, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_694880, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _702230)
   Call: (221) [system] peek_char((0x560c892e10d0), _703164)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_707884, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_708816, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _716166)
   Call: (222) [system] peek_char((0x560c892e10d0), _717100)
   Exit: (222) [system] peek_char((0x560c892e10d0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_721820, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_722752, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x560c892e10d0), t)
   Exit: (222) [system] get_char((0x560c892e10d0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _730102)
   Call: (223) [system] peek_char((0x560c892e10d0), _731036)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_735756, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_736688, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _744038)
   Call: (224) [system] peek_char((0x560c892e10d0), _744972)
   Exit: (224) [system] peek_char((0x560c892e10d0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_749692, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_750624, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x560c892e10d0), o)
   Exit: (224) [system] get_char((0x560c892e10d0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _757974)
   Call: (225) [system] peek_char((0x560c892e10d0), _758908)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_763628, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_764560, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _771910)
   Call: (226) [system] peek_char((0x560c892e10d0), _772844)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_777564, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_778496, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x560c892e10d0), 'I')
   Exit: (226) [system] get_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _785846)
   Call: (227) [system] peek_char((0x560c892e10d0), _786780)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_791500, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_792432, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _799782)
   Call: (228) [system] peek_char((0x560c892e10d0), _800716)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_805436, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_806368, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _813718)
   Call: (229) [system] peek_char((0x560c892e10d0), _814652)
   Exit: (229) [system] peek_char((0x560c892e10d0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_819372, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_820304, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x560c892e10d0), r)
   Exit: (229) [system] get_char((0x560c892e10d0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _827654)
   Call: (230) [system] peek_char((0x560c892e10d0), _828588)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_833308, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_834240, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _841590)
   Call: (231) [system] peek_char((0x560c892e10d0), _842524)
   Exit: (231) [system] peek_char((0x560c892e10d0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_847244, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_848176, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x560c892e10d0), d)
   Exit: (231) [system] get_char((0x560c892e10d0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _855526)
   Call: (232) [system] peek_char((0x560c892e10d0), _856460)
   Exit: (232) [system] peek_char((0x560c892e10d0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_861180, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_862112, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x560c892e10d0), u)
   Exit: (232) [system] get_char((0x560c892e10d0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _869462)
   Call: (233) [system] peek_char((0x560c892e10d0), _870396)
   Exit: (233) [system] peek_char((0x560c892e10d0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_875116, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_876048, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x560c892e10d0), c)
   Exit: (233) [system] get_char((0x560c892e10d0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _883398)
   Call: (234) [system] peek_char((0x560c892e10d0), _884332)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_889052, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_889984, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _897334)
   Call: (235) [system] peek_char((0x560c892e10d0), _898268)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_902988, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_903920, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _911270)
   Call: (236) [system] peek_char((0x560c892e10d0), _912204)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_916924, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_917856, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _925206)
   Call: (237) [system] peek_char((0x560c892e10d0), _926140)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_930860, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_931792, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _939142)
   Call: (238) [system] peek_char((0x560c892e10d0), _940076)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _939142=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _925206=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (236) [system] _911270=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (235) [system] _897334=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (234) [system] _883398=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (233) [system] _869462=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (232) [system] _855526=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (231) [system] _841590=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (230) [system] _827654=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _813718=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _799782=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _785846=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _771910=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _757974=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _744038=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _730102=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _716166=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _702230=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _688294=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _674358=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _660422=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _646486=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _632550=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _597040)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1011780, _1011782), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828), _1011762, fail)), '$restore_trace'(_1011780, _1011782))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1011780, _1011782))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828), _1011762, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1010828)
   Fail: (217) [system] atomic(_1010828)
   Call: (217) [system] atom_chars(_1010828, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _597040='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1025778)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1027636)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1037230)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1039934)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1056868)
   Exit: (214) [system] peek_char((0x560c892e10d0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1062438)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1064296)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1080306)
   Exit: (215) [system] get_char((0x560c892e10d0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), a, _1062438)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1097948)
   Call: (217) [system] peek_char((0x560c892e10d0), _1098882)
   Exit: (217) [system] peek_char((0x560c892e10d0), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_1103602, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_1104534, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x560c892e10d0), b)
   Exit: (217) [system] get_char((0x560c892e10d0), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1111884)
   Call: (218) [system] peek_char((0x560c892e10d0), _1112818)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1117538, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1118470, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x560c892e10d0), c)
   Exit: (218) [system] get_char((0x560c892e10d0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1125820)
   Call: (219) [system] peek_char((0x560c892e10d0), _1126754)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1125820=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (218) [system] _1111884=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (217) [system] _1097948=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (216) [user] classify_and_convert_charseq([a, b, c], _1062438)
^  Call: (217) [user] classify_and_convert_charseq_([a, b, c], _1141626)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1142578, _1142580), once(user:catch(read_from_chars([a, b, c], _1141626), _1142560, fail)), '$restore_trace'(_1142578, _1142580))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1142578, _1142580))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1142560, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (217) [system] integer(abc)
   Fail: (217) [system] integer(abc)
   Call: (217) [system] _1062438=abc
   Exit: (217) [system] abc=abc
^  Exit: (216) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1154706)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1156564)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1166158)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1168862)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1185796)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1191366)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1193224)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1209234)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1191366)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1214804)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1230814)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1236384)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1238242)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1254252)
   Exit: (218) [system] get_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1236384)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1271894)
   Call: (220) [system] peek_char((0x560c892e10d0), _1272828)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1277548, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1278480, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1285830)
   Call: (221) [system] peek_char((0x560c892e10d0), _1286764)
   Exit: (221) [system] peek_char((0x560c892e10d0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1291484, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1292416, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x560c892e10d0), s)
   Exit: (221) [system] get_char((0x560c892e10d0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1299766)
   Call: (222) [system] peek_char((0x560c892e10d0), _1300700)
   Exit: (222) [system] peek_char((0x560c892e10d0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1305420, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1306352, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x560c892e10d0), j)
   Exit: (222) [system] get_char((0x560c892e10d0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1313702)
   Call: (223) [system] peek_char((0x560c892e10d0), _1314636)
   Exit: (223) [system] peek_char((0x560c892e10d0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1319356, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1320288, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x560c892e10d0), u)
   Exit: (223) [system] get_char((0x560c892e10d0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1327638)
   Call: (224) [system] peek_char((0x560c892e10d0), _1328572)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1333292, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1334224, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1341574)
   Call: (225) [system] peek_char((0x560c892e10d0), _1342508)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1347228, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1348160, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1355510)
   Call: (226) [system] peek_char((0x560c892e10d0), _1356444)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1361164, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1362096, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1369446)
   Call: (227) [system] peek_char((0x560c892e10d0), _1370380)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1375100, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1376032, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1383382)
   Call: (228) [system] peek_char((0x560c892e10d0), _1384316)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1389036, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1389968, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1397318)
   Call: (229) [system] peek_char((0x560c892e10d0), _1398252)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1402972, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1403904, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1411254)
   Call: (230) [system] peek_char((0x560c892e10d0), _1412188)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1416908, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1417840, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x560c892e10d0), 'I')
   Exit: (230) [system] get_char((0x560c892e10d0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1425190)
   Call: (231) [system] peek_char((0x560c892e10d0), _1426124)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1430844, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1431776, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1439126)
   Call: (232) [system] peek_char((0x560c892e10d0), _1440060)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1444780, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1445712, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1453062)
   Call: (233) [system] peek_char((0x560c892e10d0), _1453996)
   Exit: (233) [system] peek_char((0x560c892e10d0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1458716, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1459648, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x560c892e10d0), r)
   Exit: (233) [system] get_char((0x560c892e10d0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1466998)
   Call: (234) [system] peek_char((0x560c892e10d0), _1467932)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1472652, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1473584, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1480934)
   Call: (235) [system] peek_char((0x560c892e10d0), _1481868)
   Exit: (235) [system] peek_char((0x560c892e10d0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1486588, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1487520, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x560c892e10d0), d)
   Exit: (235) [system] get_char((0x560c892e10d0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1494870)
   Call: (236) [system] peek_char((0x560c892e10d0), _1495804)
   Exit: (236) [system] peek_char((0x560c892e10d0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1500524, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1501456, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x560c892e10d0), u)
   Exit: (236) [system] get_char((0x560c892e10d0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508806)
   Call: (237) [system] peek_char((0x560c892e10d0), _1509740)
   Exit: (237) [system] peek_char((0x560c892e10d0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1514460, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1515392, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x560c892e10d0), c)
   Exit: (237) [system] get_char((0x560c892e10d0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522742)
   Call: (238) [system] peek_char((0x560c892e10d0), _1523676)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1528396, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1529328, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536678)
   Call: (239) [system] peek_char((0x560c892e10d0), _1537612)
   Exit: (239) [system] peek_char((0x560c892e10d0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1542332, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1543264, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x560c892e10d0), i)
   Exit: (239) [system] get_char((0x560c892e10d0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1550614)
   Call: (240) [system] peek_char((0x560c892e10d0), _1551548)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1556268, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1557200, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1564550)
   Call: (241) [system] peek_char((0x560c892e10d0), _1565484)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1570204, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1571136, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1578486)
   Call: (242) [system] peek_char((0x560c892e10d0), _1579420)
   Exit: (242) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1578486=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (241) [system] _1564550=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (240) [system] _1550614=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (239) [system] _1536678=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (238) [system] _1522742=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (237) [system] _1508806=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (236) [system] _1494870=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (235) [system] _1480934=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (234) [system] _1466998=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1453062=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1439126=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1425190=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1411254=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1397318=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1383382=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1369446=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1355510=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1341574=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1327638=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1313702=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1299766=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1285830=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1271894=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1236384)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1651124, _1651126), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172), _1651106, fail)), '$restore_trace'(_1651124, _1651126))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1651124, _1651126))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172), _1651106, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1650172)
   Fail: (221) [system] atomic(_1650172)
   Call: (221) [system] atom_chars(_1650172, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _1236384='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1665122)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1666980)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1676574)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1679278)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1696212)
   Exit: (218) [system] peek_char((0x560c892e10d0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1701782)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1703640)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1719650)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), c, _1701782)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1737292)
   Call: (221) [system] peek_char((0x560c892e10d0), _1738226)
   Exit: (221) [system] peek_char((0x560c892e10d0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1742946, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1743878, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x560c892e10d0), d)
   Exit: (221) [system] get_char((0x560c892e10d0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1751228)
   Call: (222) [system] peek_char((0x560c892e10d0), _1752162)
   Exit: (222) [system] peek_char((0x560c892e10d0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1756882, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1757814, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x560c892e10d0), e)
   Exit: (222) [system] get_char((0x560c892e10d0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1765164)
   Call: (223) [system] peek_char((0x560c892e10d0), _1766098)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1765164=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1751228=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (221) [system] _1737292=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq([c, d, e], _1701782)
^  Call: (221) [user] classify_and_convert_charseq_([c, d, e], _1780970)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1781922, _1781924), once(user:catch(read_from_chars([c, d, e], _1780970), _1781904, fail)), '$restore_trace'(_1781922, _1781924))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1781922, _1781924))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1781904, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (221) [system] integer(cde)
   Fail: (221) [system] integer(cde)
   Call: (221) [system] _1701782=cde
   Exit: (221) [system] cde=cde
^  Exit: (220) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1794050)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1795908)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1805502)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1808206)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1825140)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1830710)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1832568)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1848578)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), a, _1830710)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1866220)
   Call: (222) [system] peek_char((0x560c892e10d0), _1867154)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1871874, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1866220=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _1830710)
^  Call: (222) [user] classify_and_convert_charseq_([a], _1878310)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1879262, _1879264), once(user:catch(read_from_chars([a], _1878310), _1879244, fail)), '$restore_trace'(_1879262, _1879264))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1879262, _1879264))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1879244, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _1830710=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1891390)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1893248)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1909258)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1913048)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1891390=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _1794050=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (218) [system] _1665122=[cde, a]
   Exit: (218) [system] [cde, a]=[cde, a]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [cde, a])
   Call: (217) [system] _1191366=['DisjunctionIntroduction', cde, a]
   Exit: (217) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', cde, a])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1926930)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1928788)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1944798)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1948588)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1926930=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _1154706=[['DisjunctionIntroduction', cde, a]]
   Exit: (215) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', cde, a]])
   Call: (214) [system] _1025778=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (214) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (213) [system] _552022=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1962470)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1964328)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1973922)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1976626)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1993560)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1999130)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _2000988)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _2016998)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1999130)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _2022568)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _2038578)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _2044148)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _2046006)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _2062016)
   Exit: (215) [system] get_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'O', _2044148)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _2079658)
   Call: (217) [system] peek_char((0x560c892e10d0), _2080592)
   Exit: (217) [system] peek_char((0x560c892e10d0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_2085312, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_2086244, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x560c892e10d0), r)
   Exit: (217) [system] get_char((0x560c892e10d0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _2093594)
   Call: (218) [system] peek_char((0x560c892e10d0), _2094528)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_8592, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_9524, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x560c892e10d0), 'L')
   Exit: (218) [system] get_char((0x560c892e10d0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _16874)
   Call: (219) [system] peek_char((0x560c892e10d0), _17808)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_22528, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_23460, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _30810)
   Call: (220) [system] peek_char((0x560c892e10d0), _31744)
   Exit: (220) [system] peek_char((0x560c892e10d0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_36464, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_37396, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x560c892e10d0), n)
   Exit: (220) [system] get_char((0x560c892e10d0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _44746)
   Call: (221) [system] peek_char((0x560c892e10d0), _45680)
   Exit: (221) [system] peek_char((0x560c892e10d0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_50400, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_51332, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x560c892e10d0), k)
   Exit: (221) [system] get_char((0x560c892e10d0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _58682)
   Call: (222) [system] peek_char((0x560c892e10d0), _59616)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _58682=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _44746=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (220) [system] _30810=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (219) [system] _16874=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (218) [system] _6076=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (217) [system] _6072=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _6068)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _82870)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_83822, _83824), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82870), _83804, fail)), '$restore_trace'(_83822, _83824))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_83822, _83824))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82870), _83804, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_82870)
   Fail: (218) [system] atomic(_82870)
   Call: (218) [system] atom_chars(_82870, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _6068='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _97820)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _99678)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _109272)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _111976)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _128910)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _134480)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _136338)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _152348)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _134480)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _157918)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _173928)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _179498)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _181356)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _197366)
   Exit: (218) [system] get_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'I', _179498)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _215008)
   Call: (220) [system] peek_char((0x560c892e10d0), _215942)
   Exit: (220) [system] peek_char((0x560c892e10d0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_220662, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_221594, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x560c892e10d0), m)
   Exit: (220) [system] get_char((0x560c892e10d0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _228944)
   Call: (221) [system] peek_char((0x560c892e10d0), _229878)
   Exit: (221) [system] peek_char((0x560c892e10d0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_234598, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_235530, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x560c892e10d0), p)
   Exit: (221) [system] get_char((0x560c892e10d0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _242880)
   Call: (222) [system] peek_char((0x560c892e10d0), _243814)
   Exit: (222) [system] peek_char((0x560c892e10d0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_248534, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_249466, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x560c892e10d0), l)
   Exit: (222) [system] get_char((0x560c892e10d0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _256816)
   Call: (223) [system] peek_char((0x560c892e10d0), _257750)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_262470, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_263402, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _270752)
   Call: (224) [system] peek_char((0x560c892e10d0), _271686)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_276406, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_277338, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _284688)
   Call: (225) [system] peek_char((0x560c892e10d0), _285622)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_290342, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_291274, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x560c892e10d0), a)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _298624)
   Call: (226) [system] peek_char((0x560c892e10d0), _299558)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_304278, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_305210, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _312560)
   Call: (227) [system] peek_char((0x560c892e10d0), _313494)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_318214, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_319146, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _326496)
   Call: (228) [system] peek_char((0x560c892e10d0), _327430)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_332150, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_333082, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _340432)
   Call: (229) [system] peek_char((0x560c892e10d0), _341366)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_346086, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_347018, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _354368)
   Call: (230) [system] peek_char((0x560c892e10d0), _355302)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _354368=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _340432=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (228) [system] _326496=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (227) [system] _312560=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (226) [system] _298624=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (225) [system] _284688=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (224) [system] _270752=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (223) [system] _256816=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (222) [system] _242880=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _228944=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _215008=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _179498)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _392526)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_393478, _393480), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _392526), _393460, fail)), '$restore_trace'(_393478, _393480))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_393478, _393480))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _392526), _393460, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_392526)
   Fail: (221) [system] atomic(_392526)
   Call: (221) [system] atom_chars(_392526, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _179498='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _407476)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _409334)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _418928)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _421632)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _438566)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _444136)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _445994)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _462004)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _444136)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _467574)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _483584)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _489154)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _491012)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _507022)
   Exit: (221) [system] get_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', _489154)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _524664)
   Call: (223) [system] peek_char((0x560c892e10d0), _525598)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_530318, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_531250, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _538600)
   Call: (224) [system] peek_char((0x560c892e10d0), _539534)
   Exit: (224) [system] peek_char((0x560c892e10d0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_544254, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_545186, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x560c892e10d0), d)
   Exit: (224) [system] get_char((0x560c892e10d0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _552536)
   Call: (225) [system] peek_char((0x560c892e10d0), _553470)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_558190, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_559122, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x560c892e10d0), 'L')
   Exit: (225) [system] get_char((0x560c892e10d0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _566472)
   Call: (226) [system] peek_char((0x560c892e10d0), _567406)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_572126, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_573058, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _580408)
   Call: (227) [system] peek_char((0x560c892e10d0), _581342)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_586062, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_586994, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _594344)
   Call: (228) [system] peek_char((0x560c892e10d0), _595278)
   Exit: (228) [system] peek_char((0x560c892e10d0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_599998, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_600930, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x560c892e10d0), k)
   Exit: (228) [system] get_char((0x560c892e10d0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _608280)
   Call: (229) [system] peek_char((0x560c892e10d0), _609214)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _608280=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _594344=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (227) [system] _580408=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (226) [system] _566472=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (225) [system] _552536=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (224) [system] _538600=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (223) [system] _524664=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _489154)
^  Call: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _635262)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_636214, _636216), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _635262), _636196, fail)), '$restore_trace'(_636214, _636216))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_636214, _636216))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _635262), _636196, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_635262)
   Fail: (224) [system] atomic(_635262)
   Call: (224) [system] atom_chars(_635262, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (223) [system] integer('AndLink')
   Fail: (223) [system] integer('AndLink')
   Call: (223) [system] _489154='AndLink'
   Exit: (223) [system] 'AndLink'='AndLink'
^  Exit: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _650212)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _652070)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _661664)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _664368)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _681302)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _686872)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _688730)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _704740)
   Exit: (222) [system] get_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', _686872)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _722382)
   Call: (224) [system] peek_char((0x560c892e10d0), _723316)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _722382=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _686872)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _732600)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_733552, _733554), once(user:catch(read_from_chars(['A'], _732600), _733534, fail)), '$restore_trace'(_733552, _733554))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_733552, _733554))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _732600), _733534, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_732600)
   Fail: (225) [system] atomic(_732600)
   Call: (225) [system] atom_chars(_732600, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _686872='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _747550)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _749408)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _759002)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _761706)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _778640)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _784210)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _786068)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _802078)
   Exit: (223) [system] get_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'B', _784210)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _819720)
   Call: (225) [system] peek_char((0x560c892e10d0), _820654)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_825374, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _819720=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _784210)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _831810)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_832762, _832764), once(user:catch(read_from_chars(['B'], _831810), _832744, fail)), '$restore_trace'(_832762, _832764))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_832762, _832764))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _831810), _832744, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_831810)
   Fail: (226) [system] atomic(_831810)
   Call: (226) [system] atom_chars(_831810, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _784210='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _846760)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _848618)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _864628)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _868418)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _846760=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _747550=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (221) [system] _650212=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (220) [system] _444136=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _882300)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _884158)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _893752)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _896456)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _913390)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _918960)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _920818)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _936828)
   Exit: (220) [system] get_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'C', _918960)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _954470)
   Call: (222) [system] peek_char((0x560c892e10d0), _955404)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_960124, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _954470=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq(['C'], _918960)
^  Call: (222) [user] classify_and_convert_charseq_(['C'], _966560)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_967512, _967514), once(user:catch(read_from_chars(['C'], _966560), _967494, fail)), '$restore_trace'(_967512, _967514))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_967512, _967514))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _966560), _967494, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_966560)
   Fail: (223) [system] atomic(_966560)
   Call: (223) [system] atom_chars(_966560, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (222) [system] integer('C')
   Fail: (222) [system] integer('C')
   Call: (222) [system] _918960='C'
   Exit: (222) [system] 'C'='C'
^  Exit: (221) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _981510)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _983368)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _999378)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1003168)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _981510=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _882300=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (218) [system] _407476=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _134480=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1017050)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1018908)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1028502)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1031206)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1048140)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1053710)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1055568)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1071578)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1053710)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1077148)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1093158)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1098728)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1100586)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1116596)
   Exit: (219) [system] get_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1098728)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1134238)
   Call: (221) [system] peek_char((0x560c892e10d0), _1135172)
   Exit: (221) [system] peek_char((0x560c892e10d0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1139892, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1140824, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x560c892e10d0), r)
   Exit: (221) [system] get_char((0x560c892e10d0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1148174)
   Call: (222) [system] peek_char((0x560c892e10d0), _1149108)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1153828, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1154760, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x560c892e10d0), 'L')
   Exit: (222) [system] get_char((0x560c892e10d0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1162110)
   Call: (223) [system] peek_char((0x560c892e10d0), _1163044)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1167764, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1168696, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1176046)
   Call: (224) [system] peek_char((0x560c892e10d0), _1176980)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1181700, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1182632, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1189982)
   Call: (225) [system] peek_char((0x560c892e10d0), _1190916)
   Exit: (225) [system] peek_char((0x560c892e10d0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1195636, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1196568, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x560c892e10d0), k)
   Exit: (225) [system] get_char((0x560c892e10d0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1203918)
   Call: (226) [system] peek_char((0x560c892e10d0), _1204852)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1203918=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _1189982=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (224) [system] _1176046=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (223) [system] _1162110=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (222) [system] _1148174=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (221) [system] _1134238=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1098728)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1228106)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1229058, _1229060), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1228106), _1229040, fail)), '$restore_trace'(_1229058, _1229060))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1229058, _1229060))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1228106), _1229040, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1228106)
   Fail: (222) [system] atomic(_1228106)
   Call: (222) [system] atom_chars(_1228106, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _1098728='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1243056)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1244914)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1254508)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1257212)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1274146)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1279716)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1281574)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1297584)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1279716)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1303154)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1319164)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1324734)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1326592)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1342602)
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1324734)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1360244)
   Call: (224) [system] peek_char((0x560c892e10d0), _1361178)
   Exit: (224) [system] peek_char((0x560c892e10d0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1365898, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1366830, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x560c892e10d0), m)
   Exit: (224) [system] get_char((0x560c892e10d0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1374180)
   Call: (225) [system] peek_char((0x560c892e10d0), _1375114)
   Exit: (225) [system] peek_char((0x560c892e10d0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1379834, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1380766, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x560c892e10d0), p)
   Exit: (225) [system] get_char((0x560c892e10d0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1388116)
   Call: (226) [system] peek_char((0x560c892e10d0), _1389050)
   Exit: (226) [system] peek_char((0x560c892e10d0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1393770, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1394702, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x560c892e10d0), l)
   Exit: (226) [system] get_char((0x560c892e10d0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1402052)
   Call: (227) [system] peek_char((0x560c892e10d0), _1402986)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1407706, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1408638, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1415988)
   Call: (228) [system] peek_char((0x560c892e10d0), _1416922)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1421642, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1422574, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1429924)
   Call: (229) [system] peek_char((0x560c892e10d0), _1430858)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1435578, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1436510, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x560c892e10d0), a)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1443860)
   Call: (230) [system] peek_char((0x560c892e10d0), _1444794)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1449514, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1450446, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1457796)
   Call: (231) [system] peek_char((0x560c892e10d0), _1458730)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1463450, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1464382, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1471732)
   Call: (232) [system] peek_char((0x560c892e10d0), _1472666)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1477386, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1478318, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1485668)
   Call: (233) [system] peek_char((0x560c892e10d0), _1486602)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1491322, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1492254, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1499604)
   Call: (234) [system] peek_char((0x560c892e10d0), _1500538)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1499604=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _1485668=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _1471732=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _1457796=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _1443860=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _1429924=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (228) [system] _1415988=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (227) [system] _1402052=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1388116=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1374180=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1360244=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1324734)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1537762)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1538714, _1538716), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1537762), _1538696, fail)), '$restore_trace'(_1538714, _1538716))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1538714, _1538716))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1537762), _1538696, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1537762)
   Fail: (225) [system] atomic(_1537762)
   Call: (225) [system] atom_chars(_1537762, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _1324734='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1552712)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1554570)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1564164)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1566868)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1583802)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1589372)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1591230)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1607240)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1589372)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1612810)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1628820)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1634390)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1636248)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1652258)
   Exit: (225) [system] get_char((0x560c892e10d0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1634390)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669900)
   Call: (227) [system] peek_char((0x560c892e10d0), _1670834)
   Exit: (227) [system] peek_char((0x560c892e10d0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1675554, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1676486, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x560c892e10d0), r)
   Exit: (227) [system] get_char((0x560c892e10d0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683836)
   Call: (228) [system] peek_char((0x560c892e10d0), _1684770)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1689490, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1690422, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697772)
   Call: (229) [system] peek_char((0x560c892e10d0), _1698706)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1703426, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1704358, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1711708)
   Call: (230) [system] peek_char((0x560c892e10d0), _1712642)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1717362, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1718294, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1725644)
   Call: (231) [system] peek_char((0x560c892e10d0), _1726578)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1731298, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1732230, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1739580)
   Call: (232) [system] peek_char((0x560c892e10d0), _1740514)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1739580=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1725644=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1711708=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1697772=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1683836=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1669900=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1634390)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1763768)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1764720, _1764722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1763768), _1764702, fail)), '$restore_trace'(_1764720, _1764722))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1764720, _1764722))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1763768), _1764702, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1763768)
   Fail: (228) [system] atomic(_1763768)
   Call: (228) [system] atom_chars(_1763768, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1634390='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1778718)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1780576)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1790170)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1792874)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1809808)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1815378)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1817236)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1833246)
   Exit: (226) [system] get_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1815378)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1850888)
   Call: (228) [system] peek_char((0x560c892e10d0), _1851822)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1850888=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _1815378)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _1861106)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1862058, _1862060), once(user:catch(read_from_chars(['C'], _1861106), _1862040, fail)), '$restore_trace'(_1862058, _1862060))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1862058, _1862060))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1861106), _1862040, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1861106)
   Fail: (229) [system] atomic(_1861106)
   Call: (229) [system] atom_chars(_1861106, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _1815378='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1876056)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1877914)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1887508)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1890212)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1907146)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1912716)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1914574)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1930584)
   Exit: (227) [system] get_char((0x560c892e10d0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1912716)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1948226)
   Call: (229) [system] peek_char((0x560c892e10d0), _1949160)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1953880, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1948226=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['D'], _1912716)
^  Call: (229) [user] classify_and_convert_charseq_(['D'], _1960316)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1961268, _1961270), once(user:catch(read_from_chars(['D'], _1960316), _1961250, fail)), '$restore_trace'(_1961268, _1961270))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1961268, _1961270))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1960316), _1961250, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1960316)
   Fail: (230) [system] atomic(_1960316)
   Call: (230) [system] atom_chars(_1960316, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (229) [system] integer('D')
   Fail: (229) [system] integer('D')
   Call: (229) [system] _1912716='D'
   Exit: (229) [system] 'D'='D'
^  Exit: (228) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1975266)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1977124)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1993134)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1996924)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1975266=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1876056=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (225) [system] _1778718=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (224) [system] _1589372=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _2010806)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _2012664)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _2022258)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2024962)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _2041896)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _2047466)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2049324)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _2065334)
   Exit: (224) [system] get_char((0x560c892e10d0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'E', _2047466)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _2082976)
   Call: (226) [system] peek_char((0x560c892e10d0), _2083910)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_2088630, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _2082976=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['E'], _2047466)
^  Call: (226) [user] classify_and_convert_charseq_(['E'], _2095066)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2096018, _2096020), once(user:catch(read_from_chars(['E'], _2095066), _2096000, fail)), '$restore_trace'(_2096018, _2096020))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_6200, _6202))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _6176), _6182, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_6176)
   Fail: (227) [system] atomic(_6176)
   Call: (227) [system] atom_chars(_6176, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (226) [system] integer('E')
   Fail: (226) [system] integer('E')
   Call: (226) [system] _6164='E'
   Exit: (226) [system] 'E'='E'
^  Exit: (225) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _19228)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _21086)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _37096)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _40886)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _19228=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _6160=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (222) [system] _6136=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _6128=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _54768)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _56626)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _66220)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _68924)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _85858)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _91428)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _93286)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _109296)
   Exit: (221) [system] get_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', _91428)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _126938)
   Call: (223) [system] peek_char((0x560c892e10d0), _127872)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_132592, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _126938=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _91428)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _139028)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_139980, _139982), once(user:catch(read_from_chars(['A'], _139028), _139962, fail)), '$restore_trace'(_139980, _139982))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_139980, _139982))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _139028), _139962, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_139028)
   Fail: (224) [system] atomic(_139028)
   Call: (224) [system] atom_chars(_139028, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _91428='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _153978)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _155836)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _171846)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _175636)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _153978=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _54768=['A']
   Exit: (220) [system] ['A']=['A']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (219) [system] _6124=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (218) [system] _6116=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (218) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _189518)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _191376)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _207386)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _211176)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _189518=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _6112=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (216) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (215) [system] _6070=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (214) [system] _6062=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _225058)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _226916)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _242926)
   Exit: (213) [system] peek_char((0x560c892e10d0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x560c892e10d0), _246716)
   Exit: (213) [system] get_char((0x560c892e10d0), ')')
   Call: (213) [system] _225058=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [])
   Call: (212) [system] _6058=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (211) [system] _6016=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (210) [system] _6008=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (210) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (209) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (208) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (208) [user] read_list(')', (0x560c892e10d0), _260598)
^  Call: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _262456)
   Exit: (210) [system] peek_char((0x560c892e10d0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x560c892e10d0), _273906)
   Exit: (210) [system] get_char((0x560c892e10d0), '\n')
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _276610)
   Exit: (211) [system] peek_char((0x560c892e10d0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x560c892e10d0), _286204)
   Exit: (211) [system] get_char((0x560c892e10d0), ' ')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _288908)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
^  Exit: (209) [user] skip_spaces((0x560c892e10d0))
   Call: (209) [system] peek_char((0x560c892e10d0), _306766)
   Exit: (209) [system] peek_char((0x560c892e10d0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x560c892e10d0), _312336)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _314194)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] get_char((0x560c892e10d0), _330204)
   Exit: (210) [system] get_char((0x560c892e10d0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _312336)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _335774)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _351784)
   Exit: (211) [system] peek_char((0x560c892e10d0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _357354)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _359212)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _375222)
   Exit: (212) [system] get_char((0x560c892e10d0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x560c892e10d0), :, _357354)
^  Call: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), _392864)
   Call: (214) [system] peek_char((0x560c892e10d0), _393798)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _392864=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _357354)
^  Call: (214) [user] classify_and_convert_charseq_([:], _403082)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_404034, _404036), once(user:catch(read_from_chars([:], _403082), _404016, fail)), '$restore_trace'(_404034, _404036))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_404034, _404036))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _404016, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _357354=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _416162)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _418020)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _427614)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _430318)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _447252)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _452822)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _454680)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _470690)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _452822)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _476260)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _492270)
   Exit: (214) [system] peek_char((0x560c892e10d0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _497840)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _499698)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _515708)
   Exit: (215) [system] get_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', _497840)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _533350)
   Call: (217) [system] peek_char((0x560c892e10d0), _534284)
   Exit: (217) [system] peek_char((0x560c892e10d0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_539004, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_539936, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x560c892e10d0), i)
   Exit: (217) [system] get_char((0x560c892e10d0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _547286)
   Call: (218) [system] peek_char((0x560c892e10d0), _548220)
   Exit: (218) [system] peek_char((0x560c892e10d0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_552940, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_553872, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x560c892e10d0), s)
   Exit: (218) [system] get_char((0x560c892e10d0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _561222)
   Call: (219) [system] peek_char((0x560c892e10d0), _562156)
   Exit: (219) [system] peek_char((0x560c892e10d0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_566876, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_567808, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x560c892e10d0), j)
   Exit: (219) [system] get_char((0x560c892e10d0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _575158)
   Call: (220) [system] peek_char((0x560c892e10d0), _576092)
   Exit: (220) [system] peek_char((0x560c892e10d0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_580812, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_581744, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x560c892e10d0), u)
   Exit: (220) [system] get_char((0x560c892e10d0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _589094)
   Call: (221) [system] peek_char((0x560c892e10d0), _590028)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_594748, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_595680, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _603030)
   Call: (222) [system] peek_char((0x560c892e10d0), _603964)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_608684, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_609616, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _616966)
   Call: (223) [system] peek_char((0x560c892e10d0), _617900)
   Exit: (223) [system] peek_char((0x560c892e10d0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_622620, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_623552, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x560c892e10d0), t)
   Exit: (223) [system] get_char((0x560c892e10d0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _630902)
   Call: (224) [system] peek_char((0x560c892e10d0), _631836)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_636556, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_637488, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _644838)
   Call: (225) [system] peek_char((0x560c892e10d0), _645772)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_650492, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_651424, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _658774)
   Call: (226) [system] peek_char((0x560c892e10d0), _659708)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_664428, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_665360, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _672710)
   Call: (227) [system] peek_char((0x560c892e10d0), _673644)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_678364, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_679296, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x560c892e10d0), 'I')
   Exit: (227) [system] get_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _686646)
   Call: (228) [system] peek_char((0x560c892e10d0), _687580)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_692300, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_693232, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _700582)
   Call: (229) [system] peek_char((0x560c892e10d0), _701516)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_706236, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_707168, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _714518)
   Call: (230) [system] peek_char((0x560c892e10d0), _715452)
   Exit: (230) [system] peek_char((0x560c892e10d0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_720172, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_721104, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x560c892e10d0), r)
   Exit: (230) [system] get_char((0x560c892e10d0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _728454)
   Call: (231) [system] peek_char((0x560c892e10d0), _729388)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_734108, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_735040, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _742390)
   Call: (232) [system] peek_char((0x560c892e10d0), _743324)
   Exit: (232) [system] peek_char((0x560c892e10d0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_748044, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_748976, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x560c892e10d0), d)
   Exit: (232) [system] get_char((0x560c892e10d0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _756326)
   Call: (233) [system] peek_char((0x560c892e10d0), _757260)
   Exit: (233) [system] peek_char((0x560c892e10d0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_761980, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_762912, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x560c892e10d0), u)
   Exit: (233) [system] get_char((0x560c892e10d0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _770262)
   Call: (234) [system] peek_char((0x560c892e10d0), _771196)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_775916, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_776848, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _784198)
   Call: (235) [system] peek_char((0x560c892e10d0), _785132)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_789852, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_790784, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _798134)
   Call: (236) [system] peek_char((0x560c892e10d0), _799068)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_803788, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_804720, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _812070)
   Call: (237) [system] peek_char((0x560c892e10d0), _813004)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_817724, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_818656, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _826006)
   Call: (238) [system] peek_char((0x560c892e10d0), _826940)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_831660, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_832592, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _839942)
   Call: (239) [system] peek_char((0x560c892e10d0), _840876)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _839942=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _826006=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (237) [system] _812070=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (236) [system] _798134=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (235) [system] _784198=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (234) [system] _770262=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (233) [system] _756326=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (232) [system] _742390=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (231) [system] _728454=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _714518=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _700582=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _686646=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _672710=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _658774=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _644838=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _630902=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _616966=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _603030=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _589094=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _575158=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _561222=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _547286=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _533350=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _497840)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911628)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_912580, _912582), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911628), _912562, fail)), '$restore_trace'(_912580, _912582))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_912580, _912582))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911628), _912562, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_911628)
   Fail: (218) [system] atomic(_911628)
   Call: (218) [system] atom_chars(_911628, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _497840='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _926578)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _928436)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _938030)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _940734)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _957668)
   Exit: (215) [system] peek_char((0x560c892e10d0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _963238)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _965096)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _981106)
   Exit: (216) [system] get_char((0x560c892e10d0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), a, _963238)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _998748)
   Call: (218) [system] peek_char((0x560c892e10d0), _999682)
   Exit: (218) [system] peek_char((0x560c892e10d0), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_1004402, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_1005334, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x560c892e10d0), b)
   Exit: (218) [system] get_char((0x560c892e10d0), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1012684)
   Call: (219) [system] peek_char((0x560c892e10d0), _1013618)
   Exit: (219) [system] peek_char((0x560c892e10d0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1018338, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1019270, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x560c892e10d0), c)
   Exit: (219) [system] get_char((0x560c892e10d0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1026620)
   Call: (220) [system] peek_char((0x560c892e10d0), _1027554)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1026620=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (219) [system] _1012684=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (218) [system] _998748=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (217) [user] classify_and_convert_charseq([a, b, c], _963238)
^  Call: (218) [user] classify_and_convert_charseq_([a, b, c], _1042426)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1043378, _1043380), once(user:catch(read_from_chars([a, b, c], _1042426), _1043360, fail)), '$restore_trace'(_1043378, _1043380))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1043378, _1043380))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1043360, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (218) [system] integer(abc)
   Fail: (218) [system] integer(abc)
   Call: (218) [system] _963238=abc
   Exit: (218) [system] abc=abc
^  Exit: (217) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1055506)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1057364)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _1066958)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1069662)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1086596)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1092166)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1094024)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1110034)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1092166)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1115604)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1131614)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1137184)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1139042)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1155052)
   Exit: (219) [system] get_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1137184)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172694)
   Call: (221) [system] peek_char((0x560c892e10d0), _1173628)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1178348, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1179280, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186630)
   Call: (222) [system] peek_char((0x560c892e10d0), _1187564)
   Exit: (222) [system] peek_char((0x560c892e10d0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1192284, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_1193216, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x560c892e10d0), s)
   Exit: (222) [system] get_char((0x560c892e10d0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200566)
   Call: (223) [system] peek_char((0x560c892e10d0), _1201500)
   Exit: (223) [system] peek_char((0x560c892e10d0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1206220, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_1207152, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x560c892e10d0), j)
   Exit: (223) [system] get_char((0x560c892e10d0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214502)
   Call: (224) [system] peek_char((0x560c892e10d0), _1215436)
   Exit: (224) [system] peek_char((0x560c892e10d0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1220156, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1221088, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x560c892e10d0), u)
   Exit: (224) [system] get_char((0x560c892e10d0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1228438)
   Call: (225) [system] peek_char((0x560c892e10d0), _1229372)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1234092, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1235024, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1242374)
   Call: (226) [system] peek_char((0x560c892e10d0), _1243308)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1248028, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1248960, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1256310)
   Call: (227) [system] peek_char((0x560c892e10d0), _1257244)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1261964, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1262896, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1270246)
   Call: (228) [system] peek_char((0x560c892e10d0), _1271180)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1275900, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1276832, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1284182)
   Call: (229) [system] peek_char((0x560c892e10d0), _1285116)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1289836, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1290768, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1298118)
   Call: (230) [system] peek_char((0x560c892e10d0), _1299052)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1303772, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1304704, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1312054)
   Call: (231) [system] peek_char((0x560c892e10d0), _1312988)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1317708, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_1318640, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x560c892e10d0), 'I')
   Exit: (231) [system] get_char((0x560c892e10d0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325990)
   Call: (232) [system] peek_char((0x560c892e10d0), _1326924)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1331644, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1332576, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1339926)
   Call: (233) [system] peek_char((0x560c892e10d0), _1340860)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1345580, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1346512, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1353862)
   Call: (234) [system] peek_char((0x560c892e10d0), _1354796)
   Exit: (234) [system] peek_char((0x560c892e10d0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1359516, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1360448, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x560c892e10d0), r)
   Exit: (234) [system] get_char((0x560c892e10d0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1367798)
   Call: (235) [system] peek_char((0x560c892e10d0), _1368732)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1373452, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1374384, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1381734)
   Call: (236) [system] peek_char((0x560c892e10d0), _1382668)
   Exit: (236) [system] peek_char((0x560c892e10d0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1387388, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_1388320, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x560c892e10d0), d)
   Exit: (236) [system] get_char((0x560c892e10d0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1395670)
   Call: (237) [system] peek_char((0x560c892e10d0), _1396604)
   Exit: (237) [system] peek_char((0x560c892e10d0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1401324, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_1402256, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x560c892e10d0), u)
   Exit: (237) [system] get_char((0x560c892e10d0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1409606)
   Call: (238) [system] peek_char((0x560c892e10d0), _1410540)
   Exit: (238) [system] peek_char((0x560c892e10d0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1415260, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_1416192, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x560c892e10d0), c)
   Exit: (238) [system] get_char((0x560c892e10d0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1423542)
   Call: (239) [system] peek_char((0x560c892e10d0), _1424476)
   Exit: (239) [system] peek_char((0x560c892e10d0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1429196, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1430128, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x560c892e10d0), t)
   Exit: (239) [system] get_char((0x560c892e10d0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1437478)
   Call: (240) [system] peek_char((0x560c892e10d0), _1438412)
   Exit: (240) [system] peek_char((0x560c892e10d0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1443132, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1444064, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x560c892e10d0), i)
   Exit: (240) [system] get_char((0x560c892e10d0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1451414)
   Call: (241) [system] peek_char((0x560c892e10d0), _1452348)
   Exit: (241) [system] peek_char((0x560c892e10d0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1457068, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1458000, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x560c892e10d0), o)
   Exit: (241) [system] get_char((0x560c892e10d0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1465350)
   Call: (242) [system] peek_char((0x560c892e10d0), _1466284)
   Exit: (242) [system] peek_char((0x560c892e10d0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1471004, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1471936, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x560c892e10d0), n)
   Exit: (242) [system] get_char((0x560c892e10d0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1479286)
   Call: (243) [system] peek_char((0x560c892e10d0), _1480220)
   Exit: (243) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1479286=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (242) [system] _1465350=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (241) [system] _1451414=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (240) [system] _1437478=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (239) [system] _1423542=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (238) [system] _1409606=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (237) [system] _1395670=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (236) [system] _1381734=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (235) [system] _1367798=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1353862=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1339926=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1325990=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1312054=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1298118=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1284182=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1270246=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1256310=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1242374=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1228438=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1214502=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1200566=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1186630=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1172694=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1137184)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1550972)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1551924, _1551926), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1550972), _1551906, fail)), '$restore_trace'(_1551924, _1551926))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1551924, _1551926))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1550972), _1551906, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1550972)
   Fail: (222) [system] atomic(_1550972)
   Call: (222) [system] atom_chars(_1550972, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _1137184='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1565922)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1567780)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1577374)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1580078)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1597012)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1602582)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1604440)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1620450)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), a, _1602582)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1638092)
   Call: (222) [system] peek_char((0x560c892e10d0), _1639026)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1638092=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _1602582)
^  Call: (222) [user] classify_and_convert_charseq_([a], _1648310)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1649262, _1649264), once(user:catch(read_from_chars([a], _1648310), _1649244, fail)), '$restore_trace'(_1649262, _1649264))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1649262, _1649264))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1649244, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _1602582=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1661390)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1663248)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1672842)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1675546)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1692480)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1698050)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1699908)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1715918)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), a, _1698050)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1733560)
   Call: (223) [system] peek_char((0x560c892e10d0), _1734494)
   Exit: (223) [system] peek_char((0x560c892e10d0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_1739214, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_1740146, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x560c892e10d0), b)
   Exit: (223) [system] get_char((0x560c892e10d0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1747496)
   Call: (224) [system] peek_char((0x560c892e10d0), _1748430)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1753150, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1754082, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1761432)
   Call: (225) [system] peek_char((0x560c892e10d0), _1762366)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1767086, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1761432=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1747496=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (223) [system] _1733560=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq([a, b, c], _1698050)
^  Call: (223) [user] classify_and_convert_charseq_([a, b, c], _1779110)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1780062, _1780064), once(user:catch(read_from_chars([a, b, c], _1779110), _1780044, fail)), '$restore_trace'(_1780062, _1780064))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1780062, _1780064))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1780044, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (223) [system] integer(abc)
   Fail: (223) [system] integer(abc)
   Call: (223) [system] _1698050=abc
   Exit: (223) [system] abc=abc
^  Exit: (222) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1792190)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1794048)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1810058)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _1813848)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _1792190=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _1661390=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (219) [system] _1565922=[a, abc]
   Exit: (219) [system] [a, abc]=[a, abc]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [a, abc])
   Call: (218) [system] _1092166=['DisjunctionIntroduction', a, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, abc])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1827730)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1829588)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1845598)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _1849388)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _1827730=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _1055506=[['DisjunctionIntroduction', a, abc]]
   Exit: (216) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, abc]])
   Call: (215) [system] _926578=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (215) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (214) [system] _452822=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1863270)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1865128)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1874722)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1877426)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1894360)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1899930)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1901788)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1917798)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1899930)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1923368)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1939378)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1944948)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1946806)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1962816)
   Exit: (216) [system] get_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1944948)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _1980458)
   Call: (218) [system] peek_char((0x560c892e10d0), _1981392)
   Exit: (218) [system] peek_char((0x560c892e10d0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1986112, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1987044, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x560c892e10d0), r)
   Exit: (218) [system] get_char((0x560c892e10d0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1994394)
   Call: (219) [system] peek_char((0x560c892e10d0), _1995328)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_2000048, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_2000980, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x560c892e10d0), 'L')
   Exit: (219) [system] get_char((0x560c892e10d0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2008330)
   Call: (220) [system] peek_char((0x560c892e10d0), _2009264)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_2013984, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_2014916, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2022266)
   Call: (221) [system] peek_char((0x560c892e10d0), _2023200)
   Exit: (221) [system] peek_char((0x560c892e10d0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2027920, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2028852, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x560c892e10d0), n)
   Exit: (221) [system] get_char((0x560c892e10d0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2036202)
   Call: (222) [system] peek_char((0x560c892e10d0), _2037136)
   Exit: (222) [system] peek_char((0x560c892e10d0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_2041856, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_2042788, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x560c892e10d0), k)
   Exit: (222) [system] get_char((0x560c892e10d0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2050138)
   Call: (223) [system] peek_char((0x560c892e10d0), _2051072)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _2050138=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _2036202=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (221) [system] _2022266=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (220) [system] _2008330=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (219) [system] _1994394=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (218) [system] _1980458=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1944948)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _2074326)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2075278, _2075280), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2074326), _2075260, fail)), '$restore_trace'(_2075278, _2075280))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2075278, _2075280))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2074326), _2075260, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_2074326)
   Fail: (219) [system] atomic(_2074326)
   Call: (219) [system] atom_chars(_2074326, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1944948='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _2089276)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2091134)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _10102)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _12806)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _29740)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _35310)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _37168)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _53178)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _35310)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _58748)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _74758)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _80328)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _82186)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _98196)
   Exit: (219) [system] get_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', _80328)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _115838)
   Call: (221) [system] peek_char((0x560c892e10d0), _116772)
   Exit: (221) [system] peek_char((0x560c892e10d0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_121492, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_122424, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x560c892e10d0), m)
   Exit: (221) [system] get_char((0x560c892e10d0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _129774)
   Call: (222) [system] peek_char((0x560c892e10d0), _130708)
   Exit: (222) [system] peek_char((0x560c892e10d0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_135428, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_136360, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x560c892e10d0), p)
   Exit: (222) [system] get_char((0x560c892e10d0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _143710)
   Call: (223) [system] peek_char((0x560c892e10d0), _144644)
   Exit: (223) [system] peek_char((0x560c892e10d0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_149364, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_150296, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x560c892e10d0), l)
   Exit: (223) [system] get_char((0x560c892e10d0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _157646)
   Call: (224) [system] peek_char((0x560c892e10d0), _158580)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_163300, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_164232, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _171582)
   Call: (225) [system] peek_char((0x560c892e10d0), _172516)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_177236, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_178168, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _185518)
   Call: (226) [system] peek_char((0x560c892e10d0), _186452)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_191172, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_192104, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x560c892e10d0), a)
   Exit: (226) [system] get_char((0x560c892e10d0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _199454)
   Call: (227) [system] peek_char((0x560c892e10d0), _200388)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_205108, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_206040, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _213390)
   Call: (228) [system] peek_char((0x560c892e10d0), _214324)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_219044, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_219976, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _227326)
   Call: (229) [system] peek_char((0x560c892e10d0), _228260)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_232980, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_233912, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _241262)
   Call: (230) [system] peek_char((0x560c892e10d0), _242196)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_246916, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_247848, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _255198)
   Call: (231) [system] peek_char((0x560c892e10d0), _256132)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _255198=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _241262=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (229) [system] _227326=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (228) [system] _213390=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (227) [system] _199454=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (226) [system] _185518=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (225) [system] _171582=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (224) [system] _157646=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (223) [system] _143710=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _129774=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _115838=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _80328)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _293356)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_294308, _294310), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _293356), _294290, fail)), '$restore_trace'(_294308, _294310))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_294308, _294310))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _293356), _294290, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_293356)
   Fail: (222) [system] atomic(_293356)
   Call: (222) [system] atom_chars(_293356, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _80328='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _308306)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _310164)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _319758)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _322462)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _339396)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _344966)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _346824)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _362834)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _344966)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _368404)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _384414)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _389984)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _391842)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _407852)
   Exit: (222) [system] get_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', _389984)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _425494)
   Call: (224) [system] peek_char((0x560c892e10d0), _426428)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_431148, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_432080, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _439430)
   Call: (225) [system] peek_char((0x560c892e10d0), _440364)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_445084, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_446016, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _453366)
   Call: (226) [system] peek_char((0x560c892e10d0), _454300)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_459020, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_459952, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x560c892e10d0), 'L')
   Exit: (226) [system] get_char((0x560c892e10d0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _467302)
   Call: (227) [system] peek_char((0x560c892e10d0), _468236)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_472956, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_473888, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _481238)
   Call: (228) [system] peek_char((0x560c892e10d0), _482172)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_486892, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_487824, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _495174)
   Call: (229) [system] peek_char((0x560c892e10d0), _496108)
   Exit: (229) [system] peek_char((0x560c892e10d0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_500828, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_501760, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x560c892e10d0), k)
   Exit: (229) [system] get_char((0x560c892e10d0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _509110)
   Call: (230) [system] peek_char((0x560c892e10d0), _510044)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _509110=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _495174=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (228) [system] _481238=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (227) [system] _467302=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (226) [system] _453366=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (225) [system] _439430=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (224) [system] _425494=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _389984)
^  Call: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _536092)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_537044, _537046), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _536092), _537026, fail)), '$restore_trace'(_537044, _537046))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_537044, _537046))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _536092), _537026, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_536092)
   Fail: (225) [system] atomic(_536092)
   Call: (225) [system] atom_chars(_536092, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (224) [system] integer('AndLink')
   Fail: (224) [system] integer('AndLink')
   Call: (224) [system] _389984='AndLink'
   Exit: (224) [system] 'AndLink'='AndLink'
^  Exit: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _551042)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _552900)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _562494)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _565198)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _582132)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _587702)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _589560)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _605570)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _587702)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _623212)
   Call: (225) [system] peek_char((0x560c892e10d0), _624146)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _623212=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _587702)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _633430)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_634382, _634384), once(user:catch(read_from_chars(['A'], _633430), _634364, fail)), '$restore_trace'(_634382, _634384))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_634382, _634384))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _633430), _634364, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_633430)
   Fail: (226) [system] atomic(_633430)
   Call: (226) [system] atom_chars(_633430, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _587702='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _648380)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _650238)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _659832)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _662536)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _679470)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _685040)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _686898)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _702908)
   Exit: (224) [system] get_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'B', _685040)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _720550)
   Call: (226) [system] peek_char((0x560c892e10d0), _721484)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_726204, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _720550=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['B'], _685040)
^  Call: (226) [user] classify_and_convert_charseq_(['B'], _732640)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_733592, _733594), once(user:catch(read_from_chars(['B'], _732640), _733574, fail)), '$restore_trace'(_733592, _733594))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_733592, _733594))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _732640), _733574, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_732640)
   Fail: (227) [system] atomic(_732640)
   Call: (227) [system] atom_chars(_732640, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (226) [system] integer('B')
   Fail: (226) [system] integer('B')
   Call: (226) [system] _685040='B'
   Exit: (226) [system] 'B'='B'
^  Exit: (225) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _747590)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _749448)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _765458)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _769248)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _747590=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _648380=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (222) [system] _551042=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (221) [system] _344966=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _783130)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _784988)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _794582)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _797286)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _814220)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _819790)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _821648)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _837658)
   Exit: (221) [system] get_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', _819790)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _855300)
   Call: (223) [system] peek_char((0x560c892e10d0), _856234)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_860954, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _855300=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _819790)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _867390)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_868342, _868344), once(user:catch(read_from_chars(['C'], _867390), _868324, fail)), '$restore_trace'(_868342, _868344))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_868342, _868344))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _867390), _868324, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_867390)
   Fail: (224) [system] atomic(_867390)
   Call: (224) [system] atom_chars(_867390, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _819790='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _882340)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _884198)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _900208)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _903998)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _882340=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _783130=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (219) [system] _308306=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _35310=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _917880)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _919738)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _929332)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _932036)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _948970)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _954540)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _956398)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _972408)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _954540)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _977978)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _993988)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _999558)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1001416)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1017426)
   Exit: (220) [system] get_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', _999558)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1035068)
   Call: (222) [system] peek_char((0x560c892e10d0), _1036002)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1040722, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1041654, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1049004)
   Call: (223) [system] peek_char((0x560c892e10d0), _1049938)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1054658, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_1055590, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1062940)
   Call: (224) [system] peek_char((0x560c892e10d0), _1063874)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1068594, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1069526, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1076876)
   Call: (225) [system] peek_char((0x560c892e10d0), _1077810)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1082530, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1083462, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1090812)
   Call: (226) [system] peek_char((0x560c892e10d0), _1091746)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1096466, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_1097398, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1104748)
   Call: (227) [system] peek_char((0x560c892e10d0), _1105682)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1104748=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _1090812=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _1076876=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _1062940=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _1049004=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _1035068=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _999558)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1128936)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1129888, _1129890), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1128936), _1129870, fail)), '$restore_trace'(_1129888, _1129890))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1129888, _1129890))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1128936), _1129870, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1128936)
   Fail: (223) [system] atomic(_1128936)
   Call: (223) [system] atom_chars(_1128936, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _999558='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1143886)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1145744)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1155338)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1158042)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1174976)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1180546)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1182404)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1198414)
   Exit: (221) [system] get_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1180546)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1216056)
   Call: (223) [system] peek_char((0x560c892e10d0), _1216990)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1216056=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _1180546)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _1226274)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1227226, _1227228), once(user:catch(read_from_chars(['A'], _1226274), _1227208, fail)), '$restore_trace'(_1227226, _1227228))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1227226, _1227228))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1226274), _1227208, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1226274)
   Fail: (224) [system] atomic(_1226274)
   Call: (224) [system] atom_chars(_1226274, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _1180546='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1241224)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1243082)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1252676)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1255380)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1272314)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1277884)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1279742)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1295752)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1277884)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1301322)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1317332)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1322902)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1324760)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1340770)
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1322902)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1358412)
   Call: (226) [system] peek_char((0x560c892e10d0), _1359346)
   Exit: (226) [system] peek_char((0x560c892e10d0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1364066, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1364998, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x560c892e10d0), m)
   Exit: (226) [system] get_char((0x560c892e10d0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372348)
   Call: (227) [system] peek_char((0x560c892e10d0), _1373282)
   Exit: (227) [system] peek_char((0x560c892e10d0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1378002, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_1378934, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x560c892e10d0), p)
   Exit: (227) [system] get_char((0x560c892e10d0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386284)
   Call: (228) [system] peek_char((0x560c892e10d0), _1387218)
   Exit: (228) [system] peek_char((0x560c892e10d0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1391938, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_1392870, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x560c892e10d0), l)
   Exit: (228) [system] get_char((0x560c892e10d0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1400220)
   Call: (229) [system] peek_char((0x560c892e10d0), _1401154)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1405874, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1406806, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1414156)
   Call: (230) [system] peek_char((0x560c892e10d0), _1415090)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1419810, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1420742, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1428092)
   Call: (231) [system] peek_char((0x560c892e10d0), _1429026)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1433746, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1434678, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x560c892e10d0), a)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1442028)
   Call: (232) [system] peek_char((0x560c892e10d0), _1442962)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1447682, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1448614, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455964)
   Call: (233) [system] peek_char((0x560c892e10d0), _1456898)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1461618, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1462550, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469900)
   Call: (234) [system] peek_char((0x560c892e10d0), _1470834)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1475554, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1476486, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483836)
   Call: (235) [system] peek_char((0x560c892e10d0), _1484770)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1489490, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1490422, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497772)
   Call: (236) [system] peek_char((0x560c892e10d0), _1498706)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1497772=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _1483836=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _1469900=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _1455964=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _1442028=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _1428092=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (230) [system] _1414156=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (229) [system] _1400220=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (228) [system] _1386284=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1372348=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1358412=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1322902)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1535930)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1536882, _1536884), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1535930), _1536864, fail)), '$restore_trace'(_1536882, _1536884))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1536882, _1536884))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1535930), _1536864, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1535930)
   Fail: (227) [system] atomic(_1535930)
   Call: (227) [system] atom_chars(_1535930, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _1322902='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1550880)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1552738)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1562332)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1565036)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1581970)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1587540)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1589398)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1605408)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1587540)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1610978)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1626988)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1632558)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1634416)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1650426)
   Exit: (227) [system] get_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1632558)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1668068)
   Call: (229) [system] peek_char((0x560c892e10d0), _1669002)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1673722, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1674654, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1682004)
   Call: (230) [system] peek_char((0x560c892e10d0), _1682938)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1687658, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1688590, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1695940)
   Call: (231) [system] peek_char((0x560c892e10d0), _1696874)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1701594, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1702526, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1709876)
   Call: (232) [system] peek_char((0x560c892e10d0), _1710810)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1715530, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1716462, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1723812)
   Call: (233) [system] peek_char((0x560c892e10d0), _1724746)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1729466, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1730398, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1737748)
   Call: (234) [system] peek_char((0x560c892e10d0), _1738682)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1743402, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1744334, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1751684)
   Call: (235) [system] peek_char((0x560c892e10d0), _1752618)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1751684=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1737748=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _1723812=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _1709876=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _1695940=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _1682004=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (229) [system] _1668068=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1632558)
^  Call: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1778666)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1779618, _1779620), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1778666), _1779600, fail)), '$restore_trace'(_1779618, _1779620))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1779618, _1779620))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1778666), _1779600, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1778666)
   Fail: (230) [system] atomic(_1778666)
   Call: (230) [system] atom_chars(_1778666, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (229) [system] integer('AndLink')
   Fail: (229) [system] integer('AndLink')
   Call: (229) [system] _1632558='AndLink'
   Exit: (229) [system] 'AndLink'='AndLink'
^  Exit: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1793616)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1795474)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1805068)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1807772)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1824706)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1830276)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1832134)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1848144)
   Exit: (228) [system] get_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1830276)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1865786)
   Call: (230) [system] peek_char((0x560c892e10d0), _1866720)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1865786=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1830276)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1876004)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1876956, _1876958), once(user:catch(read_from_chars(['A'], _1876004), _1876938, fail)), '$restore_trace'(_1876956, _1876958))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1876956, _1876958))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1876004), _1876938, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1876004)
   Fail: (231) [system] atomic(_1876004)
   Call: (231) [system] atom_chars(_1876004, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1830276='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1890954)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1892812)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1902406)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1905110)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1922044)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1927614)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1929472)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1945482)
   Exit: (229) [system] get_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1927614)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1963124)
   Call: (231) [system] peek_char((0x560c892e10d0), _1964058)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1968778, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1963124=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _1927614)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _1975214)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1976166, _1976168), once(user:catch(read_from_chars(['B'], _1975214), _1976148, fail)), '$restore_trace'(_1976166, _1976168))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1976166, _1976168))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1975214), _1976148, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1975214)
   Fail: (232) [system] atomic(_1975214)
   Call: (232) [system] atom_chars(_1975214, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _1927614='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1990164)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1992022)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2008032)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _2011822)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _1990164=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _1890954=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (227) [system] _1793616=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (226) [system] _1587540=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _2025704)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _2027562)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _2037156)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2039860)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2056794)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _2062364)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2064222)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _2080232)
   Exit: (226) [system] get_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', _6338)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _7232)
   Call: (228) [system] peek_char((0x560c892e10d0), _8166)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_12886, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _7232=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _6338)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _19322)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_20274, _20276), once(user:catch(read_from_chars(['C'], _19322), _20256, fail)), '$restore_trace'(_20274, _20276))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_20274, _20276))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _19322), _20256, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_19322)
   Fail: (229) [system] atomic(_19322)
   Call: (229) [system] atom_chars(_19322, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _6338='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _34272)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _36130)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _52140)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _55930)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _34272=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _6334=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (224) [system] _6310=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _6302=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _69812)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _71670)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _87680)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _91470)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _69812=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _6298=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _6292=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _6284=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _105352)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _107210)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _123220)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _127010)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _105352=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _6280=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _6238=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _6230=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _140892)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _142750)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _158760)
   Exit: (214) [system] peek_char((0x560c892e10d0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x560c892e10d0), _162550)
   Exit: (214) [system] get_char((0x560c892e10d0), ')')
   Call: (214) [system] _140892=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [])
   Call: (213) [system] _6226=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (212) [system] _6184=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (211) [system] _6176=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (210) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (209) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (209) [user] read_list(')', (0x560c892e10d0), _176432)
^  Call: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _178290)
   Exit: (211) [system] peek_char((0x560c892e10d0), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
   Call: (211) [system] '\n'=(/)
   Fail: (211) [system] '\n'=(/)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x560c892e10d0), _189740)
   Exit: (211) [system] get_char((0x560c892e10d0), '\n')
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _192444)
   Exit: (212) [system] peek_char((0x560c892e10d0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x560c892e10d0), _202038)
   Exit: (212) [system] get_char((0x560c892e10d0), ' ')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _204742)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
^  Exit: (210) [user] skip_spaces((0x560c892e10d0))
   Call: (210) [system] peek_char((0x560c892e10d0), _222600)
   Exit: (210) [system] peek_char((0x560c892e10d0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x560c892e10d0), _228170)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _230028)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] get_char((0x560c892e10d0), _246038)
   Exit: (211) [system] get_char((0x560c892e10d0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _228170)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _251608)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _267618)
   Exit: (212) [system] peek_char((0x560c892e10d0), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _273188)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _275046)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _291056)
   Exit: (213) [system] get_char((0x560c892e10d0), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x560c892e10d0), :, _273188)
^  Call: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), _308698)
   Call: (215) [system] peek_char((0x560c892e10d0), _309632)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _308698=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (214) [user] classify_and_convert_charseq([:], _273188)
^  Call: (215) [user] classify_and_convert_charseq_([:], _318916)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_319868, _319870), once(user:catch(read_from_chars([:], _318916), _319850, fail)), '$restore_trace'(_319868, _319870))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_319868, _319870))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _319850, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq_([:], :)
   Call: (215) [system] integer(:)
   Fail: (215) [system] integer(:)
   Call: (215) [system] _273188=(:)
   Exit: (215) [system] (:)=(:)
^  Exit: (214) [user] classify_and_convert_charseq([:], :)
^  Exit: (213) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _331996)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _333854)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _343448)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _346152)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _363086)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _368656)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _370514)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _386524)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _368656)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _392094)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _408104)
   Exit: (215) [system] peek_char((0x560c892e10d0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _413674)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _415532)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _431542)
   Exit: (216) [system] get_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', _413674)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _449184)
   Call: (218) [system] peek_char((0x560c892e10d0), _450118)
   Exit: (218) [system] peek_char((0x560c892e10d0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_454838, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_455770, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x560c892e10d0), i)
   Exit: (218) [system] get_char((0x560c892e10d0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _463120)
   Call: (219) [system] peek_char((0x560c892e10d0), _464054)
   Exit: (219) [system] peek_char((0x560c892e10d0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_468774, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_469706, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x560c892e10d0), s)
   Exit: (219) [system] get_char((0x560c892e10d0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _477056)
   Call: (220) [system] peek_char((0x560c892e10d0), _477990)
   Exit: (220) [system] peek_char((0x560c892e10d0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_482710, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_483642, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x560c892e10d0), j)
   Exit: (220) [system] get_char((0x560c892e10d0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _490992)
   Call: (221) [system] peek_char((0x560c892e10d0), _491926)
   Exit: (221) [system] peek_char((0x560c892e10d0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_496646, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_497578, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x560c892e10d0), u)
   Exit: (221) [system] get_char((0x560c892e10d0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _504928)
   Call: (222) [system] peek_char((0x560c892e10d0), _505862)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_510582, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_511514, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _518864)
   Call: (223) [system] peek_char((0x560c892e10d0), _519798)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_524518, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_525450, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _532800)
   Call: (224) [system] peek_char((0x560c892e10d0), _533734)
   Exit: (224) [system] peek_char((0x560c892e10d0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_538454, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_539386, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x560c892e10d0), t)
   Exit: (224) [system] get_char((0x560c892e10d0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _546736)
   Call: (225) [system] peek_char((0x560c892e10d0), _547670)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_552390, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_553322, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _560672)
   Call: (226) [system] peek_char((0x560c892e10d0), _561606)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_566326, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_567258, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _574608)
   Call: (227) [system] peek_char((0x560c892e10d0), _575542)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_580262, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_581194, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _588544)
   Call: (228) [system] peek_char((0x560c892e10d0), _589478)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_594198, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_595130, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x560c892e10d0), 'I')
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _602480)
   Call: (229) [system] peek_char((0x560c892e10d0), _603414)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_608134, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_609066, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _616416)
   Call: (230) [system] peek_char((0x560c892e10d0), _617350)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_622070, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_623002, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _630352)
   Call: (231) [system] peek_char((0x560c892e10d0), _631286)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_636006, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_636938, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _644288)
   Call: (232) [system] peek_char((0x560c892e10d0), _645222)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_649942, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_650874, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _658224)
   Call: (233) [system] peek_char((0x560c892e10d0), _659158)
   Exit: (233) [system] peek_char((0x560c892e10d0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_663878, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_664810, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x560c892e10d0), d)
   Exit: (233) [system] get_char((0x560c892e10d0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _672160)
   Call: (234) [system] peek_char((0x560c892e10d0), _673094)
   Exit: (234) [system] peek_char((0x560c892e10d0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_677814, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_678746, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x560c892e10d0), u)
   Exit: (234) [system] get_char((0x560c892e10d0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _686096)
   Call: (235) [system] peek_char((0x560c892e10d0), _687030)
   Exit: (235) [system] peek_char((0x560c892e10d0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_691750, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_692682, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x560c892e10d0), c)
   Exit: (235) [system] get_char((0x560c892e10d0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _700032)
   Call: (236) [system] peek_char((0x560c892e10d0), _700966)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_705686, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_706618, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _713968)
   Call: (237) [system] peek_char((0x560c892e10d0), _714902)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_719622, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_720554, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _727904)
   Call: (238) [system] peek_char((0x560c892e10d0), _728838)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_733558, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_734490, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _741840)
   Call: (239) [system] peek_char((0x560c892e10d0), _742774)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_747494, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_748426, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _755776)
   Call: (240) [system] peek_char((0x560c892e10d0), _756710)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _755776=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _741840=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _727904=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _713968=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _700032=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _686096=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (234) [system] _672160=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (233) [system] _658224=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (232) [system] _644288=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _630352=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _616416=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _602480=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _588544=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _574608=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _560672=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _546736=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _532800=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _518864=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _504928=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _490992=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _477056=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _463120=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _449184=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _413674)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827462)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_828414, _828416), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827462), _828396, fail)), '$restore_trace'(_828414, _828416))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_828414, _828416))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827462), _828396, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_827462)
   Fail: (219) [system] atomic(_827462)
   Call: (219) [system] atom_chars(_827462, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _413674='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _842412)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _844270)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _853864)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _856568)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _873502)
   Exit: (216) [system] peek_char((0x560c892e10d0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _879072)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _880930)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _896940)
   Exit: (217) [system] get_char((0x560c892e10d0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), a, _879072)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _914582)
   Call: (219) [system] peek_char((0x560c892e10d0), _915516)
   Exit: (219) [system] peek_char((0x560c892e10d0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_920236, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_921168, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x560c892e10d0), b)
   Exit: (219) [system] get_char((0x560c892e10d0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _928518)
   Call: (220) [system] peek_char((0x560c892e10d0), _929452)
   Exit: (220) [system] peek_char((0x560c892e10d0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_934172, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_935104, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x560c892e10d0), c)
   Exit: (220) [system] get_char((0x560c892e10d0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _942454)
   Call: (221) [system] peek_char((0x560c892e10d0), _943388)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _942454=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (220) [system] _928518=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (219) [system] _914582=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _879072)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _958260)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_959212, _959214), once(user:catch(read_from_chars([a, b, c], _958260), _959194, fail)), '$restore_trace'(_959212, _959214))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_959212, _959214))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _959194, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _879072=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _971340)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _973198)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _982792)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _985496)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1002430)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1008000)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1009858)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1025868)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1008000)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1031438)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1047448)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1053018)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1054876)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1070886)
   Exit: (220) [system] get_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1053018)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1088528)
   Call: (222) [system] peek_char((0x560c892e10d0), _1089462)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1094182, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1095114, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1102464)
   Call: (223) [system] peek_char((0x560c892e10d0), _1103398)
   Exit: (223) [system] peek_char((0x560c892e10d0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1108118, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1109050, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x560c892e10d0), s)
   Exit: (223) [system] get_char((0x560c892e10d0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1116400)
   Call: (224) [system] peek_char((0x560c892e10d0), _1117334)
   Exit: (224) [system] peek_char((0x560c892e10d0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1122054, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1122986, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x560c892e10d0), j)
   Exit: (224) [system] get_char((0x560c892e10d0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1130336)
   Call: (225) [system] peek_char((0x560c892e10d0), _1131270)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1135990, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1136922, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1144272)
   Call: (226) [system] peek_char((0x560c892e10d0), _1145206)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1149926, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1150858, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1158208)
   Call: (227) [system] peek_char((0x560c892e10d0), _1159142)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1163862, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1164794, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1172144)
   Call: (228) [system] peek_char((0x560c892e10d0), _1173078)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1177798, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1178730, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1186080)
   Call: (229) [system] peek_char((0x560c892e10d0), _1187014)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1191734, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1192666, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1200016)
   Call: (230) [system] peek_char((0x560c892e10d0), _1200950)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1205670, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1206602, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1213952)
   Call: (231) [system] peek_char((0x560c892e10d0), _1214886)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1219606, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1220538, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1227888)
   Call: (232) [system] peek_char((0x560c892e10d0), _1228822)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1233542, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1234474, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x560c892e10d0), 'I')
   Exit: (232) [system] get_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1241824)
   Call: (233) [system] peek_char((0x560c892e10d0), _1242758)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1247478, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1248410, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1255760)
   Call: (234) [system] peek_char((0x560c892e10d0), _1256694)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1261414, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1262346, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1269696)
   Call: (235) [system] peek_char((0x560c892e10d0), _1270630)
   Exit: (235) [system] peek_char((0x560c892e10d0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1275350, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1276282, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x560c892e10d0), r)
   Exit: (235) [system] get_char((0x560c892e10d0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1283632)
   Call: (236) [system] peek_char((0x560c892e10d0), _1284566)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1289286, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1290218, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1297568)
   Call: (237) [system] peek_char((0x560c892e10d0), _1298502)
   Exit: (237) [system] peek_char((0x560c892e10d0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1303222, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1304154, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x560c892e10d0), d)
   Exit: (237) [system] get_char((0x560c892e10d0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1311504)
   Call: (238) [system] peek_char((0x560c892e10d0), _1312438)
   Exit: (238) [system] peek_char((0x560c892e10d0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1317158, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1318090, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x560c892e10d0), u)
   Exit: (238) [system] get_char((0x560c892e10d0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1325440)
   Call: (239) [system] peek_char((0x560c892e10d0), _1326374)
   Exit: (239) [system] peek_char((0x560c892e10d0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1331094, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1332026, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x560c892e10d0), c)
   Exit: (239) [system] get_char((0x560c892e10d0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1339376)
   Call: (240) [system] peek_char((0x560c892e10d0), _1340310)
   Exit: (240) [system] peek_char((0x560c892e10d0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1345030, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1345962, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x560c892e10d0), t)
   Exit: (240) [system] get_char((0x560c892e10d0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1353312)
   Call: (241) [system] peek_char((0x560c892e10d0), _1354246)
   Exit: (241) [system] peek_char((0x560c892e10d0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1358966, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1359898, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x560c892e10d0), i)
   Exit: (241) [system] get_char((0x560c892e10d0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1367248)
   Call: (242) [system] peek_char((0x560c892e10d0), _1368182)
   Exit: (242) [system] peek_char((0x560c892e10d0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1372902, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1373834, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x560c892e10d0), o)
   Exit: (242) [system] get_char((0x560c892e10d0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1381184)
   Call: (243) [system] peek_char((0x560c892e10d0), _1382118)
   Exit: (243) [system] peek_char((0x560c892e10d0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1386838, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1387770, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x560c892e10d0), n)
   Exit: (243) [system] get_char((0x560c892e10d0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1395120)
   Call: (244) [system] peek_char((0x560c892e10d0), _1396054)
   Exit: (244) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1395120=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (243) [system] _1381184=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (242) [system] _1367248=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (241) [system] _1353312=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (240) [system] _1339376=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (239) [system] _1325440=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (238) [system] _1311504=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (237) [system] _1297568=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (236) [system] _1283632=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1269696=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1255760=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1241824=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1227888=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1213952=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1200016=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1186080=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1172144=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1158208=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1144272=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1130336=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1116400=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1102464=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1088528=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1053018)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1466806)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1467758, _1467760), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1466806), _1467740, fail)), '$restore_trace'(_1467758, _1467760))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1467758, _1467760))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1466806), _1467740, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1466806)
   Fail: (223) [system] atomic(_1466806)
   Call: (223) [system] atom_chars(_1466806, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _1053018='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1481756)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1483614)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1493208)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1495912)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1512846)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1518416)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1520274)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1536284)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), a, _1518416)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1553926)
   Call: (223) [system] peek_char((0x560c892e10d0), _1554860)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1553926=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (222) [user] classify_and_convert_charseq([a], _1518416)
^  Call: (223) [user] classify_and_convert_charseq_([a], _1564144)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1565096, _1565098), once(user:catch(read_from_chars([a], _1564144), _1565078, fail)), '$restore_trace'(_1565096, _1565098))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1565096, _1565098))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1565078, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq_([a], a)
   Call: (223) [system] integer(a)
   Fail: (223) [system] integer(a)
   Call: (223) [system] _1518416=a
   Exit: (223) [system] a=a
^  Exit: (222) [user] classify_and_convert_charseq([a], a)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1577224)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1579082)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1588676)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1591380)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1608314)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1613884)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1615742)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1631752)
   Exit: (222) [system] get_char((0x560c892e10d0), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), a, _1613884)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1649394)
   Call: (224) [system] peek_char((0x560c892e10d0), _1650328)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1655048, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1649394=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq([a], _1613884)
^  Call: (224) [user] classify_and_convert_charseq_([a], _1661484)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1662436, _1662438), once(user:catch(read_from_chars([a], _1661484), _1662418, fail)), '$restore_trace'(_1662436, _1662438))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1662436, _1662438))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1662418, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq_([a], a)
   Call: (224) [system] integer(a)
   Fail: (224) [system] integer(a)
   Call: (224) [system] _1613884=a
   Exit: (224) [system] a=a
^  Exit: (223) [user] classify_and_convert_charseq([a], a)
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1674564)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1676422)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1692432)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _1696222)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _1674564=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _1577224=[a]
   Exit: (221) [system] [a]=[a]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (220) [system] _1481756=[a, a]
   Exit: (220) [system] [a, a]=[a, a]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (219) [system] _1008000=['DisjunctionIntroduction', a, a]
   Exit: (219) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1710104)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1711962)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1727972)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1731762)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1710104=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _971340=[['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a]])
   Call: (216) [system] _842412=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (216) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (215) [system] _368656=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1745644)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1747502)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1757096)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1759800)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1776734)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1782304)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1784162)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1800172)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1782304)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1805742)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1821752)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1827322)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1829180)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1845190)
   Exit: (217) [system] get_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1827322)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1862832)
   Call: (219) [system] peek_char((0x560c892e10d0), _1863766)
   Exit: (219) [system] peek_char((0x560c892e10d0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1868486, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1869418, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x560c892e10d0), r)
   Exit: (219) [system] get_char((0x560c892e10d0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1876768)
   Call: (220) [system] peek_char((0x560c892e10d0), _1877702)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1882422, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1883354, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x560c892e10d0), 'L')
   Exit: (220) [system] get_char((0x560c892e10d0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1890704)
   Call: (221) [system] peek_char((0x560c892e10d0), _1891638)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1896358, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1897290, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1904640)
   Call: (222) [system] peek_char((0x560c892e10d0), _1905574)
   Exit: (222) [system] peek_char((0x560c892e10d0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1910294, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1911226, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x560c892e10d0), n)
   Exit: (222) [system] get_char((0x560c892e10d0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1918576)
   Call: (223) [system] peek_char((0x560c892e10d0), _1919510)
   Exit: (223) [system] peek_char((0x560c892e10d0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1924230, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1925162, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x560c892e10d0), k)
   Exit: (223) [system] get_char((0x560c892e10d0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1932512)
   Call: (224) [system] peek_char((0x560c892e10d0), _1933446)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1932512=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1918576=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (222) [system] _1904640=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (221) [system] _1890704=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (220) [system] _1876768=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (219) [system] _1862832=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1827322)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1956700)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1957652, _1957654), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1956700), _1957634, fail)), '$restore_trace'(_1957652, _1957654))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1957652, _1957654))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1956700), _1957634, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1956700)
   Fail: (220) [system] atomic(_1956700)
   Call: (220) [system] atom_chars(_1956700, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _1827322='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1971650)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1973508)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1983102)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1985806)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2002740)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _2008310)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2010168)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _2026178)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _2008310)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2031748)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2047758)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _2053328)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2055186)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _2071196)
   Exit: (220) [system] get_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', _2053328)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2088838)
   Call: (222) [system] peek_char((0x560c892e10d0), _2089772)
   Exit: (222) [system] peek_char((0x560c892e10d0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_2094492, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_2095424, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x560c892e10d0), m)
   Exit: (222) [system] get_char((0x560c892e10d0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _12382)
   Call: (223) [system] peek_char((0x560c892e10d0), _13316)
   Exit: (223) [system] peek_char((0x560c892e10d0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_18036, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_18968, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x560c892e10d0), p)
   Exit: (223) [system] get_char((0x560c892e10d0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _26318)
   Call: (224) [system] peek_char((0x560c892e10d0), _27252)
   Exit: (224) [system] peek_char((0x560c892e10d0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_31972, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_32904, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x560c892e10d0), l)
   Exit: (224) [system] get_char((0x560c892e10d0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _40254)
   Call: (225) [system] peek_char((0x560c892e10d0), _41188)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_45908, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_46840, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _54190)
   Call: (226) [system] peek_char((0x560c892e10d0), _55124)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_59844, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_60776, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _68126)
   Call: (227) [system] peek_char((0x560c892e10d0), _69060)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_73780, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_74712, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x560c892e10d0), a)
   Exit: (227) [system] get_char((0x560c892e10d0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _82062)
   Call: (228) [system] peek_char((0x560c892e10d0), _82996)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_87716, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_88648, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _95998)
   Call: (229) [system] peek_char((0x560c892e10d0), _96932)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_101652, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_102584, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _109934)
   Call: (230) [system] peek_char((0x560c892e10d0), _110868)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_115588, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_116520, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _123870)
   Call: (231) [system] peek_char((0x560c892e10d0), _124804)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_129524, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_130456, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _137806)
   Call: (232) [system] peek_char((0x560c892e10d0), _138740)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _137806=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _123870=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (230) [system] _109934=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (229) [system] _95998=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (228) [system] _82062=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (227) [system] _68126=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (226) [system] _54190=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (225) [system] _40254=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (224) [system] _26318=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _12382=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _6420=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _6416)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _175964)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_176916, _176918), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _175964), _176898, fail)), '$restore_trace'(_176916, _176918))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_176916, _176918))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _175964), _176898, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_175964)
   Fail: (223) [system] atomic(_175964)
   Call: (223) [system] atom_chars(_175964, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _6416='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _190914)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _192772)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _202366)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _205070)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _222004)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _227574)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _229432)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _245442)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _227574)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _251012)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _267022)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _272592)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _274450)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _290460)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _272592)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _308102)
   Call: (225) [system] peek_char((0x560c892e10d0), _309036)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_313756, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_314688, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _322038)
   Call: (226) [system] peek_char((0x560c892e10d0), _322972)
   Exit: (226) [system] peek_char((0x560c892e10d0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_327692, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_328624, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x560c892e10d0), d)
   Exit: (226) [system] get_char((0x560c892e10d0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _335974)
   Call: (227) [system] peek_char((0x560c892e10d0), _336908)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_341628, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_342560, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x560c892e10d0), 'L')
   Exit: (227) [system] get_char((0x560c892e10d0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _349910)
   Call: (228) [system] peek_char((0x560c892e10d0), _350844)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_355564, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_356496, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _363846)
   Call: (229) [system] peek_char((0x560c892e10d0), _364780)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_369500, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_370432, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _377782)
   Call: (230) [system] peek_char((0x560c892e10d0), _378716)
   Exit: (230) [system] peek_char((0x560c892e10d0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_383436, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_384368, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x560c892e10d0), k)
   Exit: (230) [system] get_char((0x560c892e10d0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _391718)
   Call: (231) [system] peek_char((0x560c892e10d0), _392652)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _391718=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (230) [system] _377782=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (229) [system] _363846=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (228) [system] _349910=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (227) [system] _335974=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (226) [system] _322038=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (225) [system] _308102=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _272592)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _418700)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_419652, _419654), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _418700), _419634, fail)), '$restore_trace'(_419652, _419654))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_419652, _419654))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _418700), _419634, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_418700)
   Fail: (226) [system] atomic(_418700)
   Call: (226) [system] atom_chars(_418700, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _272592='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _433650)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _435508)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _445102)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _447806)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _464740)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _470310)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _472168)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _488178)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _470310)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _505820)
   Call: (226) [system] peek_char((0x560c892e10d0), _506754)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _505820=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _470310)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _516038)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_516990, _516992), once(user:catch(read_from_chars(['A'], _516038), _516972, fail)), '$restore_trace'(_516990, _516992))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_516990, _516992))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _516038), _516972, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_516038)
   Fail: (227) [system] atomic(_516038)
   Call: (227) [system] atom_chars(_516038, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _470310='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _530988)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _532846)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _542440)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _545144)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _562078)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _567648)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _569506)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _585516)
   Exit: (225) [system] get_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', _567648)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _603158)
   Call: (227) [system] peek_char((0x560c892e10d0), _604092)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_608812, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _603158=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _567648)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _615248)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_616200, _616202), once(user:catch(read_from_chars(['B'], _615248), _616182, fail)), '$restore_trace'(_616200, _616202))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_616200, _616202))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _615248), _616182, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_615248)
   Fail: (228) [system] atomic(_615248)
   Call: (228) [system] atom_chars(_615248, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _567648='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _630198)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _632056)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _648066)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _651856)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _630198=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _530988=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (223) [system] _433650=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (222) [system] _227574=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _665738)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _667596)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _677190)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _679894)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _696828)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _702398)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _704256)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _720266)
   Exit: (222) [system] get_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', _702398)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _737908)
   Call: (224) [system] peek_char((0x560c892e10d0), _738842)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_743562, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _737908=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _702398)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _749998)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_750950, _750952), once(user:catch(read_from_chars(['C'], _749998), _750932, fail)), '$restore_trace'(_750950, _750952))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_750950, _750952))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _749998), _750932, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_749998)
   Fail: (225) [system] atomic(_749998)
   Call: (225) [system] atom_chars(_749998, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _702398='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _764948)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _766806)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _782816)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _786606)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _764948=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _665738=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (220) [system] _190914=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _6410=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _800488)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _802346)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _811940)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _814644)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _831578)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _837148)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _839006)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _855016)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _837148)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _860586)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _876596)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _882166)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _884024)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _900034)
   Exit: (221) [system] get_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', _882166)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _917676)
   Call: (223) [system] peek_char((0x560c892e10d0), _918610)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_923330, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_924262, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _931612)
   Call: (224) [system] peek_char((0x560c892e10d0), _932546)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_937266, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_938198, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x560c892e10d0), 'L')
   Exit: (224) [system] get_char((0x560c892e10d0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _945548)
   Call: (225) [system] peek_char((0x560c892e10d0), _946482)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_951202, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_952134, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _959484)
   Call: (226) [system] peek_char((0x560c892e10d0), _960418)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_965138, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_966070, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _973420)
   Call: (227) [system] peek_char((0x560c892e10d0), _974354)
   Exit: (227) [system] peek_char((0x560c892e10d0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_979074, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_980006, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x560c892e10d0), k)
   Exit: (227) [system] get_char((0x560c892e10d0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _987356)
   Call: (228) [system] peek_char((0x560c892e10d0), _988290)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _987356=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _973420=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (226) [system] _959484=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (225) [system] _945548=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (224) [system] _931612=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (223) [system] _917676=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _882166)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1011544)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1012496, _1012498), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1011544), _1012478, fail)), '$restore_trace'(_1012496, _1012498))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1012496, _1012498))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1011544), _1012478, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1011544)
   Fail: (224) [system] atomic(_1011544)
   Call: (224) [system] atom_chars(_1011544, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _882166='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1026494)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1028352)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1037946)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1040650)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1057584)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1063154)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1065012)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1081022)
   Exit: (222) [system] get_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1063154)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1098664)
   Call: (224) [system] peek_char((0x560c892e10d0), _1099598)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1098664=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _1063154)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _1108882)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1109834, _1109836), once(user:catch(read_from_chars(['A'], _1108882), _1109816, fail)), '$restore_trace'(_1109834, _1109836))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1109834, _1109836))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1108882), _1109816, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1108882)
   Fail: (225) [system] atomic(_1108882)
   Call: (225) [system] atom_chars(_1108882, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _1063154='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1123832)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1125690)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1135284)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1137988)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1154922)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1160492)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1162350)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1178360)
   Exit: (223) [system] get_char((0x560c892e10d0), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1160492)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1196002)
   Call: (225) [system] peek_char((0x560c892e10d0), _1196936)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1201656, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1196002=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _1160492)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _1208092)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1209044, _1209046), once(user:catch(read_from_chars(['B'], _1208092), _1209026, fail)), '$restore_trace'(_1209044, _1209046))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1209044, _1209046))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1208092), _1209026, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1208092)
   Fail: (226) [system] atomic(_1208092)
   Call: (226) [system] atom_chars(_1208092, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _1160492='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1223042)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1224900)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1240910)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1244700)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1223042=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1123832=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (221) [system] _1026494=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (220) [system] _837148=['OrLink', 'A', 'B']
   Exit: (220) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1258582)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1260440)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1276450)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _1280240)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _1258582=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _800488=[['OrLink', 'A', 'B']]
   Exit: (218) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', 'B']])
   Call: (217) [system] _6406=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
   Call: (216) [system] _6398=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1294122)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1295980)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1311990)
   Exit: (215) [system] peek_char((0x560c892e10d0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x560c892e10d0), _1315780)
   Exit: (215) [system] get_char((0x560c892e10d0), ')')
   Call: (215) [system] _1294122=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [])
   Call: (214) [system] _6394=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (213) [system] _6352=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (212) [system] _6344=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (211) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Exit: (210) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Call: (210) [user] read_list(')', (0x560c892e10d0), _1329662)
^  Call: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1331520)
   Exit: (212) [system] peek_char((0x560c892e10d0), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
   Call: (212) [system] '\n'=(/)
   Fail: (212) [system] '\n'=(/)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x560c892e10d0), _1342970)
   Exit: (212) [system] get_char((0x560c892e10d0), '\n')
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1345674)
   Exit: (213) [system] peek_char((0x560c892e10d0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x560c892e10d0), _1355268)
   Exit: (213) [system] get_char((0x560c892e10d0), ' ')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1357972)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
^  Exit: (211) [user] skip_spaces((0x560c892e10d0))
   Call: (211) [system] peek_char((0x560c892e10d0), _1375830)
   Exit: (211) [system] peek_char((0x560c892e10d0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x560c892e10d0), _1381400)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1383258)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] get_char((0x560c892e10d0), _1399268)
   Exit: (212) [system] get_char((0x560c892e10d0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _1381400)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1404838)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1420848)
   Exit: (213) [system] peek_char((0x560c892e10d0), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _1426418)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1428276)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _1444286)
   Exit: (214) [system] get_char((0x560c892e10d0), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x560c892e10d0), :, _1426418)
^  Call: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), _1461928)
   Call: (216) [system] peek_char((0x560c892e10d0), _1462862)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1461928=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (215) [user] classify_and_convert_charseq([:], _1426418)
^  Call: (216) [user] classify_and_convert_charseq_([:], _1472146)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1473098, _1473100), once(user:catch(read_from_chars([:], _1472146), _1473080, fail)), '$restore_trace'(_1473098, _1473100))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1473098, _1473100))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1473080, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq_([:], :)
   Call: (216) [system] integer(:)
   Fail: (216) [system] integer(:)
   Call: (216) [system] _1426418=(:)
   Exit: (216) [system] (:)=(:)
^  Exit: (215) [user] classify_and_convert_charseq([:], :)
^  Exit: (214) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1485226)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1487084)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _1496678)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1499382)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1516316)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1521886)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1523744)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1539754)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1521886)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1545324)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1561334)
   Exit: (216) [system] peek_char((0x560c892e10d0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1566904)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1568762)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1584772)
   Exit: (217) [system] get_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1566904)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1602414)
   Call: (219) [system] peek_char((0x560c892e10d0), _1603348)
   Exit: (219) [system] peek_char((0x560c892e10d0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1608068, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1609000, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x560c892e10d0), i)
   Exit: (219) [system] get_char((0x560c892e10d0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1616350)
   Call: (220) [system] peek_char((0x560c892e10d0), _1617284)
   Exit: (220) [system] peek_char((0x560c892e10d0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1622004, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_1622936, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x560c892e10d0), s)
   Exit: (220) [system] get_char((0x560c892e10d0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1630286)
   Call: (221) [system] peek_char((0x560c892e10d0), _1631220)
   Exit: (221) [system] peek_char((0x560c892e10d0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1635940, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_1636872, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x560c892e10d0), j)
   Exit: (221) [system] get_char((0x560c892e10d0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1644222)
   Call: (222) [system] peek_char((0x560c892e10d0), _1645156)
   Exit: (222) [system] peek_char((0x560c892e10d0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1649876, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1650808, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x560c892e10d0), u)
   Exit: (222) [system] get_char((0x560c892e10d0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1658158)
   Call: (223) [system] peek_char((0x560c892e10d0), _1659092)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1663812, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1664744, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1672094)
   Call: (224) [system] peek_char((0x560c892e10d0), _1673028)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1677748, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1678680, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1686030)
   Call: (225) [system] peek_char((0x560c892e10d0), _1686964)
   Exit: (225) [system] peek_char((0x560c892e10d0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1691684, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1692616, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x560c892e10d0), t)
   Exit: (225) [system] get_char((0x560c892e10d0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1699966)
   Call: (226) [system] peek_char((0x560c892e10d0), _1700900)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1705620, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1706552, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1713902)
   Call: (227) [system] peek_char((0x560c892e10d0), _1714836)
   Exit: (227) [system] peek_char((0x560c892e10d0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1719556, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1720488, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x560c892e10d0), o)
   Exit: (227) [system] get_char((0x560c892e10d0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1727838)
   Call: (228) [system] peek_char((0x560c892e10d0), _1728772)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1733492, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1734424, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1741774)
   Call: (229) [system] peek_char((0x560c892e10d0), _1742708)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1747428, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_1748360, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x560c892e10d0), 'I')
   Exit: (229) [system] get_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1755710)
   Call: (230) [system] peek_char((0x560c892e10d0), _1756644)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1761364, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1762296, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1769646)
   Call: (231) [system] peek_char((0x560c892e10d0), _1770580)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1775300, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1776232, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1783582)
   Call: (232) [system] peek_char((0x560c892e10d0), _1784516)
   Exit: (232) [system] peek_char((0x560c892e10d0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1789236, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1790168, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x560c892e10d0), r)
   Exit: (232) [system] get_char((0x560c892e10d0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1797518)
   Call: (233) [system] peek_char((0x560c892e10d0), _1798452)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1803172, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1804104, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1811454)
   Call: (234) [system] peek_char((0x560c892e10d0), _1812388)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1817108, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_1818040, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1825390)
   Call: (235) [system] peek_char((0x560c892e10d0), _1826324)
   Exit: (235) [system] peek_char((0x560c892e10d0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1831044, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1831976, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x560c892e10d0), u)
   Exit: (235) [system] get_char((0x560c892e10d0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1839326)
   Call: (236) [system] peek_char((0x560c892e10d0), _1840260)
   Exit: (236) [system] peek_char((0x560c892e10d0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1844980, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1845912, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x560c892e10d0), c)
   Exit: (236) [system] get_char((0x560c892e10d0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1853262)
   Call: (237) [system] peek_char((0x560c892e10d0), _1854196)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1858916, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1859848, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1867198)
   Call: (238) [system] peek_char((0x560c892e10d0), _1868132)
   Exit: (238) [system] peek_char((0x560c892e10d0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1872852, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1873784, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x560c892e10d0), i)
   Exit: (238) [system] get_char((0x560c892e10d0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1881134)
   Call: (239) [system] peek_char((0x560c892e10d0), _1882068)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1886788, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1887720, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1895070)
   Call: (240) [system] peek_char((0x560c892e10d0), _1896004)
   Exit: (240) [system] peek_char((0x560c892e10d0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1900724, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1901656, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x560c892e10d0), n)
   Exit: (240) [system] get_char((0x560c892e10d0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1909006)
   Call: (241) [system] peek_char((0x560c892e10d0), _1909940)
   Exit: (241) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1909006=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (240) [system] _1895070=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (239) [system] _1881134=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (238) [system] _1867198=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (237) [system] _1853262=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (236) [system] _1839326=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (235) [system] _1825390=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (234) [system] _1811454=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (233) [system] _1797518=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _1783582=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1769646=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1755710=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1741774=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1727838=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1713902=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1699966=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1686030=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1672094=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1658158=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1644222=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1630286=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1616350=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1602414=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1566904)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1980692)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1981644, _1981646), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1980692), _1981626, fail)), '$restore_trace'(_1981644, _1981646))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1981644, _1981646))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1980692), _1981626, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1980692)
   Fail: (220) [system] atomic(_1980692)
   Call: (220) [system] atom_chars(_1980692, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _1566904='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1995642)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1997500)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _2007094)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2009798)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _2026732)
   Exit: (217) [system] peek_char((0x560c892e10d0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _2032302)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2034160)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _2050170)
   Exit: (218) [system] get_char((0x560c892e10d0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), a, _2032302)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _2067812)
   Call: (220) [system] peek_char((0x560c892e10d0), _2068746)
   Exit: (220) [system] peek_char((0x560c892e10d0), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_2073466, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_2074398, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x560c892e10d0), b)
   Exit: (220) [system] get_char((0x560c892e10d0), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _2081748)
   Call: (221) [system] peek_char((0x560c892e10d0), _2082682)
   Exit: (221) [system] peek_char((0x560c892e10d0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_2087402, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_2088334, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x560c892e10d0), c)
   Exit: (221) [system] get_char((0x560c892e10d0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2095684)
   Call: (222) [system] peek_char((0x560c892e10d0), _6516)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _6512=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (221) [system] _6508=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (220) [system] _6504=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _6500)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _21206)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_22158, _22160), once(user:catch(read_from_chars([a, b, c], _21206), _22140, fail)), '$restore_trace'(_22158, _22160))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_22158, _22160))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _22140, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _6500=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _34286)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _36144)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _45738)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _48442)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _65376)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _70946)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _72804)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _88814)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _70946)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _94384)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _110394)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _115964)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _117822)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _133832)
   Exit: (221) [system] get_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'D', _115964)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _151474)
   Call: (223) [system] peek_char((0x560c892e10d0), _152408)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_157128, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_158060, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _165410)
   Call: (224) [system] peek_char((0x560c892e10d0), _166344)
   Exit: (224) [system] peek_char((0x560c892e10d0), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_171064, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_171996, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x560c892e10d0), s)
   Exit: (224) [system] get_char((0x560c892e10d0), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _179346)
   Call: (225) [system] peek_char((0x560c892e10d0), _180280)
   Exit: (225) [system] peek_char((0x560c892e10d0), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_185000, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_185932, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x560c892e10d0), j)
   Exit: (225) [system] get_char((0x560c892e10d0), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _193282)
   Call: (226) [system] peek_char((0x560c892e10d0), _194216)
   Exit: (226) [system] peek_char((0x560c892e10d0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_198936, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_199868, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x560c892e10d0), u)
   Exit: (226) [system] get_char((0x560c892e10d0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _207218)
   Call: (227) [system] peek_char((0x560c892e10d0), _208152)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_212872, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_213804, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _221154)
   Call: (228) [system] peek_char((0x560c892e10d0), _222088)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_226808, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_227740, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _235090)
   Call: (229) [system] peek_char((0x560c892e10d0), _236024)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_240744, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_241676, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _249026)
   Call: (230) [system] peek_char((0x560c892e10d0), _249960)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_254680, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_255612, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _262962)
   Call: (231) [system] peek_char((0x560c892e10d0), _263896)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_268616, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_269548, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _276898)
   Call: (232) [system] peek_char((0x560c892e10d0), _277832)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_282552, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_283484, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _290834)
   Call: (233) [system] peek_char((0x560c892e10d0), _291768)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_296488, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_297420, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x560c892e10d0), 'I')
   Exit: (233) [system] get_char((0x560c892e10d0), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _304770)
   Call: (234) [system] peek_char((0x560c892e10d0), _305704)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_310424, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_311356, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _318706)
   Call: (235) [system] peek_char((0x560c892e10d0), _319640)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_324360, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_325292, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _332642)
   Call: (236) [system] peek_char((0x560c892e10d0), _333576)
   Exit: (236) [system] peek_char((0x560c892e10d0), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_338296, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_339228, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x560c892e10d0), r)
   Exit: (236) [system] get_char((0x560c892e10d0), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _346578)
   Call: (237) [system] peek_char((0x560c892e10d0), _347512)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_352232, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_353164, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _360514)
   Call: (238) [system] peek_char((0x560c892e10d0), _361448)
   Exit: (238) [system] peek_char((0x560c892e10d0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_366168, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_367100, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x560c892e10d0), d)
   Exit: (238) [system] get_char((0x560c892e10d0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _374450)
   Call: (239) [system] peek_char((0x560c892e10d0), _375384)
   Exit: (239) [system] peek_char((0x560c892e10d0), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_380104, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_381036, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x560c892e10d0), u)
   Exit: (239) [system] get_char((0x560c892e10d0), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _388386)
   Call: (240) [system] peek_char((0x560c892e10d0), _389320)
   Exit: (240) [system] peek_char((0x560c892e10d0), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_394040, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_394972, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x560c892e10d0), c)
   Exit: (240) [system] get_char((0x560c892e10d0), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _402322)
   Call: (241) [system] peek_char((0x560c892e10d0), _403256)
   Exit: (241) [system] peek_char((0x560c892e10d0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_407976, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_408908, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x560c892e10d0), t)
   Exit: (241) [system] get_char((0x560c892e10d0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _416258)
   Call: (242) [system] peek_char((0x560c892e10d0), _417192)
   Exit: (242) [system] peek_char((0x560c892e10d0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_421912, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_422844, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x560c892e10d0), i)
   Exit: (242) [system] get_char((0x560c892e10d0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _430194)
   Call: (243) [system] peek_char((0x560c892e10d0), _431128)
   Exit: (243) [system] peek_char((0x560c892e10d0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_435848, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_436780, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x560c892e10d0), o)
   Exit: (243) [system] get_char((0x560c892e10d0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _444130)
   Call: (244) [system] peek_char((0x560c892e10d0), _445064)
   Exit: (244) [system] peek_char((0x560c892e10d0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_449784, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_450716, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x560c892e10d0), n)
   Exit: (244) [system] get_char((0x560c892e10d0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _458066)
   Call: (245) [system] peek_char((0x560c892e10d0), _459000)
   Exit: (245) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _458066=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (244) [system] _444130=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (243) [system] _430194=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (242) [system] _416258=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (241) [system] _402322=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (240) [system] _388386=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (239) [system] _374450=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (238) [system] _360514=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (237) [system] _346578=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _332642=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _318706=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _304770=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _290834=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _276898=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _262962=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _249026=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _235090=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _221154=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _207218=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _193282=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _179346=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _165410=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _151474=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _115964)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _529752)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_530704, _530706), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _529752), _530686, fail)), '$restore_trace'(_530704, _530706))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_530704, _530706))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _529752), _530686, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_529752)
   Fail: (224) [system] atomic(_529752)
   Call: (224) [system] atom_chars(_529752, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _115964='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _544702)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _546560)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _556154)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _558858)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _575792)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _581362)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _583220)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
   Call: (223) [system] a=(/)
   Fail: (223) [system] a=(/)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _599230)
   Exit: (222) [system] get_char((0x560c892e10d0), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), a, _581362)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _616872)
   Call: (224) [system] peek_char((0x560c892e10d0), _617806)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _616872=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (223) [user] classify_and_convert_charseq([a], _581362)
^  Call: (224) [user] classify_and_convert_charseq_([a], _627090)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_628042, _628044), once(user:catch(read_from_chars([a], _627090), _628024, fail)), '$restore_trace'(_628042, _628044))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_628042, _628044))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _628024, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq_([a], a)
   Call: (224) [system] integer(a)
   Fail: (224) [system] integer(a)
   Call: (224) [system] _581362=a
   Exit: (224) [system] a=a
^  Exit: (223) [user] classify_and_convert_charseq([a], a)
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _640170)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _642028)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _651622)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _654326)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _671260)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _676830)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _678688)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _694698)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), c, _676830)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _712340)
   Call: (225) [system] peek_char((0x560c892e10d0), _713274)
   Exit: (225) [system] peek_char((0x560c892e10d0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_717994, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_718926, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x560c892e10d0), d)
   Exit: (225) [system] get_char((0x560c892e10d0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _726276)
   Call: (226) [system] peek_char((0x560c892e10d0), _727210)
   Exit: (226) [system] peek_char((0x560c892e10d0), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_731930, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_732862, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x560c892e10d0), e)
   Exit: (226) [system] get_char((0x560c892e10d0), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _740212)
   Call: (227) [system] peek_char((0x560c892e10d0), _741146)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_745866, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _740212=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _726276=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [e])
   Call: (225) [system] _712340=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _676830)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _757890)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_758842, _758844), once(user:catch(read_from_chars([c, d, e], _757890), _758824, fail)), '$restore_trace'(_758842, _758844))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_758842, _758844))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _758824, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _676830=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), cde)
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _770970)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _772828)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _788838)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _792628)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _770970=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _640170=[cde]
   Exit: (222) [system] [cde]=[cde]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [cde])
   Call: (221) [system] _544702=[a, cde]
   Exit: (221) [system] [a, cde]=[a, cde]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [a, cde])
   Call: (220) [system] _70946=['DisjunctionIntroduction', a, cde]
   Exit: (220) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, cde])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _806510)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _808368)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _824378)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x560c892e10d0), _828168)
   Exit: (219) [system] get_char((0x560c892e10d0), ')')
   Call: (219) [system] _806510=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [])
   Call: (218) [system] _34286=[['DisjunctionIntroduction', a, cde]]
   Exit: (218) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, cde]])
   Call: (217) [system] _6496=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (217) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (216) [system] _6488=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _842050)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _843908)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _853502)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _856206)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _873140)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _878710)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _880568)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _896578)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _878710)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _902148)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _918158)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _923728)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _925586)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _941596)
   Exit: (218) [system] get_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', _923728)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _959238)
   Call: (220) [system] peek_char((0x560c892e10d0), _960172)
   Exit: (220) [system] peek_char((0x560c892e10d0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_964892, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_965824, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x560c892e10d0), r)
   Exit: (220) [system] get_char((0x560c892e10d0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _973174)
   Call: (221) [system] peek_char((0x560c892e10d0), _974108)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_978828, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_979760, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x560c892e10d0), 'L')
   Exit: (221) [system] get_char((0x560c892e10d0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _987110)
   Call: (222) [system] peek_char((0x560c892e10d0), _988044)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_992764, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_993696, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1001046)
   Call: (223) [system] peek_char((0x560c892e10d0), _1001980)
   Exit: (223) [system] peek_char((0x560c892e10d0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1006700, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1007632, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x560c892e10d0), n)
   Exit: (223) [system] get_char((0x560c892e10d0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1014982)
   Call: (224) [system] peek_char((0x560c892e10d0), _1015916)
   Exit: (224) [system] peek_char((0x560c892e10d0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1020636, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_1021568, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x560c892e10d0), k)
   Exit: (224) [system] get_char((0x560c892e10d0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1028918)
   Call: (225) [system] peek_char((0x560c892e10d0), _1029852)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1028918=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1014982=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (223) [system] _1001046=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (222) [system] _987110=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (221) [system] _973174=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (220) [system] _959238=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _923728)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1053106)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1054058, _1054060), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1053106), _1054040, fail)), '$restore_trace'(_1054058, _1054060))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1054058, _1054060))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1053106), _1054040, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1053106)
   Fail: (221) [system] atomic(_1053106)
   Call: (221) [system] atom_chars(_1053106, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _923728='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1068056)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1069914)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1079508)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1082212)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1099146)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1104716)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1106574)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1122584)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1104716)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1128154)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1144164)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1149734)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1151592)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1167602)
   Exit: (221) [system] get_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1149734)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1185244)
   Call: (223) [system] peek_char((0x560c892e10d0), _1186178)
   Exit: (223) [system] peek_char((0x560c892e10d0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1190898, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_1191830, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x560c892e10d0), m)
   Exit: (223) [system] get_char((0x560c892e10d0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1199180)
   Call: (224) [system] peek_char((0x560c892e10d0), _1200114)
   Exit: (224) [system] peek_char((0x560c892e10d0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1204834, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_1205766, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x560c892e10d0), p)
   Exit: (224) [system] get_char((0x560c892e10d0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1213116)
   Call: (225) [system] peek_char((0x560c892e10d0), _1214050)
   Exit: (225) [system] peek_char((0x560c892e10d0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1218770, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_1219702, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x560c892e10d0), l)
   Exit: (225) [system] get_char((0x560c892e10d0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1227052)
   Call: (226) [system] peek_char((0x560c892e10d0), _1227986)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1232706, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1233638, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1240988)
   Call: (227) [system] peek_char((0x560c892e10d0), _1241922)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1246642, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1247574, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1254924)
   Call: (228) [system] peek_char((0x560c892e10d0), _1255858)
   Exit: (228) [system] peek_char((0x560c892e10d0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1260578, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_1261510, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x560c892e10d0), a)
   Exit: (228) [system] get_char((0x560c892e10d0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1268860)
   Call: (229) [system] peek_char((0x560c892e10d0), _1269794)
   Exit: (229) [system] peek_char((0x560c892e10d0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1274514, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1275446, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x560c892e10d0), t)
   Exit: (229) [system] get_char((0x560c892e10d0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1282796)
   Call: (230) [system] peek_char((0x560c892e10d0), _1283730)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1288450, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1289382, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1296732)
   Call: (231) [system] peek_char((0x560c892e10d0), _1297666)
   Exit: (231) [system] peek_char((0x560c892e10d0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1302386, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1303318, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x560c892e10d0), o)
   Exit: (231) [system] get_char((0x560c892e10d0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1310668)
   Call: (232) [system] peek_char((0x560c892e10d0), _1311602)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1316322, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1317254, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1324604)
   Call: (233) [system] peek_char((0x560c892e10d0), _1325538)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1324604=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1310668=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (231) [system] _1296732=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (230) [system] _1282796=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (229) [system] _1268860=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (228) [system] _1254924=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (227) [system] _1240988=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (226) [system] _1227052=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (225) [system] _1213116=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1199180=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1185244=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1149734)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1362762)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1363714, _1363716), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1362762), _1363696, fail)), '$restore_trace'(_1363714, _1363716))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1363714, _1363716))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1362762), _1363696, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1362762)
   Fail: (224) [system] atomic(_1362762)
   Call: (224) [system] atom_chars(_1362762, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _1149734='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1377712)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1379570)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1389164)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1391868)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1408802)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1414372)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1416230)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1432240)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1414372)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1437810)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1453820)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1459390)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1461248)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1477258)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1459390)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1494900)
   Call: (226) [system] peek_char((0x560c892e10d0), _1495834)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1500554, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1501486, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508836)
   Call: (227) [system] peek_char((0x560c892e10d0), _1509770)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1514490, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1515422, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522772)
   Call: (228) [system] peek_char((0x560c892e10d0), _1523706)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1528426, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1529358, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536708)
   Call: (229) [system] peek_char((0x560c892e10d0), _1537642)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1542362, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1543294, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1550644)
   Call: (230) [system] peek_char((0x560c892e10d0), _1551578)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1556298, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1557230, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1564580)
   Call: (231) [system] peek_char((0x560c892e10d0), _1565514)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1570234, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1571166, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1578516)
   Call: (232) [system] peek_char((0x560c892e10d0), _1579450)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1578516=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1564580=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1550644=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1536708=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1522772=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1508836=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (226) [system] _1494900=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1459390)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1605498)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1606450, _1606452), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1605498), _1606432, fail)), '$restore_trace'(_1606450, _1606452))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1606450, _1606452))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1605498), _1606432, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1605498)
   Fail: (227) [system] atomic(_1605498)
   Call: (227) [system] atom_chars(_1605498, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _1459390='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1620448)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1622306)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1631900)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1634604)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1651538)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1657108)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1658966)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1674976)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1657108)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1692618)
   Call: (227) [system] peek_char((0x560c892e10d0), _1693552)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1692618=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1657108)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1702836)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1703788, _1703790), once(user:catch(read_from_chars(['A'], _1702836), _1703770, fail)), '$restore_trace'(_1703788, _1703790))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1703788, _1703790))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1702836), _1703770, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1702836)
   Fail: (228) [system] atomic(_1702836)
   Call: (228) [system] atom_chars(_1702836, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1657108='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1717786)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1719644)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1729238)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1731942)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1748876)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1754446)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1756304)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1772314)
   Exit: (226) [system] get_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1754446)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1789956)
   Call: (228) [system] peek_char((0x560c892e10d0), _1790890)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1795610, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1789956=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _1754446)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _1802046)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1802998, _1803000), once(user:catch(read_from_chars(['B'], _1802046), _1802980, fail)), '$restore_trace'(_1802998, _1803000))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1802998, _1803000))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1802046), _1802980, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1802046)
   Fail: (229) [system] atomic(_1802046)
   Call: (229) [system] atom_chars(_1802046, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _1754446='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1816996)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1818854)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1834864)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1838654)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1816996=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _1717786=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (224) [system] _1620448=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (223) [system] _1414372=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1852536)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1854394)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1863988)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1866692)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1883626)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1889196)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1891054)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1907064)
   Exit: (223) [system] get_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1889196)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1924706)
   Call: (225) [system] peek_char((0x560c892e10d0), _1925640)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1930360, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1924706=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _1889196)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _1936796)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1937748, _1937750), once(user:catch(read_from_chars(['C'], _1936796), _1937730, fail)), '$restore_trace'(_1937748, _1937750))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1937748, _1937750))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1936796), _1937730, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1936796)
   Fail: (226) [system] atomic(_1936796)
   Call: (226) [system] atom_chars(_1936796, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _1889196='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1951746)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1953604)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1969614)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x560c892e10d0), _1973404)
   Exit: (223) [system] get_char((0x560c892e10d0), ')')
   Call: (223) [system] _1951746=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [])
   Call: (222) [system] _1852536=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (221) [system] _1377712=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _1104716=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1987286)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1989144)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _1998738)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2001442)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2018376)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _2023946)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2025804)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _2041814)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _2023946)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2047384)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2063394)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _2068964)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _2070822)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _2086832)
   Exit: (222) [system] get_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', _6590)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _14378)
   Call: (224) [system] peek_char((0x560c892e10d0), _15312)
   Exit: (224) [system] peek_char((0x560c892e10d0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_20032, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_20964, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x560c892e10d0), r)
   Exit: (224) [system] get_char((0x560c892e10d0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _28314)
   Call: (225) [system] peek_char((0x560c892e10d0), _29248)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_33968, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_34900, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x560c892e10d0), 'L')
   Exit: (225) [system] get_char((0x560c892e10d0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _42250)
   Call: (226) [system] peek_char((0x560c892e10d0), _43184)
   Exit: (226) [system] peek_char((0x560c892e10d0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_47904, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_48836, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x560c892e10d0), i)
   Exit: (226) [system] get_char((0x560c892e10d0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _56186)
   Call: (227) [system] peek_char((0x560c892e10d0), _57120)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_61840, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_62772, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _70122)
   Call: (228) [system] peek_char((0x560c892e10d0), _71056)
   Exit: (228) [system] peek_char((0x560c892e10d0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_75776, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_76708, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x560c892e10d0), k)
   Exit: (228) [system] get_char((0x560c892e10d0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _84058)
   Call: (229) [system] peek_char((0x560c892e10d0), _84992)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _84058=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _70122=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (227) [system] _56186=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (226) [system] _42250=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (225) [system] _28314=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (224) [system] _14378=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _6590)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _108246)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_109198, _109200), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _108246), _109180, fail)), '$restore_trace'(_109198, _109200))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_109198, _109200))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _108246), _109180, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_108246)
   Fail: (225) [system] atomic(_108246)
   Call: (225) [system] atom_chars(_108246, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _6590='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _123196)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _125054)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _134648)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _137352)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _154286)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _159856)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _161714)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _177724)
   Exit: (223) [system] get_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', _159856)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _195366)
   Call: (225) [system] peek_char((0x560c892e10d0), _196300)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _195366=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _159856)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _205584)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_206536, _206538), once(user:catch(read_from_chars(['A'], _205584), _206518, fail)), '$restore_trace'(_206536, _206538))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_206536, _206538))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _205584), _206518, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_205584)
   Fail: (226) [system] atomic(_205584)
   Call: (226) [system] atom_chars(_205584, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _159856='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _220534)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _222392)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _231986)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _234690)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _251624)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _257194)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _259052)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _275062)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _257194)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _280632)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _296642)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _302212)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _304070)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _320080)
   Exit: (226) [system] get_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'I', _302212)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _337722)
   Call: (228) [system] peek_char((0x560c892e10d0), _338656)
   Exit: (228) [system] peek_char((0x560c892e10d0), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_343376, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_344308, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x560c892e10d0), m)
   Exit: (228) [system] get_char((0x560c892e10d0), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _351658)
   Call: (229) [system] peek_char((0x560c892e10d0), _352592)
   Exit: (229) [system] peek_char((0x560c892e10d0), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_357312, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_358244, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x560c892e10d0), p)
   Exit: (229) [system] get_char((0x560c892e10d0), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _365594)
   Call: (230) [system] peek_char((0x560c892e10d0), _366528)
   Exit: (230) [system] peek_char((0x560c892e10d0), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_371248, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_372180, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x560c892e10d0), l)
   Exit: (230) [system] get_char((0x560c892e10d0), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _379530)
   Call: (231) [system] peek_char((0x560c892e10d0), _380464)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_385184, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_386116, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _393466)
   Call: (232) [system] peek_char((0x560c892e10d0), _394400)
   Exit: (232) [system] peek_char((0x560c892e10d0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_399120, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_400052, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x560c892e10d0), c)
   Exit: (232) [system] get_char((0x560c892e10d0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _407402)
   Call: (233) [system] peek_char((0x560c892e10d0), _408336)
   Exit: (233) [system] peek_char((0x560c892e10d0), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_413056, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_413988, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x560c892e10d0), a)
   Exit: (233) [system] get_char((0x560c892e10d0), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _421338)
   Call: (234) [system] peek_char((0x560c892e10d0), _422272)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_426992, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_427924, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _435274)
   Call: (235) [system] peek_char((0x560c892e10d0), _436208)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_440928, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_441860, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _449210)
   Call: (236) [system] peek_char((0x560c892e10d0), _450144)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_454864, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_455796, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _463146)
   Call: (237) [system] peek_char((0x560c892e10d0), _464080)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_468800, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_469732, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _477082)
   Call: (238) [system] peek_char((0x560c892e10d0), _478016)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _477082=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _463146=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (236) [system] _449210=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (235) [system] _435274=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (234) [system] _421338=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (233) [system] _407402=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (232) [system] _393466=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (231) [system] _379530=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (230) [system] _365594=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _351658=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _337722=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _302212)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _515240)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_516192, _516194), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _515240), _516174, fail)), '$restore_trace'(_516192, _516194))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_516192, _516194))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _515240), _516174, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_515240)
   Fail: (229) [system] atomic(_515240)
   Call: (229) [system] atom_chars(_515240, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _302212='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _530190)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _532048)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _541642)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _544346)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _561280)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _566850)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _568708)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _584718)
   Exit: (227) [system] get_char((0x560c892e10d0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _566850)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _590288)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _606298)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _611868)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _613726)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _629736)
   Exit: (229) [system] get_char((0x560c892e10d0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', _611868)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _647378)
   Call: (231) [system] peek_char((0x560c892e10d0), _648312)
   Exit: (231) [system] peek_char((0x560c892e10d0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_653032, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_653964, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x560c892e10d0), r)
   Exit: (231) [system] get_char((0x560c892e10d0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _661314)
   Call: (232) [system] peek_char((0x560c892e10d0), _662248)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_666968, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_667900, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x560c892e10d0), 'L')
   Exit: (232) [system] get_char((0x560c892e10d0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _675250)
   Call: (233) [system] peek_char((0x560c892e10d0), _676184)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_680904, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_681836, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _689186)
   Call: (234) [system] peek_char((0x560c892e10d0), _690120)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_694840, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_695772, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _703122)
   Call: (235) [system] peek_char((0x560c892e10d0), _704056)
   Exit: (235) [system] peek_char((0x560c892e10d0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_708776, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_709708, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x560c892e10d0), k)
   Exit: (235) [system] get_char((0x560c892e10d0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _717058)
   Call: (236) [system] peek_char((0x560c892e10d0), _717992)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _717058=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _703122=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (234) [system] _689186=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (233) [system] _675250=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (232) [system] _661314=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (231) [system] _647378=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _611868)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _741246)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_742198, _742200), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741246), _742180, fail)), '$restore_trace'(_742198, _742200))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_742198, _742200))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741246), _742180, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_741246)
   Fail: (232) [system] atomic(_741246)
   Call: (232) [system] atom_chars(_741246, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _611868='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _756196)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _758054)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _767648)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _770352)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _787286)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _792856)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _794714)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _810724)
   Exit: (230) [system] get_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', _792856)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _828366)
   Call: (232) [system] peek_char((0x560c892e10d0), _829300)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _828366=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _792856)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _838584)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_839536, _839538), once(user:catch(read_from_chars(['C'], _838584), _839518, fail)), '$restore_trace'(_839536, _839538))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_839536, _839538))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _838584), _839518, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_838584)
   Fail: (233) [system] atomic(_838584)
   Call: (233) [system] atom_chars(_838584, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _792856='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _853534)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _855392)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _864986)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _867690)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _884624)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _890194)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _892052)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _908062)
   Exit: (231) [system] get_char((0x560c892e10d0), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'D', _890194)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _925704)
   Call: (233) [system] peek_char((0x560c892e10d0), _926638)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_931358, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _925704=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _890194)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _937794)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_938746, _938748), once(user:catch(read_from_chars(['D'], _937794), _938728, fail)), '$restore_trace'(_938746, _938748))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_938746, _938748))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _937794), _938728, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_937794)
   Fail: (234) [system] atomic(_937794)
   Call: (234) [system] atom_chars(_937794, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _890194='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'D')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _952744)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _954602)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _970612)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x560c892e10d0), _974402)
   Exit: (231) [system] get_char((0x560c892e10d0), ')')
   Call: (231) [system] _952744=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), [])
   Call: (230) [system] _853534=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['D'])
   Call: (229) [system] _756196=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['C', 'D'])
   Call: (228) [system] _566850=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _988284)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _990142)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _999736)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1002440)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1019374)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1024944)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1026802)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1042812)
   Exit: (228) [system] get_char((0x560c892e10d0), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'E', _1024944)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1060454)
   Call: (230) [system] peek_char((0x560c892e10d0), _1061388)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1066108, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1060454=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1024944)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1072544)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1073496, _1073498), once(user:catch(read_from_chars(['E'], _1072544), _1073478, fail)), '$restore_trace'(_1073496, _1073498))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1073496, _1073498))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1072544), _1073478, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1072544)
   Fail: (231) [system] atomic(_1072544)
   Call: (231) [system] atom_chars(_1072544, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1024944='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'E')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1087494)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1089352)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1105362)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _1109152)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _1087494=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _988284=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['E'])
   Call: (226) [system] _530190=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _257194=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1123034)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1124892)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1140902)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1144692)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1123034=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _220534=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (222) [system] _123196=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _6584=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1158574)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1160432)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1176442)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _1180232)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _1158574=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _6580=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (219) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (218) [system] _6538=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _6530=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1194114)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1195972)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1211982)
   Exit: (216) [system] peek_char((0x560c892e10d0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x560c892e10d0), _1215772)
   Exit: (216) [system] get_char((0x560c892e10d0), ')')
   Call: (216) [system] _1194114=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [])
   Call: (215) [system] _6526=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (214) [system] _6484=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (213) [system] _6476=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (212) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (211) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (211) [user] read_list(')', (0x560c892e10d0), _1229654)
^  Call: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _1231512)
   Exit: (213) [system] peek_char((0x560c892e10d0), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
   Call: (213) [system] '\n'=(/)
   Fail: (213) [system] '\n'=(/)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x560c892e10d0), _1242962)
   Exit: (213) [system] get_char((0x560c892e10d0), '\n')
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1245666)
   Exit: (214) [system] peek_char((0x560c892e10d0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x560c892e10d0), _1255260)
   Exit: (214) [system] get_char((0x560c892e10d0), ' ')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1257964)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
^  Exit: (212) [user] skip_spaces((0x560c892e10d0))
   Call: (212) [system] peek_char((0x560c892e10d0), _1275822)
   Exit: (212) [system] peek_char((0x560c892e10d0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x560c892e10d0), _1281392)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1283250)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] get_char((0x560c892e10d0), _1299260)
   Exit: (213) [system] get_char((0x560c892e10d0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1281392)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1304830)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1320840)
   Exit: (214) [system] peek_char((0x560c892e10d0), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1326410)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1328268)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1344278)
   Exit: (215) [system] get_char((0x560c892e10d0), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x560c892e10d0), :, _1326410)
^  Call: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), _1361920)
   Call: (217) [system] peek_char((0x560c892e10d0), _1362854)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1361920=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (216) [user] classify_and_convert_charseq([:], _1326410)
^  Call: (217) [user] classify_and_convert_charseq_([:], _1372138)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1373090, _1373092), once(user:catch(read_from_chars([:], _1372138), _1373072, fail)), '$restore_trace'(_1373090, _1373092))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1373090, _1373092))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1373072, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq_([:], :)
   Call: (217) [system] integer(:)
   Fail: (217) [system] integer(:)
   Call: (217) [system] _1326410=(:)
   Exit: (217) [system] (:)=(:)
^  Exit: (216) [user] classify_and_convert_charseq([:], :)
^  Exit: (215) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _1385218)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1387076)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1396670)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1399374)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1416308)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _1421878)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1423736)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _1439746)
   Exit: (216) [system] get_char((0x560c892e10d0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1421878)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1445316)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1461326)
   Exit: (217) [system] peek_char((0x560c892e10d0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1466896)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1468754)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1484764)
   Exit: (218) [system] get_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1466896)
^  Call: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), _1502406)
   Call: (220) [system] peek_char((0x560c892e10d0), _1503340)
   Exit: (220) [system] peek_char((0x560c892e10d0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1508060, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1508992, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x560c892e10d0), i)
   Exit: (220) [system] get_char((0x560c892e10d0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1516342)
   Call: (221) [system] peek_char((0x560c892e10d0), _1517276)
   Exit: (221) [system] peek_char((0x560c892e10d0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1521996, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1522928, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x560c892e10d0), s)
   Exit: (221) [system] get_char((0x560c892e10d0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1530278)
   Call: (222) [system] peek_char((0x560c892e10d0), _1531212)
   Exit: (222) [system] peek_char((0x560c892e10d0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1535932, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1536864, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x560c892e10d0), j)
   Exit: (222) [system] get_char((0x560c892e10d0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1544214)
   Call: (223) [system] peek_char((0x560c892e10d0), _1545148)
   Exit: (223) [system] peek_char((0x560c892e10d0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1549868, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1550800, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x560c892e10d0), u)
   Exit: (223) [system] get_char((0x560c892e10d0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1558150)
   Call: (224) [system] peek_char((0x560c892e10d0), _1559084)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1563804, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1564736, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1572086)
   Call: (225) [system] peek_char((0x560c892e10d0), _1573020)
   Exit: (225) [system] peek_char((0x560c892e10d0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1577740, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1578672, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x560c892e10d0), c)
   Exit: (225) [system] get_char((0x560c892e10d0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1586022)
   Call: (226) [system] peek_char((0x560c892e10d0), _1586956)
   Exit: (226) [system] peek_char((0x560c892e10d0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1591676, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1592608, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x560c892e10d0), t)
   Exit: (226) [system] get_char((0x560c892e10d0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1599958)
   Call: (227) [system] peek_char((0x560c892e10d0), _1600892)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1605612, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1606544, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1613894)
   Call: (228) [system] peek_char((0x560c892e10d0), _1614828)
   Exit: (228) [system] peek_char((0x560c892e10d0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1619548, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1620480, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x560c892e10d0), o)
   Exit: (228) [system] get_char((0x560c892e10d0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1627830)
   Call: (229) [system] peek_char((0x560c892e10d0), _1628764)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1633484, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1634416, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1641766)
   Call: (230) [system] peek_char((0x560c892e10d0), _1642700)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1647420, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1648352, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x560c892e10d0), 'I')
   Exit: (230) [system] get_char((0x560c892e10d0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1655702)
   Call: (231) [system] peek_char((0x560c892e10d0), _1656636)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1661356, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1662288, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1669638)
   Call: (232) [system] peek_char((0x560c892e10d0), _1670572)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1675292, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1676224, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1683574)
   Call: (233) [system] peek_char((0x560c892e10d0), _1684508)
   Exit: (233) [system] peek_char((0x560c892e10d0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1689228, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1690160, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x560c892e10d0), r)
   Exit: (233) [system] get_char((0x560c892e10d0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1697510)
   Call: (234) [system] peek_char((0x560c892e10d0), _1698444)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1703164, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1704096, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1711446)
   Call: (235) [system] peek_char((0x560c892e10d0), _1712380)
   Exit: (235) [system] peek_char((0x560c892e10d0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1717100, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1718032, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x560c892e10d0), d)
   Exit: (235) [system] get_char((0x560c892e10d0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1725382)
   Call: (236) [system] peek_char((0x560c892e10d0), _1726316)
   Exit: (236) [system] peek_char((0x560c892e10d0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1731036, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1731968, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x560c892e10d0), u)
   Exit: (236) [system] get_char((0x560c892e10d0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1739318)
   Call: (237) [system] peek_char((0x560c892e10d0), _1740252)
   Exit: (237) [system] peek_char((0x560c892e10d0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1744972, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1745904, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x560c892e10d0), c)
   Exit: (237) [system] get_char((0x560c892e10d0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1753254)
   Call: (238) [system] peek_char((0x560c892e10d0), _1754188)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1758908, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1759840, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1767190)
   Call: (239) [system] peek_char((0x560c892e10d0), _1768124)
   Exit: (239) [system] peek_char((0x560c892e10d0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1772844, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1773776, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x560c892e10d0), i)
   Exit: (239) [system] get_char((0x560c892e10d0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1781126)
   Call: (240) [system] peek_char((0x560c892e10d0), _1782060)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1786780, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1787712, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1795062)
   Call: (241) [system] peek_char((0x560c892e10d0), _1795996)
   Exit: (241) [system] peek_char((0x560c892e10d0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1800716, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1801648, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x560c892e10d0), n)
   Exit: (241) [system] get_char((0x560c892e10d0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1808998)
   Call: (242) [system] peek_char((0x560c892e10d0), _1809932)
   Exit: (242) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1808998=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (241) [system] _1795062=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (240) [system] _1781126=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (239) [system] _1767190=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (238) [system] _1753254=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (237) [system] _1739318=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (236) [system] _1725382=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (235) [system] _1711446=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (234) [system] _1697510=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1683574=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1669638=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1655702=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1641766=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1627830=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1613894=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1599958=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1586022=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1572086=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1558150=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1544214=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1530278=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1516342=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1502406=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1466896)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1880684)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1881636, _1881638), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1880684), _1881618, fail)), '$restore_trace'(_1881636, _1881638))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1881636, _1881638))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1880684), _1881618, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1880684)
   Fail: (221) [system] atomic(_1880684)
   Call: (221) [system] atom_chars(_1880684, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _1466896='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1895634)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1897492)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _1907086)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1909790)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1926724)
   Exit: (218) [system] peek_char((0x560c892e10d0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _1932294)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1934152)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _1950162)
   Exit: (219) [system] get_char((0x560c892e10d0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), a, _1932294)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _1967804)
   Call: (221) [system] peek_char((0x560c892e10d0), _1968738)
   Exit: (221) [system] peek_char((0x560c892e10d0), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_1973458, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_1974390, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x560c892e10d0), b)
   Exit: (221) [system] get_char((0x560c892e10d0), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1981740)
   Call: (222) [system] peek_char((0x560c892e10d0), _1982674)
   Exit: (222) [system] peek_char((0x560c892e10d0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1987394, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1988326, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x560c892e10d0), c)
   Exit: (222) [system] get_char((0x560c892e10d0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1995676)
   Call: (223) [system] peek_char((0x560c892e10d0), _1996610)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1995676=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (222) [system] _1981740=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (221) [system] _1967804=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _1932294)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _2011482)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2012434, _2012436), once(user:catch(read_from_chars([a, b, c], _2011482), _2012416, fail)), '$restore_trace'(_2012434, _2012436))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2012434, _2012436))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2012416, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _1932294=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _2024562)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _2026420)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _2036014)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2038718)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2055652)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _2061222)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2063080)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _2079090)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _2061222)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _2084660)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _10352)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _15922)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _17780)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _33790)
   Exit: (222) [system] get_char((0x560c892e10d0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', _15922)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _51432)
   Call: (224) [system] peek_char((0x560c892e10d0), _52366)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_57086, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_58018, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _65368)
   Call: (225) [system] peek_char((0x560c892e10d0), _66302)
   Exit: (225) [system] peek_char((0x560c892e10d0), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_71022, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_71954, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x560c892e10d0), s)
   Exit: (225) [system] get_char((0x560c892e10d0), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _79304)
   Call: (226) [system] peek_char((0x560c892e10d0), _80238)
   Exit: (226) [system] peek_char((0x560c892e10d0), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_84958, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_85890, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x560c892e10d0), j)
   Exit: (226) [system] get_char((0x560c892e10d0), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _93240)
   Call: (227) [system] peek_char((0x560c892e10d0), _94174)
   Exit: (227) [system] peek_char((0x560c892e10d0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_98894, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_99826, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x560c892e10d0), u)
   Exit: (227) [system] get_char((0x560c892e10d0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _107176)
   Call: (228) [system] peek_char((0x560c892e10d0), _108110)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_112830, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_113762, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _121112)
   Call: (229) [system] peek_char((0x560c892e10d0), _122046)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_126766, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_127698, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _135048)
   Call: (230) [system] peek_char((0x560c892e10d0), _135982)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_140702, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_141634, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _148984)
   Call: (231) [system] peek_char((0x560c892e10d0), _149918)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_154638, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_155570, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _162920)
   Call: (232) [system] peek_char((0x560c892e10d0), _163854)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_168574, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_169506, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _176856)
   Call: (233) [system] peek_char((0x560c892e10d0), _177790)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_182510, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_183442, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _190792)
   Call: (234) [system] peek_char((0x560c892e10d0), _191726)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_196446, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_197378, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x560c892e10d0), 'I')
   Exit: (234) [system] get_char((0x560c892e10d0), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _204728)
   Call: (235) [system] peek_char((0x560c892e10d0), _205662)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_210382, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_211314, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _218664)
   Call: (236) [system] peek_char((0x560c892e10d0), _219598)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_224318, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_225250, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _232600)
   Call: (237) [system] peek_char((0x560c892e10d0), _233534)
   Exit: (237) [system] peek_char((0x560c892e10d0), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_238254, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_239186, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x560c892e10d0), r)
   Exit: (237) [system] get_char((0x560c892e10d0), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _246536)
   Call: (238) [system] peek_char((0x560c892e10d0), _247470)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_252190, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_253122, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _260472)
   Call: (239) [system] peek_char((0x560c892e10d0), _261406)
   Exit: (239) [system] peek_char((0x560c892e10d0), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_266126, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_267058, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x560c892e10d0), d)
   Exit: (239) [system] get_char((0x560c892e10d0), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _274408)
   Call: (240) [system] peek_char((0x560c892e10d0), _275342)
   Exit: (240) [system] peek_char((0x560c892e10d0), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_280062, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_280994, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x560c892e10d0), u)
   Exit: (240) [system] get_char((0x560c892e10d0), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _288344)
   Call: (241) [system] peek_char((0x560c892e10d0), _289278)
   Exit: (241) [system] peek_char((0x560c892e10d0), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_293998, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_294930, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x560c892e10d0), c)
   Exit: (241) [system] get_char((0x560c892e10d0), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _302280)
   Call: (242) [system] peek_char((0x560c892e10d0), _303214)
   Exit: (242) [system] peek_char((0x560c892e10d0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_307934, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_308866, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x560c892e10d0), t)
   Exit: (242) [system] get_char((0x560c892e10d0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _316216)
   Call: (243) [system] peek_char((0x560c892e10d0), _317150)
   Exit: (243) [system] peek_char((0x560c892e10d0), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_321870, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_322802, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x560c892e10d0), i)
   Exit: (243) [system] get_char((0x560c892e10d0), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _330152)
   Call: (244) [system] peek_char((0x560c892e10d0), _331086)
   Exit: (244) [system] peek_char((0x560c892e10d0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_335806, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_336738, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x560c892e10d0), o)
   Exit: (244) [system] get_char((0x560c892e10d0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _344088)
   Call: (245) [system] peek_char((0x560c892e10d0), _345022)
   Exit: (245) [system] peek_char((0x560c892e10d0), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_349742, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_350674, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x560c892e10d0), n)
   Exit: (245) [system] get_char((0x560c892e10d0), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _358024)
   Call: (246) [system] peek_char((0x560c892e10d0), _358958)
   Exit: (246) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _358024=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (245) [system] _344088=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (244) [system] _330152=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (243) [system] _316216=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (242) [system] _302280=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (241) [system] _288344=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (240) [system] _274408=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (239) [system] _260472=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (238) [system] _246536=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _232600=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _218664=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _204728=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _190792=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _176856=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _162920=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _148984=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _135048=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _121112=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _107176=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _93240=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _79304=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _65368=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _51432=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _15922)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _429710)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_430662, _430664), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _429710), _430644, fail)), '$restore_trace'(_430662, _430664))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_430662, _430664))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _429710), _430644, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_429710)
   Fail: (225) [system] atomic(_429710)
   Call: (225) [system] atom_chars(_429710, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _15922='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _444660)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _446518)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _456112)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _458816)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _475750)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _481320)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _483178)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _499188)
   Exit: (223) [system] get_char((0x560c892e10d0), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), a, _481320)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _516830)
   Call: (225) [system] peek_char((0x560c892e10d0), _517764)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _516830=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (224) [user] classify_and_convert_charseq([a], _481320)
^  Call: (225) [user] classify_and_convert_charseq_([a], _527048)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_528000, _528002), once(user:catch(read_from_chars([a], _527048), _527982, fail)), '$restore_trace'(_528000, _528002))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_528000, _528002))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _527982, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq_([a], a)
   Call: (225) [system] integer(a)
   Fail: (225) [system] integer(a)
   Call: (225) [system] _481320=a
   Exit: (225) [system] a=a
^  Exit: (224) [user] classify_and_convert_charseq([a], a)
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _540128)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _541986)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _551580)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _554284)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _571218)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _576788)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _578646)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _594656)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), a, _576788)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _612298)
   Call: (226) [system] peek_char((0x560c892e10d0), _613232)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_617952, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _612298=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _576788)
^  Call: (226) [user] classify_and_convert_charseq_([a], _624388)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_625340, _625342), once(user:catch(read_from_chars([a], _624388), _625322, fail)), '$restore_trace'(_625340, _625342))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_625340, _625342))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _625322, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _576788=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _637468)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _639326)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _655336)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _659126)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _637468=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _540128=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (222) [system] _444660=[a, a]
   Exit: (222) [system] [a, a]=[a, a]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [a, a])
   Call: (221) [system] _6674=['DisjunctionIntroduction', a, a]
   Exit: (221) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', a, a])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _673008)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _674866)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _690876)
   Exit: (220) [system] peek_char((0x560c892e10d0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x560c892e10d0), _694666)
   Exit: (220) [system] get_char((0x560c892e10d0), ')')
   Call: (220) [system] _673008=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [])
   Call: (219) [system] _6670=[['DisjunctionIntroduction', a, a]]
   Exit: (219) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', a, a]])
   Call: (218) [system] _6664=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (218) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (217) [system] _6656=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _708548)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _710406)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _720000)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _722704)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _739638)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _745208)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _747066)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _763076)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _745208)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _768646)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _784656)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _790226)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _792084)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _808094)
   Exit: (219) [system] get_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', _790226)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _825736)
   Call: (221) [system] peek_char((0x560c892e10d0), _826670)
   Exit: (221) [system] peek_char((0x560c892e10d0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_831390, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_832322, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x560c892e10d0), r)
   Exit: (221) [system] get_char((0x560c892e10d0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _839672)
   Call: (222) [system] peek_char((0x560c892e10d0), _840606)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_845326, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_846258, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x560c892e10d0), 'L')
   Exit: (222) [system] get_char((0x560c892e10d0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _853608)
   Call: (223) [system] peek_char((0x560c892e10d0), _854542)
   Exit: (223) [system] peek_char((0x560c892e10d0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_859262, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_860194, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x560c892e10d0), i)
   Exit: (223) [system] get_char((0x560c892e10d0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _867544)
   Call: (224) [system] peek_char((0x560c892e10d0), _868478)
   Exit: (224) [system] peek_char((0x560c892e10d0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_873198, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_874130, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x560c892e10d0), n)
   Exit: (224) [system] get_char((0x560c892e10d0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _881480)
   Call: (225) [system] peek_char((0x560c892e10d0), _882414)
   Exit: (225) [system] peek_char((0x560c892e10d0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_887134, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_888066, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x560c892e10d0), k)
   Exit: (225) [system] get_char((0x560c892e10d0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _895416)
   Call: (226) [system] peek_char((0x560c892e10d0), _896350)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _895416=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (225) [system] _881480=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (224) [system] _867544=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (223) [system] _853608=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (222) [system] _839672=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (221) [system] _825736=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _790226)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _919604)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_920556, _920558), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _919604), _920538, fail)), '$restore_trace'(_920556, _920558))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_920556, _920558))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _919604), _920538, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_919604)
   Fail: (222) [system] atomic(_919604)
   Call: (222) [system] atom_chars(_919604, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _790226='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _934554)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _936412)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _946006)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _948710)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _965644)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _971214)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _973072)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _989082)
   Exit: (220) [system] get_char((0x560c892e10d0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _971214)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _994652)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1010662)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1016232)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1018090)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1034100)
   Exit: (222) [system] get_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1016232)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1051742)
   Call: (224) [system] peek_char((0x560c892e10d0), _1052676)
   Exit: (224) [system] peek_char((0x560c892e10d0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1057396, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1058328, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x560c892e10d0), m)
   Exit: (224) [system] get_char((0x560c892e10d0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1065678)
   Call: (225) [system] peek_char((0x560c892e10d0), _1066612)
   Exit: (225) [system] peek_char((0x560c892e10d0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1071332, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1072264, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x560c892e10d0), p)
   Exit: (225) [system] get_char((0x560c892e10d0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1079614)
   Call: (226) [system] peek_char((0x560c892e10d0), _1080548)
   Exit: (226) [system] peek_char((0x560c892e10d0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1085268, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1086200, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x560c892e10d0), l)
   Exit: (226) [system] get_char((0x560c892e10d0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1093550)
   Call: (227) [system] peek_char((0x560c892e10d0), _1094484)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1099204, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1100136, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1107486)
   Call: (228) [system] peek_char((0x560c892e10d0), _1108420)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1113140, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1114072, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1121422)
   Call: (229) [system] peek_char((0x560c892e10d0), _1122356)
   Exit: (229) [system] peek_char((0x560c892e10d0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1127076, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1128008, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x560c892e10d0), a)
   Exit: (229) [system] get_char((0x560c892e10d0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1135358)
   Call: (230) [system] peek_char((0x560c892e10d0), _1136292)
   Exit: (230) [system] peek_char((0x560c892e10d0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1141012, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1141944, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x560c892e10d0), t)
   Exit: (230) [system] get_char((0x560c892e10d0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1149294)
   Call: (231) [system] peek_char((0x560c892e10d0), _1150228)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1154948, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1155880, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1163230)
   Call: (232) [system] peek_char((0x560c892e10d0), _1164164)
   Exit: (232) [system] peek_char((0x560c892e10d0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1168884, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1169816, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x560c892e10d0), o)
   Exit: (232) [system] get_char((0x560c892e10d0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1177166)
   Call: (233) [system] peek_char((0x560c892e10d0), _1178100)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1182820, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1183752, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1191102)
   Call: (234) [system] peek_char((0x560c892e10d0), _1192036)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1191102=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _1177166=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (232) [system] _1163230=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (231) [system] _1149294=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (230) [system] _1135358=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (229) [system] _1121422=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (228) [system] _1107486=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (227) [system] _1093550=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1079614=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1065678=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1051742=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1016232)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1229260)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1230212, _1230214), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1229260), _1230194, fail)), '$restore_trace'(_1230212, _1230214))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1230212, _1230214))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1229260), _1230194, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1229260)
   Fail: (225) [system] atomic(_1229260)
   Call: (225) [system] atom_chars(_1229260, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _1016232='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1244210)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1246068)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1255662)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1258366)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1275300)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1280870)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1282728)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1298738)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1280870)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1304308)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1320318)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1325888)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1327746)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1343756)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1325888)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1361398)
   Call: (227) [system] peek_char((0x560c892e10d0), _1362332)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1367052, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1367984, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1375334)
   Call: (228) [system] peek_char((0x560c892e10d0), _1376268)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1380988, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1381920, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1389270)
   Call: (229) [system] peek_char((0x560c892e10d0), _1390204)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1394924, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1395856, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x560c892e10d0), 'L')
   Exit: (229) [system] get_char((0x560c892e10d0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1403206)
   Call: (230) [system] peek_char((0x560c892e10d0), _1404140)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1408860, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1409792, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1417142)
   Call: (231) [system] peek_char((0x560c892e10d0), _1418076)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1422796, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1423728, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1431078)
   Call: (232) [system] peek_char((0x560c892e10d0), _1432012)
   Exit: (232) [system] peek_char((0x560c892e10d0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1436732, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1437664, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x560c892e10d0), k)
   Exit: (232) [system] get_char((0x560c892e10d0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445014)
   Call: (233) [system] peek_char((0x560c892e10d0), _1445948)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1445014=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1431078=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (231) [system] _1417142=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (230) [system] _1403206=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (229) [system] _1389270=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (228) [system] _1375334=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (227) [system] _1361398=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1325888)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1471996)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1472948, _1472950), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1471996), _1472930, fail)), '$restore_trace'(_1472948, _1472950))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1472948, _1472950))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1471996), _1472930, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1471996)
   Fail: (228) [system] atomic(_1471996)
   Call: (228) [system] atom_chars(_1471996, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _1325888='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1486946)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1488804)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1498398)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1501102)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1518036)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1523606)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1525464)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1541474)
   Exit: (226) [system] get_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1523606)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1559116)
   Call: (228) [system] peek_char((0x560c892e10d0), _1560050)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1559116=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1523606)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1569334)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1570286, _1570288), once(user:catch(read_from_chars(['A'], _1569334), _1570268, fail)), '$restore_trace'(_1570286, _1570288))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1570286, _1570288))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1569334), _1570268, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1569334)
   Fail: (229) [system] atomic(_1569334)
   Call: (229) [system] atom_chars(_1569334, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1523606='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1584284)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1586142)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _1595736)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1598440)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1615374)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1620944)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1622802)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1638812)
   Exit: (227) [system] get_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1620944)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1656454)
   Call: (229) [system] peek_char((0x560c892e10d0), _1657388)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1662108, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1656454=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _1620944)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _1668544)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1669496, _1669498), once(user:catch(read_from_chars(['B'], _1668544), _1669478, fail)), '$restore_trace'(_1669496, _1669498))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1669496, _1669498))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1668544), _1669478, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1668544)
   Fail: (230) [system] atomic(_1668544)
   Call: (230) [system] atom_chars(_1668544, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _1620944='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1683494)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1685352)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1701362)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x560c892e10d0), _1705152)
   Exit: (227) [system] get_char((0x560c892e10d0), ')')
   Call: (227) [system] _1683494=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [])
   Call: (226) [system] _1584284=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (225) [system] _1486946=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (224) [system] _1280870=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1719034)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1720892)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1730486)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1733190)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1750124)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1755694)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1757552)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1773562)
   Exit: (224) [system] get_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1755694)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1791204)
   Call: (226) [system] peek_char((0x560c892e10d0), _1792138)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1796858, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1791204=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1755694)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1803294)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1804246, _1804248), once(user:catch(read_from_chars(['C'], _1803294), _1804228, fail)), '$restore_trace'(_1804246, _1804248))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1804246, _1804248))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1803294), _1804228, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1803294)
   Fail: (227) [system] atomic(_1803294)
   Call: (227) [system] atom_chars(_1803294, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1755694='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1818244)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1820102)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1836112)
   Exit: (224) [system] peek_char((0x560c892e10d0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x560c892e10d0), _1839902)
   Exit: (224) [system] get_char((0x560c892e10d0), ')')
   Call: (224) [system] _1818244=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [])
   Call: (223) [system] _1719034=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (222) [system] _1244210=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _971214=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1853784)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1855642)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1865236)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1867940)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1884874)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1890444)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1892302)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1908312)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1890444)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1913882)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1929892)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1935462)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1937320)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1953330)
   Exit: (223) [system] get_char((0x560c892e10d0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', _1935462)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1970972)
   Call: (225) [system] peek_char((0x560c892e10d0), _1971906)
   Exit: (225) [system] peek_char((0x560c892e10d0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1976626, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1977558, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x560c892e10d0), r)
   Exit: (225) [system] get_char((0x560c892e10d0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1984908)
   Call: (226) [system] peek_char((0x560c892e10d0), _1985842)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1990562, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1991494, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x560c892e10d0), 'L')
   Exit: (226) [system] get_char((0x560c892e10d0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1998844)
   Call: (227) [system] peek_char((0x560c892e10d0), _1999778)
   Exit: (227) [system] peek_char((0x560c892e10d0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_2004498, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_2005430, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x560c892e10d0), i)
   Exit: (227) [system] get_char((0x560c892e10d0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2012780)
   Call: (228) [system] peek_char((0x560c892e10d0), _2013714)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_2018434, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_2019366, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2026716)
   Call: (229) [system] peek_char((0x560c892e10d0), _2027650)
   Exit: (229) [system] peek_char((0x560c892e10d0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_2032370, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_2033302, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x560c892e10d0), k)
   Exit: (229) [system] get_char((0x560c892e10d0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2040652)
   Call: (230) [system] peek_char((0x560c892e10d0), _2041586)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _2040652=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (229) [system] _2026716=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (228) [system] _2012780=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (227) [system] _1998844=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (226) [system] _1984908=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (225) [system] _1970972=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1935462)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _2064840)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_2065792, _2065794), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2064840), _2065774, fail)), '$restore_trace'(_2065792, _2065794))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_2065792, _2065794))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2064840), _2065774, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_2064840)
   Fail: (226) [system] atomic(_2064840)
   Call: (226) [system] atom_chars(_2064840, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _1935462='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _2079790)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _2081648)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _2091242)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2093946)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _20778)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _26348)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _28206)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _44216)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _26348)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _61858)
   Call: (226) [system] peek_char((0x560c892e10d0), _62792)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _61858=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _26348)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _72076)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_73028, _73030), once(user:catch(read_from_chars(['A'], _72076), _73010, fail)), '$restore_trace'(_73028, _73030))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_73028, _73030))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _72076), _73010, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_72076)
   Fail: (227) [system] atomic(_72076)
   Call: (227) [system] atom_chars(_72076, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _26348='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _87026)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _88884)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _98478)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _101182)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _118116)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _123686)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _125544)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _141554)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _123686)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _159196)
   Call: (227) [system] peek_char((0x560c892e10d0), _160130)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_164850, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _159196=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _123686)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _171286)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_172238, _172240), once(user:catch(read_from_chars(['A'], _171286), _172220, fail)), '$restore_trace'(_172238, _172240))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_172238, _172240))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _171286), _172220, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_171286)
   Fail: (228) [system] atomic(_171286)
   Call: (228) [system] atom_chars(_171286, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _123686='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _186236)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _188094)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _204104)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _207894)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _186236=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _87026=['A']
   Exit: (224) [system] ['A']=['A']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['A'])
   Call: (223) [system] _6760=['A', 'A']
   Exit: (223) [system] ['A', 'A']=['A', 'A']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['A', 'A'])
   Call: (222) [system] _6752=['OrLink', 'A', 'A']
   Exit: (222) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['OrLink', 'A', 'A'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', 'A', 'A'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _221776)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _223634)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _239644)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _243434)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _221776=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _6748=[['OrLink', 'A', 'A']]
   Exit: (220) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['OrLink', 'A', 'A']])
   Call: (219) [system] _6706=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
   Call: (218) [system] _6698=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _257316)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _259174)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _275184)
   Exit: (217) [system] peek_char((0x560c892e10d0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x560c892e10d0), _278974)
   Exit: (217) [system] get_char((0x560c892e10d0), ')')
   Call: (217) [system] _257316=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [])
   Call: (216) [system] _6694=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (215) [system] _6652=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (214) [system] _6644=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (213) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Exit: (212) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Call: (212) [user] read_list(')', (0x560c892e10d0), _292856)
^  Call: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _294714)
   Exit: (214) [system] peek_char((0x560c892e10d0), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
   Call: (214) [system] '\n'=(/)
   Fail: (214) [system] '\n'=(/)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x560c892e10d0), _306164)
   Exit: (214) [system] get_char((0x560c892e10d0), '\n')
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _308868)
   Exit: (215) [system] peek_char((0x560c892e10d0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x560c892e10d0), _318462)
   Exit: (215) [system] get_char((0x560c892e10d0), ' ')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _321166)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
^  Exit: (213) [user] skip_spaces((0x560c892e10d0))
   Call: (213) [system] peek_char((0x560c892e10d0), _339024)
   Exit: (213) [system] peek_char((0x560c892e10d0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x560c892e10d0), _344594)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _346452)
   Exit: (215) [system] peek_char((0x560c892e10d0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] get_char((0x560c892e10d0), _362462)
   Exit: (214) [system] get_char((0x560c892e10d0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x560c892e10d0), _344594)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _368032)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _384042)
   Exit: (215) [system] peek_char((0x560c892e10d0), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x560c892e10d0), _389612)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _391470)
   Exit: (217) [system] peek_char((0x560c892e10d0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] get_char((0x560c892e10d0), _407480)
   Exit: (216) [system] get_char((0x560c892e10d0), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x560c892e10d0), :, _389612)
^  Call: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), _425122)
   Call: (218) [system] peek_char((0x560c892e10d0), _426056)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _425122=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (217) [user] classify_and_convert_charseq([:], _389612)
^  Call: (218) [user] classify_and_convert_charseq_([:], _435340)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_436292, _436294), once(user:catch(read_from_chars([:], _435340), _436274, fail)), '$restore_trace'(_436292, _436294))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_436292, _436294))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _436274, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq_([:], :)
   Call: (218) [system] integer(:)
   Fail: (218) [system] integer(:)
   Call: (218) [system] _389612=(:)
   Exit: (218) [system] (:)=(:)
^  Exit: (217) [user] classify_and_convert_charseq([:], :)
^  Exit: (216) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _448420)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _450278)
   Exit: (217) [system] peek_char((0x560c892e10d0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x560c892e10d0), _459872)
   Exit: (217) [system] get_char((0x560c892e10d0), ' ')
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _462576)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _479510)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _485080)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _486938)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _502948)
   Exit: (217) [system] get_char((0x560c892e10d0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _485080)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _508518)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _524528)
   Exit: (218) [system] peek_char((0x560c892e10d0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _530098)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _531956)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _547966)
   Exit: (219) [system] get_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', _530098)
^  Call: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), _565608)
   Call: (221) [system] peek_char((0x560c892e10d0), _566542)
   Exit: (221) [system] peek_char((0x560c892e10d0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_571262, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_572194, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x560c892e10d0), i)
   Exit: (221) [system] get_char((0x560c892e10d0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _579544)
   Call: (222) [system] peek_char((0x560c892e10d0), _580478)
   Exit: (222) [system] peek_char((0x560c892e10d0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_585198, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_586130, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x560c892e10d0), s)
   Exit: (222) [system] get_char((0x560c892e10d0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _593480)
   Call: (223) [system] peek_char((0x560c892e10d0), _594414)
   Exit: (223) [system] peek_char((0x560c892e10d0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_599134, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_600066, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x560c892e10d0), j)
   Exit: (223) [system] get_char((0x560c892e10d0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _607416)
   Call: (224) [system] peek_char((0x560c892e10d0), _608350)
   Exit: (224) [system] peek_char((0x560c892e10d0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_613070, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_614002, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x560c892e10d0), u)
   Exit: (224) [system] get_char((0x560c892e10d0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _621352)
   Call: (225) [system] peek_char((0x560c892e10d0), _622286)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_627006, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_627938, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _635288)
   Call: (226) [system] peek_char((0x560c892e10d0), _636222)
   Exit: (226) [system] peek_char((0x560c892e10d0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_640942, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_641874, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x560c892e10d0), c)
   Exit: (226) [system] get_char((0x560c892e10d0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _649224)
   Call: (227) [system] peek_char((0x560c892e10d0), _650158)
   Exit: (227) [system] peek_char((0x560c892e10d0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_654878, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_655810, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x560c892e10d0), t)
   Exit: (227) [system] get_char((0x560c892e10d0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _663160)
   Call: (228) [system] peek_char((0x560c892e10d0), _664094)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_668814, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_669746, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _677096)
   Call: (229) [system] peek_char((0x560c892e10d0), _678030)
   Exit: (229) [system] peek_char((0x560c892e10d0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_682750, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_683682, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x560c892e10d0), o)
   Exit: (229) [system] get_char((0x560c892e10d0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _691032)
   Call: (230) [system] peek_char((0x560c892e10d0), _691966)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_696686, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_697618, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _704968)
   Call: (231) [system] peek_char((0x560c892e10d0), _705902)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_710622, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_711554, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x560c892e10d0), 'I')
   Exit: (231) [system] get_char((0x560c892e10d0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _718904)
   Call: (232) [system] peek_char((0x560c892e10d0), _719838)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_724558, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_725490, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _732840)
   Call: (233) [system] peek_char((0x560c892e10d0), _733774)
   Exit: (233) [system] peek_char((0x560c892e10d0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_738494, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_739426, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x560c892e10d0), t)
   Exit: (233) [system] get_char((0x560c892e10d0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _746776)
   Call: (234) [system] peek_char((0x560c892e10d0), _747710)
   Exit: (234) [system] peek_char((0x560c892e10d0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_752430, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_753362, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x560c892e10d0), r)
   Exit: (234) [system] get_char((0x560c892e10d0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _760712)
   Call: (235) [system] peek_char((0x560c892e10d0), _761646)
   Exit: (235) [system] peek_char((0x560c892e10d0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_766366, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_767298, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x560c892e10d0), o)
   Exit: (235) [system] get_char((0x560c892e10d0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _774648)
   Call: (236) [system] peek_char((0x560c892e10d0), _775582)
   Exit: (236) [system] peek_char((0x560c892e10d0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_780302, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_781234, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x560c892e10d0), d)
   Exit: (236) [system] get_char((0x560c892e10d0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _788584)
   Call: (237) [system] peek_char((0x560c892e10d0), _789518)
   Exit: (237) [system] peek_char((0x560c892e10d0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_794238, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_795170, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x560c892e10d0), u)
   Exit: (237) [system] get_char((0x560c892e10d0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _802520)
   Call: (238) [system] peek_char((0x560c892e10d0), _803454)
   Exit: (238) [system] peek_char((0x560c892e10d0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_808174, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_809106, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x560c892e10d0), c)
   Exit: (238) [system] get_char((0x560c892e10d0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _816456)
   Call: (239) [system] peek_char((0x560c892e10d0), _817390)
   Exit: (239) [system] peek_char((0x560c892e10d0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_822110, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_823042, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x560c892e10d0), t)
   Exit: (239) [system] get_char((0x560c892e10d0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _830392)
   Call: (240) [system] peek_char((0x560c892e10d0), _831326)
   Exit: (240) [system] peek_char((0x560c892e10d0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_836046, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_836978, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x560c892e10d0), i)
   Exit: (240) [system] get_char((0x560c892e10d0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _844328)
   Call: (241) [system] peek_char((0x560c892e10d0), _845262)
   Exit: (241) [system] peek_char((0x560c892e10d0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_849982, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_850914, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x560c892e10d0), o)
   Exit: (241) [system] get_char((0x560c892e10d0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _858264)
   Call: (242) [system] peek_char((0x560c892e10d0), _859198)
   Exit: (242) [system] peek_char((0x560c892e10d0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_863918, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_864850, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x560c892e10d0), n)
   Exit: (242) [system] get_char((0x560c892e10d0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _872200)
   Call: (243) [system] peek_char((0x560c892e10d0), _873134)
   Exit: (243) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _872200=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (242) [system] _858264=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (241) [system] _844328=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (240) [system] _830392=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (239) [system] _816456=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (238) [system] _802520=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (237) [system] _788584=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (236) [system] _774648=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (235) [system] _760712=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _746776=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _732840=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _718904=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _704968=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _691032=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _677096=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _663160=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _649224=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _635288=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _621352=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _607416=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _593480=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _579544=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _565608=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _530098)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _943886)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_944838, _944840), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _943886), _944820, fail)), '$restore_trace'(_944838, _944840))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_944838, _944840))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _943886), _944820, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_943886)
   Fail: (222) [system] atomic(_943886)
   Call: (222) [system] atom_chars(_943886, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _530098='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _958836)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _960694)
   Exit: (220) [system] peek_char((0x560c892e10d0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x560c892e10d0), _970288)
   Exit: (220) [system] get_char((0x560c892e10d0), ' ')
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _972992)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _989926)
   Exit: (219) [system] peek_char((0x560c892e10d0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _995496)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _997354)
   Exit: (221) [system] peek_char((0x560c892e10d0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1013364)
   Exit: (220) [system] get_char((0x560c892e10d0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), a, _995496)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1031006)
   Call: (222) [system] peek_char((0x560c892e10d0), _1031940)
   Exit: (222) [system] peek_char((0x560c892e10d0), b)
^  Call: (222) [user] is_delimiter(b)
   Call: (223) [system] char_type(b, space)
   Fail: (223) [system] char_type(b, space)
   Call: (223) [system] arg(_1036660, v('(', ')', end_of_file), b)
   Fail: (223) [system] arg(_1037592, v('(', ')', end_of_file), b)
^  Fail: (222) [user] is_delimiter(b)
   Call: (222) [system] ')'==b
   Fail: (222) [system] ')'==b
   Call: (222) [system] get_char((0x560c892e10d0), b)
   Exit: (222) [system] get_char((0x560c892e10d0), b)
   Call: (222) [system] b=(\)
   Fail: (222) [system] b=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1044942)
   Call: (223) [system] peek_char((0x560c892e10d0), _1045876)
   Exit: (223) [system] peek_char((0x560c892e10d0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1050596, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1051528, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x560c892e10d0), c)
   Exit: (223) [system] get_char((0x560c892e10d0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1058878)
   Call: (224) [system] peek_char((0x560c892e10d0), _1059812)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1058878=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (223) [system] _1044942=[c]
   Exit: (223) [system] [c]=[c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (222) [system] _1031006=[b, c]
   Exit: (222) [system] [b, c]=[b, c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (221) [user] classify_and_convert_charseq([a, b, c], _995496)
^  Call: (222) [user] classify_and_convert_charseq_([a, b, c], _1074684)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1075636, _1075638), once(user:catch(read_from_chars([a, b, c], _1074684), _1075618, fail)), '$restore_trace'(_1075636, _1075638))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1075636, _1075638))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1075618, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (222) [system] integer(abc)
   Fail: (222) [system] integer(abc)
   Call: (222) [system] _995496=abc
   Exit: (222) [system] abc=abc
^  Exit: (221) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1087764)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1089622)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1099216)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1101920)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1118854)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1124424)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1126282)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1142292)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1124424)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1147862)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1163872)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1169442)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1171300)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1187310)
   Exit: (223) [system] get_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1169442)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1204952)
   Call: (225) [system] peek_char((0x560c892e10d0), _1205886)
   Exit: (225) [system] peek_char((0x560c892e10d0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1210606, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1211538, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x560c892e10d0), o)
   Exit: (225) [system] get_char((0x560c892e10d0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1218888)
   Call: (226) [system] peek_char((0x560c892e10d0), _1219822)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1224542, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1225474, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1232824)
   Call: (227) [system] peek_char((0x560c892e10d0), _1233758)
   Exit: (227) [system] peek_char((0x560c892e10d0), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_1238478, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_1239410, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x560c892e10d0), j)
   Exit: (227) [system] get_char((0x560c892e10d0), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1246760)
   Call: (228) [system] peek_char((0x560c892e10d0), _1247694)
   Exit: (228) [system] peek_char((0x560c892e10d0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1252414, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1253346, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x560c892e10d0), u)
   Exit: (228) [system] get_char((0x560c892e10d0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1260696)
   Call: (229) [system] peek_char((0x560c892e10d0), _1261630)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1266350, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1267282, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1274632)
   Call: (230) [system] peek_char((0x560c892e10d0), _1275566)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1280286, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1281218, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1288568)
   Call: (231) [system] peek_char((0x560c892e10d0), _1289502)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1294222, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1295154, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1302504)
   Call: (232) [system] peek_char((0x560c892e10d0), _1303438)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1308158, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1309090, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1316440)
   Call: (233) [system] peek_char((0x560c892e10d0), _1317374)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1322094, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1323026, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1330376)
   Call: (234) [system] peek_char((0x560c892e10d0), _1331310)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1336030, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1336962, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1344312)
   Call: (235) [system] peek_char((0x560c892e10d0), _1345246)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_1349966, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_1350898, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x560c892e10d0), 'I')
   Exit: (235) [system] get_char((0x560c892e10d0), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1358248)
   Call: (236) [system] peek_char((0x560c892e10d0), _1359182)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1363902, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1364834, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372184)
   Call: (237) [system] peek_char((0x560c892e10d0), _1373118)
   Exit: (237) [system] peek_char((0x560c892e10d0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1377838, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1378770, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x560c892e10d0), t)
   Exit: (237) [system] get_char((0x560c892e10d0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386120)
   Call: (238) [system] peek_char((0x560c892e10d0), _1387054)
   Exit: (238) [system] peek_char((0x560c892e10d0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1391774, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_1392706, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x560c892e10d0), r)
   Exit: (238) [system] get_char((0x560c892e10d0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1400056)
   Call: (239) [system] peek_char((0x560c892e10d0), _1400990)
   Exit: (239) [system] peek_char((0x560c892e10d0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1405710, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1406642, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x560c892e10d0), o)
   Exit: (239) [system] get_char((0x560c892e10d0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1413992)
   Call: (240) [system] peek_char((0x560c892e10d0), _1414926)
   Exit: (240) [system] peek_char((0x560c892e10d0), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1419646, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_1420578, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x560c892e10d0), d)
   Exit: (240) [system] get_char((0x560c892e10d0), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1427928)
   Call: (241) [system] peek_char((0x560c892e10d0), _1428862)
   Exit: (241) [system] peek_char((0x560c892e10d0), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1433582, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_1434514, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x560c892e10d0), u)
   Exit: (241) [system] get_char((0x560c892e10d0), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1441864)
   Call: (242) [system] peek_char((0x560c892e10d0), _1442798)
   Exit: (242) [system] peek_char((0x560c892e10d0), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1447518, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_1448450, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x560c892e10d0), c)
   Exit: (242) [system] get_char((0x560c892e10d0), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455800)
   Call: (243) [system] peek_char((0x560c892e10d0), _1456734)
   Exit: (243) [system] peek_char((0x560c892e10d0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1461454, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1462386, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x560c892e10d0), t)
   Exit: (243) [system] get_char((0x560c892e10d0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469736)
   Call: (244) [system] peek_char((0x560c892e10d0), _1470670)
   Exit: (244) [system] peek_char((0x560c892e10d0), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1475390, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_1476322, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x560c892e10d0), i)
   Exit: (244) [system] get_char((0x560c892e10d0), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483672)
   Call: (245) [system] peek_char((0x560c892e10d0), _1484606)
   Exit: (245) [system] peek_char((0x560c892e10d0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1489326, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1490258, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x560c892e10d0), o)
   Exit: (245) [system] get_char((0x560c892e10d0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _1497608)
   Call: (246) [system] peek_char((0x560c892e10d0), _1498542)
   Exit: (246) [system] peek_char((0x560c892e10d0), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1503262, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_1504194, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x560c892e10d0), n)
   Exit: (246) [system] get_char((0x560c892e10d0), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _1511544)
   Call: (247) [system] peek_char((0x560c892e10d0), _1512478)
   Exit: (247) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1511544=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (246) [system] _1497608=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (245) [system] _1483672=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (244) [system] _1469736=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (243) [system] _1455800=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (242) [system] _1441864=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (241) [system] _1427928=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (240) [system] _1413992=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (239) [system] _1400056=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _1386120=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1372184=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1358248=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1344312=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1330376=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1316440=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1302504=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1288568=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1274632=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1260696=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1246760=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1232824=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1218888=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1204952=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1169442)
^  Call: (225) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1583230)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1584182, _1584184), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1583230), _1584164, fail)), '$restore_trace'(_1584182, _1584184))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1584182, _1584184))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1583230), _1584164, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1583230)
   Fail: (226) [system] atomic(_1583230)
   Call: (226) [system] atom_chars(_1583230, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (225) [system] integer('ConjunctionIntroduction')
   Fail: (225) [system] integer('ConjunctionIntroduction')
   Call: (225) [system] _1169442='ConjunctionIntroduction'
   Exit: (225) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (224) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1598180)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1600038)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _1609632)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1612336)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1629270)
   Exit: (223) [system] peek_char((0x560c892e10d0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1634840)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1636698)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1652708)
   Exit: (224) [system] get_char((0x560c892e10d0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), a, _1634840)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1670350)
   Call: (226) [system] peek_char((0x560c892e10d0), _1671284)
   Exit: (226) [system] peek_char((0x560c892e10d0), b)
^  Call: (226) [user] is_delimiter(b)
   Call: (227) [system] char_type(b, space)
   Fail: (227) [system] char_type(b, space)
   Call: (227) [system] arg(_1676004, v('(', ')', end_of_file), b)
   Fail: (227) [system] arg(_1676936, v('(', ')', end_of_file), b)
^  Fail: (226) [user] is_delimiter(b)
   Call: (226) [system] ')'==b
   Fail: (226) [system] ')'==b
   Call: (226) [system] get_char((0x560c892e10d0), b)
   Exit: (226) [system] get_char((0x560c892e10d0), b)
   Call: (226) [system] b=(\)
   Fail: (226) [system] b=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1684286)
   Call: (227) [system] peek_char((0x560c892e10d0), _1685220)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1689940, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1690872, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1698222)
   Call: (228) [system] peek_char((0x560c892e10d0), _1699156)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1698222=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _1684286=[c]
   Exit: (227) [system] [c]=[c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (226) [system] _1670350=[b, c]
   Exit: (226) [system] [b, c]=[b, c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (225) [user] classify_and_convert_charseq([a, b, c], _1634840)
^  Call: (226) [user] classify_and_convert_charseq_([a, b, c], _1714028)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1714980, _1714982), once(user:catch(read_from_chars([a, b, c], _1714028), _1714962, fail)), '$restore_trace'(_1714980, _1714982))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1714980, _1714982))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1714962, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (226) [system] integer(abc)
   Fail: (226) [system] integer(abc)
   Call: (226) [system] _1634840=abc
   Exit: (226) [system] abc=abc
^  Exit: (225) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1727108)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1728966)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1738560)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1741264)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1758198)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1763768)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1765626)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1781636)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), a, _1763768)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1799278)
   Call: (227) [system] peek_char((0x560c892e10d0), _1800212)
   Exit: (227) [system] peek_char((0x560c892e10d0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_1804932, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_1805864, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x560c892e10d0), b)
   Exit: (227) [system] get_char((0x560c892e10d0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1813214)
   Call: (228) [system] peek_char((0x560c892e10d0), _1814148)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1818868, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1819800, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1827150)
   Call: (229) [system] peek_char((0x560c892e10d0), _1828084)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1832804, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1827150=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _1813214=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (227) [system] _1799278=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq([a, b, c], _1763768)
^  Call: (227) [user] classify_and_convert_charseq_([a, b, c], _1844828)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1845780, _1845782), once(user:catch(read_from_chars([a, b, c], _1844828), _1845762, fail)), '$restore_trace'(_1845780, _1845782))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1845780, _1845782))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1845762, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (227) [system] integer(abc)
   Fail: (227) [system] integer(abc)
   Call: (227) [system] _1763768=abc
   Exit: (227) [system] abc=abc
^  Exit: (226) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1857908)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1859766)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1875776)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _1879566)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _1857908=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _1727108=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [abc])
   Call: (223) [system] _1598180=[abc, abc]
   Exit: (223) [system] [abc, abc]=[abc, abc]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [abc, abc])
   Call: (222) [system] _1124424=['ConjunctionIntroduction', abc, abc]
   Exit: (222) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, abc])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1893448)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1895306)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1911316)
   Exit: (221) [system] peek_char((0x560c892e10d0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x560c892e10d0), _1915106)
   Exit: (221) [system] get_char((0x560c892e10d0), ')')
   Call: (221) [system] _1893448=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [])
   Call: (220) [system] _1087764=[['ConjunctionIntroduction', abc, abc]]
   Exit: (220) [system] [['ConjunctionIntroduction', abc, abc]]=[['ConjunctionIntroduction', abc, abc]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, abc]])
   Call: (219) [system] _958836=[abc, ['ConjunctionIntroduction', abc, abc]]
   Exit: (219) [system] [abc, ['ConjunctionIntroduction', abc, abc]]=[abc, ['ConjunctionIntroduction', abc, abc]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), [abc, ['ConjunctionIntroduction', abc, abc]])
   Call: (218) [system] _485080=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]
   Exit: (218) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]])
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]])
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1928988)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1930846)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1940440)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1943144)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1960078)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1965648)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1967506)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1983516)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1965648)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1989086)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _2005096)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _2010666)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _2012524)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _2028534)
   Exit: (220) [system] get_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', _2010666)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _2046176)
   Call: (222) [system] peek_char((0x560c892e10d0), _2047110)
   Exit: (222) [system] peek_char((0x560c892e10d0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_2051830, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_2052762, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x560c892e10d0), r)
   Exit: (222) [system] get_char((0x560c892e10d0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _2060112)
   Call: (223) [system] peek_char((0x560c892e10d0), _2061046)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_2065766, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_2066698, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x560c892e10d0), 'L')
   Exit: (223) [system] get_char((0x560c892e10d0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _2074048)
   Call: (224) [system] peek_char((0x560c892e10d0), _2074982)
   Exit: (224) [system] peek_char((0x560c892e10d0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2079702, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2080634, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x560c892e10d0), i)
   Exit: (224) [system] get_char((0x560c892e10d0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _2087984)
   Call: (225) [system] peek_char((0x560c892e10d0), _2088918)
   Exit: (225) [system] peek_char((0x560c892e10d0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2093638, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2094570, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x560c892e10d0), n)
   Exit: (225) [system] get_char((0x560c892e10d0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _12024)
   Call: (226) [system] peek_char((0x560c892e10d0), _12958)
   Exit: (226) [system] peek_char((0x560c892e10d0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_17678, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_18610, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x560c892e10d0), k)
   Exit: (226) [system] get_char((0x560c892e10d0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _25960)
   Call: (227) [system] peek_char((0x560c892e10d0), _26894)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _25960=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (226) [system] _12024=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (225) [system] _6852=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (224) [system] _6848=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (223) [system] _6844=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (222) [system] _6840=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _6836)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _50148)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_51100, _51102), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _50148), _51082, fail)), '$restore_trace'(_51100, _51102))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_51100, _51102))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _50148), _51082, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_50148)
   Fail: (223) [system] atomic(_50148)
   Call: (223) [system] atom_chars(_50148, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _6836='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _65098)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _66956)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _76550)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _79254)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _96188)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _101758)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _103616)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _119626)
   Exit: (221) [system] get_char((0x560c892e10d0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _101758)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _125196)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _141206)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _146776)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _148634)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _164644)
   Exit: (223) [system] get_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x560c892e10d0), 'I', _146776)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _182286)
   Call: (225) [system] peek_char((0x560c892e10d0), _183220)
   Exit: (225) [system] peek_char((0x560c892e10d0), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_187940, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_188872, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x560c892e10d0), m)
   Exit: (225) [system] get_char((0x560c892e10d0), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _196222)
   Call: (226) [system] peek_char((0x560c892e10d0), _197156)
   Exit: (226) [system] peek_char((0x560c892e10d0), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_201876, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_202808, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x560c892e10d0), p)
   Exit: (226) [system] get_char((0x560c892e10d0), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _210158)
   Call: (227) [system] peek_char((0x560c892e10d0), _211092)
   Exit: (227) [system] peek_char((0x560c892e10d0), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_215812, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_216744, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x560c892e10d0), l)
   Exit: (227) [system] get_char((0x560c892e10d0), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _224094)
   Call: (228) [system] peek_char((0x560c892e10d0), _225028)
   Exit: (228) [system] peek_char((0x560c892e10d0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_229748, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_230680, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x560c892e10d0), i)
   Exit: (228) [system] get_char((0x560c892e10d0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _238030)
   Call: (229) [system] peek_char((0x560c892e10d0), _238964)
   Exit: (229) [system] peek_char((0x560c892e10d0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_243684, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_244616, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x560c892e10d0), c)
   Exit: (229) [system] get_char((0x560c892e10d0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _251966)
   Call: (230) [system] peek_char((0x560c892e10d0), _252900)
   Exit: (230) [system] peek_char((0x560c892e10d0), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_257620, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_258552, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x560c892e10d0), a)
   Exit: (230) [system] get_char((0x560c892e10d0), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _265902)
   Call: (231) [system] peek_char((0x560c892e10d0), _266836)
   Exit: (231) [system] peek_char((0x560c892e10d0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_271556, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_272488, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x560c892e10d0), t)
   Exit: (231) [system] get_char((0x560c892e10d0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _279838)
   Call: (232) [system] peek_char((0x560c892e10d0), _280772)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_285492, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_286424, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _293774)
   Call: (233) [system] peek_char((0x560c892e10d0), _294708)
   Exit: (233) [system] peek_char((0x560c892e10d0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_299428, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_300360, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x560c892e10d0), o)
   Exit: (233) [system] get_char((0x560c892e10d0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _307710)
   Call: (234) [system] peek_char((0x560c892e10d0), _308644)
   Exit: (234) [system] peek_char((0x560c892e10d0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_313364, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_314296, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x560c892e10d0), n)
   Exit: (234) [system] get_char((0x560c892e10d0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _321646)
   Call: (235) [system] peek_char((0x560c892e10d0), _322580)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _321646=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _307710=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (233) [system] _293774=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (232) [system] _279838=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (231) [system] _265902=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (230) [system] _251966=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (229) [system] _238030=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (228) [system] _224094=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (227) [system] _210158=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _196222=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _182286=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _146776)
^  Call: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _359804)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_360756, _360758), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _359804), _360738, fail)), '$restore_trace'(_360756, _360758))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_360756, _360758))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _359804), _360738, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_359804)
   Fail: (226) [system] atomic(_359804)
   Call: (226) [system] atom_chars(_359804, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (225) [system] integer('Implication')
   Fail: (225) [system] integer('Implication')
   Call: (225) [system] _146776='Implication'
   Exit: (225) [system] 'Implication'='Implication'
^  Exit: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _374754)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _376612)
   Exit: (224) [system] peek_char((0x560c892e10d0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x560c892e10d0), _386206)
   Exit: (224) [system] get_char((0x560c892e10d0), ' ')
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _388910)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _405844)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _411414)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _413272)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _429282)
   Exit: (224) [system] get_char((0x560c892e10d0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _411414)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _434852)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _450862)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _456432)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _458290)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _474300)
   Exit: (226) [system] get_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', _456432)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _491942)
   Call: (228) [system] peek_char((0x560c892e10d0), _492876)
   Exit: (228) [system] peek_char((0x560c892e10d0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_497596, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_498528, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x560c892e10d0), n)
   Exit: (228) [system] get_char((0x560c892e10d0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _505878)
   Call: (229) [system] peek_char((0x560c892e10d0), _506812)
   Exit: (229) [system] peek_char((0x560c892e10d0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_511532, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_512464, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x560c892e10d0), d)
   Exit: (229) [system] get_char((0x560c892e10d0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _519814)
   Call: (230) [system] peek_char((0x560c892e10d0), _520748)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_525468, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_526400, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x560c892e10d0), 'L')
   Exit: (230) [system] get_char((0x560c892e10d0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _533750)
   Call: (231) [system] peek_char((0x560c892e10d0), _534684)
   Exit: (231) [system] peek_char((0x560c892e10d0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_539404, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_540336, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x560c892e10d0), i)
   Exit: (231) [system] get_char((0x560c892e10d0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _547686)
   Call: (232) [system] peek_char((0x560c892e10d0), _548620)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_553340, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_554272, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _561622)
   Call: (233) [system] peek_char((0x560c892e10d0), _562556)
   Exit: (233) [system] peek_char((0x560c892e10d0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_567276, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_568208, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x560c892e10d0), k)
   Exit: (233) [system] get_char((0x560c892e10d0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _575558)
   Call: (234) [system] peek_char((0x560c892e10d0), _576492)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _575558=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (233) [system] _561622=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (232) [system] _547686=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (231) [system] _533750=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (230) [system] _519814=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (229) [system] _505878=[d, 'L', i, n, k]
   Exit: (229) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (228) [system] _491942=[n, d, 'L', i, n, k]
   Exit: (228) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _456432)
^  Call: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _602540)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_603492, _603494), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _602540), _603474, fail)), '$restore_trace'(_603492, _603494))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_603492, _603494))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _602540), _603474, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_602540)
   Fail: (229) [system] atomic(_602540)
   Call: (229) [system] atom_chars(_602540, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (228) [system] integer('AndLink')
   Fail: (228) [system] integer('AndLink')
   Call: (228) [system] _456432='AndLink'
   Exit: (228) [system] 'AndLink'='AndLink'
^  Exit: (227) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _617490)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _619348)
   Exit: (227) [system] peek_char((0x560c892e10d0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x560c892e10d0), _628942)
   Exit: (227) [system] get_char((0x560c892e10d0), ' ')
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _631646)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _648580)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _654150)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _656008)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _672018)
   Exit: (227) [system] get_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', _654150)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _689660)
   Call: (229) [system] peek_char((0x560c892e10d0), _690594)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _689660=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _654150)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _699878)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_700830, _700832), once(user:catch(read_from_chars(['A'], _699878), _700812, fail)), '$restore_trace'(_700830, _700832))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_700830, _700832))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _699878), _700812, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_699878)
   Fail: (230) [system] atomic(_699878)
   Call: (230) [system] atom_chars(_699878, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _654150='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _714828)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _716686)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _726280)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _728984)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _745918)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'B')
   Call: (227) [system] 'B'=')'
   Fail: (227) [system] 'B'=')'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _751488)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _753346)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'=(;)
   Fail: (229) [system] 'B'=(;)
   Call: (229) [system] 'B'=(/)
   Fail: (229) [system] 'B'=(/)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Fail: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Fail: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Fail: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
   Fail: (230) [system] char_type('B', cntrl)
^  Fail: (229) [user] is_like_space('B')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _769356)
   Exit: (228) [system] get_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'='('
   Fail: (228) [system] 'B'='('
   Call: (228) [system] 'B'='['
   Fail: (228) [system] 'B'='['
   Call: (228) [system] 'B'='{'
   Fail: (228) [system] 'B'='{'
   Call: (228) [system] 'B'='"'
   Fail: (228) [system] 'B'='"'
   Call: (228) [system] 'B'=!
   Fail: (228) [system] 'B'=!
   Call: (228) [system] 'B'='\''
   Fail: (228) [system] 'B'='\''
   Call: (228) [system] 'B'='`'
   Fail: (228) [system] 'B'='`'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'B', _751488)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _786998)
   Call: (230) [system] peek_char((0x560c892e10d0), _787932)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_792652, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _786998=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['B'], _751488)
^  Call: (230) [user] classify_and_convert_charseq_(['B'], _799088)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_800040, _800042), once(user:catch(read_from_chars(['B'], _799088), _800022, fail)), '$restore_trace'(_800040, _800042))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_800040, _800042))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _799088), _800022, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_799088)
   Fail: (231) [system] atomic(_799088)
   Call: (231) [system] atom_chars(_799088, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (230) [system] integer('B')
   Fail: (230) [system] integer('B')
   Call: (230) [system] _751488='B'
   Exit: (230) [system] 'B'='B'
^  Exit: (229) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _814038)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _815896)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _831906)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x560c892e10d0), _835696)
   Exit: (228) [system] get_char((0x560c892e10d0), ')')
   Call: (228) [system] _814038=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [])
   Call: (227) [system] _714828=['B']
   Exit: (227) [system] ['B']=['B']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (226) [system] _617490=['A', 'B']
   Exit: (226) [system] ['A', 'B']=['A', 'B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (225) [system] _411414=['AndLink', 'A', 'B']
   Exit: (225) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _849578)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _851436)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _861030)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _863734)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _880668)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _886238)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _888096)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _904106)
   Exit: (225) [system] get_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', _886238)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _921748)
   Call: (227) [system] peek_char((0x560c892e10d0), _922682)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_927402, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _921748=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _886238)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _933838)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_934790, _934792), once(user:catch(read_from_chars(['C'], _933838), _934772, fail)), '$restore_trace'(_934790, _934792))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_934790, _934792))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _933838), _934772, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_933838)
   Fail: (228) [system] atomic(_933838)
   Call: (228) [system] atom_chars(_933838, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _886238='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _948788)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _950646)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _966656)
   Exit: (225) [system] peek_char((0x560c892e10d0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x560c892e10d0), _970446)
   Exit: (225) [system] get_char((0x560c892e10d0), ')')
   Call: (225) [system] _948788=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [])
   Call: (224) [system] _849578=['C']
   Exit: (224) [system] ['C']=['C']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (223) [system] _374754=[['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (222) [system] _101758=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _984328)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _986186)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _995780)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _998484)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1015418)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1020988)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1022846)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1038856)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1020988)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1044426)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1060436)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1066006)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1067864)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1083874)
   Exit: (224) [system] get_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1066006)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1101516)
   Call: (226) [system] peek_char((0x560c892e10d0), _1102450)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1107170, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1108102, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1115452)
   Call: (227) [system] peek_char((0x560c892e10d0), _1116386)
   Exit: (227) [system] peek_char((0x560c892e10d0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1121106, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1122038, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x560c892e10d0), d)
   Exit: (227) [system] get_char((0x560c892e10d0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1129388)
   Call: (228) [system] peek_char((0x560c892e10d0), _1130322)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1135042, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1135974, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x560c892e10d0), 'L')
   Exit: (228) [system] get_char((0x560c892e10d0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1143324)
   Call: (229) [system] peek_char((0x560c892e10d0), _1144258)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1148978, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1149910, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1157260)
   Call: (230) [system] peek_char((0x560c892e10d0), _1158194)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1162914, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1163846, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1171196)
   Call: (231) [system] peek_char((0x560c892e10d0), _1172130)
   Exit: (231) [system] peek_char((0x560c892e10d0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1176850, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1177782, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x560c892e10d0), k)
   Exit: (231) [system] get_char((0x560c892e10d0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1185132)
   Call: (232) [system] peek_char((0x560c892e10d0), _1186066)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1185132=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (231) [system] _1171196=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (230) [system] _1157260=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (229) [system] _1143324=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (228) [system] _1129388=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (227) [system] _1115452=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (226) [system] _1101516=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1066006)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1212114)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1213066, _1213068), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1212114), _1213048, fail)), '$restore_trace'(_1213066, _1213068))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1213066, _1213068))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1212114), _1213048, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1212114)
   Fail: (227) [system] atomic(_1212114)
   Call: (227) [system] atom_chars(_1212114, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _1066006='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1227064)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1228922)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1238516)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1241220)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1258154)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1263724)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1265582)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1281592)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1263724)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1287162)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1303172)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'I')
   Call: (226) [system] 'I'=')'
   Fail: (226) [system] 'I'=')'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1308742)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1310600)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1326610)
   Exit: (227) [system] get_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'='('
   Fail: (227) [system] 'I'='('
   Call: (227) [system] 'I'='['
   Fail: (227) [system] 'I'='['
   Call: (227) [system] 'I'='{'
   Fail: (227) [system] 'I'='{'
   Call: (227) [system] 'I'='"'
   Fail: (227) [system] 'I'='"'
   Call: (227) [system] 'I'=!
   Fail: (227) [system] 'I'=!
   Call: (227) [system] 'I'='\''
   Fail: (227) [system] 'I'='\''
   Call: (227) [system] 'I'='`'
   Fail: (227) [system] 'I'='`'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'I', _1308742)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1344252)
   Call: (229) [system] peek_char((0x560c892e10d0), _1345186)
   Exit: (229) [system] peek_char((0x560c892e10d0), m)
^  Call: (229) [user] is_delimiter(m)
   Call: (230) [system] char_type(m, space)
   Fail: (230) [system] char_type(m, space)
   Call: (230) [system] arg(_1349906, v('(', ')', end_of_file), m)
   Fail: (230) [system] arg(_1350838, v('(', ')', end_of_file), m)
^  Fail: (229) [user] is_delimiter(m)
   Call: (229) [system] ')'==m
   Fail: (229) [system] ')'==m
   Call: (229) [system] get_char((0x560c892e10d0), m)
   Exit: (229) [system] get_char((0x560c892e10d0), m)
   Call: (229) [system] m=(\)
   Fail: (229) [system] m=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1358188)
   Call: (230) [system] peek_char((0x560c892e10d0), _1359122)
   Exit: (230) [system] peek_char((0x560c892e10d0), p)
^  Call: (230) [user] is_delimiter(p)
   Call: (231) [system] char_type(p, space)
   Fail: (231) [system] char_type(p, space)
   Call: (231) [system] arg(_1363842, v('(', ')', end_of_file), p)
   Fail: (231) [system] arg(_1364774, v('(', ')', end_of_file), p)
^  Fail: (230) [user] is_delimiter(p)
   Call: (230) [system] ')'==p
   Fail: (230) [system] ')'==p
   Call: (230) [system] get_char((0x560c892e10d0), p)
   Exit: (230) [system] get_char((0x560c892e10d0), p)
   Call: (230) [system] p=(\)
   Fail: (230) [system] p=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1372124)
   Call: (231) [system] peek_char((0x560c892e10d0), _1373058)
   Exit: (231) [system] peek_char((0x560c892e10d0), l)
^  Call: (231) [user] is_delimiter(l)
   Call: (232) [system] char_type(l, space)
   Fail: (232) [system] char_type(l, space)
   Call: (232) [system] arg(_1377778, v('(', ')', end_of_file), l)
   Fail: (232) [system] arg(_1378710, v('(', ')', end_of_file), l)
^  Fail: (231) [user] is_delimiter(l)
   Call: (231) [system] ')'==l
   Fail: (231) [system] ')'==l
   Call: (231) [system] get_char((0x560c892e10d0), l)
   Exit: (231) [system] get_char((0x560c892e10d0), l)
   Call: (231) [system] l=(\)
   Fail: (231) [system] l=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1386060)
   Call: (232) [system] peek_char((0x560c892e10d0), _1386994)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1391714, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1392646, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1399996)
   Call: (233) [system] peek_char((0x560c892e10d0), _1400930)
   Exit: (233) [system] peek_char((0x560c892e10d0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1405650, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1406582, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x560c892e10d0), c)
   Exit: (233) [system] get_char((0x560c892e10d0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1413932)
   Call: (234) [system] peek_char((0x560c892e10d0), _1414866)
   Exit: (234) [system] peek_char((0x560c892e10d0), a)
^  Call: (234) [user] is_delimiter(a)
   Call: (235) [system] char_type(a, space)
   Fail: (235) [system] char_type(a, space)
   Call: (235) [system] arg(_1419586, v('(', ')', end_of_file), a)
   Fail: (235) [system] arg(_1420518, v('(', ')', end_of_file), a)
^  Fail: (234) [user] is_delimiter(a)
   Call: (234) [system] ')'==a
   Fail: (234) [system] ')'==a
   Call: (234) [system] get_char((0x560c892e10d0), a)
   Exit: (234) [system] get_char((0x560c892e10d0), a)
   Call: (234) [system] a=(\)
   Fail: (234) [system] a=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1427868)
   Call: (235) [system] peek_char((0x560c892e10d0), _1428802)
   Exit: (235) [system] peek_char((0x560c892e10d0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1433522, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1434454, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x560c892e10d0), t)
   Exit: (235) [system] get_char((0x560c892e10d0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1441804)
   Call: (236) [system] peek_char((0x560c892e10d0), _1442738)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1447458, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1448390, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1455740)
   Call: (237) [system] peek_char((0x560c892e10d0), _1456674)
   Exit: (237) [system] peek_char((0x560c892e10d0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1461394, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1462326, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x560c892e10d0), o)
   Exit: (237) [system] get_char((0x560c892e10d0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1469676)
   Call: (238) [system] peek_char((0x560c892e10d0), _1470610)
   Exit: (238) [system] peek_char((0x560c892e10d0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1475330, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1476262, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x560c892e10d0), n)
   Exit: (238) [system] get_char((0x560c892e10d0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1483612)
   Call: (239) [system] peek_char((0x560c892e10d0), _1484546)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1483612=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _1469676=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (237) [system] _1455740=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (236) [system] _1441804=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (235) [system] _1427868=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (234) [system] _1413932=[a, t, i, o, n]
   Exit: (234) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (233) [system] _1399996=[c, a, t, i, o, n]
   Exit: (233) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (232) [system] _1386060=[i, c, a, t, i, o, n]
   Exit: (232) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (231) [system] _1372124=[l, i, c, a, t, i, o, n]
   Exit: (231) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (230) [system] _1358188=[p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (229) [system] _1344252=[m, p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1308742)
^  Call: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1521770)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1522722, _1522724), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1521770), _1522704, fail)), '$restore_trace'(_1522722, _1522724))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1522722, _1522724))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1521770), _1522704, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1521770)
   Fail: (230) [system] atomic(_1521770)
   Call: (230) [system] atom_chars(_1521770, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (229) [system] integer('Implication')
   Fail: (229) [system] integer('Implication')
   Call: (229) [system] _1308742='Implication'
   Exit: (229) [system] 'Implication'='Implication'
^  Exit: (228) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1536720)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1538578)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1548172)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1550876)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1567810)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1573380)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1575238)
   Exit: (229) [system] peek_char((0x560c892e10d0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1591248)
   Exit: (228) [system] get_char((0x560c892e10d0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1573380)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1596818)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'=(;)
   Fail: (230) [system] 'A'=(;)
   Call: (230) [system] 'A'=(/)
   Fail: (230) [system] 'A'=(/)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Fail: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Fail: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Fail: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
   Fail: (231) [system] char_type('A', cntrl)
^  Fail: (230) [user] is_like_space('A')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1612828)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=')'
   Fail: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
   Fail: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _1618398)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1620256)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _1636266)
   Exit: (230) [system] get_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'='('
   Fail: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Fail: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Fail: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Fail: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Fail: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Fail: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Fail: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1618398)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1653908)
   Call: (232) [system] peek_char((0x560c892e10d0), _1654842)
   Exit: (232) [system] peek_char((0x560c892e10d0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1659562, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1660494, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x560c892e10d0), n)
   Exit: (232) [system] get_char((0x560c892e10d0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1667844)
   Call: (233) [system] peek_char((0x560c892e10d0), _1668778)
   Exit: (233) [system] peek_char((0x560c892e10d0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1673498, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_1674430, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x560c892e10d0), d)
   Exit: (233) [system] get_char((0x560c892e10d0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1681780)
   Call: (234) [system] peek_char((0x560c892e10d0), _1682714)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1687434, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_1688366, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x560c892e10d0), 'L')
   Exit: (234) [system] get_char((0x560c892e10d0), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1695716)
   Call: (235) [system] peek_char((0x560c892e10d0), _1696650)
   Exit: (235) [system] peek_char((0x560c892e10d0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1701370, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1702302, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x560c892e10d0), i)
   Exit: (235) [system] get_char((0x560c892e10d0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1709652)
   Call: (236) [system] peek_char((0x560c892e10d0), _1710586)
   Exit: (236) [system] peek_char((0x560c892e10d0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1715306, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1716238, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x560c892e10d0), n)
   Exit: (236) [system] get_char((0x560c892e10d0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1723588)
   Call: (237) [system] peek_char((0x560c892e10d0), _1724522)
   Exit: (237) [system] peek_char((0x560c892e10d0), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1729242, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_1730174, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x560c892e10d0), k)
   Exit: (237) [system] get_char((0x560c892e10d0), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1737524)
   Call: (238) [system] peek_char((0x560c892e10d0), _1738458)
   Exit: (238) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1737524=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (237) [system] _1723588=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (236) [system] _1709652=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (235) [system] _1695716=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (234) [system] _1681780=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (233) [system] _1667844=[d, 'L', i, n, k]
   Exit: (233) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (232) [system] _1653908=[n, d, 'L', i, n, k]
   Exit: (232) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1618398)
^  Call: (232) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1764506)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1765458, _1765460), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1764506), _1765440, fail)), '$restore_trace'(_1765458, _1765460))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1765458, _1765460))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1764506), _1765440, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1764506)
   Fail: (233) [system] atomic(_1764506)
   Call: (233) [system] atom_chars(_1764506, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (232) [system] integer('AndLink')
   Fail: (232) [system] integer('AndLink')
   Call: (232) [system] _1618398='AndLink'
   Exit: (232) [system] 'AndLink'='AndLink'
^  Exit: (231) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _1779456)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1781314)
   Exit: (231) [system] peek_char((0x560c892e10d0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x560c892e10d0), _1790908)
   Exit: (231) [system] get_char((0x560c892e10d0), ' ')
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1793612)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1810546)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _1816116)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1817974)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _1833984)
   Exit: (231) [system] get_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1816116)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1851626)
   Call: (233) [system] peek_char((0x560c892e10d0), _1852560)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1851626=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (232) [user] classify_and_convert_charseq(['A'], _1816116)
^  Call: (233) [user] classify_and_convert_charseq_(['A'], _1861844)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1862796, _1862798), once(user:catch(read_from_chars(['A'], _1861844), _1862778, fail)), '$restore_trace'(_1862796, _1862798))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1862796, _1862798))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1861844), _1862778, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1861844)
   Fail: (234) [system] atomic(_1861844)
   Call: (234) [system] atom_chars(_1861844, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (233) [system] integer('A')
   Fail: (233) [system] integer('A')
   Call: (233) [system] _1816116='A'
   Exit: (233) [system] 'A'='A'
^  Exit: (232) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _1876794)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1878652)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _1888246)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1890950)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _1907884)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'B')
   Call: (231) [system] 'B'=')'
   Fail: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _1913454)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1915312)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _1931322)
   Exit: (232) [system] get_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'='('
   Fail: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Fail: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Fail: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Fail: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Fail: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Fail: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Fail: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1913454)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1948964)
   Call: (234) [system] peek_char((0x560c892e10d0), _1949898)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1954618, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1948964=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq(['B'], _1913454)
^  Call: (234) [user] classify_and_convert_charseq_(['B'], _1961054)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1962006, _1962008), once(user:catch(read_from_chars(['B'], _1961054), _1961988, fail)), '$restore_trace'(_1962006, _1962008))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1962006, _1962008))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1961054), _1961988, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1961054)
   Fail: (235) [system] atomic(_1961054)
   Call: (235) [system] atom_chars(_1961054, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (234) [system] integer('B')
   Fail: (234) [system] integer('B')
   Call: (234) [system] _1913454='B'
   Exit: (234) [system] 'B'='B'
^  Exit: (233) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _1976004)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _1977862)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _1993872)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x560c892e10d0), _1997662)
   Exit: (232) [system] get_char((0x560c892e10d0), ')')
   Call: (232) [system] _1976004=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), [])
   Call: (231) [system] _1876794=['B']
   Exit: (231) [system] ['B']=['B']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (230) [system] _1779456=['A', 'B']
   Exit: (230) [system] ['A', 'B']=['A', 'B']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (229) [system] _1573380=['AndLink', 'A', 'B']
   Exit: (229) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _2011544)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2013402)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _2022996)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _2025700)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _2042634)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _2048204)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _2050062)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _2066072)
   Exit: (229) [system] get_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', _2048204)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2083714)
   Call: (231) [system] peek_char((0x560c892e10d0), _2084648)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_2089368, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _2083714=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _2048204)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _2095804)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_6970, _6972), once(user:catch(read_from_chars(['C'], _6944), _6952, fail)), '$restore_trace'(_6970, _6972))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_6970, _6972))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _6944), _6952, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_6944)
   Fail: (232) [system] atomic(_6944)
   Call: (232) [system] atom_chars(_6944, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _6932='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _20890)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _22748)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _38758)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _42548)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _20890=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _6928=['C']
   Exit: (228) [system] ['C']=['C']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (227) [system] _6904=[['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (226) [system] _6896=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (226) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _56430)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _58288)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _67882)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _70586)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _87520)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _93090)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _94948)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _110958)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _93090)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _116528)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _132538)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _138108)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _139966)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _155976)
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', _138108)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _173618)
   Call: (230) [system] peek_char((0x560c892e10d0), _174552)
   Exit: (230) [system] peek_char((0x560c892e10d0), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_179272, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_180204, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x560c892e10d0), m)
   Exit: (230) [system] get_char((0x560c892e10d0), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _187554)
   Call: (231) [system] peek_char((0x560c892e10d0), _188488)
   Exit: (231) [system] peek_char((0x560c892e10d0), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_193208, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_194140, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x560c892e10d0), p)
   Exit: (231) [system] get_char((0x560c892e10d0), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _201490)
   Call: (232) [system] peek_char((0x560c892e10d0), _202424)
   Exit: (232) [system] peek_char((0x560c892e10d0), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_207144, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_208076, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x560c892e10d0), l)
   Exit: (232) [system] get_char((0x560c892e10d0), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _215426)
   Call: (233) [system] peek_char((0x560c892e10d0), _216360)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_221080, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_222012, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _229362)
   Call: (234) [system] peek_char((0x560c892e10d0), _230296)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_235016, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_235948, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _243298)
   Call: (235) [system] peek_char((0x560c892e10d0), _244232)
   Exit: (235) [system] peek_char((0x560c892e10d0), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_248952, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_249884, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x560c892e10d0), a)
   Exit: (235) [system] get_char((0x560c892e10d0), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _257234)
   Call: (236) [system] peek_char((0x560c892e10d0), _258168)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_262888, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_263820, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _271170)
   Call: (237) [system] peek_char((0x560c892e10d0), _272104)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_276824, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_277756, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _285106)
   Call: (238) [system] peek_char((0x560c892e10d0), _286040)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_290760, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_291692, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _299042)
   Call: (239) [system] peek_char((0x560c892e10d0), _299976)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_304696, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_305628, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _312978)
   Call: (240) [system] peek_char((0x560c892e10d0), _313912)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _312978=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _299042=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _285106=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _271170=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _257234=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _243298=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (234) [system] _229362=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (233) [system] _215426=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (232) [system] _201490=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _187554=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _173618=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _138108)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _351136)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_352088, _352090), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _351136), _352070, fail)), '$restore_trace'(_352088, _352090))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_352088, _352090))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _351136), _352070, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_351136)
   Fail: (231) [system] atomic(_351136)
   Call: (231) [system] atom_chars(_351136, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _138108='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _366086)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _367944)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _377538)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _380242)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _397176)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _402746)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _404604)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _420614)
   Exit: (229) [system] get_char((0x560c892e10d0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _402746)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _426184)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _442194)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _447764)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _449622)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _465632)
   Exit: (231) [system] get_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', _447764)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _483274)
   Call: (233) [system] peek_char((0x560c892e10d0), _484208)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_488928, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_489860, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _497210)
   Call: (234) [system] peek_char((0x560c892e10d0), _498144)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_502864, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_503796, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _511146)
   Call: (235) [system] peek_char((0x560c892e10d0), _512080)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_516800, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_517732, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x560c892e10d0), 'L')
   Exit: (235) [system] get_char((0x560c892e10d0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _525082)
   Call: (236) [system] peek_char((0x560c892e10d0), _526016)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_530736, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_531668, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _539018)
   Call: (237) [system] peek_char((0x560c892e10d0), _539952)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_544672, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_545604, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _552954)
   Call: (238) [system] peek_char((0x560c892e10d0), _553888)
   Exit: (238) [system] peek_char((0x560c892e10d0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_558608, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_559540, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x560c892e10d0), k)
   Exit: (238) [system] get_char((0x560c892e10d0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _566890)
   Call: (239) [system] peek_char((0x560c892e10d0), _567824)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _566890=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _552954=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (237) [system] _539018=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (236) [system] _525082=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (235) [system] _511146=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (234) [system] _497210=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (233) [system] _483274=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _447764)
^  Call: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _593872)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_594824, _594826), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _593872), _594806, fail)), '$restore_trace'(_594824, _594826))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_594824, _594826))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _593872), _594806, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_593872)
   Fail: (234) [system] atomic(_593872)
   Call: (234) [system] atom_chars(_593872, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (233) [system] integer('AndLink')
   Fail: (233) [system] integer('AndLink')
   Call: (233) [system] _447764='AndLink'
   Exit: (233) [system] 'AndLink'='AndLink'
^  Exit: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _608822)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _610680)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _620274)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _622978)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _639912)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x560c892e10d0), _645482)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _647340)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] get_char((0x560c892e10d0), _663350)
   Exit: (232) [system] get_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', _645482)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _680992)
   Call: (234) [system] peek_char((0x560c892e10d0), _681926)
   Exit: (234) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _680992=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (233) [user] classify_and_convert_charseq(['A'], _645482)
^  Call: (234) [user] classify_and_convert_charseq_(['A'], _691210)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_692162, _692164), once(user:catch(read_from_chars(['A'], _691210), _692144, fail)), '$restore_trace'(_692162, _692164))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_692162, _692164))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _691210), _692144, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_691210)
   Fail: (235) [system] atomic(_691210)
   Call: (235) [system] atom_chars(_691210, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (234) [system] integer('A')
   Fail: (234) [system] integer('A')
   Call: (234) [system] _645482='A'
   Exit: (234) [system] 'A'='A'
^  Exit: (233) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (231) [user] read_list(')', (0x560c892e10d0), _706160)
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _708018)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x560c892e10d0), _717612)
   Exit: (233) [system] get_char((0x560c892e10d0), ' ')
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _720316)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
^  Exit: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _737250)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x560c892e10d0), _742820)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _744678)
   Exit: (234) [system] peek_char((0x560c892e10d0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] get_char((0x560c892e10d0), _760688)
   Exit: (233) [system] get_char((0x560c892e10d0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', _742820)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _778330)
   Call: (235) [system] peek_char((0x560c892e10d0), _779264)
   Exit: (235) [system] peek_char((0x560c892e10d0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_783984, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _778330=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _742820)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _790420)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_791372, _791374), once(user:catch(read_from_chars(['B'], _790420), _791354, fail)), '$restore_trace'(_791372, _791374))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_791372, _791374))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _790420), _791354, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_790420)
   Fail: (236) [system] atomic(_790420)
   Call: (236) [system] atom_chars(_790420, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _742820='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (232) [user] read_list(')', (0x560c892e10d0), _805370)
^  Call: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (234) [system] peek_char((0x560c892e10d0), _807228)
   Exit: (234) [system] peek_char((0x560c892e10d0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _823238)
   Exit: (233) [system] peek_char((0x560c892e10d0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x560c892e10d0), _827028)
   Exit: (233) [system] get_char((0x560c892e10d0), ')')
   Call: (233) [system] _805370=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x560c892e10d0), [])
   Call: (232) [system] _706160=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (231) [system] _608822=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (230) [system] _402746=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _840910)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _842768)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x560c892e10d0), _852362)
   Exit: (230) [system] get_char((0x560c892e10d0), ' ')
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _855066)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _872000)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x560c892e10d0), _877570)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _879428)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] get_char((0x560c892e10d0), _895438)
   Exit: (230) [system] get_char((0x560c892e10d0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', _877570)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _913080)
   Call: (232) [system] peek_char((0x560c892e10d0), _914014)
   Exit: (232) [system] peek_char((0x560c892e10d0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_918734, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _913080=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _877570)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _925170)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_926122, _926124), once(user:catch(read_from_chars(['C'], _925170), _926104, fail)), '$restore_trace'(_926122, _926124))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_926122, _926124))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _925170), _926104, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_925170)
   Fail: (233) [system] atomic(_925170)
   Call: (233) [system] atom_chars(_925170, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _877570='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _940120)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _941978)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _957988)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x560c892e10d0), _961778)
   Exit: (230) [system] get_char((0x560c892e10d0), ')')
   Call: (230) [system] _940120=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x560c892e10d0), [])
   Call: (229) [system] _840910=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (228) [system] _366086=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _93090=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _975660)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _977518)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _993528)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _997318)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _975660=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _56430=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6892=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _6884=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1011200)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1013058)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1029068)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _1032858)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _1011200=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _6880=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6838=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6830=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _1046740)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1048598)
   Exit: (219) [system] peek_char((0x560c892e10d0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1064608)
   Exit: (218) [system] peek_char((0x560c892e10d0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x560c892e10d0), _1068398)
   Exit: (218) [system] get_char((0x560c892e10d0), ')')
   Call: (218) [system] _1046740=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x560c892e10d0), [])
   Call: (217) [system] _6826=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (217) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (216) [user] read_list(')', (0x560c892e10d0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (216) [system] _6784=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (216) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (215) [user] read_list(')', (0x560c892e10d0), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (215) [system] _6776=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (214) [user] read_list(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (213) [user] cont_sexpr(')', (0x560c892e10d0), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (213) [user] read_list(')', (0x560c892e10d0), _1082280)
^  Call: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] peek_char((0x560c892e10d0), _1084138)
   Exit: (215) [system] peek_char((0x560c892e10d0), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
   Call: (215) [system] '\n'=(/)
   Fail: (215) [system] '\n'=(/)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x560c892e10d0), _1095588)
   Exit: (215) [system] get_char((0x560c892e10d0), '\n')
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1098292)
   Exit: (216) [system] peek_char((0x560c892e10d0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x560c892e10d0), _1107886)
   Exit: (216) [system] get_char((0x560c892e10d0), ' ')
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1110590)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
^  Exit: (214) [user] skip_spaces((0x560c892e10d0))
   Call: (214) [system] peek_char((0x560c892e10d0), _1128448)
   Exit: (214) [system] peek_char((0x560c892e10d0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x560c892e10d0), _1134018)
^  Call: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1135876)
   Exit: (216) [system] peek_char((0x560c892e10d0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x560c892e10d0))
   Call: (215) [system] get_char((0x560c892e10d0), _1151886)
   Exit: (215) [system] get_char((0x560c892e10d0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x560c892e10d0), _1134018)
^  Call: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1157456)
   Exit: (217) [system] peek_char((0x560c892e10d0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x560c892e10d0))
   Call: (216) [system] peek_char((0x560c892e10d0), _1173466)
   Exit: (216) [system] peek_char((0x560c892e10d0), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x560c892e10d0), _1179036)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1180894)
   Exit: (218) [system] peek_char((0x560c892e10d0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] get_char((0x560c892e10d0), _1196904)
   Exit: (217) [system] get_char((0x560c892e10d0), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x560c892e10d0), :, _1179036)
^  Call: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), _1214546)
   Call: (219) [system] peek_char((0x560c892e10d0), _1215480)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1214546=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (218) [user] classify_and_convert_charseq([:], _1179036)
^  Call: (219) [user] classify_and_convert_charseq_([:], _1224764)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1225716, _1225718), once(user:catch(read_from_chars([:], _1224764), _1225698, fail)), '$restore_trace'(_1225716, _1225718))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1225716, _1225718))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1225698, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq_([:], :)
   Call: (219) [system] integer(:)
   Fail: (219) [system] integer(:)
   Call: (219) [system] _1179036=(:)
   Exit: (219) [system] (:)=(:)
^  Exit: (218) [user] classify_and_convert_charseq([:], :)
^  Exit: (217) [user] read_symbolic(')', (0x560c892e10d0), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x560c892e10d0), :)
^  Call: (216) [user] read_list(')', (0x560c892e10d0), _1237844)
^  Call: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _1239702)
   Exit: (218) [system] peek_char((0x560c892e10d0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x560c892e10d0), _1249296)
   Exit: (218) [system] get_char((0x560c892e10d0), ' ')
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1252000)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
^  Exit: (217) [user] skip_spaces((0x560c892e10d0))
   Call: (217) [system] peek_char((0x560c892e10d0), _1268934)
   Exit: (217) [system] peek_char((0x560c892e10d0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x560c892e10d0), _1274504)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1276362)
   Exit: (219) [system] peek_char((0x560c892e10d0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] get_char((0x560c892e10d0), _1292372)
   Exit: (218) [system] get_char((0x560c892e10d0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x560c892e10d0), _1274504)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1297942)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _1313952)
   Exit: (219) [system] peek_char((0x560c892e10d0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x560c892e10d0), _1319522)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1321380)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] get_char((0x560c892e10d0), _1337390)
   Exit: (220) [system] get_char((0x560c892e10d0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', _1319522)
^  Call: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), _1355032)
   Call: (222) [system] peek_char((0x560c892e10d0), _1355966)
   Exit: (222) [system] peek_char((0x560c892e10d0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1360686, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1361618, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x560c892e10d0), i)
   Exit: (222) [system] get_char((0x560c892e10d0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1368968)
   Call: (223) [system] peek_char((0x560c892e10d0), _1369902)
   Exit: (223) [system] peek_char((0x560c892e10d0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1374622, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1375554, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x560c892e10d0), s)
   Exit: (223) [system] get_char((0x560c892e10d0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1382904)
   Call: (224) [system] peek_char((0x560c892e10d0), _1383838)
   Exit: (224) [system] peek_char((0x560c892e10d0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1388558, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1389490, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x560c892e10d0), j)
   Exit: (224) [system] get_char((0x560c892e10d0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1396840)
   Call: (225) [system] peek_char((0x560c892e10d0), _1397774)
   Exit: (225) [system] peek_char((0x560c892e10d0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1402494, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1403426, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x560c892e10d0), u)
   Exit: (225) [system] get_char((0x560c892e10d0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1410776)
   Call: (226) [system] peek_char((0x560c892e10d0), _1411710)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1416430, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1417362, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1424712)
   Call: (227) [system] peek_char((0x560c892e10d0), _1425646)
   Exit: (227) [system] peek_char((0x560c892e10d0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1430366, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1431298, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x560c892e10d0), c)
   Exit: (227) [system] get_char((0x560c892e10d0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1438648)
   Call: (228) [system] peek_char((0x560c892e10d0), _1439582)
   Exit: (228) [system] peek_char((0x560c892e10d0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1444302, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1445234, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x560c892e10d0), t)
   Exit: (228) [system] get_char((0x560c892e10d0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1452584)
   Call: (229) [system] peek_char((0x560c892e10d0), _1453518)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1458238, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1459170, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1466520)
   Call: (230) [system] peek_char((0x560c892e10d0), _1467454)
   Exit: (230) [system] peek_char((0x560c892e10d0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1472174, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1473106, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x560c892e10d0), o)
   Exit: (230) [system] get_char((0x560c892e10d0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1480456)
   Call: (231) [system] peek_char((0x560c892e10d0), _1481390)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1486110, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1487042, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1494392)
   Call: (232) [system] peek_char((0x560c892e10d0), _1495326)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1500046, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1500978, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x560c892e10d0), 'I')
   Exit: (232) [system] get_char((0x560c892e10d0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1508328)
   Call: (233) [system] peek_char((0x560c892e10d0), _1509262)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1513982, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1514914, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1522264)
   Call: (234) [system] peek_char((0x560c892e10d0), _1523198)
   Exit: (234) [system] peek_char((0x560c892e10d0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1527918, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1528850, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x560c892e10d0), t)
   Exit: (234) [system] get_char((0x560c892e10d0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1536200)
   Call: (235) [system] peek_char((0x560c892e10d0), _1537134)
   Exit: (235) [system] peek_char((0x560c892e10d0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1541854, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1542786, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x560c892e10d0), r)
   Exit: (235) [system] get_char((0x560c892e10d0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1550136)
   Call: (236) [system] peek_char((0x560c892e10d0), _1551070)
   Exit: (236) [system] peek_char((0x560c892e10d0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1555790, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1556722, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x560c892e10d0), o)
   Exit: (236) [system] get_char((0x560c892e10d0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _1564072)
   Call: (237) [system] peek_char((0x560c892e10d0), _1565006)
   Exit: (237) [system] peek_char((0x560c892e10d0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1569726, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1570658, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x560c892e10d0), d)
   Exit: (237) [system] get_char((0x560c892e10d0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _1578008)
   Call: (238) [system] peek_char((0x560c892e10d0), _1578942)
   Exit: (238) [system] peek_char((0x560c892e10d0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1583662, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1584594, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x560c892e10d0), u)
   Exit: (238) [system] get_char((0x560c892e10d0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _1591944)
   Call: (239) [system] peek_char((0x560c892e10d0), _1592878)
   Exit: (239) [system] peek_char((0x560c892e10d0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1597598, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1598530, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x560c892e10d0), c)
   Exit: (239) [system] get_char((0x560c892e10d0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _1605880)
   Call: (240) [system] peek_char((0x560c892e10d0), _1606814)
   Exit: (240) [system] peek_char((0x560c892e10d0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1611534, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1612466, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x560c892e10d0), t)
   Exit: (240) [system] get_char((0x560c892e10d0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _1619816)
   Call: (241) [system] peek_char((0x560c892e10d0), _1620750)
   Exit: (241) [system] peek_char((0x560c892e10d0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1625470, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1626402, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x560c892e10d0), i)
   Exit: (241) [system] get_char((0x560c892e10d0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _1633752)
   Call: (242) [system] peek_char((0x560c892e10d0), _1634686)
   Exit: (242) [system] peek_char((0x560c892e10d0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1639406, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1640338, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x560c892e10d0), o)
   Exit: (242) [system] get_char((0x560c892e10d0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _1647688)
   Call: (243) [system] peek_char((0x560c892e10d0), _1648622)
   Exit: (243) [system] peek_char((0x560c892e10d0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1653342, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1654274, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x560c892e10d0), n)
   Exit: (243) [system] get_char((0x560c892e10d0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _1661624)
   Call: (244) [system] peek_char((0x560c892e10d0), _1662558)
   Exit: (244) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1661624=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (243) [system] _1647688=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (242) [system] _1633752=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (241) [system] _1619816=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (240) [system] _1605880=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (239) [system] _1591944=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (238) [system] _1578008=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (237) [system] _1564072=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (236) [system] _1550136=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1536200=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1522264=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1508328=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1494392=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1480456=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1466520=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1452584=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1438648=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1424712=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1410776=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1396840=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1382904=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1368968=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1355032=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1319522)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1733310)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1734262, _1734264), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1733310), _1734244, fail)), '$restore_trace'(_1734262, _1734264))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1734262, _1734264))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1733310), _1734244, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1733310)
   Fail: (223) [system] atomic(_1733310)
   Call: (223) [system] atom_chars(_1733310, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _1319522='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x560c892e10d0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x560c892e10d0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _1748260)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1750118)
   Exit: (221) [system] peek_char((0x560c892e10d0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x560c892e10d0), _1759712)
   Exit: (221) [system] get_char((0x560c892e10d0), ' ')
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1762416)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _1779350)
   Exit: (220) [system] peek_char((0x560c892e10d0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _1784920)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1786778)
   Exit: (222) [system] peek_char((0x560c892e10d0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _1802788)
   Exit: (221) [system] get_char((0x560c892e10d0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), a, _1784920)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _1820430)
   Call: (223) [system] peek_char((0x560c892e10d0), _1821364)
   Exit: (223) [system] peek_char((0x560c892e10d0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_1826084, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_1827016, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x560c892e10d0), b)
   Exit: (223) [system] get_char((0x560c892e10d0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _1834366)
   Call: (224) [system] peek_char((0x560c892e10d0), _1835300)
   Exit: (224) [system] peek_char((0x560c892e10d0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1840020, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1840952, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x560c892e10d0), c)
   Exit: (224) [system] get_char((0x560c892e10d0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _1848302)
   Call: (225) [system] peek_char((0x560c892e10d0), _1849236)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1848302=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (224) [system] _1834366=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (223) [system] _1820430=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq([a, b, c], _1784920)
^  Call: (223) [user] classify_and_convert_charseq_([a, b, c], _1864108)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1865060, _1865062), once(user:catch(read_from_chars([a, b, c], _1864108), _1865042, fail)), '$restore_trace'(_1865060, _1865062))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1865060, _1865062))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1865042, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (223) [system] integer(abc)
   Fail: (223) [system] integer(abc)
   Call: (223) [system] _1784920=abc
   Exit: (223) [system] abc=abc
^  Exit: (222) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _1877188)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1879046)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _1888640)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1891344)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _1908278)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _1913848)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1915706)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _1931716)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _1913848)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1937286)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1953296)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _1958866)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1960724)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _1976734)
   Exit: (224) [system] get_char((0x560c892e10d0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1958866)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _1994376)
   Call: (226) [system] peek_char((0x560c892e10d0), _1995310)
   Exit: (226) [system] peek_char((0x560c892e10d0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_2000030, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_2000962, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x560c892e10d0), o)
   Exit: (226) [system] get_char((0x560c892e10d0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _2008312)
   Call: (227) [system] peek_char((0x560c892e10d0), _2009246)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_2013966, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_2014898, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _2022248)
   Call: (228) [system] peek_char((0x560c892e10d0), _2023182)
   Exit: (228) [system] peek_char((0x560c892e10d0), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_2027902, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_2028834, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x560c892e10d0), j)
   Exit: (228) [system] get_char((0x560c892e10d0), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _2036184)
   Call: (229) [system] peek_char((0x560c892e10d0), _2037118)
   Exit: (229) [system] peek_char((0x560c892e10d0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_2041838, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_2042770, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x560c892e10d0), u)
   Exit: (229) [system] get_char((0x560c892e10d0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _2050120)
   Call: (230) [system] peek_char((0x560c892e10d0), _2051054)
   Exit: (230) [system] peek_char((0x560c892e10d0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_2055774, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_2056706, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x560c892e10d0), n)
   Exit: (230) [system] get_char((0x560c892e10d0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _2064056)
   Call: (231) [system] peek_char((0x560c892e10d0), _2064990)
   Exit: (231) [system] peek_char((0x560c892e10d0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_2069710, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_2070642, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x560c892e10d0), c)
   Exit: (231) [system] get_char((0x560c892e10d0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _2077992)
   Call: (232) [system] peek_char((0x560c892e10d0), _2078926)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_2083646, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_2084578, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _2091928)
   Call: (233) [system] peek_char((0x560c892e10d0), _2092862)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_7842, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_8774, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _16124)
   Call: (234) [system] peek_char((0x560c892e10d0), _17058)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_21778, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_22710, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _30060)
   Call: (235) [system] peek_char((0x560c892e10d0), _30994)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_35714, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_36646, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _43996)
   Call: (236) [system] peek_char((0x560c892e10d0), _44930)
   Exit: (236) [system] peek_char((0x560c892e10d0), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_49650, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_50582, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x560c892e10d0), 'I')
   Exit: (236) [system] get_char((0x560c892e10d0), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _57932)
   Call: (237) [system] peek_char((0x560c892e10d0), _58866)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_63586, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_64518, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _71868)
   Call: (238) [system] peek_char((0x560c892e10d0), _72802)
   Exit: (238) [system] peek_char((0x560c892e10d0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_77522, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_78454, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x560c892e10d0), t)
   Exit: (238) [system] get_char((0x560c892e10d0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _85804)
   Call: (239) [system] peek_char((0x560c892e10d0), _86738)
   Exit: (239) [system] peek_char((0x560c892e10d0), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_91458, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_92390, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x560c892e10d0), r)
   Exit: (239) [system] get_char((0x560c892e10d0), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _99740)
   Call: (240) [system] peek_char((0x560c892e10d0), _100674)
   Exit: (240) [system] peek_char((0x560c892e10d0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_105394, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_106326, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x560c892e10d0), o)
   Exit: (240) [system] get_char((0x560c892e10d0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), _113676)
   Call: (241) [system] peek_char((0x560c892e10d0), _114610)
   Exit: (241) [system] peek_char((0x560c892e10d0), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_119330, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_120262, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x560c892e10d0), d)
   Exit: (241) [system] get_char((0x560c892e10d0), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), _127612)
   Call: (242) [system] peek_char((0x560c892e10d0), _128546)
   Exit: (242) [system] peek_char((0x560c892e10d0), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_133266, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_134198, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x560c892e10d0), u)
   Exit: (242) [system] get_char((0x560c892e10d0), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), _141548)
   Call: (243) [system] peek_char((0x560c892e10d0), _142482)
   Exit: (243) [system] peek_char((0x560c892e10d0), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_147202, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_148134, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x560c892e10d0), c)
   Exit: (243) [system] get_char((0x560c892e10d0), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), _155484)
   Call: (244) [system] peek_char((0x560c892e10d0), _156418)
   Exit: (244) [system] peek_char((0x560c892e10d0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_161138, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_162070, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x560c892e10d0), t)
   Exit: (244) [system] get_char((0x560c892e10d0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), _169420)
   Call: (245) [system] peek_char((0x560c892e10d0), _170354)
   Exit: (245) [system] peek_char((0x560c892e10d0), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_175074, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_176006, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x560c892e10d0), i)
   Exit: (245) [system] get_char((0x560c892e10d0), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), _183356)
   Call: (246) [system] peek_char((0x560c892e10d0), _184290)
   Exit: (246) [system] peek_char((0x560c892e10d0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_189010, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_189942, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x560c892e10d0), o)
   Exit: (246) [system] get_char((0x560c892e10d0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), _197292)
   Call: (247) [system] peek_char((0x560c892e10d0), _198226)
   Exit: (247) [system] peek_char((0x560c892e10d0), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_202946, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_203878, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x560c892e10d0), n)
   Exit: (247) [system] get_char((0x560c892e10d0), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), _211228)
   Call: (248) [system] peek_char((0x560c892e10d0), _212162)
   Exit: (248) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _211228=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (247) [system] _197292=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (246) [system] _183356=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (245) [system] _169420=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (244) [system] _155484=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (243) [system] _141548=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n])
   Call: (242) [system] _127612=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, c, t, i, o, n])
   Call: (241) [system] _113676=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, u, c, t, i, o, n])
   Call: (240) [system] _99740=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _85804=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _71868=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _57932=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _43996=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _30060=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _16124=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _7048=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _7044=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _7040=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _7036=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _7032=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _7028=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _7024=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _7020=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _7016)
^  Call: (226) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _282914)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_283866, _283868), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _282914), _283848, fail)), '$restore_trace'(_283866, _283868))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_283866, _283868))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _282914), _283848, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_282914)
   Fail: (227) [system] atomic(_282914)
   Call: (227) [system] atom_chars(_282914, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (226) [system] integer('ConjunctionIntroduction')
   Fail: (226) [system] integer('ConjunctionIntroduction')
   Call: (226) [system] _7016='ConjunctionIntroduction'
   Exit: (226) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (225) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'ConjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'ConjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _297864)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _299722)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _309316)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _312020)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _328954)
   Exit: (224) [system] peek_char((0x560c892e10d0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _334524)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _336382)
   Exit: (226) [system] peek_char((0x560c892e10d0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _352392)
   Exit: (225) [system] get_char((0x560c892e10d0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), a, _334524)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _370034)
   Call: (227) [system] peek_char((0x560c892e10d0), _370968)
   Exit: (227) [system] peek_char((0x560c892e10d0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_375688, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_376620, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x560c892e10d0), b)
   Exit: (227) [system] get_char((0x560c892e10d0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _383970)
   Call: (228) [system] peek_char((0x560c892e10d0), _384904)
   Exit: (228) [system] peek_char((0x560c892e10d0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_389624, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_390556, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x560c892e10d0), c)
   Exit: (228) [system] get_char((0x560c892e10d0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _397906)
   Call: (229) [system] peek_char((0x560c892e10d0), _398840)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _397906=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (228) [system] _383970=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [c])
   Call: (227) [system] _370034=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq([a, b, c], _334524)
^  Call: (227) [user] classify_and_convert_charseq_([a, b, c], _413712)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_414664, _414666), once(user:catch(read_from_chars([a, b, c], _413712), _414646, fail)), '$restore_trace'(_414664, _414666))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_414664, _414666))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _414646, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (227) [system] integer(abc)
   Fail: (227) [system] integer(abc)
   Call: (227) [system] _334524=abc
   Exit: (227) [system] abc=abc
^  Exit: (226) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), abc)
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _426792)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _428650)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _438244)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _440948)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _457882)
   Exit: (225) [system] peek_char((0x560c892e10d0), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _463452)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _465310)
   Exit: (227) [system] peek_char((0x560c892e10d0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _481320)
   Exit: (226) [system] get_char((0x560c892e10d0), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), a, _463452)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _498962)
   Call: (228) [system] peek_char((0x560c892e10d0), _499896)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_504616, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _498962=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _463452)
^  Call: (228) [user] classify_and_convert_charseq_([a], _511052)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_512004, _512006), once(user:catch(read_from_chars([a], _511052), _511986, fail)), '$restore_trace'(_512004, _512006))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_512004, _512006))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _511986, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _463452=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), a)
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _524132)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _525990)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _542000)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _545790)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _524132=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _426792=[a]
   Exit: (225) [system] [a]=[a]
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), [a])
   Call: (224) [system] _297864=[abc, a]
   Exit: (224) [system] [abc, a]=[abc, a]
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [abc, a])
   Call: (223) [system] _7010=['ConjunctionIntroduction', abc, a]
   Exit: (223) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['ConjunctionIntroduction', abc, a])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _559672)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _561530)
   Exit: (223) [system] peek_char((0x560c892e10d0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _577540)
   Exit: (222) [system] peek_char((0x560c892e10d0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x560c892e10d0), _581330)
   Exit: (222) [system] get_char((0x560c892e10d0), ')')
   Call: (222) [system] _559672=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x560c892e10d0), [])
   Call: (221) [system] _7006=[['ConjunctionIntroduction', abc, a]]
   Exit: (221) [system] [['ConjunctionIntroduction', abc, a]]=[['ConjunctionIntroduction', abc, a]]
^  Exit: (220) [user] read_list(')', (0x560c892e10d0), [['ConjunctionIntroduction', abc, a]])
   Call: (220) [system] _7000=[abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (220) [system] [abc, ['ConjunctionIntroduction', abc, a]]=[abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (219) [user] read_list(')', (0x560c892e10d0), [abc, ['ConjunctionIntroduction', abc, a]])
   Call: (219) [system] _6992=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (219) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (218) [user] read_list(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Exit: (217) [user] cont_sexpr(')', (0x560c892e10d0), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Call: (217) [user] read_list(')', (0x560c892e10d0), _595212)
^  Call: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] peek_char((0x560c892e10d0), _597070)
   Exit: (219) [system] peek_char((0x560c892e10d0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x560c892e10d0), _606664)
   Exit: (219) [system] get_char((0x560c892e10d0), ' ')
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _609368)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
^  Exit: (218) [user] skip_spaces((0x560c892e10d0))
   Call: (218) [system] peek_char((0x560c892e10d0), _626302)
   Exit: (218) [system] peek_char((0x560c892e10d0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x560c892e10d0), _631872)
^  Call: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _633730)
   Exit: (220) [system] peek_char((0x560c892e10d0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x560c892e10d0))
   Call: (219) [system] get_char((0x560c892e10d0), _649740)
   Exit: (219) [system] get_char((0x560c892e10d0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x560c892e10d0), _631872)
^  Call: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _655310)
   Exit: (221) [system] peek_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x560c892e10d0))
   Call: (220) [system] peek_char((0x560c892e10d0), _671320)
   Exit: (220) [system] peek_char((0x560c892e10d0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x560c892e10d0), _676890)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _678748)
   Exit: (222) [system] peek_char((0x560c892e10d0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] get_char((0x560c892e10d0), _694758)
   Exit: (221) [system] get_char((0x560c892e10d0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', _676890)
^  Call: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), _712400)
   Call: (223) [system] peek_char((0x560c892e10d0), _713334)
   Exit: (223) [system] peek_char((0x560c892e10d0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_718054, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_718986, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x560c892e10d0), r)
   Exit: (223) [system] get_char((0x560c892e10d0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), _726336)
   Call: (224) [system] peek_char((0x560c892e10d0), _727270)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_731990, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_732922, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x560c892e10d0), 'L')
   Exit: (224) [system] get_char((0x560c892e10d0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), _740272)
   Call: (225) [system] peek_char((0x560c892e10d0), _741206)
   Exit: (225) [system] peek_char((0x560c892e10d0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_745926, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_746858, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x560c892e10d0), i)
   Exit: (225) [system] get_char((0x560c892e10d0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _754208)
   Call: (226) [system] peek_char((0x560c892e10d0), _755142)
   Exit: (226) [system] peek_char((0x560c892e10d0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_759862, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_760794, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x560c892e10d0), n)
   Exit: (226) [system] get_char((0x560c892e10d0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _768144)
   Call: (227) [system] peek_char((0x560c892e10d0), _769078)
   Exit: (227) [system] peek_char((0x560c892e10d0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_773798, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_774730, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x560c892e10d0), k)
   Exit: (227) [system] get_char((0x560c892e10d0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _782080)
   Call: (228) [system] peek_char((0x560c892e10d0), _783014)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _782080=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (227) [system] _768144=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (226) [system] _754208=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (225) [system] _740272=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (224) [system] _726336=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (223) [system] _712400=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x560c892e10d0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _676890)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _806268)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_807220, _807222), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _806268), _807202, fail)), '$restore_trace'(_807220, _807222))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_807220, _807222))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _806268), _807202, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_806268)
   Fail: (224) [system] atomic(_806268)
   Call: (224) [system] atom_chars(_806268, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _676890='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x560c892e10d0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x560c892e10d0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x560c892e10d0), _821218)
^  Call: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _823076)
   Exit: (222) [system] peek_char((0x560c892e10d0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x560c892e10d0), _832670)
   Exit: (222) [system] get_char((0x560c892e10d0), ' ')
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _835374)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
^  Exit: (221) [user] skip_spaces((0x560c892e10d0))
   Call: (221) [system] peek_char((0x560c892e10d0), _852308)
   Exit: (221) [system] peek_char((0x560c892e10d0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x560c892e10d0), _857878)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _859736)
   Exit: (223) [system] peek_char((0x560c892e10d0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] get_char((0x560c892e10d0), _875746)
   Exit: (222) [system] get_char((0x560c892e10d0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x560c892e10d0), _857878)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _881316)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _897326)
   Exit: (223) [system] peek_char((0x560c892e10d0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x560c892e10d0), _902896)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _904754)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] get_char((0x560c892e10d0), _920764)
   Exit: (224) [system] get_char((0x560c892e10d0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', _902896)
^  Call: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), _938406)
   Call: (226) [system] peek_char((0x560c892e10d0), _939340)
   Exit: (226) [system] peek_char((0x560c892e10d0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_944060, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_944992, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x560c892e10d0), m)
   Exit: (226) [system] get_char((0x560c892e10d0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _952342)
   Call: (227) [system] peek_char((0x560c892e10d0), _953276)
   Exit: (227) [system] peek_char((0x560c892e10d0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_957996, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_958928, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x560c892e10d0), p)
   Exit: (227) [system] get_char((0x560c892e10d0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _966278)
   Call: (228) [system] peek_char((0x560c892e10d0), _967212)
   Exit: (228) [system] peek_char((0x560c892e10d0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_971932, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_972864, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x560c892e10d0), l)
   Exit: (228) [system] get_char((0x560c892e10d0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _980214)
   Call: (229) [system] peek_char((0x560c892e10d0), _981148)
   Exit: (229) [system] peek_char((0x560c892e10d0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_985868, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_986800, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x560c892e10d0), i)
   Exit: (229) [system] get_char((0x560c892e10d0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _994150)
   Call: (230) [system] peek_char((0x560c892e10d0), _995084)
   Exit: (230) [system] peek_char((0x560c892e10d0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_999804, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1000736, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x560c892e10d0), c)
   Exit: (230) [system] get_char((0x560c892e10d0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1008086)
   Call: (231) [system] peek_char((0x560c892e10d0), _1009020)
   Exit: (231) [system] peek_char((0x560c892e10d0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1013740, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1014672, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x560c892e10d0), a)
   Exit: (231) [system] get_char((0x560c892e10d0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1022022)
   Call: (232) [system] peek_char((0x560c892e10d0), _1022956)
   Exit: (232) [system] peek_char((0x560c892e10d0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1027676, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1028608, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x560c892e10d0), t)
   Exit: (232) [system] get_char((0x560c892e10d0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1035958)
   Call: (233) [system] peek_char((0x560c892e10d0), _1036892)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1041612, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1042544, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1049894)
   Call: (234) [system] peek_char((0x560c892e10d0), _1050828)
   Exit: (234) [system] peek_char((0x560c892e10d0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1055548, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1056480, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x560c892e10d0), o)
   Exit: (234) [system] get_char((0x560c892e10d0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1063830)
   Call: (235) [system] peek_char((0x560c892e10d0), _1064764)
   Exit: (235) [system] peek_char((0x560c892e10d0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1069484, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1070416, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x560c892e10d0), n)
   Exit: (235) [system] get_char((0x560c892e10d0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _1077766)
   Call: (236) [system] peek_char((0x560c892e10d0), _1078700)
   Exit: (236) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1077766=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (235) [system] _1063830=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (234) [system] _1049894=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (233) [system] _1035958=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (232) [system] _1022022=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (231) [system] _1008086=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (230) [system] _994150=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (229) [system] _980214=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (228) [system] _966278=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _952342=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _938406=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _902896)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1115924)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1116876, _1116878), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1115924), _1116858, fail)), '$restore_trace'(_1116876, _1116878))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1116876, _1116878))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1115924), _1116858, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1115924)
   Fail: (227) [system] atomic(_1115924)
   Call: (227) [system] atom_chars(_1115924, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _902896='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1130874)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1132732)
   Exit: (225) [system] peek_char((0x560c892e10d0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x560c892e10d0), _1142326)
   Exit: (225) [system] get_char((0x560c892e10d0), ' ')
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1145030)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1161964)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1167534)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1169392)
   Exit: (226) [system] peek_char((0x560c892e10d0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1185402)
   Exit: (225) [system] get_char((0x560c892e10d0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1167534)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1190972)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1206982)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x560c892e10d0), _1212552)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1214410)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] get_char((0x560c892e10d0), _1230420)
   Exit: (227) [system] get_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1212552)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1248062)
   Call: (229) [system] peek_char((0x560c892e10d0), _1248996)
   Exit: (229) [system] peek_char((0x560c892e10d0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1253716, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1254648, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x560c892e10d0), n)
   Exit: (229) [system] get_char((0x560c892e10d0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1261998)
   Call: (230) [system] peek_char((0x560c892e10d0), _1262932)
   Exit: (230) [system] peek_char((0x560c892e10d0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1267652, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1268584, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x560c892e10d0), d)
   Exit: (230) [system] get_char((0x560c892e10d0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1275934)
   Call: (231) [system] peek_char((0x560c892e10d0), _1276868)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1281588, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1282520, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x560c892e10d0), 'L')
   Exit: (231) [system] get_char((0x560c892e10d0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1289870)
   Call: (232) [system] peek_char((0x560c892e10d0), _1290804)
   Exit: (232) [system] peek_char((0x560c892e10d0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1295524, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1296456, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x560c892e10d0), i)
   Exit: (232) [system] get_char((0x560c892e10d0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1303806)
   Call: (233) [system] peek_char((0x560c892e10d0), _1304740)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1309460, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1310392, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _1317742)
   Call: (234) [system] peek_char((0x560c892e10d0), _1318676)
   Exit: (234) [system] peek_char((0x560c892e10d0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1323396, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1324328, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x560c892e10d0), k)
   Exit: (234) [system] get_char((0x560c892e10d0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _1331678)
   Call: (235) [system] peek_char((0x560c892e10d0), _1332612)
   Exit: (235) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1331678=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (234) [system] _1317742=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (233) [system] _1303806=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (232) [system] _1289870=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (231) [system] _1275934=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (230) [system] _1261998=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (229) [system] _1248062=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1212552)
^  Call: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1358660)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1359612, _1359614), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1358660), _1359594, fail)), '$restore_trace'(_1359612, _1359614))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1359612, _1359614))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1358660), _1359594, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1358660)
   Fail: (230) [system] atomic(_1358660)
   Call: (230) [system] atom_chars(_1358660, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (229) [system] integer('AndLink')
   Fail: (229) [system] integer('AndLink')
   Call: (229) [system] _1212552='AndLink'
   Exit: (229) [system] 'AndLink'='AndLink'
^  Exit: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _1373610)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1375468)
   Exit: (228) [system] peek_char((0x560c892e10d0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x560c892e10d0), _1385062)
   Exit: (228) [system] get_char((0x560c892e10d0), ' ')
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1387766)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1404700)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _1410270)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1412128)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _1428138)
   Exit: (228) [system] get_char((0x560c892e10d0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1410270)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1445780)
   Call: (230) [system] peek_char((0x560c892e10d0), _1446714)
   Exit: (230) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1445780=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1410270)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1455998)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1456950, _1456952), once(user:catch(read_from_chars(['A'], _1455998), _1456932, fail)), '$restore_trace'(_1456950, _1456952))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1456950, _1456952))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1455998), _1456932, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1455998)
   Fail: (231) [system] atomic(_1455998)
   Call: (231) [system] atom_chars(_1455998, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1410270='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'A')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _1470948)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1472806)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _1482400)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1485104)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _1502038)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _1507608)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1509466)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _1525476)
   Exit: (229) [system] get_char((0x560c892e10d0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', _1507608)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1543118)
   Call: (231) [system] peek_char((0x560c892e10d0), _1544052)
   Exit: (231) [system] peek_char((0x560c892e10d0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1548772, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1543118=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _1507608)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _1555208)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1556160, _1556162), once(user:catch(read_from_chars(['B'], _1555208), _1556142, fail)), '$restore_trace'(_1556160, _1556162))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1556160, _1556162))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1555208), _1556142, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1555208)
   Fail: (232) [system] atomic(_1555208)
   Call: (232) [system] atom_chars(_1555208, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _1507608='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x560c892e10d0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x560c892e10d0), 'B')
^  Call: (228) [user] read_list(')', (0x560c892e10d0), _1570158)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _1572016)
   Exit: (230) [system] peek_char((0x560c892e10d0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _1588026)
   Exit: (229) [system] peek_char((0x560c892e10d0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x560c892e10d0), _1591816)
   Exit: (229) [system] get_char((0x560c892e10d0), ')')
   Call: (229) [system] _1570158=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x560c892e10d0), [])
   Call: (228) [system] _1470948=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x560c892e10d0), ['B'])
   Call: (227) [system] _1373610=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x560c892e10d0), ['A', 'B'])
   Call: (226) [system] _1167534=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1605698)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1607556)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1617150)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1619854)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1636788)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _1642358)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1644216)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _1660226)
   Exit: (226) [system] get_char((0x560c892e10d0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', _1642358)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1677868)
   Call: (228) [system] peek_char((0x560c892e10d0), _1678802)
   Exit: (228) [system] peek_char((0x560c892e10d0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1683522, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1677868=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _1642358)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _1689958)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1690910, _1690912), once(user:catch(read_from_chars(['C'], _1689958), _1690892, fail)), '$restore_trace'(_1690910, _1690912))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1690910, _1690912))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1689958), _1690892, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1689958)
   Fail: (229) [system] atomic(_1689958)
   Call: (229) [system] atom_chars(_1689958, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _1642358='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x560c892e10d0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x560c892e10d0), 'C')
^  Call: (225) [user] read_list(')', (0x560c892e10d0), _1704908)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1706766)
   Exit: (227) [system] peek_char((0x560c892e10d0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1722776)
   Exit: (226) [system] peek_char((0x560c892e10d0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x560c892e10d0), _1726566)
   Exit: (226) [system] get_char((0x560c892e10d0), ')')
   Call: (226) [system] _1704908=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x560c892e10d0), [])
   Call: (225) [system] _1605698=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x560c892e10d0), ['C'])
   Call: (224) [system] _1130874=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x560c892e10d0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _857878=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x560c892e10d0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x560c892e10d0), _1740448)
^  Call: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] peek_char((0x560c892e10d0), _1742306)
   Exit: (223) [system] peek_char((0x560c892e10d0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x560c892e10d0), _1751900)
   Exit: (223) [system] get_char((0x560c892e10d0), ' ')
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1754604)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
^  Exit: (222) [user] skip_spaces((0x560c892e10d0))
   Call: (222) [system] peek_char((0x560c892e10d0), _1771538)
   Exit: (222) [system] peek_char((0x560c892e10d0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x560c892e10d0), _1777108)
^  Call: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1778966)
   Exit: (224) [system] peek_char((0x560c892e10d0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x560c892e10d0))
   Call: (223) [system] get_char((0x560c892e10d0), _1794976)
   Exit: (223) [system] get_char((0x560c892e10d0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x560c892e10d0), _1777108)
^  Call: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _1800546)
   Exit: (225) [system] peek_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x560c892e10d0))
   Call: (224) [system] peek_char((0x560c892e10d0), _1816556)
   Exit: (224) [system] peek_char((0x560c892e10d0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x560c892e10d0), _1822126)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1823984)
   Exit: (226) [system] peek_char((0x560c892e10d0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] get_char((0x560c892e10d0), _1839994)
   Exit: (225) [system] get_char((0x560c892e10d0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', _1822126)
^  Call: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), _1857636)
   Call: (227) [system] peek_char((0x560c892e10d0), _1858570)
   Exit: (227) [system] peek_char((0x560c892e10d0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1863290, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1864222, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x560c892e10d0), n)
   Exit: (227) [system] get_char((0x560c892e10d0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), _1871572)
   Call: (228) [system] peek_char((0x560c892e10d0), _1872506)
   Exit: (228) [system] peek_char((0x560c892e10d0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1877226, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1878158, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x560c892e10d0), d)
   Exit: (228) [system] get_char((0x560c892e10d0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), _1885508)
   Call: (229) [system] peek_char((0x560c892e10d0), _1886442)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1891162, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1892094, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x560c892e10d0), 'L')
   Exit: (229) [system] get_char((0x560c892e10d0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _1899444)
   Call: (230) [system] peek_char((0x560c892e10d0), _1900378)
   Exit: (230) [system] peek_char((0x560c892e10d0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1905098, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1906030, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x560c892e10d0), i)
   Exit: (230) [system] get_char((0x560c892e10d0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _1913380)
   Call: (231) [system] peek_char((0x560c892e10d0), _1914314)
   Exit: (231) [system] peek_char((0x560c892e10d0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1919034, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1919966, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x560c892e10d0), n)
   Exit: (231) [system] get_char((0x560c892e10d0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _1927316)
   Call: (232) [system] peek_char((0x560c892e10d0), _1928250)
   Exit: (232) [system] peek_char((0x560c892e10d0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1932970, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1933902, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x560c892e10d0), k)
   Exit: (232) [system] get_char((0x560c892e10d0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _1941252)
   Call: (233) [system] peek_char((0x560c892e10d0), _1942186)
   Exit: (233) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1941252=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (232) [system] _1927316=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (231) [system] _1913380=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (230) [system] _1899444=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (229) [system] _1885508=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (228) [system] _1871572=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (227) [system] _1857636=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1822126)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1968234)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1969186, _1969188), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1968234), _1969168, fail)), '$restore_trace'(_1969186, _1969188))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1969186, _1969188))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1968234), _1969168, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1968234)
   Fail: (228) [system] atomic(_1968234)
   Call: (228) [system] atom_chars(_1968234, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _1822126='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x560c892e10d0), _1983184)
^  Call: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] peek_char((0x560c892e10d0), _1985042)
   Exit: (226) [system] peek_char((0x560c892e10d0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x560c892e10d0), _1994636)
   Exit: (226) [system] get_char((0x560c892e10d0), ' ')
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _1997340)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
^  Exit: (225) [user] skip_spaces((0x560c892e10d0))
   Call: (225) [system] peek_char((0x560c892e10d0), _2014274)
   Exit: (225) [system] peek_char((0x560c892e10d0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x560c892e10d0), _2019844)
^  Call: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2021702)
   Exit: (227) [system] peek_char((0x560c892e10d0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x560c892e10d0))
   Call: (226) [system] get_char((0x560c892e10d0), _2037712)
   Exit: (226) [system] get_char((0x560c892e10d0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x560c892e10d0), _2019844)
^  Call: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _2043282)
   Exit: (228) [system] peek_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x560c892e10d0))
   Call: (227) [system] peek_char((0x560c892e10d0), _2059292)
   Exit: (227) [system] peek_char((0x560c892e10d0), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x560c892e10d0), _2064862)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _2066720)
   Exit: (229) [system] peek_char((0x560c892e10d0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] get_char((0x560c892e10d0), _2082730)
   Exit: (228) [system] get_char((0x560c892e10d0), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', _7106)
^  Call: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), _10650)
   Call: (230) [system] peek_char((0x560c892e10d0), _11584)
   Exit: (230) [system] peek_char((0x560c892e10d0), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_16304, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_17236, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x560c892e10d0), m)
   Exit: (230) [system] get_char((0x560c892e10d0), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), _24586)
   Call: (231) [system] peek_char((0x560c892e10d0), _25520)
   Exit: (231) [system] peek_char((0x560c892e10d0), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_30240, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_31172, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x560c892e10d0), p)
   Exit: (231) [system] get_char((0x560c892e10d0), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), _38522)
   Call: (232) [system] peek_char((0x560c892e10d0), _39456)
   Exit: (232) [system] peek_char((0x560c892e10d0), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_44176, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_45108, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x560c892e10d0), l)
   Exit: (232) [system] get_char((0x560c892e10d0), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _52458)
   Call: (233) [system] peek_char((0x560c892e10d0), _53392)
   Exit: (233) [system] peek_char((0x560c892e10d0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_58112, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_59044, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x560c892e10d0), i)
   Exit: (233) [system] get_char((0x560c892e10d0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _66394)
   Call: (234) [system] peek_char((0x560c892e10d0), _67328)
   Exit: (234) [system] peek_char((0x560c892e10d0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_72048, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_72980, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x560c892e10d0), c)
   Exit: (234) [system] get_char((0x560c892e10d0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _80330)
   Call: (235) [system] peek_char((0x560c892e10d0), _81264)
   Exit: (235) [system] peek_char((0x560c892e10d0), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_85984, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_86916, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x560c892e10d0), a)
   Exit: (235) [system] get_char((0x560c892e10d0), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _94266)
   Call: (236) [system] peek_char((0x560c892e10d0), _95200)
   Exit: (236) [system] peek_char((0x560c892e10d0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_99920, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_100852, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x560c892e10d0), t)
   Exit: (236) [system] get_char((0x560c892e10d0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _108202)
   Call: (237) [system] peek_char((0x560c892e10d0), _109136)
   Exit: (237) [system] peek_char((0x560c892e10d0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_113856, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_114788, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x560c892e10d0), i)
   Exit: (237) [system] get_char((0x560c892e10d0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _122138)
   Call: (238) [system] peek_char((0x560c892e10d0), _123072)
   Exit: (238) [system] peek_char((0x560c892e10d0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_127792, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_128724, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x560c892e10d0), o)
   Exit: (238) [system] get_char((0x560c892e10d0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _136074)
   Call: (239) [system] peek_char((0x560c892e10d0), _137008)
   Exit: (239) [system] peek_char((0x560c892e10d0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_141728, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_142660, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x560c892e10d0), n)
   Exit: (239) [system] get_char((0x560c892e10d0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), _150010)
   Call: (240) [system] peek_char((0x560c892e10d0), _150944)
   Exit: (240) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _150010=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (239) [system] _136074=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [n])
   Call: (238) [system] _122138=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [o, n])
   Call: (237) [system] _108202=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, o, n])
   Call: (236) [system] _94266=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [t, i, o, n])
   Call: (235) [system] _80330=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), [a, t, i, o, n])
   Call: (234) [system] _66394=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [c, a, t, i, o, n])
   Call: (233) [system] _52458=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, c, a, t, i, o, n])
   Call: (232) [system] _38522=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x560c892e10d0), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _24586=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x560c892e10d0), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _10650=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x560c892e10d0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _7106)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _188168)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_189120, _189122), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _188168), _189102, fail)), '$restore_trace'(_189120, _189122))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_189120, _189122))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _188168), _189102, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_188168)
   Fail: (231) [system] atomic(_188168)
   Call: (231) [system] atom_chars(_188168, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _7106='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x560c892e10d0), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x560c892e10d0), 'Implication')
^  Call: (227) [user] read_list(')', (0x560c892e10d0), _203118)
^  Call: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] peek_char((0x560c892e10d0), _204976)
   Exit: (229) [system] peek_char((0x560c892e10d0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x560c892e10d0), _214570)
   Exit: (229) [system] get_char((0x560c892e10d0), ' ')
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _217274)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
^  Exit: (228) [user] skip_spaces((0x560c892e10d0))
   Call: (228) [system] peek_char((0x560c892e10d0), _234208)
   Exit: (228) [system] peek_char((0x560c892e10d0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x560c892e10d0), _239778)
^  Call: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _241636)
   Exit: (230) [system] peek_char((0x560c892e10d0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x560c892e10d0))
   Call: (229) [system] get_char((0x560c892e10d0), _257646)
   Exit: (229) [system] get_char((0x560c892e10d0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x560c892e10d0), _239778)
^  Call: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] peek_char((0x560c892e10d0), _263216)
   Exit: (231) [system] peek_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x560c892e10d0))
   Call: (230) [system] peek_char((0x560c892e10d0), _279226)
   Exit: (230) [system] peek_char((0x560c892e10d0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x560c892e10d0), _284796)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _286654)
   Exit: (232) [system] peek_char((0x560c892e10d0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (231) [system] get_char((0x560c892e10d0), _302664)
   Exit: (231) [system] get_char((0x560c892e10d0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', _284796)
^  Call: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), _320306)
   Call: (233) [system] peek_char((0x560c892e10d0), _321240)
   Exit: (233) [system] peek_char((0x560c892e10d0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_325960, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_326892, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x560c892e10d0), n)
   Exit: (233) [system] get_char((0x560c892e10d0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), _334242)
   Call: (234) [system] peek_char((0x560c892e10d0), _335176)
   Exit: (234) [system] peek_char((0x560c892e10d0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_339896, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_340828, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x560c892e10d0), d)
   Exit: (234) [system] get_char((0x560c892e10d0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), _348178)
   Call: (235) [system] peek_char((0x560c892e10d0), _349112)
   Exit: (235) [system] peek_char((0x560c892e10d0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_353832, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_354764, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x560c892e10d0), 'L')
   Exit: (235) [system] get_char((0x560c892e10d0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), _362114)
   Call: (236) [system] peek_char((0x560c892e10d0), _363048)
   Exit: (236) [system] peek_char((0x560c892e10d0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_367768, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_368700, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x560c892e10d0), i)
   Exit: (236) [system] get_char((0x560c892e10d0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), _376050)
   Call: (237) [system] peek_char((0x560c892e10d0), _376984)
   Exit: (237) [system] peek_char((0x560c892e10d0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_381704, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_382636, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x560c892e10d0), n)
   Exit: (237) [system] get_char((0x560c892e10d0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), _389986)
   Call: (238) [system] peek_char((0x560c892e10d0), _390920)
   Exit: (238) [system] peek_char((0x560c892e10d0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_395640, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_396572, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x560c892e10d0), k)
   Exit: (238) [system] get_char((0x560c892e10d0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), _403922)
   Call: (239) [system] peek_char((0x560c892e10d0), _404856)
   Exit: (239) [system] peek_char((0x560c892e10d0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _403922=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x560c892e10d0), [])
   Call: (238) [system] _389986=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x560c892e10d0), [k])
   Call: (237) [system] _376050=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, k])
   Call: (236) [system] _362114=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x560c892e10d0), [i, n, k])
   Call: (235) [system] _348178=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x560c892e10d0), ['L', i, n, k])
   Call: (234) [system] _334242=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x560c892e10d0), [d, 'L', i, n, k])
   Call: (233) [system] _320306=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x560c892e10d0), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _284796)
^  Call: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _430904)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_431856, _431858), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _430904), _431838, fail)), '$restore_trace'(_431856, _431858))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_431856, _431858))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _430904), _431838, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_430904)
   Fail: (234) [system] atomic(_430904)
   Call: (234) [system] atom_chars(_430904, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (233) [system] integer('AndLink')
   Fail: (233) [system] integer('AndLink')
   Call: (233) [system] _284796='AndLink'
   Exit: (233) [system] 'AndLink'='AndLink'
^  Exit: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x560c892e10d0), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x560c892e10d0), 'AndLink')
^  Call: (230) [user] read_list(')', (0x560c892e10d0), _445854)
^  Call: (231) [user] skip_spaces((0x560c892e10d0))
   Call: (232) [system] peek_char((0x560c892e10d0), _447712)
   Exit: (232) [system] peek_char((0x560c892e10d0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x560c892e10d0), _457306)
   Exit: (232) [system] get_char((0x560c892e10d0), ' ')
^  Call: (232) [user] skip_spaces((0x560c892e10d0))
   Call: (233) [system] peek_char((0x560c892e10d0), _460010)
   Exit: (233) [system] peek_char((0x560c892e10d0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)

Script done on 2024-10-22 23:22:30+00:00 [COMMAND_EXIT_CODE="143"]

\033[1;33mCompleted (EXITCODE=143) Under 40 seconds: ./mettalog '--output=./reports/tests_output/baseline-compat/' --timeout=40 --html --repl=false --test "tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta" --halt=true\033[0m